[10]  Private individuals, foundations, and nearly 100 Academic Sponsor Institutions, including mathematics departments in the United States, also provide support and flexibility.

Jim Simons, founder of Renaissance Technologies and a Berkeley alumnus, was a long-time supporter of the institute and served on the board of trustees.

[9] In May 2022, the institute announced that it received an unrestricted $70 million gift from James and Marilyn Simons and Henry and Marsha Laufer.

[14] SLMath hosts some 85 mathematicians and postdoctoral research fellows each semester and holds programs and workshops that draw approximately 2,000 visits by mathematical scientists throughout the year.

[16] SLMath also serves a wider community through the development of human scientific capital, providing postdoctoral training to young scientists and increasing the diversity of the research workforce.

[20] SLMath has sponsored a number of events that reach out to the non-mathematical public, and its Simons Auditorium also hosts special performances of classical music.

"[21] Recipients of the award include John Rocco, Robie Harris, Jeffrey Kluger, Lauren Child, Michael J. Rosen, Leopoldo Gout, Elisha Cooper, Kate Banks, Gene Luen Yang, Steve Light, and Richard Evan Schwartz.