The Heising-simons Foundation — Grants, Assets & 990-PF Profile

The Heising-simons Foundation is a private foundation based in Los Altos, California with $810.5M in assets, focused on Philanthropy & Grantmaking. Profile based on its IRS Form 990-PF filing, compiled by Grantoria.

$810.5Mtotal assets

2007IRS ruling year

Philanthropy & Grantmakingfocus area

🏆 Top 5% of 11,589 tracked U.S. private foundations by total assets.

Grants The Heising-simons Foundation has awarded

40 grantees · $65.1M total in its latest IRS Form 990-PF. Largest recipients:

Environmental Defense Fund Inc $4M
Regents Of The University Of California At Berkeley $3.8M
Natural Resources Defense Council $3.5M
Regents Of The University Of California At San Diego $3.2M
Partnership Project Inc $3M
New Venture Fund $3M
California Institute Of Technology $2.6M
Tides Foundation $2.3M
Tides Center $2M
California Association For Research In Astronomy $1.9M
Social And Environmental Entrepreneurs Inc $1.9M
Third Sector New England Inc $1.7M
San Francisco State University $1.6M
Regents Of The University Of California Santa Cruz $1.6M
Regents Of The University Of California Davis $1.6M
United States Energy Foundation $1.6M
Neo Philanthropy Inc $1.5M
California Education Partners $1.5M
Edvance $1.5M
Arizona Board Of Regents University Of Arizona $1.4M
University Of Chicago $1.4M
The Regents Of The University Of California Los Angeles $1.3M
Amalgamated Charitable Foundation $1.2M
Climate And Clean Energy Equity Fund $1.1M
University Of California Santa Barbara $1.1M

Grantees recorded on Form 990-PF Part XV; amounts aggregated by Grantoria. Linked names have full recipient profiles.

Giving history

Total grants paid by year (IRS Form 990-PF, Part XV).

FY2018$90.1M
FY2019$101.4M
FY2020$132.6M
FY2021$136.1M
FY2022$142.6M
FY2023$152.1M

About The Heising-simons Foundation

TypePrivate foundation
Primary focusPhilanthropy & Grantmaking
HeadquartersLos Altos, California
EIN260799587
IRS ruling2007

Financial data from the organization's IRS Form 990-PF (Exempt Organizations Business Master File). View 990-PF filings on ProPublica →

Grants in Philanthropy & Grantmaking area

This foundation funds philanthropy & grantmaking. While we build out its grantee history, explore open federal grants in the same space:

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Foundations with a similar focus and profile:

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Foundations in California →

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Frequently asked questions

What is The Heising-simons Foundation?

The Heising-simons Foundation is a private foundation based in Los Altos, California with $810.5M in total assets, as reported on its IRS Form 990-PF.

What does The Heising-simons Foundation fund?

Its primary focus area is Philanthropy & Grantmaking (IRS NTEE classification). For grant opportunities in this area, see open grants.

What is the EIN of The Heising-simons Foundation?

The Heising-simons Foundation's EIN is 260799587. View its 990-PF filings on ProPublica.

How do I apply for a grant from The Heising-simons Foundation?

Private foundations like The Heising-simons Foundation typically award grants by invitation or through their own application process — review its giving area (Philanthropy & Grantmaking) and find official contact details in its IRS Form 990-PF. Grantoria is an independent directory and is not affiliated with The Heising-simons Foundation. For grants open to public application right now, use the Grant Finder.

Source: IRS Exempt Organizations Business Master File (Form 990-PF), compiled by Grantoria. Financial figures reflect the latest available IRS data; grantee history is being added. Not affiliated with or endorsed by the foundation.