Alphabet Inc. — 6.25% Series B Mandatory Convertible Preferred (NASDAQ: GOOGN) — The Cheaper Twin: Same Coupon, Better Terms, Lower Price

Prepared by: Independent Equity Research Report date: 2026-06-11 Instrument: GOOGN = Series B Depositary Shares, each representing 1/20th of a share of Alphabet’s 6.25% Series B Mandatory Convertible Preferred Stock ($50 liquidation preference per depositary share). Companion tranche: GOOGM (Series A). Underlying common: Class A (GOOGL) / Class C (GOOG). Issuer: Alphabet Inc. · CIK: 0001652044 · Sector: Communication Services — Interactive Media & Services GOOGN price (2026-06-10): ~$49.85 (52-wk $49.79–$55.97; 90-day avg vol ~19.0M) · GOOGM price: ~$50.02 · Underlying GOOGL (2026-06-10): ~$356.38 · Issuer market cap: ~$4.35T Mandatory conversion: expected May 15, 2029 · Conversion band: initial price ~$351.87 / threshold ~$439.75

Standing disclaimer: section 1–section 15 of this memo carry no investment recommendation and no price target. Valuation is discussed only as embedded expectations, instrument mechanics, and scenarios. The single, deliberate exception is the Claude's Take block immediately below, which is fenced off as the author’s own subjective opinion. This article analyzes a security (a mandatory convertible preferred), not an operating company; the issuer analysis is built on and draws on a prior Alphabet common analysis (2026-06-09) and a same-day Series A (GOOGM) companion analysis (2026-06-11).

⚡ Claude’s Take

This is Claude’s own subjective opinion, and general information, not investment advice. The institutional body (section 1–section 15) below carries no position or price target.

Verdict: If you are buying an Alphabet mandatory convertible here, buy GOOGN, not GOOGM — accumulate near ~$49.85 (with GOOGL near/below its ~$352 initial price). GOOGN is the strictly-dominant twin: at today’s prices it costs ~$0.17 less than the Series A (GOOGM, ~$50.02) while carrying marginally better holder terms (a lower ~$351.87 initial price, a lower ~$439.75 cap, and ~0.9% more conversion shares). Same 6.25% coupon, same May-2029 conversion, same issuer credit — for a lower price you get a hair more of everything. As against owning GOOGL common, the same relative-value logic as the Series A applies: GOOGN is upside-capped, yield-enhanced Alphabet equity with no principal floor, and it beats the common in every scenario where GOOGL ends below ~$415 in 2029 (~5.6%/yr) while paying you 6.25% to wait.

Tag: “The cheaper twin — pick up the freebie.”

This is two calls stacked. The first is trivial and high-conviction: between two near-identical Alphabet preferreds, GOOGN currently offers slightly better terms at a slightly lower price, so a buyer of “the Alphabet convert” should mechanically prefer GOOGN over GOOGM until the ~$0.17 spread closes or inverts. The edge is small (~1.2–1.3% of all-in value) but it is free, and it is the cleanest relative-value observation in the whole Alphabet capital structure. The second call is the same one the Series A memo made and is medium-conviction: a mandatory convertible is not a safer way to own Alphabet. Below the ~$352 initial price GOOGN delivers the same 0.14210 shares per depositary that $50 of common would have bought — identical dollar downside, cushioned only by ~$9.4 of cumulative dividends. Between ~$352 and ~$440 you get a fixed ~$50 of stock and participate in none of that ~25% move. Above ~$440 you keep ~80% of the upside. You sell that ~25%-wide call spread and are paid a 6.25% coupon (~27x the common’s ~0.23% yield) for it.

I land on prefer-the-convert (and specifically GOOGN) rather than buy-the-common because the coupon monetizes the exact thing the equity bulls must underwrite: flat ~$73B free cash flow for three years, capex doubling to ~$180B+, a pivot to ~$85B of external financing, and a normalized ~37.5x P/E that already prices the AI payoff. A disciplined base-case/SOTP fundamental value for the common (~$310–315) sits below today’s ~$356 — squarely in the zone where the convert dominates. Conviction: high on GOOGN-over-GOOGM (it is a dominance relationship); medium on convert-over-common. What flips me toward the common: conviction the AI-capex bet inflects FCF and re-rates GOOGL through ~$440 before 2029 (then the cap costs you). What flips me against GOOGN outright: not credit risk (the coupon is money-good against $127B cash and $160B+ OCF) but a hard, sustained GOOGL drop below ~$300, where you still lose real money — just ~17 points less than the common. And the only thing that would flip me from GOOGN back to GOOGM is the spread: if GOOGM ever trades enough below GOOGN to offset Series B’s better terms, take whichever is cheaper all-in.

1. Executive Summary

GOOGN is not a company; it is a hybrid security. It is the Nasdaq ticker for Series B Depositary Shares, each representing 1/20th of a share of Alphabet Inc.'s 6.25% Series B Mandatory Convertible Preferred Stock, sold at $50 per depositary share in early June 2026 as one leg of the largest external financing program in Alphabet’s history. A companion Series A tranche trades as GOOGM on near-identical terms. Combined, the two preferred series raised roughly $16.75B at base size (~$19B with over-allotments) — a small slice of a broader ~$85B program that also includes up to $40B of at-the-market Class A/C common, a $10B Berkshire Hathaway common private placement, and multi-tranche senior notes (including a 6.125% 100-year bond due 2126), all raised to fund Alphabet’s ~$180B+ 2026 AI-infrastructure capex.

What the instrument is, precisely. A mandatory convertible preferred must convert into common stock at maturity — it is equity in waiting, not a bond. On the expected mandatory conversion date of May 15, 2029, each GOOGN depositary share converts into between 0.11370 and 0.14210 shares of GOOGL Class A common (the underlying preferred converts into 2.2740–2.8420 shares; depositary holders get 1/20th). The conversion math defines an initial price of ~$351.87 ($1,000 ÷ 2.8420) and a threshold appreciation price of ~$439.75 ($1,000 ÷ 2.2740, ≈25% above initial). The instrument pays a 6.25% cumulative dividend on the $50 stated amount ($3.125/yr per depositary share, ~$0.781 quarterly, payable Feb/May/Aug/Nov 15, first payment Aug 15, 2026), ranks senior to common but junior to all debt, and offers no principal protection.

The Series B distinction (the GOOGN-specific point). GOOGN’s terms are marginally more holder-friendly than GOOGM’s and it currently trades cheaper. Series B converts at 0.11370–0.14210 shares per depositary vs Series A’s 0.11260–0.14080 — about 0.9% more shares in both the down and up regimes. Its initial price (~$351.87) and cap (~$439.75) are each ~$4–5 below Series A’s (~$355.11 / ~$444.05), meaning GOOGN starts participating in upside at a slightly lower GOOGL price. Same 6.25% coupon, same conversion date, same issuer. And at ~$49.85 vs GOOGM’s ~$50.02, GOOGN is also ~0.34% cheaper in dollar terms. The combined effect: GOOGN weakly dominates GOOGM in every conversion outcome at equal price, and currently does so at a lower price — a small (~1.2–1.3% of all-in value) but genuinely free relative-value edge.

