Michael Bloomberg, Biggest Donor of 2025, Tops Philanthropy 50 List for Third Year in a Row
The wealthy donors on the Chronicle’s list gave to nonprofits they know and trust.
How the Chronicle Compiled Its List of the Top 50 Donors
A look at what gifts count toward the ranking — and why some big-name philanthropists aren’t on the list
Search or browse this year’s list of America’s biggest donors and all the past lists going back to 2000. You can sort by name, amount donated, source of wealth, location, and top cause.
Lynda and Stewart Resnick Give UCLA $100 Million for Psychiatric Care
The gift expands mental and behavioral health services at the Stewart and Lynda Resnick Neuropsychiatric Hospital.
Cornell Lands $371.5 Million From Billionaire Alumnus David Duffield
The donation will endow engineering programs and pushes Duffield’s total giving to the university to $550 million.
Minn. Billionaire Glen Taylor Gives $100 Million for Rural Families
Taylor’s donation to help people in southern Minnesota, where he grew up, and in northwest Iowa, is his second nine-figure gift to benefit rural families.
Knight Donation Tops List of 2025’s Biggest Gifts
Cancer research and care got the most money, followed by the Buffett family’s private foundations, university athletics, and an effort to end malnutrition.
Denny Sanford Gives $300 Million to Build New Medical Center
With his latest donation, the philanthropist has now given Sanford Health nearly $2 billion over the years.
Buffett Gives $1.3 Billion in Annual Thanksgiving Donation
The legendary financier will step down from leading Berkshire Hathaway at the end of the year.
Tom Golisano Pledges $253 Million to 6 Children’s Hospitals
The founder of the payroll giant Paychex has given away more than $1 billion, with a significant share going to help children.