Warren Buffett has delayed his annual multi-billion dollar donation to the Bill & Melinda Gates Foundation, reportedly due to an ongoing review of the foundation's connections to convicted sex offender Jeffrey Epstein. Buffett, the 95-year-old chairman of Berkshire Hathaway, typically makes this significant gift mid-year, often reaching nearly $4.6 billion as seen in 2025. The delay pushes his decision to later in the year, potentially aligning with his annual Thanksgiving letter, according to sources familiar with his plans.

The postponement has significant implications for the Gates Foundation, which has relied on Buffett's contributions for approximately 40% of its spending over the past two decades. With a total of nearly $48 billion donated since 2006, the absence of this annual gift could create additional financial pressure. The foundation had already begun preparing for a future without Buffett's support, announcing in 2025 its plan to sunset operations by 2045 and cutting 500 jobs by 2030 earlier this year.

The review into the Gates Foundation's ties to Jeffrey Epstein was commissioned by CEO Mark Suzman, and its findings are anticipated this summer. This scrutiny is intensified by Bill Gates's past association with Epstein, which also contributed to the Gates's divorce and Melinda Gates's departure from the foundation in 2024. Emails released by the U.S. Justice Department in January also showed communication between Epstein and foundation staff. Bill Gates has repeatedly expressed regret for his interactions with Epstein and denies knowledge of his criminal conduct.

Beyond this current delay, Buffett made a significant shift in his long-term philanthropic strategy two years ago. He reversed his plan to give the remaining pledged shares, valued at over $80 billion, to the Gates Foundation upon his death. Instead, all of his remaining assets, estimated by Forbes at $147 billion, will go to a charitable trust overseen by his three children, with instructions to distribute the funds within 10 years of his death. Analyst Timothy Ogden suggests this shift could be problematic, as he believes the Buffett children lack the infrastructure of the Gates Foundation to effectively manage such large-scale philanthropy, which traditionally excels in global health and poverty alleviation.

Buffett's decision to pause this year's gift highlights existing tensions in his relationship with the Gates Foundation, which reportedly began years ago over concerns about the foundation's spending, including on consultants. Should Buffett permanently cease his donations, it would place substantial financial strain on the world's largest grant maker and intensify focus on how his children will manage the enormous fortune in their hands.