William K Warren Foundation — Grants, Assets & 990-PF Profile

William K Warren Foundation is a private foundation based in Tulsa, Oklahoma with $331.4M in assets, focused on Philanthropy & Grantmaking. Profile based on its IRS Form 990-PF filing, compiled by Grantoria.

$331.4Mtotal assets

1947IRS ruling year

Philanthropy & Grantmakingfocus area

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

Grants William K Warren Foundation has awarded

1 grantee · $21.3M total in its latest IRS Form 990-PF. Largest recipients:

Statement 30a $21.3M

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$14.2M
FY2021$17.3M
FY2022$21.1M
FY2023$21.3M

About William K Warren Foundation

TypePrivate foundation
Primary focusPhilanthropy & Grantmaking
HeadquartersTulsa, Oklahoma
EIN730609599
IRS ruling1947

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 William K Warren Foundation?

William K Warren Foundation is a private foundation based in Tulsa, Oklahoma with $331.4M in total assets, as reported on its IRS Form 990-PF.

What does William K Warren 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 William K Warren Foundation?

William K Warren Foundation's EIN is 730609599. View its 990-PF filings on ProPublica.

How do I apply for a grant from William K Warren Foundation?

Private foundations like William K Warren 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 William K Warren 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.