Foundation
THE HEISING-SIMONS FOUNDATION
EIN 260799587 · LOS ALTOS, CA · filings through tax year 2023
IRS filings through tax year 2023. The loaded set is Form 990-PF until a Form 990 Schedule I ingest is added. Last ingestion completed March 19, 2026.
- Reported giving
- $164,266,528
- Median grant
- $136,688
- Average year
- $140,836,327
- Giving trend
- +15%
Sector mix
- Education35%
- civic17%
- social_services17%
- Science & Technology15%
- Environment9%
Where grants went
- CA1,217 grants
- DC323 grants
- NY230 grants
- MA135 grants
- TX77 grants
2,610 grants in the loaded filings.