Tesco

Tesco is a massive UK-based grocery retail chain. It is notable in Berkshire Hathaway's history as representing one of Warren Buffett's most prominent and explicitly admitted investment mistakes, leading to the coining of his term "thumb-sucking."

📉 The Investment and the Mistake

• Initial Investment: Berkshire built a significant position in Tesco over several years, initially believing in the strength of its retail moat.
• The Deterioration (2014): As Tesco's management issues, accounting scandals, and competitive pressures escalated, the business fundamentals deteriorated rapidly.
• The "Thumb-Sucking" Error: Instead of selling the entire position immediately upon recognizing the broken thesis, Buffett hesitated. He sold a portion but held onto the rest, "thumb-sucking" while the stock price plummeted further.
• The Loss: This hesitation resulted in a realized after-tax loss of $444 million for Berkshire Hathaway in 2014.

💡 Buffett's Takeaway

Buffett used the Tesco failure in the 2014 Letter as a primary teaching moment for shareholders regarding decisive action.

"In the world of business, bad news often surfaces serially: You see a cockroach in your kitchen; as the days go by, you meet his relatives." — Warren Buffett, 2014 Letter

🔗 Connections

• Concept: Thumb-Sucking, Mistakes
• Context: 2014 Letter

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