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
$40.6B
$562.0M
$1.5B
$534.0M
9.5%
1.4%
$4.8B
$3.9B
2017
$48.4B
$828.0M
$1.1B
$767.0M
12.1%
1.7%
$4.8B
$4.1B
2018
$60.1B
$900.0M
$559.0M
$720.0M
8.2%
1.5%
$6.9B
$5.3B
2019
$74.6B
$1.3B
$753.0M
$1.2B
10.5%
1.8%
$13.9B
$12.1B
2020
$111.1B
$1.8B
$4.6B
$2.2B
7.0%
1.6%
$16.9B
$10.8B
2021
$126.0B
$1.3B
$3.3B
$1.8B
5.0%
1.1%
$19.0B
$13.1B
2022
$144.5B
$1.2B
$5.3B
$1.6B
5.0%
0.8%
$18.2B
$12.1B
2023
$154.0B
$2.7B
$7.3B
$3.2B
10.5%
1.8%
$18.0B
$17.2B
2024
$163.1B
$3.3B
-$490.0M
$3.9B
12.5%
2.0%
$18.6B
$14.1B
2025
$194.8B
-$6.7B
$4.3B
-$6.2B
-33.4%
-3.4%
$17.5B
$17.9B
Warren & Charlie
Buffett / Munger — quality, moat & valuation
CENTENE CORP (CNC) — Investment Memo
🐂 The Bull Case (Warren's voice)
The Government Toll Booth: This is a play on the inevitable. As the US population ages and poverty persists, the government must spend more on Medicare and Medicaid. Centene is the infrastructure through which those billions flow.
Scale as a Barrier: While the "moat" is regulatory, the operational moat is the ability to manage millions of high-risk lives. A newcomer cannot simply wake up and manage a statewide Medicaid contract; the administrative complexity is a formidable wall.
Mean Reversion: If management stops the "empire building" and focuses on the core Medical Loss Ratio (MLR), the sheer volume of premiums provides a massive foundation for recovery.
The "Cheap" Entry: This becomes attractive only when the market prices it as a dying business, while the government remains obligated to use it. We look for a price that ignores the temporary noise of the 2025 losses and focuses on the perpetuity of government health spending.
🐻 The Bear Case (Charlie inverts)
“Show me where I'll die and I won't go there.”
The "Middleman Deletion": The existential threat is a shift toward a single-payer system or a government-led overhaul that removes the private administrator. If the government decides to cut out the middleman to save 2%, Centene's "permission slip" becomes a scrap of paper.
The Margin Squeeze (Price Taker Trap): Centene has zero pricing power. They are price takers in a game where the payer (the government) is perpetually broke and looking to cut reimbursements. A permanent structural decline in margins turns this into a "value trap" where revenue grows but profits vanish.
The Capital Destruction Spiral: The trend from 9.5% to -33.4% ROE is not a "dip"; it is a collapse. When FCF turns negative (-$0.5B) while NI claims a profit, the business is consuming itself to stay alive.
Most Likely Death: The Margin Squeeze. The government will continue to tighten reimbursement rates faster than Centene can optimize care. This is a slow bleed that leads to permanent impairment over the next 3–5 years.
💰 Valuation & Margin of Safety
The DCF provided assumes 15% FCF growth—a fantasy given the current trajectory of negative FCF and cratering ROE.
Intrinsic value estimate: $314.77(Based on optimistic DCF)
25% margin of safety entry: $236.08(Conservative)
50% margin of safety entry: $157.38(Buffett's ideal)
Current Status: Dangerously deceptive. While the price may look "cheap" relative to a theoretical DCF, the business is currently an operating disaster. The DCF assumes a healthy company; the 10-K describes a patient in the ICU.
Verdict: PASS
The disconnect between the optimistic DCF and the catastrophic ROE/FCF is a flashing red light. We do not buy "cheap" businesses that are actively destroying capital at a rate of -33.4%. There is no moat when you have the pricing power of a wet noodle.
Research Notes· Money Model · Moat · Financials · Management
Data sourced from SEC EDGAR XBRL filings (10-K only). For educational purposes — not investment advice.