THE HEISING-SIMONS FOUNDATION
400 MAIN ST STE 200, LOS ALTOS, CA · IRS data through FY2023
Revenue, expenses and net assets
Revenue Expenses Net assets
| Tax year | Revenue | Expenses | Net assets |
|---|---|---|---|
| FY2023 | $152,079,826 | $189,529,079 | $795,700,677 |
| FY2022 | $430,056,379 | $177,047,808 | $778,475,328 |
| FY2021 | $244,878,185 | $164,151,700 | $809,621,752 |
| FY2020 | $190,726,455 | $148,900,208 | $693,425,342 |
| FY2019 | $130,276,952 | $128,898,894 | $529,323,572 |
| FY2015 | $51,311,089 | $46,413,346 | $337,741,151 |
| FY2014 | $38,849,895 | $41,250,733 | $274,499,135 |
| FY2013 | $45,165,891 | $25,302,480 | $250,818,801 |
| FY2012 | $102,655,416 | $24,452,978 | $213,355,020 |
| FY2011 | $44,229,865 | $11,728,252 | $166,227,853 |
Grants paid
Total contributions, gifts and grants paid by year, as reported on Form 990-PF. Individual recipients are not published. See private foundations in CA. See the largest grantmakers.
| Tax year | Grants paid |
|---|---|
| FY2023 | $164,266,528 |
| FY2022 | $152,731,085 |
| FY2021 | $137,403,291 |
| FY2020 | $125,580,150 |
| FY2019 | $109,807,685 |
| FY2015 | $39,569,841 |
| FY2014 | $37,200,381 |
| FY2013 | $22,782,085 |
| FY2012 | $21,319,899 |
| FY2011 | $10,334,238 |
What the numbers show
- Net assets covered about 50.4 months of expenses at the end of the reporting year. That puts it in the 36th percentile among 6905 Philanthropy, Voluntarism & Grantmaking Foundations organizations in CA.
- Total revenue was higher than 99.6% of 7112 Philanthropy, Voluntarism & Grantmaking Foundations organizations in CA.
- Total revenue rose from $44,229,865 in FY2011 to $152,079,826 in FY2023, Revenue increased in 6 and decreased in 3 of 9 year-over-year comparisons.
- Expenses exceeded revenue in 2 of 10 reported years (FY2014, FY2023).
- The highest revenue on record here is $430,056,379 in FY2022.
- Net assets grew from $166,227,853 to $795,700,677 between FY2011 and FY2023.
- Contributions and grants made up 54% of revenue in FY2011 and 92% in FY2023.
- Donations are generally tax-deductible (private foundation).
Figures compared against other organizations of the same NTEE program area in the same state. See the methodology page for how these are calculated and the guide to reading nonprofit financials for their limits.
IRS status
| Ruling year | 2007 |
| Subsection | 501(c)(3) |
| Classification | Private foundation |
| Program area (NTEE) | T20 — Philanthropy, Voluntarism & Grantmaking Foundations (in CA) |
| Donations | Donations are generally tax-deductible (private foundation). |
Similar organizations
- GENE HAAS FOUNDATION — OXNARD, CA · $155,546,653
- ORANGE COUNTY COMMUNITY FOUNDATION — IRVINE, CA · $138,490,195
- JEN-HSUN & LORI HUANG FOUNDATION — PALO ALTO, CA · $135,016,143
- H&H EVERGREEN FOUNDATION — MENLO PARK, CA · $171,691,758
- XIE FOUNDATION — SUNNYVALE, CA · $128,731,936
- BROAD FOUNDATION — LOS ANGELES, CA · $112,993,873
- JEWISH COMMUNITY FOUNDATION OF SAN DIEGO — SAN DIEGO, CA · $194,237,199
- THE AHMANSON FOUNDATION — BEVERLY HILLS, CA · $107,282,633
Source: Internal Revenue Service — Exempt Organizations Business Master File (downloaded September 20, 2026), Statistics of Income extracts, Form 990 e-file data, Publication 78 and the Automatic Revocation list. Figures are as reported by the organization; IRS processing may adjust them. This is not a charity rating and not tax advice. Confirm deductibility in IRS Tax Exempt Organization Search.
Think something here is wrong or should be removed? Use the contact form — we act on removal requests within 30 days.