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
$1.0B
$195.8M
$163.2M
$239.1M
14.6%
19.2%
$754.1M
$85.1M
2017
$2.6B
$227.2M
$316.2M
$281.7M
11.7%
8.7%
$509.7M
$98.6M
2018
$2.9B
$333.8M
$360.1M
$360.0M
15.0%
11.5%
$747.5M
$142.5M
2019
$3.2B
$402.3M
$393.7M
$425.8M
14.8%
12.7%
$850.6M
$199.5M
2020
$784.6M
$82.2M
—
—
—
10.5%
—
—
2021
$3.1B
$401.9M
$547.5M
$446.7M
12.4%
13.0%
$778.5M
$673.1M
2022
$4.6B
$445.3M
$723.0M
$715.5M
5.8%
9.7%
$4.1B
$474.7M
2023
$5.6B
$885.7M
$721.2M
$1.1B
10.8%
15.7%
$3.2B
$648.3M
2024
$5.7B
$819.2M
$1.1B
$1.0B
8.6%
14.4%
$2.6B
$649.8M
2025
$6.1B
$894.8M
$1.1B
$1.1B
8.5%
14.6%
$2.5B
$352.4M
Warren & Charlie
Buffett / Munger — quality, moat & valuation
TELEDYNE TECHNOLOGIES INC (TDY) — Investment Memo
🐂 The Bull Case (Warren's voice)
Indispensability over Innovation: Teledyne is not chasing fads; they are supplying the nervous system of the defense and industrial world. When a customer spends $10B on a naval platform or a satellite, they do not shop for the cheapest sensor. They shop for the one that is guaranteed not to fail. That is not just a moat; it is a fortress.
Superior Cash Conversion: Unlike the tech giants who brag about "adjusted earnings" while hemorrhaging stock-based compensation, Teledyne prints actual cash. Seeing $1.1B in FCF against $0.9B in Net Income confirms the earnings are high-quality, cold-hard cash, not accounting fiction.
The "Mini-Berkshire" DNA: Management treats capital allocation like a religion. They go on a shopping spree to consolidate fragmented markets, but they have the discipline to hit the brakes and deleverage when the debt load gets heavy. They don't just buy growth; they buy pricing power.
🐻 The Bear Case (Charlie inverts)
Munger's rule: "Show me where I'll die and I won't go there."
The ROE Rot: The drop from 14.6% to 8.5% is the flashing red light on the dashboard. You cannot call yourself a "serial acquirer" while your returns on capital are melting; that is not synergy, that is overpaying for scale. If management keeps buying companies at multiples higher than the returns those companies generate, they are simply destroying shareholder value one acquisition at a time.
The "Roll-up" Delusion: This business model relies on the assumption that there is an endless supply of high-quality, niche firms available at reasonable prices. Eventually, the market gets picked clean. When the pool of targets dries up, they will be forced to move into lower-quality assets or overpay for decent ones, leading to permanent impairment of capital.
The Defense Procurement Cliff: They are heavily leveraged to government budgets. If the geopolitical environment shifts toward austerity or if the Department of Defense decides to move toward software-defined, cheaper, "expendable" hardware over Teledyne’s high-cost, high-reliability precision gear, their moat becomes an anchor.
💰 Valuation & Margin of Safety
The DCF model suggests an intrinsic value of $830.91 per share. However, we must haircut that significantly given the eroding ROE and the risks of the acquisition strategy.
Intrinsic value estimate: $830.91
25% margin of safety entry: $623.18
50% margin of safety entry: $415.45
Current Status: The market is currently pricing this closer to our 50% margin of safety level, acknowledging the structural risks. It is not "cheap" because the business quality is degrading; it is "fairly priced for a company in transition."
Verdict: WATCH
Teledyne possesses a durable, mission-critical moat, but the deteriorating ROE suggests that management’s acquisition machine is struggling to find value-accretive targets. We will not commit capital until we see evidence that their reinvestment strategy can stabilize returns above 12% rather than masking organic stagnation with debt-fueled bolt-ons. Keep them on the list, but keep the wallet closed until the capital efficiency improves.
Research Notes· Money Model · Moat · Financials · Management
Data sourced from SEC EDGAR XBRL filings (10-K only). For educational purposes — not investment advice.