The payoff, in one paragraph. Below the $351.87 initial price, a GOOGN holder converts at the maximum rate (0.14210 shares) and bears the full dollar decline of the common — identical share exposure to having simply bought common, cushioned only by the accumulated ~$9.4 of dividends. Between $351.87 and $439.75, the conversion rate floats to deliver a fixed $50 of stock — the holder participates in none of that ~25% appreciation. Above $439.75, the holder converts at the minimum rate (0.11370 shares) and captures the upside, but at ~80% of the common’s participation (0.11370 ÷ 0.14210). In exchange for surrendering that ~25%-wide appreciation band and ~20% of the upside above it, the holder collects a 6.25% coupon — roughly 27x the common’s ~0.23% dividend yield.

The investment question. GOOGN is a bet on modest Alphabet performance. Versus buying GOOGL common at the same time, GOOGN outperforms whenever the common ends below ~$415 in May 2029 (≈ +18% total, ~5.6%/yr) and underperforms above it. The instrument therefore suits an investor who is constructive on Alphabet the franchise but skeptical of the common’s full-to-demanding valuation — the coupon pays you to wait through the very capex-digestion period the equity bulls must underwrite. It is not a way to reduce risk: the downside below $352 is the common’s downside.

The issuer backdrop (consistent with a prior fundamental read). Alphabet is one of the highest-quality businesses in public markets — FY2025 revenue $402.8B (+15.1%), accelerating to +21.8% in Q1-2026, ~32% consolidated operating margin, ~31% ROIC, multiple durable moats (Search, YouTube, an inflecting Cloud) — but priced demandingly once you normalize ~$25–37B of non-cash equity-securities marks out of reported earnings (normalized TTM P/E ~37.5x, FCF yield ~1.5%). The franchise easily covers the preferred’s ~$1.0B/yr combined coupon (a rounding error against $160B+ operating cash flow); the instrument’s risk is almost entirely equity-directional, not credit. The body below runs the full framework on the issuer and then values the instrument; it takes no position.

2. Business Overview

GOOGN’s value derives entirely from Alphabet Inc., so the issuer overview is the instrument overview. (This section condenses a prior Alphabet analysis and a same-day Series A companion analysis; figures are from the FY2025 10-K filed 2026-02-05 and the Q1-2026 10-Q filed 2026-04-30.)

What Alphabet does. Alphabet is the holding company for Google and a set of non-core ventures (“Other Bets”). It reports three segments — Google Services, Google Cloud, and Other Bets — with the overwhelming majority of profit from Google Services, and within it, advertising.

FY2025 revenue disaggregation:

How it makes money. ~73% of revenue is advertising — Search (high-intent direct response, the profit engine), YouTube, and the declining third-party Google Network. The remaining ~27% is increasingly recurring/contracted: Google Cloud (consumption + committed spend) and subscriptions/platforms/devices (YouTube Premium/TV/Music, Google One, Play, Pixel) — the fastest-growing Services line at +19.1%. No customer was >10% of revenue in 2023–2025; demand-side concentration is very low. Geography (FY2025): US 48%, EMEA 29%, APAC 17%, Other Americas 6%.

Forward demand signal. Google Cloud’s contracted backlog (remaining performance obligations) was $242.8B at 12/31/2025 and, per management on the Q1-2026 call, “nearly doubled” to over $460B — the central pillar of the bull case for the capex (and, indirectly, for the equity into which GOOGN converts).

Why this matters for the instrument. GOOGN holders take on Alphabet’s equity risk three years forward. The relevant business facts for a convert holder are: (a) the franchise generates enough cash to make the coupon a non-event (coupon coverage, section 6); (b) the equity’s trajectory over the next three years — not its current snapshot — determines whether the convert beats the common; and © the company is in a heavy-investment phase whose payoff is unproven, which is exactly the uncertainty the convert’s coupon-plus-cap structure is designed to monetize.

Verdict: A diversified, scale-dominant franchise still anchored by cyclical advertising but visibly shifting toward less-cyclical Cloud and subscriptions. For a 2029-dated equity-linked instrument, the salient point is that the underlying is a high-quality but heavy-capex, fully-priced compounder — the ideal profile for a yield-plus-cap structure to outperform the common in all but the strong-bull outcome.

3. Industry Dynamics

Alphabet competes across five industries plus a cross-cutting regulatory environment and a defining capital cycle. (Condensed from the 2026-06-09 memo.)

3.1 Digital advertising (~73% of revenue). Global ad spend surpasses $1 trillion in 2026. The digital market is a triopoly — Google + Meta + Amazon = 62.3% of worldwide digital ad spend (eMarketer). The defining 2026 development: eMarketer projects Meta surpasses Google in global net ad revenue for the first time (Meta ~$243.5B, +24.1% vs Google ~$239.5B, +11.9%). Amazon retail media is the fast-rising third pillar (~9% global share). Structure: an oligopoly with concentrated, high-margin profit pools and very high entry barriers, but intensifying competition and new entry vectors (AI discovery, retail media, CTV). Verdict: structurally good but maturing and fragmenting — Google is ceding relative share.

3.2 Cloud infrastructure (~15% of revenue). Q1-2026 global cloud-infra spend grew +35% YoY to ~$129B/quarter. Shares (Synergy): AWS ~30% (+19%), Azure ~25% (+40%), Google Cloud ~13% (+63% — fastest-growing hyperscaler). A classic economies-of-scale oligopoly with high switching costs (data gravity, committed contracts) and GCP differentiation via custom TPUs/Axion and the Gemini/Vertex stack. Verdict: structurally good and the best of Alphabet’s industries on trajectory — the risk is the capex-to-revenue ratio, not the structure.

3.3 Generative AI / Search disruption. For ~20 years Search was an uncontested near-monopoly (~90%+). 2026 is the first year that is untrue. ChatGPT has ~900M weekly active users, ~17% of total digital queries; Google’s all-device search share dipped below 90% for the first sustained stretch in a decade, with desktop at ~79% (a 20-year low) where AI assistants bite hardest. Google’s counter — AI Overviews monetizing at parity, AI Mode >1B MAU, Search revenue +19% in Q1-2026 — means it is currently defending revenue. Verdict: a newly contested industry; the moat holds on revenue today, but competitive intensity has stepped up permanently. The #1 thesis swing factor — and the single biggest determinant of where GOOGL sits at conversion.

3.4 Autonomous vehicles / Waymo (Other Bets). ~500,000 paid robotaxi rides/week, the clear US leader, but pre-profit (Other Bets operating loss $7.5B FY2025) and regulatorily fragile. Verdict: embedded optionality, not a profit pool — irrelevant to the convert’s 2029 horizon except as tail upside.

3.5 Regulatory landscape. Multi-front antitrust: the US DOJ search case (Dec-2025 final judgment bars exclusive defaults, orders data-sharing, but denied a Chrome/Android divestiture; both sides appealed, ruling expected late 2026/2027); the separate DOJ ad-tech case (EDVA liability April 2025; AdX-divestiture remedy pending, possibly 2027–2028); EU DMA fines; UK CMA AI-search order; India CCI. Verdict: a persistent, manageable-but-adverse tax and a slow flywheel-erosion (data-sharing) risk — not a near-term breakup of the core. A structural overhang on the equity into which GOOGN converts.

