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
—
$7.4B
$3.6B
$5.5B
8.5%
—
$197.5B
$121.7B
2017
—
$4.3B
-$23.7B
$2.3B
5.2%
—
$227.6B
$110.1B
2018
—
$10.5B
$8.6B
$3.8B
11.6%
—
$236.0B
$130.5B
2019
—
$8.5B
$15.4B
$1.7B
9.4%
—
—
$133.5B
2020
—
$9.5B
-$24.8B
$5.1B
9.9%
—
—
$155.8B
2021
—
$21.6B
$1.6B
$19.0B
19.7%
—
—
$261.0B
2022
—
$11.3B
$5.0B
$10.0B
9.6%
—
—
$241.8B
2023
—
$8.5B
-$14.9B
$11.1B
7.3%
—
—
$241.6B
2024
—
$14.3B
-$15.3B
$14.6B
11.7%
—
—
$182.1B
2025
—
$17.2B
-$47.2B
$17.3B
13.7%
—
—
$164.3B
Warren & Charlie
Buffett / Munger — quality, moat & valuation
GOLDMAN SACHS GROUP INC (GS) — Investment Memo
🐂 The Bull Case (Warren's voice)
The Ultimate Toll Bridge: GS doesn't just trade; they own the relationships with the world's sovereign wealth funds and CEOs. This is a "toll bridge" on the most complex capital movements on earth.
The Prestige Moat: In high-stakes M&A, prestige is a tangible asset. Clients pay a premium for the "Goldman" stamp because it signals the deal is legitimate and the valuation is vetted. It is a brand that sells confidence, not just spreadsheets.
The "Too Big to Fail" Put: The regulatory moat creates a floor. The government cannot allow the primary plumbing of the global capital markets to seize. This provides a synthetic safety net that private competitors lack.
Attractive Entry: If the market treats this as a cyclical casino rather than a structural intermediary, we can buy a world-class franchise at a fraction of its long-term earnings power.
The Price: Genuinely attractive when the market prices in a "permanent crisis" rather than a "temporary cycle."
🐻 The Bear Case (Charlie inverts)
“Show me where I’ll die and I won’t go there.”
The Accounting Mirage: The divergence between Net Income ($17.2B) and FCF (-$47.2B) is a flashing red light. When the P&L is "painted" while the cash disappears, you aren't investing in a business; you're betting on an accounting convention. If you can't trust the cash flow, you can't trust the business.
The Talent Exodus/Commoditization: The moat is "people." If the culture shifts from "partnership" to "corporate bureaucracy," the top producers—the actual source of the moat—will leave to start their own boutiques. Once the prestige evaporates, they are just another bank with expensive overhead.
The Leverage Trap: This is a business that makes money by leveraging its balance sheet. One "Black Swan" event in a highly leveraged portfolio doesn't just cause a bad quarter; it causes permanent impairment of capital.
Most Likely Threat: The "Accounting Mirage." Over a 3-5 year horizon, the gap between reported earnings and actual cash must close. When it does, the "intrinsic value" will likely collapse to meet the cash reality.
💰 Valuation & Margin of Safety
Reacting to the DCF of $359.66 per share:
Intrinsic value estimate: $359.66
25% margin of safety entry: $269.75(Conservative)
50% margin of safety entry: $179.83(Buffett's ideal)
Current Status: Expensive/Fair. The DCF assumes an 8.1% FCF growth rate, which is wildly optimistic given the current negative FCF trend. If we adjust for the "cash canyon," the intrinsic value likely drops by 30-50%.
Verdict: PASS
The gap between Net Income and Free Cash Flow is a canyon too wide to ignore. We do not buy businesses where the P&L is a work of fiction. Until the cash flow reflects the reported earnings, this is a casino, not a compounding machine.
Research Notes· Money Model · Moat · Financials · Management
Data sourced from SEC EDGAR XBRL filings (10-K only). For educational purposes — not investment advice.