Private foundation (Form 990-PF)
THE HEISING-SIMONS FOUNDATION
EIN 260799587 · LOS ALTOS, CA · filings through tax year 2024
IRS filings through tax year 2025. The loaded set is Form 990-PF until a Form 990 Schedule I ingest is added. Last ingestion completed March 19, 2026.
- Reported giving
- $166,768,310
- Median grant
- $140,000
- Average year
- $142,586,474
- Giving trend
- +13%
Sector mix
- Education35%
- civic17%
- social_services17%
- Science & Technology15%
- Environment10%
Where grants went
- CA1,502 grants
- DC406 grants
- NY298 grants
- MA170 grants
- TX102 grants
3,281 grants in the loaded filings.