3.6 The capital cycle (Marathon lens). The Big-4 hyperscalers plus Oracle guide to ~$635–725B of combined 2026 capex (+67–74% YoY), ~75% AI infrastructure. This is a textbook late-stage, supply-side capital cycle — high returns attracting a debt-funded flood, the classic setup for ROIC mean-reversion and write-downs. GOOGN exists because of this cycle: Alphabet is funding its leg of the buildout partly with the very preferred the instrument represents. Alphabet is better-positioned than peers (contracted backlog, TPU edge) but not immune.

Overall section 3 verdict: a structurally good-but-cresting set of industries at a 2026 inflection. For a 2029-dated convert, the key reads are that Cloud’s trajectory is the upside and contested-Search-plus-capex-digestion is the risk — a spread of outcomes wide enough that the convert’s capped/yield structure has real value.

4. Competitive Position

Alphabet’s competitive advantage is real, financially-validated, and multi-sourced (Greenwald taxonomy: scale, customer captivity, network effects). Ranked by durability:

1. YouTube — network effects + scale + content library (most durable). A two-sided creator↔viewer network compounded over 20 years. YouTube reclaimed #1 in Nielsen’s The Gauge (March 2026) at 13.5% of US TV viewing time, ahead of Netflix’s 8.8%. The moat ties directly to financials (YouTube ads ~$40.4B FY2025, +11.7%; the fastest-growing Services subscriptions line). No competitor can buy 20 years of creator supply.

2. Search — economies of scale + customer captivity (dented, still dominant). A self-reinforcing query/data feedback loop + default distribution + brand + two-sided ad-auction scale. Share has been ~80–90% stable for two decades — a textbook Greenwald moat that is the margin (drives Google Services’ 40.7% operating margin). The 2026 crack (AI answer engines, desktop share at a 20-year low, antitrust-ordered data-sharing) is genuine but not yet a revenue event (Search revenue accelerating to +19% in Q1-2026).

3. Google Cloud — scale + switching costs + TPU differentiation (improving, share-gaining). Operating income $6.1B (FY2024) → $13.9B (FY2025), a ~23.7% margin — the canonical economies-of-scale proof. Switching costs (data gravity, committed contracts) plus a differentiated stack (TPUs/Axion, Gemini, BigQuery, Vertex). Second-strongest moat on trajectory.

4. Android / Chrome / Play — distribution control (real, now regulated). The distribution rails that feed Search — and exactly what antitrust targets. The Chrome/Android divestiture was denied (platform intact) but exclusivity is gone.

Other Bets / Waymo — optionality, not a moat.

Framework tests. Market-share stability: PASS for Search and YouTube, IMPROVING for Cloud. ROIC ~31% vs ~9–10% WACC — sustained high returns confirm real barriers (Greenwald). The live debate is the durability of the Search moat against generative AI and antitrust data-sharing.

Verdict: a genuine wide-moat compounder with multiple durable moats, each tied to a financial outcome. For GOOGN holders, moat durability matters because it underpins the floor on how badly the equity can do over three years — a wide, defended moat makes a catastrophic sub-$300 GOOGL outcome (the only place the convert loses real money) less likely, which is the strongest structural argument for the instrument.

5. Growth History and Forward Opportunities

Historical growth. Revenue compounded from $161.9B (2019) to $402.8B (2025) — a ~16.4% five-year CAGR — with a COVID surge (+41% 2021), a 2022–2023 ad trough (+9.8%, +8.7%), and a re-acceleration into 2024 (+13.9%), 2025 (+15.1%), and +21.8% in Q1-2026. Growth is overwhelmingly organic, led by Cloud (+35.8% FY2025, +63% Q1-2026) and subscriptions (+19.1%), with Search re-accelerating to +19%.

Quality of growth. High-quality: organic, mix-improving (Cloud/subscriptions outgrowing cyclical ads), with rising gross margin (56.6% → 59.7% over three years) as TAC falls. The one caveat: reported earnings growth (+34% FY2025) far exceeds normalized earnings growth (~+15.6%) because of equity-securities marks (section 6).

Forward opportunities. Cloud/AI infrastructure (the largest near-term driver: +63%, >$460B backlog); AI monetization of Search (AI Overviews monetizing at parity; AI Mode >1B MAU); YouTube (CTV leadership, Shorts, subscriptions); Gemini/Workspace AI/agents; and Waymo optionality.

Why this matters for GOOGN. The convert’s upside scenario (GOOGL > $440 by 2029, where the common decisively beats the convert) requires this growth runway to translate into a re-rating of the equity, not just revenue growth. The instrument’s structure implicitly bets that growth continues but the multiple does not expand further — a reasonable read given a normalized ~37.5x starting P/E.

Verdict: high-quality, re-accelerating, organic growth with a credible multi-year runway — the question for the convert is whether that runway lifts GOOGL above ~$415–440 (favoring common) or merely sustains it in the ~$352–415 zone (favoring the convert).

6. Financial Quality

For an equity holder this section is about earnings power and valuation; for a preferred holder it is also about coupon coverage and balance-sheet capacity to keep paying — a far lower bar that Alphabet clears trivially.

Revenue and margins. FY2025 revenue $402.8B (+15.1%), Q1-2026 +21.8%. Gross margin rising (56.6% → 59.7%). Consolidated operating margin 32% (10-K basis; Google Services 40.7%, Google Cloud 23.7%). Operating leverage is real in mature Services and inflecting in Cloud.

Quality of earnings — the critical equity finding. Reported FY2025 net income ($132.2B) exceeds operating income ($129.0B) because of a $24.08B net gain on equity securities (non-cash marks on private stakes like SpaceX, Anthropic). The distortion is larger in Q1-2026: net income ($62.6B) sits ~$23B above operating income ($39.7B) on a $36.9B equity-securities gain; the non-marketable portfolio jumped from $68.7B (12/31/2025) to $106.9B (3/31/2026) in one quarter.

Normalized earnings (stripping the marks, tax-affected):

At ~$356, the normalized TTM P/E is ~37.5x, not the reported ~27.7x. This is the single most important valuation input for the underlying — and the core reason a yield-plus-cap instrument is attractive relative to the fully-priced common.

Cash flow — FCF is compressing. Operating cash flow grew strongly ($101.7B FY2023 → $164.7B FY2025, +31%), but free cash flow has been flat at ~$73B for three years ($69.5B / $72.8B / $73.3B) because capex consumed the entire OCF increase (capex/OCF 32% → 56%). TTM FCF has declined to ~$64B. In Q1-2026, OCF $45.8B against $35.7B capex = just $10.1B FCF.

Coupon coverage (the preferred-holder lens). The combined GOOGM + GOOGN dividend is ~$1.0B/yr (6.25% on ~$16.75B). Against $160B+ operating cash flow, ~$129B operating income, and $127B cash, the coupon is covered >100x by operating income — credit/coupon risk is negligible. Even the full ~$85B program’s incremental fixed charges (preferred coupon + new-notes interest, perhaps ~$5–6B/yr) are a small fraction of operating cash flow. The preferred’s risk is overwhelmingly equity-directional (where GOOGL trades in 2029), not the company’s ability to pay.

Balance sheet. Cash + marketable securities ~$126.8B (3/31/2026), plus the $106.9B non-marketable portfolio. Total debt rose from $25.5B (FY2024) → $59.3B (12/31/2025) → $90.5B (3/31/2026), and the June 2026 senior-notes issuance adds more — moving Alphabet from net-cash fortress to modest net debt, still trivial against ~$479B equity. Crucially for ranking: every dollar of this debt sits senior to GOOGN (section 7), though the cushion beneath the preferred (equity market cap ~$4.35T) is enormous.

