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
$10.5B
$1.5B
—
$1.2B
27.6%
14.2%
—
$524.0M
2017
$11.4B
$1.2B
—
$1.1B
20.7%
11.0%
$8.8B
$617.0M
2018
$14.8B
$4.4B
—
$4.3B
8.5%
29.5%
$13.8B
$4.5B
2019
$28.2B
$2.3B
—
$3.3B
4.7%
8.1%
$12.2B
$2.7B
2020
$27.2B
$2.5B
$4.0B
$3.7B
5.3%
9.2%
$12.9B
$3.8B
2021
$30.8B
$3.8B
$6.6B
$5.4B
8.7%
12.4%
$13.0B
$2.8B
2022
$33.4B
$4.1B
$5.7B
$5.2B
10.4%
12.4%
$13.8B
$5.4B
2023
$32.9B
$6.2B
$5.5B
$6.2B
15.6%
18.9%
$14.7B
$4.7B
2024
$33.0B
$6.6B
$4.9B
$5.8B
17.2%
19.9%
$17.4B
$4.8B
2025
$34.0B
$6.9B
$5.1B
$5.4B
18.0%
20.3%
$22.5B
$5.1B
Warren & Charlie
Buffett / Munger — quality, moat & valuation
LINDE PLC (LIN) — Investment Memo
🐂 The Bull Case (Warren's voice)
The Invisible Toll Bridge: Linde isn't selling a product; they are selling a dependency. When a semiconductor fab or a steel mill is built, they weld a pipeline from a Linde plant directly into the customer’s floor. You don't shop around for a new gas supplier when your entire production line is physically piped to the one you have. That is a moat, not a suggestion.
Pricing Power of the Essential: In periods of inflation, Linde thrives. Because industrial gases represent a tiny fraction of their customer’s total operating cost but are mission-critical to their output, Linde passes through energy costs with ease. It is a classic "cost-plus" annuity hidden inside a manufacturing shell.
The Hydrogen Secular Tailwinds: If the world is serious about decarbonization, hydrogen is the linchpin. Linde is the only player with the infrastructure, scale, and technical competency to act as the global utility for the hydrogen economy. They aren't just selling gas; they are positioning themselves as the infrastructure provider for the next energy epoch.
Management by the Numbers: This isn't empire-building for the sake of size. Their relentless focus on ROI—pushing margins from 12.4% to 20.3%—proves they know how to extract cash from the assets they already own.
🐻 The Bear Case (Charlie inverts)
Munger's rule: "Show me where I'll die and I won't go there."
The Hydrogen Mirage: We are betting on a future where Linde becomes the global hydrogen utility. What if that future is subsidized nonsense? If governments pull back on green energy incentives, or if battery technology makes hydrogen irrelevant for heavy transport, Linde is left holding billions in specialized, underutilized capital equipment. That is a massive, permanent impairment of value.
The "On-Site" Disruption: The entire thesis rests on the customer needing Linde to bring the gas to them. If decentralized, small-scale, on-site generation technology improves to the point where a customer can produce their own nitrogen or oxygen more cheaply than Linde can deliver it, the "welded pipeline" becomes a liability. We become the buggy-whip manufacturer that refused to admit the car arrived.
Geopolitical Hostage-Taking: Linde has physical plants in every corner of the globe. In an era of increasing protectionism and deglobalization, these plants are sitting ducks. If a foreign government decides that industrial oxygen is "strategic national infrastructure," they can seize or regulate our margin into oblivion. We have no way to move those assets.
💰 Valuation & Margin of Safety
Based on the provided DCF analysis:
Intrinsic value estimate: $184.28 per share.
25% margin of safety entry: $138.21
50% margin of safety entry: $92.14
Current Status: Based on this conservative DCF model, the stock is currently significantly overvalued. While the business quality is undeniable, the "industrial utility" premium currently priced into the stock ignores the Capex-heavy reality of the balance sheet.
Verdict: PASS
We recognize the extraordinary moat Linde has carved into the global economy, but we refuse to pay a growth-stock multiple for a utility-like compounder. Until the price compresses to a level that provides a genuine margin of safety—at or below $138.21—we will keep our cash dry. We buy wonderful businesses, but only at prices that allow us to sleep soundly.
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.