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
$28.8B
$3.5B
$4.2B
$5.3B
6.8%
12.3%
$29.9B
$2.9B
2017
$29.7B
$4.0B
$5.6B
$5.7B
8.0%
13.6%
$25.9B
$5.0B
2018
$30.0B
$3.1B
$3.6B
$4.7B
6.1%
10.4%
$23.7B
$3.7B
2019
$30.6B
$4.6B
$5.9B
$6.2B
9.2%
15.2%
$24.6B
$4.4B
2020
$28.9B
$4.8B
$6.0B
$6.2B
9.4%
16.6%
$22.1B
$4.1B
2021
$30.1B
$3.6B
$4.9B
$5.0B
7.0%
12.0%
—
$3.6B
2022
$31.7B
$5.0B
$6.0B
$6.4B
9.6%
15.9%
—
$3.7B
2023
$31.2B
$3.8B
$4.6B
$5.0B
7.3%
12.0%
—
$1.5B
2024
$32.4B
$3.7B
$5.2B
$4.7B
7.3%
11.4%
—
$1.3B
2025
$33.5B
$4.7B
$5.2B
$5.7B
9.7%
13.9%
—
$2.2B
Warren & Charlie
Buffett / Munger — quality, moat & valuation
Medtronic plc (MDT) — Investment Memo
🐂 The Bull Case (Warren's voice)
The "Toll Bridge" on Health: Medtronic doesn't sell gadgets; it sells essential infrastructure for the human body. Once a pacemaker or insulin pump is implanted, the customer is locked in for life.
The Surgeon's Habit: The moat isn't just the patent; it's the muscle memory. A surgeon who has performed 1,000 procedures with Medtronic tools will not switch to a competitor for a 5% price discount. That is a powerful, invisible switching cost.
Regulatory Fortress: The FDA is a moat-builder. The cost and time required to bring a new Class III medical device to market create a protected oligopoly where the incumbents can maintain pricing power.
Pricing for Berkshire: This is a "bond with a coupon." We wouldn't pay a growth premium for 1.8% FCF growth. It becomes attractive only when the market treats it like a dying utility, allowing us to buy the cash flow at a deeply discounted multiple.
🐻 The Bear Case (Charlie inverts)
The "Accounting Mirage": The divergence between Net Income (5.7% CAGR) and FCF (1.8% CAGR) is a flashing red light. When profits rise while cash stagnates, you are usually paying for growth that doesn't exist. This is the smell of aggressive accounting or a business that requires more capital to maintain than it admits.
The Innovation Trap: Medtronic is a giant tanker. A lean, AI-driven competitor specializing in minimally invasive, robotic-first surgery could render their legacy hardware obsolete. They aren't being disrupted by another giant, but by a paradigm shift in how surgery is performed.
The Pricing Guillotine: Government healthcare (Medicare/Medicaid) is the only customer that matters. If the US government decides to move toward value-based pricing or hard price caps on essential hardware, the margins collapse overnight.
The Most Likely Failure: The "diworse-ification" spiral. Management is buying "immaterial" businesses to mask a lack of organic growth. They are trying to buy their way out of a stagnation problem, which usually results in overpaying for mediocre assets.
💰 Valuation & Margin of Safety
Reacting to the DCF of $59.51:
Intrinsic value estimate: $59.51
25% margin of safety entry: $44.63(Conservative)
50% margin of safety entry: $29.76(Buffett's ideal)
Current Status: Expensive. At current market prices (well above $60), the market is pricing in growth that the FCF does not support. We would be paying for a "growth story" in a business that is effectively idling.
Verdict: PASS
The business is a fortress, but the price is a fantasy. The widening gap between accounting earnings and actual cash flow suggests a deterioration in quality that no moat can protect. We will wait for the market to realize this is a utility, not a growth engine, and price it accordingly.
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.