Returns. Reported ROE ~38.9% (flattered); normalized ROE ~30%; ROIC ~31% — all far above WACC. The forward question is incremental ROIC on the $91B → $180B+ capex (unproven; the $460B+ backlog is the bull’s evidence).

Verdict: core economics improve with scale (a genuine high-return compounder), but reported earnings are ~18–35% flattered by non-cash marks and FCF is being consumed by the capex supercycle. For the convert holder, the franchise’s cash generation makes the coupon money-good; the equity’s full-to-demanding valuation and flat FCF make the common the riskier of the two ways to own Alphabet here.

7. Capital Allocation

This is the section most reshaped by the instrument, because GOOGN is itself a capital-allocation event — one leg of the largest financing program in Alphabet’s history.

Capital-return history (the strong record). Alphabet repurchased ~$279B of stock over FY2021–2025, shrinking net shares ~11% (13,740M → 12,230M) despite ~$25B/yr SBC — genuine per-share value creation (net buybacks ~1.8x SBC). It initiated a dividend in April 2024 ($0.20/qtr), raised it 5% to $0.21/qtr in 2025 (~$10B/yr, a token ~6.5% payout — capital return is buyback-led). Through FY2024 this was textbook disciplined large-cap capital return.

The June 2026 inflection — Alphabet becomes a net issuer. For the first time in ~20 years, Alphabet pivoted from net repurchaser to net issuer, raising capital across the entire capital structure to fund the AI buildout. The program (per the June 2026 S-3ASR shelf, 424B5 prospectuses, and 8-Ks):

This ~$85B+ aggregate program is what a casual read (including an earlier draft read) can mistake for “$85B of preferred.” It is not: the preferred is ~$16.75–19B (~$8.375B per series at base size); the bulk is common (up to $40B ATM + $10B Berkshire) and senior notes. The 6.25% preferred coupon is a new ~$1.0B/yr permanent charge to common holders (senior to them), and the converts will dilute by ~38–47M shares at conversion (~0.3–0.4% of ~12.2B shares — immaterial).

Where GOOGN sits in the stack. Mandatory convertible preferred ranks junior to all of Alphabet’s debt (the multi-tranche senior notes, the 100-year bond, all existing debt) and senior to common stock as to dividends and liquidation. The two preferred series (A = GOOGM, B = GOOGN) rank pari passu with each other — equal in right of payment, equal coupon, equal conversion date. Practically, with ~$4.35T of common equity beneath it and ~$90B+ of debt above it, GOOGN’s liquidation seniority is a formality — the instrument behaves as upside-capped equity, not as a credit instrument with a meaningful claim. Dividends are cumulative (missed payments accrue), and the issuer can defer, but given coverage this is theoretical.

Why two series at all? Issuing the mandatory convertible in two pari-passu tranches (A/B) is a mechanical/distribution choice — it widens the underwriting syndicate and the addressable buyer base for a single very large (~$16.75B) preferred raise, and lets the two tranches be priced/allocated to different books. For the holder the practical consequence is the one this memo exploits: two near-identical securities trade separately, so any price/term gap between them is a clean relative-value signal (section 10.7). Series B’s terms came marginally richer to the holder; at equal price it should, if anything, trade at a slight premium to Series A — so GOOGN trading cheaper than GOOGM (as it does at ~$49.85 vs ~$50.02) is the dislocation to exploit.

How to read the raise. Two interpretations: conviction (raising capital you don’t obviously need against $160B+ OCF to press an advantage) or late-cycle red flag (the AI-capex bet has outgrown internally-generated cash — the Marathon capital-cycle tell, flagged publicly by Mike Novogratz as a possible top signal). A capital-cycle-aware read leans toward the latter as a caution: it is the clearest evidence the buildout can no longer be self-funded from FCF. For the convert holder specifically, the raise is double-edged: it confirms the heavy-investment, FCF-light phase the coupon is designed to monetize, but it also means Alphabet chose to sell a yield-plus-cap instrument at ~$352 GOOGL — i.e., the company itself was a willing seller of this exact risk/reward, which is information.

Capex. $24.6B (FY2021) → $91.4B (FY2025) → guided ~$180–190B (2026). The contracted $460B+ backlog and TPU edge are counterweights; but if AI-compute demand disappoints, write-downs and depressed incremental ROIC follow — the bear path for GOOGL, hence for GOOGN below $352.

M&A. Wiz, Inc. — agreed March 2025, $32.0B all-cash (largest-ever), a cloud-security platform, expected to close 2026 pending regulatory approval. Plus Intersect (data-center power) and tuck-ins.

Incentives and governance (a structural negative for all Alphabet holders). PSU payout is tied solely to relative TSR vs the S&P 100 — no ROIC, operating-income, or capital-efficiency metric disciplines the $180B capex bet. The dual-class structure gives Page (~27.4% of votes) and Brin (~25.3%) personal control of ~52.7% of voting power (~54.3% all insiders); one-share-one-vote is defeated annually. GOOGN holders have even less say than common holders — preferred shares are generally non-voting except on narrow protective matters (e.g., authorization of senior stock, certain charter changes). Public capital — common and preferred — has no check on the bet.

Verdict: historically excellent capital allocation now under its biggest-ever test, and GOOGN is a direct product of that test. The pivot to ~$85B of external financing (debt + ~$19B preferred + ~$50B common) adds permanent fixed charges and signals the AI bet outgrew internal cash. For the convert holder, the silver lining is that the very conditions that make this a cautionary capital-allocation moment (flat FCF, capex doubling, full valuation) are precisely the conditions under which a 6.25% coupon plus an upside cap beats owning the common outright.

8. Changes and Headwinds — Last Two Years

Strategic / financial changes (chronological).

• April 2024: first-ever dividend ($0.20/qtr) + $70B buyback authorized.
• Mid-2024: CFO transition — Ruth Porat to President & CIO; Anat Ashkenazi (ex-Eli Lilly) SVP/CFO.
• August 2024: DC District Court rules Google an illegal search monopolist (liability).
• March 2025: Wiz $32.0B all-cash acquisition agreed.
• April 2025: EDVA ad-tech monopoly liability ruling; dividend +5% and further $70B buyback.
• September 2025: DOJ search remedies (exclusive defaults barred, data-sharing ordered, Chrome/Android divestiture denied); EU €2.95B ad-tech fine.
• December 2025: DOJ search final judgment; Intersect acquisition.
• Jan–Feb 2026: Google appeals search judgment; DOJ cross-appeals seeking divestitures.
• June 2026: new S-3ASR shelf; the ~$85B financing program — senior notes (incl. 100-yr bond), the GOOGM/GOOGN 6.25% mandatory convertible preferred (~$19B), the $10B Berkshire common private placement, and up to $40B ATM common. This is the event that created GOOGN.

Headwinds (for the underlying equity, hence the convert). (1) Generative-AI competition for Search — the first credible challenge to the query monopoly in 20 years. (2) The capex supercycle / FCF compression — $91B → ~$180B+, flat ~$73B FCF, the pivot to external financing. (3) Meta passing Google in ad revenue (2026), growing ~2x faster. (4) Multi-front antitrust (DOJ search appeal, ad-tech AdX divestiture risk, EU/UK/India). (5) Rising depreciation (D&A +38% YoY) pressuring forward operating margin.

