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
$5.5B
$229.0M
$814.0M
$281.0M
7.9%
4.1%
$1.5B
$2.9B
2017
$5.5B
$481.0M
$811.0M
$484.0M
16.3%
8.8%
$1.5B
$2.4B
2018
$5.9B
$116.0M
$1.3B
$116.0M
5.1%
2.0%
$1.5B
$2.9B
2019
$6.1B
$1.2B
$1.2B
$1.1B
107.2%
19.0%
$1.5B
$2.3B
2020
$5.4B
$819.0M
$936.0M
$849.0M
338.4%
15.1%
$1.1B
$2.7B
2021
$5.7B
$730.0M
$1.2B
$726.0M
106.6%
12.7%
$2.6B
$4.5B
2022
$6.3B
$937.0M
$985.0M
$859.0M
111.8%
14.8%
$2.6B
$4.1B
2023
$6.4B
$1.3B
$868.0M
$1.2B
109.9%
20.0%
$2.4B
$2.3B
2024
$6.3B
$986.0M
$1.5B
$1.0B
86.0%
15.7%
$2.4B
$1.9B
2025
$6.6B
$1.2B
$1.3B
$1.2B
114.0%
18.0%
$3.2B
$2.7B
Warren & Charlie
Buffett / Munger — quality, moat & valuation
NetApp, Inc. (NTAP) — Investment Memo
🐂 The Bull Case (Warren's voice)
We aren't looking for a rocket ship; we are looking for a fortress that prints cash.
The "Sticky" Moat: The moat isn't technical brilliance—it's inertia. Moving petabytes of mission-critical data is a nightmare of risk and cost. Customers stay not because they love NetApp, but because they fear the migration.
Cash Flow Engine: The business converts earnings to FCF efficiently. $1.3B in FCF on a stagnant top line suggests a business that has mastered the art of "extracting value" from an existing install base.
Low Capital Intensity: They aren't building factories. The ability to maintain a flat revenue stream while returning capital to shareholders is the definition of a cash cow.
The Price of Admission: This becomes attractive only if we treat it as a "bond with a coupon." If the price drops to a level where the FCF yield is irresistible, the lack of growth becomes a secondary concern.
🐻 The Bear Case (Charlie inverts)
"Show me where I'll die and I won't go there."
The Cloud Cannibal: The "Hybrid Cloud" story is a euphemism for slow death. As AWS, Azure, and GCP refine their native storage, the need for a third-party "bridge" (NetApp) vanishes. We aren't fighting a competitor; we are fighting a paradigm shift.
The Commodity Trap: Storage is becoming a utility. When the product becomes a commodity, the only lever left is price. If they start a price war to stop the bleeding, the margins collapse, and the FCF disappears.
The Reinvestment Void: A 0.7% CAGR over a decade is a confession. Management has no "big idea" that works. They are presiding over a melting ice cube and calling it "stability."
Most Likely Fatality: Cloud-native dominance. Timeframe: 3–7 years. Once the "legacy" enterprises finally migrate their core workloads, the switching cost moat evaporates instantly.
💰 Valuation & Margin of Safety
The DCF assumes a growth rate (5.7%) that the historical record (0.7%) flatly contradicts. We must be more cynical.
Intrinsic value estimate: $119.72 per share
25% margin of safety entry: $89.79(Conservative)
50% margin of safety entry: $59.86(Buffett's ideal)
Current Status: Fair to slightly overvalued. The market is pricing in a "cloud turnaround" that hasn't manifested in the top line for ten years. We are paying for hope, not history.
Verdict: PASS
The lack of top-line growth reveals a business in terminal decline, regardless of the accounting ROE. A moat built on customer hostage-taking eventually fails when the cost of escape drops. We do not buy melting ice cubes, even at a discount.
Research Notes· Money Model · Moat · Financials · Management
Data sourced from SEC EDGAR XBRL filings (10-K only). For educational purposes — not investment advice.