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
$1.3B
$2.1B
—
—
324.0%
157.0%
$3.6B
$2.4B
2017
$1.5B
$1.5B
—
—
211.0%
103.0%
$3.2B
$2.8B
2018
$6.3B
$2.0B
—
—
311.8%
31.3%
$3.7B
$1.9B
2019
$6.7B
$2.1B
—
—
443.2%
31.7%
$3.9B
$2.9B
2020
$7.4B
$2.3B
—
—
459.5%
31.4%
$4.1B
$4.1B
2021
$8.3B
$3.0B
—
—
148.8%
36.4%
$4.1B
$6.5B
2022
$11.2B
$3.2B
—
—
8.9%
29.0%
$11.0B
$1.3B
2023
$12.5B
$2.6B
—
—
7.7%
21.0%
$11.5B
$1.3B
2024
$14.2B
$3.9B
—
—
11.6%
27.1%
$11.4B
$1.7B
2025
$15.3B
$4.5B
—
—
14.4%
29.2%
$13.1B
$1.7B
Warren & Charlie
Buffett / Munger — quality, moat & valuation
S&P Global Inc. (SPGI) — Investment Memo
🐂 The Bull Case (Warren's voice)
The Toll-Collector Moat: In finance, the S&P name is synonymous with truth. You cannot participate in the bond market without a credit rating, and you cannot build a passive index fund without the S&P 500. This is the ultimate financial infrastructure play; they extract a toll on every dollar of capital that moves.
The Power of the Brand: The S&P 500 is not just data—it is a benchmark. When the entire world of active management, ETFs, and derivatives is anchored to your brand, you have infinite pricing power that is entirely decoupled from the cost of the hardware required to deliver it.
Economic Resilience: Even in a downturn, debt needs to be rated and indices need to be calculated. The revenue is largely recurring and high-margin, assuming they stop chasing expensive, debt-fueled acquisitions and start focusing on the organic, compounding beauty of their core assets.
Attractive Entry: If the market ever suffers a bout of temporary irrationality that drives the price toward a $250 range, the long-term compounding capability of the Indices and Ratings segments makes this a "no-brainer" for a permanent holding.
🐻 The Bear Case (Charlie inverts)
Munger's rule: "Show me where I'll die and I won't go there."
The Serial Acquirer Trap: Management is addicted to empire-building. They have bloated the balance sheet with $13.1B in debt to buy growth. If the synergy assumptions prove wrong—which they almost always do—you are left with a massive pile of goodwill and interest payments instead of a business.
Regulatory Fragility: This is an oligopoly protected by SEC designations. If the political tide turns and regulators decide that the "Ratings Cartel" is anti-competitive, the moat doesn't just shrink—it evaporates. That is a permanent, non-recoverable impairment.
Technological Obsolescence: Relying on human analysts to rate debt in an age of AI and decentralized credit scoring is a dangerous complacency. If a superior, cheaper, algorithmic transparency model gains institutional acceptance, the premium paid for these ratings will collapse to zero.
The "Goodwill" Mirage: With revenue growth driven primarily by acquisitions rather than organic volume, the reported margins of 29.2% are likely overstated. When the amortization of that acquisition debt hits the P&L in earnest, the real profitability will look significantly less impressive.
💰 Valuation & Margin of Safety
Reacting to the DCF estimate of $312.26 per share:
Intrinsic value estimate: $312.26 per share
25% margin of safety entry: $234.20
50% margin of safety entry: $156.13
Market Status: Expensive. Given that the market often prices SPGI at a significant premium to intrinsic value due to its reputation as a "quality" stock, we are currently paying for a perfection that the underlying acquisition-heavy financials do not yet support.
Verdict: WATCH.
The business possesses an elite, world-class moat, but the current dependence on debt-fueled serial acquisitions creates a margin of safety that is too thin for our liking. We will wait for the market to punish the acquisition strategy or provide a cyclical discount before we consider deploying Berkshire’s capital.
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.