Verdict: the last two years are net thesis-complicating for the equity — the franchise re-accelerated and survived the worst antitrust outcome, but the backdrop is more competitive and capital-intensive than ever. For GOOGN, the headwinds widen the distribution of 2029 outcomes, which raises the value of the convert’s coupon-and-cap relative to naked common ownership.

9. Risk Analysis

The convert inherits all of Alphabet’s equity risks (below ~$440 it is equity-directional; below ~$352 it is full common downside) plus instrument-specific risks. Matrix:

Catastrophic-loss / total-loss risk: negligible at the issuer level (overwhelming liquidity, immaterial leverage, multiple profitable franchises — no plausible path to insolvency). At the instrument level, the realistic downside is not a zero but a sub-par equity outcome: if GOOGL fell to, say, $250 by 2029, GOOGN converts to 0.14210 × $250 = ~$35.5 of stock + ~$9.4 dividends = ~$44.9 per $50, a ~−10% total return (vs the common’s ~−28%). The convert mitigates but does not eliminate downside.

10. Valuation Discussion (instrument mechanics + embedded expectations)

No price target, no recommendation — this section frames the instrument’s payoff and what it implies. The convert’s value is a deterministic function of (a) Alphabet’s equity at conversion and (b) the dividends collected.

10.1 The terms, exactly

10.2 Series B vs Series A — the term-by-term comparison (the GOOGN edge)

GOOGN gives marginally more conversion shares in both regimes and trades at a marginally lower price. There is no conversion outcome in which holding GOOGM beats holding GOOGN at these prices. The total edge is small — roughly 1.2–1.3% of all-in value — but it is a genuine, free dominance relationship between two pari-passu claims on the same issuer.

10.3 Conversion payoff — the three zones

At mandatory conversion, “applicable market value” (≈ the 20-day VWAP of GOOGL into May 2029) determines shares received per depositary share:

10.4 Total-return payoff vs buying GOOGL common (per $50 invested, ~2.9 yr, nominal)

Buying $50 of common at the $351.87 initial price = 0.14210 shares (the same as the convert’s max rate, by construction). Common collects ~$0.35 of dividends over the period (~0.23% yield); GOOGN collects ~$9.375 (6.25% × $50 × ~3 yr). Resulting terminal value per $50:

The crossover is GOOGL ≈ $415 at conversion (~+18% over ~3 years, ~5.6%/yr). Below it, the convert wins — by a constant ~18 points across the entire down-to-flat range, because below the dead band the convert holds the same shares as the common plus the dividend bundle. Above it, the common wins, and the gap widens without limit. The convert’s payoff is therefore concave: it caps the right tail and softens (but does not floor) the left tail. (The crossover is a hair below Series A’s ~$419 — an arithmetic artifact of Series B’s lower ~$351.87 reference price, against which $50 buys slightly more common; it does not mean GOOGN is worse than GOOGM. At equal price, GOOGN dominates GOOGM, section 10.2.)

10.5 Delta, and what it means now

The instrument’s sensitivity to GOOGL (“delta”) is state-dependent, not constant. With GOOGL at ~$356 — just above the $351.87 initial price — GOOGN sits at the high-delta edge: it currently tracks the common nearly one-for-one on a down move (max-conversion zone) but its delta falls toward zero as GOOGL rises into the $352–$440 dead band (where value is pinned near $50 + accrued dividends), then rises back toward ~80% above $440. A blended/issue-date delta of ~70% (as cited at pricing) is consistent with this profile. Practically: buying GOOGN today is near-maximal equity participation on the downside and rapidly-diminishing participation on the upside — the worst moment for the cap if you are a raging bull, the best moment for the coupon if you are not.

10.6 When the convert is the right instrument

The decision collapses to a single forecast — GOOGL’s ~3-year CAGR to May 2029:

• < ~5.6%/yr (GOOGL < ~$415): GOOGN beats common. Includes all down scenarios and modest-up scenarios.
• > ~5.6%/yr (GOOGL > ~$415): common beats GOOGN, increasingly so.

A disciplined base-case/SOTP fundamental value for GOOGL (~$310–315) is below the current ~$356 — i.e., that read implies a negative-to-flat three-year price path before dividends, squarely in the zone where GOOGN dominates. Even the prior memo’s base scenario (~$312) and bull scenario (~$464) bracket the crossover: in base, GOOGN wins big; only in the bull (>$440) does common pull meaningfully ahead. The convert is, in effect, a structured way to express “I want Alphabet exposure but I think the equity is fully priced” — and to be paid 6.25% for that view.

10.7 GOOGN vs GOOGM as a relative-value trade

Because the two series are pari passu and economically near-identical, the spread between them is a clean relative-value signal. On the terms alone, Series B is marginally richer to the holder, so at equal dollar prices GOOGN should trade at a slight premium to GOOGM (it is worth ~1% more in conversion value). Instead, at ~$49.85 vs ~$50.02, GOOGN trades ~0.34% cheaper — a ~1.2–1.3% combined dislocation (better terms and lower price). For anyone establishing or rolling Alphabet-convert exposure, the implication is mechanical: buy GOOGN over GOOGM until the spread closes or inverts. For a holder of GOOGM, a swap into GOOGN at this spread is a small, low-risk pickup (same issuer, same coupon, same maturity, slightly better terms, lower price) net of transaction costs and the practical frictions of two thinner secondary markets. This is the one place in the Alphabet capital structure offering a near-riskless relative edge — modest in size, but real.

10.8 Embedded expectations / fair value of the instrument

At ~$49.85 with GOOGL at ~$356.38 (just above the $351.87 initial price), GOOGN trades approximately at par / fair value (a hair below par — you buy $50 of stated value for ~$49.85, nudging the effective yield to ~6.27% and adding a sliver of conversion value per dollar). A rough decomposition: GOOGN ≈ (0.14210 shares of GOOGL ≈ $50.6 of delta-one exposure at the strike) − (a ~25%-wide call spread sold, $352→$440) + (PV of ~$9.4 of dividends). The market price of ~$49.85 implies the sold call spread’s value roughly offsets the dividend PV — a fair exchange at-the-money. The instrument is therefore not mispriced against the common in any obvious absolute way; the case for owning it is relative — vs the common (given a non-bullish view) and vs its own twin GOOGM (where GOOGN is the cheaper, richer claim).

Valuation verdict: GOOGN is fairly priced near par and is a concave, coupon-bearing claim on Alphabet’s equity — and the better-priced of the two pari-passu preferred tranches. It is structurally superior to the common in every scenario where GOOGL ends below ~$415 in 2029 and inferior above it. Given that the underlying equity is rich on every clean metric (normalized P/E ~37.5x, EV/EBITDA 21.3x vs Meta’s 11.6x, ~1.5% FCF yield, P/S/P/B at the 96th–98th own-history percentile), the convert’s coupon-and-cap profile is the better-priced expression of Alphabet ownership for a valuation-disciplined holder — at the explicit cost of the strong-bull upside, and with GOOGN the marginally superior of the two converts.

