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Value Investing 06 Mar 2026 · 8 min read

What Warren Buffett Did Before He Became Warren Buffett

Buffett's early Buffett Partnership letters reveal a pure Graham disciple buying net-nets at 40 cents on the dollar. What changed?

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The Warren Buffett most people know — the patient compounder who buys wonderful businesses at fair prices and holds forever — is not the Warren Buffett who generated his first decade of extraordinary returns. The early Buffett was a ruthless net-net investor, buying cigar-butt stocks at 40 cents on the dollar and selling the moment the price reflected value. Understanding this transition changes how you think about his entire philosophy.

The Buffett Partnership Years (1956–1969)

During his partnership years, Buffett compounded at 29.5% annually versus 7.4% for the Dow — a 22-percentage-point annual advantage. He did it almost entirely using Graham's net-net methodology. His 1958 letter to partners describes a textile company "selling below working capital, with a competent if uninspired management." He held it for 18 months and exited at a 75% gain.

BUFFETT PARTNERSHIP — ANNUAL RETURNS vs DOW
PeriodPartnershipDow JonesEdge
1957–1961+181%+75%+106%
1962–1966+164%+68%+96%
1967–1969+47%+27%+20%

The Transition: Why Buffett Changed

By the late 1960s, Buffett had a problem: the partnership had grown too large for net-nets to move the needle. A $100m net-net position in a £30m market-cap company is impossible to execute without moving the price against yourself. Munger and the acquisition of See's Candies in 1972 shifted his framework toward durable competitive advantage — not because net-nets stopped working, but because they couldn't scale to his capital base.

The Lesson for Individual Investors

You are not running $300 billion. You can execute in the exact market where early Buffett generated his best returns. Graham's net-net methodology works precisely because it targets stocks too small for institutions to own, creating persistent mispricing that the individual investor with patience and discipline can consistently exploit.

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