Warren Buffett
Buy wonderful companies at fair prices and hold forever. Only invest within your circle of competence in wide-moat, high-ROE, cash-generative businesses.
The most successful investor of the 20th century. Took over a failing textile mill, Berkshire Hathaway, in 1965 for $25M and turned it into a near-trillion-dollar conglomerate. A protégé of Graham and Charlie Munger's partner for six decades.
Berkshire files a quarterly 13F (≈45-day lag). The annual shareholder letter is the canonical primary source. Note: Berkshire also holds record cash/T-bills, not reflected in the equity weights below.
Holdings & weights
Q1 2026 · 13F (as of 31 Mar 2026)Weights are by market value, from real 13F / daily disclosure. This is a snapshot and will change — see live: Live 13F weights & activity on dataroma
His iconic #1; cut sharply from its peak since 2024 — a much-debated long-run story.
Analyze through a master's lensA core position held for decades and almost never sold.
Analyze through a master's lensThe iconic "forever" holding, untouched since 1988.
Analyze through a master's lensA long-standing core financial holding.
Analyze through a master's lensA newer tech heavyweight in the book.
Analyze through a master's lensDaVita HealthCare Partners −5%, new Delta Air Lines Inc., New York Times CL A +199%, new Alphabet Inc. CL C, Liberty Media Corp. Series C Live −3%, Lennar Corp. +43%, Nucor Corp. −39%, Constellation Brands −95%.
In their own words
Be fearful when others are greedy, and greedy when others are fearful.
Price is what you pay; value is what you get.
If you aren't willing to own a stock for ten years, don't own it for ten minutes.
Where to follow them
Primary sources. Read the original — don't settle for second-hand summaries.
Run any stock you care about through the "Value · Circle of Competence" lens.
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