11. Variant Perception

Consensus belief (on the underlying). Alphabet is the primary AI winner; its full stack (Gemini + TPUs + Cloud + first-party data + distribution) lets it monetize the AI transition rather than be disrupted; Search is durable (+19%); Cloud is inflecting; the reported ~27.7x P/E is “cheap for the quality” (sell-side ~$429 target, 40 strong-buy / 16 buy / 12 hold / 0 sell). On the instrument, the consensus framing is “a high-yield way to own Google with some downside cushion,” and the two series are treated as interchangeable.

The variant perception on the instrument. Two differentiated views. First, the common “downside cushion” framing is wrong in the way that matters: a mandatory convertible has no principal protection — below the $351.87 initial price it delivers the same number of shares as the common, so the dollar downside is the common’s downside minus only the ~$9.4 dividend bundle. GOOGN is not “Google with a safety net”; it is “Google with the next 25% of upside sold off for a 6.25% coupon, and full downside retained.” Second — and unique to this memo — the two series are not interchangeable at these prices: GOOGN has strictly better terms yet trades cheaper, so the market is leaving a small free lunch by pricing GOOGN at a discount to GOOGM when it should command a slight premium. The genuinely differentiated conclusion: for a fully-priced megacap the house itself values below the current price, the convert is the superior long (not because it’s safer, but because the coupon-and-cap match a flat-to-modestly-up expected path better than the uncapped common) — and GOOGN is the superior convert.

Strongest case FOR GOOGN over common: Alphabet is a great business at a demanding price; over three years it most likely compounds modestly (the house’s ~$310–315 fair value implies the multiple, not the business, is the problem). In that world GOOGN collects 6.25%/yr and converts to the same-or-more value than the common, beating it by ~18 points. You are paid to be patient through the capex-digestion period.

Strongest case AGAINST GOOGN (i.e., for common): if the AI-capex bet pays off and re-rates GOOGL through ~$440 by 2029 — the consensus bull case — the cap costs you real money (10–16+ points) and you’d have been better owning the uncapped common. If you are a true Alphabet bull, the convert is the wrong instrument.

The 3–5 assumptions that matter most: (1) GOOGL’s ~3-year CAGR vs the ~5.6% crossover (the whole ballgame). (2) Whether the AI capex inflects FCF and re-rates the stock (>$440 = bull = own common). (3) Search revenue durability through the AI transition (sets the left tail). (4) Whether the multiple compresses from ~37.5x normalized (favors convert). (5) Coupon safety (a near-certainty given coverage — not a real swing factor). A sixth, instrument-specific: the GOOGN/GOOGM spread (currently favoring GOOGN; monitor it).

What would falsify each side. Prefer-the-convert falsified by: clear evidence GOOGL re-rates above ~$440 well before 2029 (FCF inflection confirmed, AI payoff visible) — then the cap dominates and common is better. Prefer-the-common falsified by: GOOGL stalling or falling through 2029 (capex overbuild, Search erosion, multiple compression) — then the coupon-and-cap wins, as it does in the house base case. Prefer-GOOGN-over-GOOGM falsified by: GOOGM trading enough below GOOGN to offset Series B’s better terms — then take the cheaper twin.

12. Fact vs. Interpretation Table

13. Open Questions

1. GOOGL’s 3-year path — the single determinant of whether GOOGN beats the common (crossover ~$415). No way to resolve ex ante; the issuer’s AI-capex payoff (section 7) is the swing factor.
2. The GOOGN/GOOGM spread’s persistence — is GOOGN’s ~$0.17 discount to GOOGM a durable inefficiency (two thin, retail-heavy secondary markets that don’t arbitrage to each other) or a transient one that closes? Either way the current action is “own GOOGN,” but the spread is worth monitoring as a swap signal.
3. Over-allotment / final deal size — were the 25M-depositary over-allotments exercised on each series (taking combined preferred from ~$16.75B toward ~$19B)? Confirm in the final closing 8-K.
4. Fundamental-change make-whole — the precise additional shares deliverable and the “fundamental change” early-conversion mechanics (acquisition, delisting) were not fully extracted; relevant only in a takeover, which is improbable for Alphabet given dual-class control.
5. Why Series B’s slightly richer terms? — whether the marginally more favorable Series B conversion ratios reflect a later/again-marketed tranche, a different book, or simply rounding in the underwriters’ sizing. Academic to the payoff, but it is the source of the dominance relationship.
6. Senior-notes total — the June 2026 multi-tranche notes (incl. the 100-yr 6.125% 2126 bond) add to the ~$90B+ debt ranking above GOOGN; the exact aggregate was not pinned down (academic given the equity cushion).
7. Issuer equity-mark volatility — reported GOOGL EPS will swing with the $107B non-marketable portfolio marks; this affects sentiment/price (hence the convert) more than fundamentals.

14. What Must Be True

For preferring GOOGN over GOOGL common (the convert is the better long):

• GOOGL compounds at less than ~5.6%/yr to May 2029 (ends below ~$415) — i.e., the equity is fully-to-over-priced today and the next three years are flat-to-modestly-up or down. This is consistent with a disciplined ~$310–315 fair-value read on the common.
• The 6.25% coupon is paid in full (a near-certainty given >100x coverage) and Alphabet remains solvent and investment-grade.
• The franchise’s moat holds well enough to keep GOOGL above ~$300 (where even the convert loses real money) — supported by the wide, defended Search/YouTube/Cloud moats.
• Falsification test: If GOOGL re-rates above ~$440 before mandatory conversion — the AI-capex payoff confirmed, FCF inflecting decisively above ~$110–120B — the prefer-the-convert thesis breaks: the cap forfeits 10–16+ points of upside and the uncapped common is clearly the better instrument.

For preferring GOOGN over GOOGM (the cheaper twin):

• GOOGN’s better conversion terms persist (they are fixed by prospectus) and its price stays at or below GOOGM’s.
• Falsification test: If GOOGM trades at a discount to GOOGN large enough to outweigh Series B’s ~1% richer conversion value (roughly, GOOGM more than ~$0.5 below GOOGN), the cheaper-twin call flips to GOOGM — buy whichever is cheaper all-in.

For preferring GOOGL common over the converts (be a bull, skip the cap):

• The AI-capex bet pays off and re-rates the equity through the ~$440 threshold by 2029 (Cloud sustains 40%+ at rising margin, Search stays durable, FCF inflects, the multiple holds or expands).
• Falsification test: If, by FY2027, trailing FCF is still stuck near ~$70B (capex/OCF >55%), OR Search revenue decelerates to high-single-digits, OR any hyperscaler takes a material AI-capex write-down, the bull/own-common thesis breaks — GOOGL likely lands in the dead band or below, where GOOGN’s coupon-and-cap wins.

Source appendix follows as Appendix B in the combined report.

APPENDIX A — Standard Diligence Questionnaire

Standard Diligence Questionnaire — Alphabet 6.25% Series B Mandatory Convertible Preferred (NASDAQ: GOOGN)

Prepared by: Report date: 2026-06-11 Supplemental to the research memo. Labels: (F) Fact, (I) Interpretation, (A) Assumption. GOOGN is a security (a mandatory convertible preferred), not an operating company; answers address both the instrument and its issuer, Alphabet Inc.

