Warren Buffett Passed on This Stock. Greg Abel May Not Wait Any Longer.
Buffett has acknowledged that selling all shares was likely a mistake, as the stock rose significantly afterward.
Overview
If I had to pick one stock worthy of Berkshire Hathaway (NYSE: BRKA) (NYSE: BRKB) that former CEO Warren Buffett walked away from but current leader Greg Abel might eventually revisit, it would be Costco Wholesale (NASDAQ: COST). It checks almost every box in the Berkshire playbook: a durable moat, recurring revenue, disciplined management, and the ability to compound value quietly over very long stretches.
Image source: Getty Images.
Buffett's history with Costco is well known by now. Berkshire Hathaway owned shares for roughly two decades before selling out completely in 2020, a move vice chairman Charlie Munger openly disagreed with. In 2024 and 2025, Buffett admitted that dumping Costco was "probably a mistake," noting that the stock roughly doubled after Berkshire's exit and that he "used up" some of his good decisions between Costco and Apple. As of Berkshire's 13F filed March 31, Costco appears nowhere in its portfolio.
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Originally published at www.fool.com.
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