The William K Warren Foundation
Historical FunderTulsa, Oklahoma · EIN 73-0609599 · Private foundation · Website
Grants paid (2024)$22.2M
Organizations funded1
Typical grant$22,185,143
Total assets$515.3M
Half of its grants to organizations were between $22,185,143 and $22,185,143.
From the return
How to apply
The foundation filed the following application information (Form 990-PF Part XV, tax year 2024):
| Contact | Tom Cooper |
|---|---|
| Address | PO Box 470372, Tulsa OK 741470372 |
| Phone | 9184928100 |
| Form and materials | SEE WEBSITE FOR APPLICATION |
| Deadlines | N/A |
| Restrictions | PREFERENCE TO LOCAL CATHOLIC HEALTH CARE FACILITIES |
Copied as filed. Deadlines on a tax return describe the foundation's usual process; they are not confirmation of a current open cycle.
Where it gives
0% of grants went outside Oklahoma.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Statement 29A | Tulsa, OK | Statement 29A | $22,185,143 |
Grants approved for future payment
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| None | Tulsa, OK | None | $0 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $22,185,143 | 2 |
| 2023 | $21,283,613 | 2 |
Sources
- IRS Form 990-PF, tax year 2024, filed Nov 17, 2025 - IRS e-file batch, object ID 202513219349102881
- IRS Tax Exempt Organization Search for EIN 73-0609599
- Profile updated Nov 7, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.