The William K Warren Foundation
Tulsa, Oklahoma · EIN 730609599 · Private foundation
The William K Warren Foundation is a private foundation based in Tulsa, Oklahoma. Its most recent IRS Form 990-PF reports $14.2M in grants paid and $303.6M in total assets. Bespoke Grants tracks 4 individual grants from this funder — $78.8M awarded across 2020–2024 — including its support for health care. Below is its full funding profile.
What The William K Warren Foundation funds
The William K Warren Foundation's giving carries a documented focus on health care, scientific research, faith-based (christian).
Grant history
The largest grants Bespoke Grants has on record for The William K Warren Foundation, by amount:
| Recipient | Location | Grant | Year |
|---|---|---|---|
| Statement 29a STATEMENT 29A | Tulsa, OK | $22.2M | 2024 |
| Statement 30a SEE STATEMENT 30a | Tulsa, OK | $21.3M | 2023 |
| Statement 30a SEE STATEMENT 30a | Tulsa, OK | $21.1M | 2022 |
| Attachment 21 SEE ATTACHMENT | Tulsa, OK | $14.2M | 2020 |
The William K Warren Foundation giving by year
Total grants Bespoke Grants has indexed for each filing year:
How to apply for funding from The William K Warren Foundation
The William K Warren Foundation's public IRS filing does not spell out a formal application process. Foundations of this size often give primarily to organizations they already know, so a concise letter of inquiry or a warm introduction is usually the best first contact — not a full proposal. You can review the foundation directly at williamkwarrenfoundation.org.
Is The William K Warren Foundation the right funder for your nonprofit?
This page shows what The William K Warren Foundation has funded. Bespoke Grants tells you whether it fits your mission — and finds every other foundation that does. Free, no credit card.
Match my nonprofit to funders →Frequently asked questions about The William K Warren Foundation
- Does The William K Warren Foundation accept grant applications?
- The William K Warren Foundation's public filing does not specify an application process. A brief letter of inquiry or a warm introduction is usually the best first step with a private foundation of this size.
- What does The William K Warren Foundation fund?
- The William K Warren Foundation's grants focus on health care. Recent recipients include Statement 29a, Statement 30a, Statement 30a. Its full grant history is listed above.
- How much does The William K Warren Foundation give in grants?
- The William K Warren Foundation reported $14.2M in grants in its most recent IRS filing (FY2020). Across all years in our data it has awarded $78.8M over 4 grants.
- Where is The William K Warren Foundation located?
- The William K Warren Foundation is based in Tulsa, Oklahoma. Its IRS employer identification number (EIN) is 730609599.
- How can I find foundations similar to The William K Warren Foundation?
- Bespoke Grants matches your nonprofit against 225,000+ foundations like The William K Warren Foundation, ranking each by how well it fits your mission, location, and budget — with the reasoning shown. It is free to search.
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