No. 10: Jeffrey Carlton (bequest)
Mr. Carlton left about $212-million to a trust that will eventually become the Jeffrey Carlton Charitable Foundation.
Mr. Clark pledged $60-million to Stanford University’s James H. Clark Center for Biomedical Engineering and Sciences, which he helped the university found in 1999 by providing $90-million.
Ms. Hill pledged $50-million over five years to the University of Texas M.D. Anderson Cancer Center.
The family pledged $50-million to build the Center for Advanced Pediatric Care, which will be named after them.
Mr. Bloomberg gave a total of $452-million to arts, education, environment, and public-health nonprofits.
No. 27: John Boruchin (bequest)
Mr. Boruchin, who was 93 when he died in 2012, left about $72-million to the Jewish National Fund.
No. 9: Sergey Brin and Anne Wojcicki
The couple gave $187-million to their Brin Wojcicki Foundation.
No. 50: Millicent Atkins (bequest)
Ms. Atkins left an estimated $37.5-million trust to be split equally among three institutions.
Mr. and Ms. Bass pledged $50-million to establish Bass Connections, a program to encourage interdisciplinary study and collaboration among students and faculty members at Duke.