Warren Buffett
Chairman and chief executive of Berkshire Hathaway, 1970–2025
The strategy we've adopted precludes our following standard diversification dogma. Many pundits would therefore say the strategy must be riskier than that employed by more conventional investors. We disagree. We believe that a policy of portfolio concentration may well decrease risk if it raises, as it should, both the intensity with which an investor thinks about a business and the comfort-level he must feel with its economic characteristics before buying into it.
Recorded
His letter to Berkshire Hathaway shareholders in the 1993 annual report, Berkshire Hathaway Inc., February 1994
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