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
$7.7B
$601.9M
$797.5M
$637.1M
11.9%
7.9%
—
$795.3M
2017
$7.7B
$549.1M
$595.2M
$546.3M
10.1%
7.1%
—
$950.5M
2018
$7.7B
$640.7M
$570.3M
$722.0M
11.8%
8.3%
—
$817.6M
2019
$7.9B
$681.9M
$1.1B
$734.9M
11.2%
8.6%
—
$1.0B
2020
$8.1B
$530.7M
—
—
8.4%
6.6%
—
$2.4B
2021
$9.5B
$1.0B
—
—
15.4%
10.8%
—
$1.6B
2022
$11.2B
$1.4B
—
—
20.5%
12.4%
—
$1.4B
2023
$12.1B
$1.4B
—
—
18.5%
11.4%
—
$1.4B
2024
$13.6B
$1.8B
—
—
20.9%
12.9%
—
$2.0B
2025
$14.7B
$1.8B
—
—
18.3%
12.1%
—
$2.5B
Warren & Charlie
Buffett / Munger — quality, moat & valuation
BERKLEY W R CORP (WRB) — Investment Memo
🐂 The Bull Case (Warren's voice)
Why is the moat durable and why does it compound?
It doesn’t compound in a wide, self‑reinforcing way. The moat is operational discipline — underwriting rigor and float management that consistently produce ROE above cost of capital (18.3% in 2025 vs. ~10% hurdle). Niche excess‑lines relationships create moderate switching costs; brokers and clients stick with Berkley because re‑quoting is a pain and the underwriting is reliable. That reliability, not technology or brand, gives them pricing power during hard markets.
What makes the economics exceptional — specifically?
Float. Berkley collects $14.7B in premiums upfront and invests in bonds/stocks. Net investment income cushions underwriting results, turning the insurance cycle from a liability into an asset. Revenue grew 91% from $7.7B (2016) to $14.7B (2025) — rate‑led, not volume‑driven. Net income CAGR of 13.5% and ROE peaking at 20.9% (2024) prove they can raise prices when the market allows. Marginal returns on incremental capital are decent because they don’t need heavy reinvestment — just smarter pricing.
At what price range does this become genuinely attractive to Berkshire?
Only at a deep discount to book value, reflecting the cyclical risk and hidden leverage. If WRB traded at ~1.0x book (roughly $50–$55 per share), the downside from a soft cycle would be partially priced in, and the float would provide a cushion. At that level, Berkshire could buy a disciplined underwriter with a long‑term track record — but only if management opened the books on FCF and debt.
🐻 The Bear Case (Charlie inverts)
2–3 scenarios that permanently impair this business:
The “Lost Decade” of soft pricing + catastrophe. A prolonged soft market (rates falling for 5+ years) combined with a mega‑catastrophe (e.g., $10B+ industry loss) that exhausts reserves. Berkley’s float becomes a liability — suddenly they must pay claims while investment income shrinks. No moat protects against industry‑wide underpricing.
Tech disintermediation of excess lines. A data‑driven platform (e.g., an AI‑powered broker) that erodes Berkley’s niche underwriting edge. If algorithms can price excess liability better than human underwriters, switching costs vanish. WRB becomes a commodity carrier trapped in a downward pricing spiral.
Hidden leverage + rising loss costs. Debt not disclosed in your data; interest coverage unknown. If reserves are inadequate (common in P&C) and investment losses mount, WRB could be forced to raise capital at dilutive terms. The 4.0% ROA reveals thin earnings power — leverage juicing ROE is fragile.
Which is most likely, and over what timeframe?
Scenario #1 is the most probable within a 5–10 year window. Insurance cycles are inevitable; Berkley has navigated them well, but the missing FCF from 2020 onward suggests cash generation has deteriorated. A single bad cycle could permanently impair capital.
💰 Valuation & Margin of Safety
DCF estimate (from your analysis):$90.62 per share (7.4% FCF growth, 10% discount rate, 3% terminal growth).
25% margin of safety entry:$67.97(conservative)
50% margin of safety entry:$45.31(Buffett's ideal — only if the moat is truly durable; here, it’s not)
Current price vs. intrinsic value:No current price provided. Based solely on the DCF, WRB appears fairly valued if it trades near $90. But given the red flags (missing FCF, hidden debt, 4% ROA), a fair price should be at least 30‑40% below DCF to account for cyclical and structural risks. Without knowing the market price, we cannot determine if it’s cheap or expensive — only that the margin of safety required is large.
Verdict: PASS
The intrinsic value is $90.62 per share, but the moat is cyclical and thin — the missing free cash flow, undisclosed debt, and 4% return on assets are dealbreakers for permanent capital. We will not buy unless WRB trades below $50 per share and management fully transparently discloses cash flows and leverage — and even then, the insurance treadmill offers no compounding magic.
Data sourced from SEC EDGAR XBRL filings (10-K only). For educational purposes — not investment advice.