Berkshire requires a 25–50% discount to intrinsic value before buying.
Buffett Quality Checklist
✓ROE >15% consistently (≥7 of last 10 years)
✓Free cash flow positive (≥8 of last 10 years)
✓Conservative leverage — Debt/Equity below 1
✓Revenue growing at CAGR >5%
✓EPS growing at CAGR >5%
10-Year Financial History — SEC EDGAR 10-K Filings
Year▲
Revenue▲
Net Income▲
FCF▲
Owner Earnings▲
ROE▲
Net Margin▲
LT Debt▲
Cash▲
2016
$90.3B
$19.5B
$25.8B
—
14.0%
21.6%
$4.0B
$12.9B
2017
$110.9B
$12.7B
$23.9B
—
8.3%
11.4%
$4.0B
$10.7B
2018
$136.8B
$30.7B
$22.8B
—
17.3%
22.5%
$4.1B
$16.7B
2019
$161.9B
$34.3B
$31.0B
—
17.0%
21.2%
$4.7B
$18.5B
2020
$182.5B
$40.3B
$42.8B
—
18.1%
22.1%
$15.3B
$26.5B
2021
$257.6B
$76.0B
$67.0B
$61.7B
30.2%
29.5%
$15.4B
$20.9B
2022
$282.8B
$60.0B
$60.0B
$42.0B
23.4%
21.2%
$15.3B
$21.9B
2023
$307.4B
$73.8B
$69.5B
$53.5B
26.0%
24.0%
$13.0B
$24.0B
2024
$350.0B
$100.1B
$72.8B
$62.9B
30.8%
28.6%
$12.0B
$23.5B
2025
$402.8B
$132.2B
$73.3B
$61.9B
31.8%
32.8%
$49.1B
$30.7B
Warren & Charlie
Buffett / Munger — quality, moat & valuation
Alphabet Inc. (GOOG) — Investment Memo
🐂 The Bull Case (The Toll Bridge)
The Unavoidable Tax: Alphabet owns the primary entries to the digital world. Search, YouTube, and Maps are not "websites"; they are the infrastructure of modern life. Advertisers pay the $402.8B "tax" because they have no choice; to be invisible on Google is to be invisible to the global consumer.
The Data Flywheel: Every query is a free lesson provided by the user. This creates a compounding intelligence advantage. While competitors start from scratch, Alphabet leverages billions of daily interactions to refine its "prediction machine," making its ad inventory the most productive real estate on earth.
Cloud as the Second Pillar: Google Cloud is evolving from a speculative venture into a high-margin utility. This is "sticky" enterprise revenue—once a company’s data lives in Google’s nervous system, the cost of extraction is prohibitively high.
The Economics of Scale: A 31.8% ROE on a business this large is a "lollapalooza" effect. Even with the massive $49.1B debt load, the core engine produces more cash than almost any other entity in history.
Berkshire Attraction: At the right price, this is the ultimate "wonderful business." It requires relatively little tangible capital to grow compared to its earnings power, despite the recent pivot toward heavy AI infrastructure.
🐻 The Bear Case (The Inversion Machine)
Scenario 1: The Regulatory Decapitation. The "Kill Shot" is a government-mandated divestiture of the ad-tech stack. If the state separates the auctioneer (Google) from the buyer (Google Ads) and the seller (AdSense), the "toll bridge" becomes a series of disconnected, competitive footpaths. The moat isn't being out-competed; it’s being outlawed.
Scenario 2: Marginal Utility Collapse. Generative AI transforms "search" from a journey (where ads are clicked) into an answer (where the transaction ends immediately). If Google provides the answer directly, they destroy the very "click-through" economy that funds their $132.2B Net Income. They are incentivized to protect an obsolete model while their rivals are incentivized to burn it down.
Scenario 3: The Capital Destruction Sinkhole. The 309% debt spike to $49.1B and the widening $58.9B gap between Net Income and Free Cash Flow suggest management is panicking. They are dumping "real" cash into a speculative AI arms race to protect "paper" profits. When a cash-cow starts borrowing heavily to fund "efficiency," the cow is getting sick.
Most Likely Threat: A slow, grinding erosion of margins as "Search" becomes a commodity "Answer Engine," combined with a multi-decade regulatory "death by a thousand cuts" in the US and EU.
💰 Valuation & Margin of Safety
The DCF estimates intrinsic value at $217.13 per share, assuming a 15.0% FCF growth rate. However, Charlie would remind us that projections are often just lies dressed up in spreadsheets. Given the deteriorating quality of earnings (FCF lagging NI by 45%), we must demand a steeper discount.
Intrinsic Value Estimate:$217.13
25% Margin of Safety Entry:$162.85(The "Rational" Entry)
50% Margin of Safety Entry:$108.57(The "Buffett/Fat Pitch" Entry)
Current Status: Based on the DCF, the stock is likely "Fairly Valued" or slightly "Cheap" if you believe the 15% growth. However, if you adjust for the $73.3B FCF reality versus the $132.2B NI fantasy, the "fair" price drops closer to $150.00.
Verdict: WATCH
Alphabet remains the greatest advertising machine ever built, but the $49.1B debt spike and the "accounting-vs-cash" divergence are red flags that cannot be ignored. We will wait for the "inevitable" regulatory panic to provide a better entry point, or for management to prove they aren't incinerating shareholder capital in a desperate AI vanity project. The moat is deep, but the crocodiles are starting to look hungry.
Other Analyst Views· Lynch · Damodaran
Research Notes· Money Model · Moat · Financials · Management
Data sourced from SEC EDGAR XBRL filings (10-K only). For educational purposes — not investment advice.