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▲
2017
$2.6B
$110.0M
$251.2M
$125.2M
3.9%
4.2%
—
$282.9M
2018
$2.6B
$290.9M
$292.2M
$303.8M
9.1%
11.1%
$1.3B
$201.5M
2019
$2.8B
$303.7M
$349.8M
$339.9M
9.6%
10.9%
$1.2B
$220.6M
2020
$3.0B
$407.7M
$376.0M
$390.4M
12.0%
13.5%
$1.2B
$319.6M
2021
$3.1B
$397.4M
$450.4M
$377.4M
10.2%
12.8%
$1.7B
$220.5M
2022
$4.2B
$243.9M
$397.2M
$509.4M
3.7%
5.8%
$2.9B
—
2023
$4.5B
$107.0M
$395.0M
$298.0M
1.8%
2.4%
$3.0B
—
2024
$5.1B
$378.2M
$612.9M
$583.2M
6.0%
7.4%
$3.1B
—
2025
$5.5B
$614.6M
$778.0M
$720.8M
9.3%
11.3%
$1.9B
—
Warren & Charlie
Buffett / Munger — quality, moat & valuation
STERIS plc (STE) — Investment Memo
🐂 The Bull Case (Warren's voice)
The "Toll Bridge" Moat: STERIS doesn't sell a luxury; they sell clinical necessity. A hospital cannot operate a single surgical suite without sterilization. This is the ultimate "utility" within the healthcare ecosystem.
The Razor-Blade Lock-in: The capital equipment is the hook, but the outsourced sterilization services and consumables are the perpetual annuity. Once a hospital integrates STERIS protocols into their regulatory compliance workflow, switching is not a financial decision—it's a risk management nightmare.
Financial Hygiene: Management is behaving like owners. Slashing debt by $1.2B in a single year proves they value a clean balance sheet over vanity growth.
Cash Divergence: FCF is consistently outstripping Net Income ($0.8B vs $0.6B). The business is generating more cold hard cash than the accountants are allowed to report.
Attractive Range: This becomes a "no-brainer" if we can capture the business at a significant discount to its intrinsic value, allowing us to ride the inevitable expansion of the global surgical volume.
🐻 The Bear Case (Charlie inverts)
“Show me where I’ll die and I won’t go there.”
The "Disposable" Death Spiral: The greatest structural threat is the shift toward single-use, disposable surgical instruments. If the industry moves from "sterilize and reuse" to "use and toss," the entire STERIS capital base and service moat becomes a collection of expensive, useless relics.
Margin Fragility: Revenue grew from $2.6B to $5.5B, yet net margins are a "roller coaster." Growth without margin stability is just getting bigger for the sake of being bigger. This suggests a lack of pricing power in certain segments.
The ROE Problem: An ROE moving from 3.9% to 9.3% is an improvement, but it's still mediocre. A truly exceptional business doesn't struggle for a decade to hit double digits.
Most Likely Failure: The move toward single-use disposables. Timeframe: 5–10 years. If the "blade" becomes a disposable plastic tool made by a competitor, the "razor" (STERIS) is irrelevant.
💰 Valuation & Margin of Safety
Based on DCF: $27.9B Total Valuation
Intrinsic value estimate: $283.53 per share.
25% margin of safety entry: $212.65(Conservative—protects against margin volatility).
50% margin of safety entry: $141.77(Buffett's ideal—makes the "disposable" risk irrelevant).
Current Status: Fairly valued to slightly overvalued relative to the DCF. We are paying for the growth, not getting a bargain.
Verdict: WATCH
The moat is durable, but the ROE is too lean for a full-scale Berkshire bet at current prices. We wait for a market dislocation to bring the price toward the $212 level. We don't buy quality at any price; we buy quality at a price that ensures we can't be wrong.
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.