A list of all publicly announced gifts of $25 million or more from US donors that were dedicated to social change.
Among the large donors were the National Fish and Wildlife Foundation, the Bill & Melinda Gates Foundation, and Bloomberg Philanthropies. For an expanded, interactive version of this table that features donations made from 2015 through 2018, see our U.S. Donor Philanthropic Big Bets Database.

This article is from Bridgespan's supplement on big bets for the Spring 2019 issue of Stanford Social Innovation Review.