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ENTITY
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National Detroit Corp.

National Detroit Corp. was the holding company for the National Bank of Detroit (NBD), which was a significant common stock holding for Berkshire Hathaway in 1980.

📝 The Investment

  • Portfolio Concentration: Listed in the 1980 letter as a major holding with a position size over $10 million.
  • Position (1980): Berkshire held 303,150 shares with a cost of $9.5 million and a market value of $10.1 million.
  • Context: This investment followed Buffett's long-standing interest in the banking sector (e.g., The Illinois National Bank and Trust Co.). NBD was known for its conservative management and strong position in the Midwest industrial economy.

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