General

What thoughtful questions have other investors asked about this security? The central instrument question is whether GOOGN is a “safer way to own Google” — and the differentiated answer is no: a mandatory convertible has no principal protection and carries full common downside below the ~$352 initial price, cushioned only by the dividend. A second, GOOGN-specific question sophisticated holders press is “why own GOOGN rather than the near-identical GOOGM?” — and here the answer is clean: GOOGN has marginally better conversion terms (more shares, lower threshold) yet trades cheaper, so it weakly dominates GOOGM at current prices. Beyond that, holders press on: (a) the crossover vs common (~$415, ~+18% over 3 years) and whether they expect GOOGL above or below it; (b) the size and seniority of the new debt ranking above the preferred; © why Alphabet — a $160B-OCF company — sold a yield-plus-cap instrument at all (a willing-seller signal); and (d) the underlying equity debate (is generative AI sustaining or disruptive to Search, and does the $180B capex earn its cost of capital). (I)

Cyclicality & Earnings Nature

Are (issuer) earnings at a cyclical high or low? Operating earnings are at a structural high and re-accelerating (revenue +21.8% Q1-2026), not cyclically depressed. Reported earnings are flattered ~18–35% by non-cash equity-securities marks. For the convert, what matters is the equity’s three-year trajectory, not the snapshot. (F/I)

Driven by external environment or internal actions? Both — healthy ad market + AI-demand tailwind (external), Cloud margin inflection + TAC discipline (internal). The capex bet is an internal action with unproven payoff. (I)

How stable are revenues? ~73% advertising is cyclical; ~27% (Cloud + subscriptions) is contracted/recurring and growing — the mix is becoming less cyclical. For coupon coverage this stability is irrelevant (coverage >100x); for the 2029 conversion value it matters via the equity. (F/I)

Outlook for the instrument’s market? Mandatory convertible preferreds are a standard megacap financing tool; GOOGM/GOOGN are unusually large and high-profile. The “market” for the instrument is its 2029 conversion into GOOGL — a function of the underlying, not an independent product cycle. (I)

Business Quality & Competitive Moat

Is the industry getting more or less competitive? More — generative AI made Search contested for the first time in 20 years; Meta is passing Google in ad revenue; Cloud is a fierce Big-3 oligopoly. (F/I)

How profitable is the issuer? ~31% ROIC, ~30% normalized ROE, 32% consolidated operating margin (40.7% Google Services) — vastly above WACC, confirming a real moat. (F)

Barriers to entry? Very high — first-party data at scale, two-sided ad-auction network effects, owned distribution, $90B+/yr capex, custom silicon (TPUs). Antitrust is actively trying to lower them (ordered data-sharing). (F/I)

Can the business be easily understood? The issuer, yes (ads + cloud). The instrument requires understanding mandatory-convertible payoff mechanics — the three conversion zones — which many retail buyers underestimate. (I)

Do brands / switching costs matter? Yes — “to google,” YouTube’s creator network, Cloud’s data gravity and committed contracts. (F/I)

Financial Condition & Balance Sheet

Coupon coverage / ability to pay? The combined GOOGM+GOOGN dividend (~$1.0B/yr) is covered >100x by ~$129B operating income; $127B cash; cumulative dividends. Credit/coupon risk is negligible. (F/I)

Where does GOOGN rank? Junior to all debt (incl. the new multi-tranche senior notes and the 100-year bond), senior to common, and pari passu with GOOGM (Series A). With ~$90B+ debt above and ~$4.35T equity below, the seniority is a formality — GOOGN behaves as upside-capped equity. (F/I)

Assets not fully on the balance sheet? The $106.9B non-marketable equity portfolio is carried at fair value and drives reported-EPS volatility; the data/brand moats are unbooked intangibles. (F/I)

Off-balance-sheet liabilities? Operating leases, large purchase commitments (data-center/AI infrastructure), and the in-flight ~$85B financing program’s future fixed charges. (F)

How conservative is the accounting? Operating earnings are cash-backed and low-accrual; the conservatism caveat is the reported line, inflated by equity marks (use normalized). (I)

How capex-hungry? Extremely, and rising — $91.4B FY2025 → ~$180–190B guided 2026. This is the reason GOOGN exists (external financing of the buildout) and the core risk to the 2029 conversion value. (F)

Capital Allocation & Management

FCF generation and use? OCF $164.7B FY2025 but FCF flat ~$73B for three years (capex consumes it). Historically buyback-led capital return (~$279B over 2021–2025, ~11% net share reduction) + a token dividend; now pivoted to net issuer. (F)

Recent significant financing? The June-2026 ~$85B program: senior notes (incl. 100-yr 6.125% 2126 bond), the ~$19B GOOGM/GOOGN mandatory convertible preferred (~$8.375B per series base), a $10B Berkshire Hathaway common private placement, and up to $40B ATM common. The preferred is the smaller, equity-linked slice. (F)

Buying back or issuing shares? Both, simultaneously — still authorizing buybacks while issuing ~$50B of new common (ATM + Berkshire) and ~$19B of converts. Net effect is a pivot from share-shrink to modest dilution to fund capex. (F/I)

Compensation / incentive alignment? PSU payout tied solely to relative TSR vs the S&P 100 — no ROIC or capital-efficiency metric disciplines the $180B capex bet. A governance negative for all holders. (F)

Management motivations / control? Dual-class: Page (~27.4%) + Brin (~25.3%) control ~52.7% of votes; one-share-one-vote defeated annually. GOOGN holders are generally non-voting (narrow protective rights only) — even less say than common holders. (F)

Valuation & Market Data

Is the security an ADR, MLP, or K-1 issuer? No — GOOGN is a US domestic preferred (depositary shares); dividends are preferred-stock dividends (generally 1099-DIV, not K-1). Holders should confirm qualified-dividend treatment with a tax advisor. (F/A)

Dividend policy? Fixed 6.25% cumulative on the $50 stated amount ($3.125/yr per depositary, quarterly, first payment Aug 15 2026), until mandatory conversion May 15, 2029. At a ~$49.85 price the effective yield is ~6.27%. (F)

How profitable / how is the instrument valued? GOOGN at ~$49.85 (GOOGL ~$356.38) trades ~at par/fair value near the initial price. Its value is a deterministic function of GOOGL at conversion plus dividends: full common downside below ~$352, fixed $50 in the $352–$440 band, ~80% upside participation above $440. Crossover vs common ≈ $415. Versus its twin GOOGM, GOOGN is the cheaper, marginally-richer claim. (F/I)

Net income vs cash from operations (issuer)? Diverging — reported net income ($132.2B FY2025) exceeds operating income due to equity marks, while FCF is compressed by capex. Use normalized EPS (~$9.17 FY2025) and watch FCF, not reported EPS. (F/I)

Risks & Downside

What would cause the security to decline? A fall in GOOGL (below ~$440 the instrument is equity-directional; below ~$352 it falls dollar-for-dollar with the common less the dividend); a de-rating of the rich underlying multiple; AI-capex overbuild; Search erosion; antitrust escalation; or a market dislocation in the depositary shares. (I)

Risk of catastrophic loss? At the issuer level, negligible (overwhelming liquidity, immaterial leverage). At the instrument level, not zero-risk: a sharp GOOGL decline produces a sub-par equity outcome (e.g., GOOGL $250 → ~−10% total return on GOOGN vs ~−28% on common). The convert mitigates but does not eliminate downside. (I)

Chance of total loss? Effectively nil — would require Alphabet’s insolvency, for which there is no plausible path given the balance sheet. The realistic worst case is a meaningful but partial equity loss. (I)

