Idex Foundation
Historical FunderNorthbrook, Illinois · EIN 47-1141222 · Private foundation
Half of its grants to organizations were between $10,000 and $150,304.
How to apply
The foundation filed the following application information (Form 990-PF Part XV, tax year 2025):
| Contact | IDEX Foundation C O Nikki Ambers |
|---|---|
| Address | 3100 Sanders Road Suite 301, Northbrook IL 60062 |
| Phone | 8474987070 |
| Form and materials | Along with the information requested in our grant application a copy of the 501c3 tax exemption letter and current listing of how the organizations funds are distributed annually are required. |
| Deadlines | 12 31 |
| Restrictions | Applicants can only request contributions to organizations that qualify as exempt organizations or equivalent status under section 501c3 of the Internal Revenue Code. |
Copied as filed. Deadlines on a tax return describe the foundation's usual process; they are not confirmation of a current open cycle.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
100% of grants went outside Illinois.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| America Online Giving Foundation Inc | Newark, DE | Welfare Grant | $1,637,573 |
| The UK Online Giving Foundation | London, UK | Welfare Grant | $150,304 |
| CAF America | Alexandria, VA | Welfare Grant | $127,647 |
| Regional Food Bank of Oklahoma | Oklahoma City, OK | Welfare Grant | $10,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $1,925,524 | 4 |
| 2024 | $1,834,176 | 14 |
| 2023 | $1,318,972 | 60 |
Sources
- IRS Form 990-PF, tax year 2025, filed May 4, 2026 - IRS e-file batch, object ID 202621259349100412
- IRS Tax Exempt Organization Search for EIN 47-1141222
- Profile updated Nov 6, 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.