Thomas and Stacey Siebel Foundation

Thomas and Stacey Siebel Foundation is a private foundation based in Redwood City, California with $69.9M in assets, focused on Philanthropy & Grantmaking. Profile based on its IRS Form 990-PF filing, compiled by Grantoria.

$69.9Mtotal assets
1997IRS ruling year
Philanthropy & Grantmakingfocus area

🏆 Top 25% of 11,589 tracked U.S. private foundations by total assets.

Grants Thomas and Stacey Siebel Foundation has awarded

23 grantees · $6.2M total in its latest IRS Form 990-PF. Largest recipients:

  • Salvation Army New York City $1M
  • Salvation Army - San Jose $1M
  • Salvation Army - Helena Mt $1M
  • Salvation Army - San Francisco $1M
  • Salvation Army - Great Falls Mt $500K
  • Siebel Scholars Foundation $350K
  • Eastside College Preparatory School $250K
  • Salvation Army - Billings Mt $250K
  • American Enterprise Institute For Public Policy $250K
  • Bob Hoover Academy $204K
  • American Academy Of Arts & Sciences $100K
  • Hoover Institution $100K
  • Recreational Aviation Foundation $50K
  • Augusta School District $50K
  • Wolf Creek School $25K
  • Wolf Creek Volunteer Fire Dept $25K
  • Augusta Volunteer Fire Department $25K
  • Augusta Volunteer Ambulance Services $15K
  • Montana Game Warden's Association $15K
  • The Woodside Trail Club $10K
  • Cteta Ltd The Horse Park At Woodside $10K
  • Tahoe Fund $10K
  • Wikipedia $5K

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).

  • FY2020$6M
  • FY2021$20.6M
  • FY2022$7M
  • FY2023$6.2M

About Thomas and Stacey Siebel Foundation

  • TypePrivate foundation
  • Primary focusPhilanthropy & Grantmaking
  • HeadquartersRedwood City, California
  • EIN943256331
  • IRS ruling1997

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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Frequently asked questions

What is Thomas and Stacey Siebel Foundation?

Thomas and Stacey Siebel Foundation is a private foundation based in Redwood City, California with $69.9M in total assets, as reported on its IRS Form 990-PF.

What does Thomas and Stacey Siebel 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 Thomas and Stacey Siebel Foundation?

Thomas and Stacey Siebel Foundation's EIN is 943256331. View its 990-PF filings on ProPublica.

How do I apply for a grant from Thomas and Stacey Siebel Foundation?

Private foundations like Thomas and Stacey Siebel 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 Thomas and Stacey Siebel 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.