An insurance policy is a contract against catastrophe. The policyholder pays a premium and hopes the claim never comes. On September 18, Warren Buffett stepped down as chairman of Berkshire Hathaway, effective immediately, and described his son's new role in the vocabulary of the business he knows better than anyone. "Think of Howard as a policy the shareholders own and hope never to claim against," he wrote in a letter to shareholders. "Greg runs the company; Howard will guard its culture and values — both worth more than anything on our balance sheet."
Buffett, 96, will become chairman emeritus and remain on the board of directors. Howard Buffett, 71, who has served as a director since 1993, replaces him as chairman. Susan Decker continues as lead independent director. Greg Abel, who became CEO in January after Buffett announced his departure at Berkshire's annual meeting in May 2025, retains operational control. The announcement completes a succession plan Berkshire outlined years ago.
Berkshire shares barely moved on the news. The market's indifference is itself the data point. BRK-B has risen roughly 1 percent in 2026 while the S&P 500 has returned more than 11 percent. The stock closed Friday near $511, well below its August 52-week high of $537.74. A $1.09 trillion company underperforming the benchmark by ten percentage points tells you the Buffett premium has been repricing for months. The departure was not a surprise. The repricing was the event.
The balance sheet Buffett leaves behind is extraordinary. Berkshire ended the second quarter with $365.5 billion in cash, cash equivalents, and short-term Treasuries, down from a record $397.4 billion three months earlier. Abel has been deploying it. In January, Berkshire completed the $9.7 billion acquisition of OxyChem from Occidental Petroleum. Abel announced a $6.8 billion all-cash acquisition of homebuilder Taylor Morrison in late May, closing it in July. In June, Berkshire completed a $10 billion private placement in Alphabet, split between Class A and Class C shares. Berkshire became a net buyer of stocks for the first time in fifteen quarters.
Abel's approach already diverges from Buffett's. He hinted at consolidating Taylor Morrison with Berkshire's existing Clayton Homes subsidiary, departing from Buffett's practice of running acquired businesses independently. He stepped up share buybacks to $4.5 billion in the second quarter. Buffett praised Abel's speed on the Alphabet deal: "Greg did that faster than I could have done it, smoother than I could have done it, and I never talked to the CEO." The $10 billion investment was part of Alphabet's $80 billion equity raise to fund AI infrastructure. Alphabet is now Berkshire's third-largest holding, behind Apple and American Express. The man who avoided technology stocks for decades endorsed his successor's most technologically forward bet.
The numbers that close the chapter resist comprehension. Buffett took control of Berkshire in 1965 at age 34. It was a failing New England textiles company. Over sixty-one years, he compounded shareholder returns at 19.7 percent annually, nearly double the S&P 500. The company now reports $44.5 billion in operating earnings and employs nearly 400,000 people. "Father Time always wins," Buffett wrote on Friday. "He has, however, been generous with me."
The metaphor he chose for his departure says more than the letter. An insurance policy transfers risk from the insured to the underwriter. Howard Buffett is not running Berkshire. Abel is. Howard is the catastrophe coverage against cultural drift, the contract that activates only if something goes wrong. Berkshire is, at its core, an insurance company. Its competitive advantage was always float: other people's money, held in trust, deployed at scale. The greatest capital allocator in history priced his own departure the way he priced everything else.