Recent News & Events

Has the environment changed recently? Yes — the instrument was created by the June-2026 ~$85B financing program, itself a response to the AI-capex supercycle and Alphabet’s pivot from net repurchaser to net issuer. Concurrently: ongoing antitrust appeals (DOJ search, ad-tech), Meta passing Google in ad revenue (2026), and Search re-accelerating (+19% Q1-2026) even as query share is contested. (F/I)

Significant acquisitions? Wiz ($32.0B all-cash, agreed March 2025, expected to close 2026); Intersect (data-center power, Dec 2025). (F)

Change in accounting policies? None material to the instrument; equity-securities fair-value marks continue to distort reported issuer EPS. (F)

Recent structural changes? The full June-2026 capital-structure overhaul (new shelf, senior notes incl. a 100-year bond, ~$19B converts in two pari-passu series, ~$50B new common). For GOOGN holders the key changes are (a) the layer of new debt now ranking above the preferred — immaterial given the equity cushion — and (b) the existence of a near-identical twin (GOOGM) that creates a clean relative-value comparison, currently favoring GOOGN. (F)

APPENDIX B — Source Appendix

Source Appendix — Alphabet 6.25% Series B Mandatory Convertible Preferred (NASDAQ: GOOGN)

Prepared by: Report date: 2026-06-11 Primary sources first. The instrument terms are sourced to the SEC prospectuses; the issuer analysis is sourced to Alphabet’s SEC filings and to a prior Alphabet analysis (2026-06-09 common) and a same-day Series A analysis (2026-06-11), each itself sourced to those filings.

A. Instrument — primary documents (SEC EDGAR, CIK 0001652044)

1. 424B5 — 6.25% Series B Mandatory Convertible Preferred Stock (GOOGN), filed 2026-06-04. The primary source of all GOOGN terms: 167,500,000 Series B Depositary Shares at $50; min/max conversion 2.2740/2.8420 per preferred (0.11370/0.14210 per depositary); initial price ~$351.87; threshold ~$439.75; 6.25% cumulative dividend (Feb/May/Aug/Nov 15, first Aug 15 2026); mandatory conversion expected May 15 2029; ranking (senior to common, junior to debt, pari passu with Series A); ~$8.375B base size; 25M over-allotment. URL: https://www.sec.gov/Archives/edgar/data/1652044/000119312526257702/d152175d424b5.htm
2. 424B5 — 6.25% Series A Mandatory Convertible Preferred Stock (GOOGM), filed 2026-06-04. Source of the Series A comparison terms (min/max 2.2520/2.8160; initial ~$355.11; threshold ~$444.05; same 6.25% and May-15-2029 conversion) used in the Series A/B dominance comparison (section 10.2). URL: https://www.sec.gov/Archives/edgar/data/1652044/000119312526257690/d159942d424b5.htm
3. 424B5 — Class A Common + Class C Capital Stock offering (concurrent), filed 2026-06-04: 25,459,689 shares each class. URL: https://www.sec.gov/Archives/edgar/data/1652044/000119312526256375/d152107d424b5.htm
4. 8-K — June 2026 financing program, filed 2026-06-04: confirms the up-to-$40B ATM common program, the $10B Berkshire Hathaway common private placement (the “Private Placement Shares”), and the multi-tranche senior notes including the 6.125% Senior Notes due 2126 (100-year bond), 4.375% due 2064, and shorter maturities. URL: https://www.sec.gov/Archives/edgar/data/1652044/000119312526257724/d83560d8k.htm
5. 8-K — preferred/notes (2026-06-05) and the S-3ASR shelf (June 2026) — supporting the program. URLs: https://www.sec.gov/Archives/edgar/data/1652044/000119312526259830/d36818d8k.htm ; https://www.sec.gov/Archives/edgar/data/1652044/000165204426000059/goog-20260602.htm

B. Issuer — primary filings (Alphabet Inc.)

6. Alphabet FY2025 Form 10-K, filed 2026-02-05 — revenue disaggregation, segment operating income, equity-securities gain ($24.08B), cash flows, balance sheet, share count, buybacks, dividend. (EDGAR CIK 0001652044.)
7. Alphabet Q1-2026 Form 10-Q, filed 2026-04-30 — Q1-2026 revenue +21.8%, $36.9B equity-securities gain, non-marketable portfolio $106.9B, total debt $90.5B, capex, OCF/FCF.
8. Alphabet DEF 14A (proxy), filed 2026-04-24 — dual-class voting (Page ~27.4%, Brin ~25.3%, insiders ~54.3%), PSU/TSR incentive structure.
9. Alphabet Q1-2026 earnings call / 8-K (2026-04-29) — Cloud backlog >$460B, capex guidance ~$180–190B, Search +19%, AI Overviews/AI Mode metrics. (Management commentary — treated as hypothesis.)

C. Issuer analysis baseline (prior analysis)

10. Prior Alphabet Inc. (GOOGL) fundamental analysis, 2026-06-09. Reused as the issuer baseline for section 2–section 9 (business, industry, moat, growth, financials, capital allocation, risks). All underlying facts trace to the Alphabet SEC filings above.
11. Prior Alphabet 6.25% Series A Mandatory Convertible Preferred (GOOGM) analysis, 2026-06-11. The same-day companion analysis of the pari-passu Series A tranche; its instrument-mechanics framework is mirrored here and recentered on Series B. Note: both prior analyses correct the original GOOGL draft’s characterization of the June-2026 program as “$85B of preferred” — the preferred is ~$16.75–19B; the ~$85B is the full program across notes + common + preferred; Berkshire’s $10B was a common private placement.

D. Market / quantitative data

12. yfinance via scripts/fetch.py (2026-06-10/11) — GOOGN price $49.85 (52-wk $49.79–$55.97, 90d avg vol ~19.0M); GOOGM price $50.02; GOOGL price $356.38, market cap ~$4.35T, total debt ~$95.9B, cash ~$126.8B. Third-party aggregator — reconciled to filings; the GOOGN 52-wk high of $55.97 is treated as thin-tape/aggregator noise and not relied upon.
13. AZI fundamentals/news feeds (azitrading.com) — return empty for GOOGN (a preferred depositary with no operating fundamentals), as expected; issuer data sourced to GOOGL filings.
14. SEC EDGAR XBRL via scripts/edgar.sh — Alphabet CIK resolution (0001652044), 424B5/8-K filing index.

E. Industry / third-party (issuer context, secondary)

15. eMarketer — 2026 digital-ad share projections (Meta passing Google; triopoly shares).
16. Synergy Research — Q1-2026 cloud-infrastructure market shares (AWS ~30%, Azure ~25%, Google Cloud ~13%, +63%).
17. Nielsen The Gauge (March 2026) — YouTube #1 US TV viewing time (13.5%).
18. DOJ / EDVA / EU / UK CMA / India CCI — antitrust rulings and remedies (Dec-2025 search final judgment; April-2025 ad-tech liability; EU €2.95B fine).
19. General financial media (for the financing program’s reception, e.g., commentary characterizing the raise) — secondary color only; primary terms always from the 424B5/8-K.

Labeling note: management commentary (item 9) and third-party aggregator/forecast data (items 12–19) are treated as hypotheses/signals, validated against primary filings (items 1–8) wherever they enter the memo. Instrument terms (section 10) rest entirely on the primary 424B5 prospectuses (items 1–2).