Warren Buffett has funneled roughly $48 billion into the Gates Foundation from 2006 to 2025, typically through annual midyear transfers of Berkshire Hathaway shares. However, this year, for the first time in two decades, Buffett is reportedly delaying his usual donation as he waits for the outcome of a review into the foundation's ties to the late sex offender Jeffrey Epstein, according to a new Wall Street Journal report.