Maclean Foundation
Invitation OnlyMundelein, Illinois · EIN 36-4055957 · Private foundation
Grants paid (2025)$4M
Organizations funded4
Typical grant$750,000
Total assets$16.2M
Half of its grants to organizations were between $50,000 and $1,500,000.
From the return
How to apply
On its return for tax year 2025 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
50% of grants went outside Illinois.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| University of Chicago | Chicago, IL | Donation to Philanthropy, Voluntarism and Grantmaking | $1,748,263 |
| Dartmouth College | Hanover, NH | Thayer Expansion Commitment | $1,500,000 |
| Museum of Science and Industry | Chicago, IL | Build public understanding of science, show how science impacts our society and inspire everyone to think critically about the world around… | $750,000 |
| Ruffed Grouse Society | Pittsburgh, PA | Improve wildlife habitat and forest health for ruffed grouse, American woodcock and ALL forest wildlife. | $50,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $4,048,263 | 4 |
| 2024 | $4,048,263 | 4 |
| 2023 | $6,259,693 | 7 |
Sources
- IRS Form 990-PF, tax year 2025, filed Aug 17, 2026 - IRS e-file batch, object ID 202642299349100469
- IRS Tax Exempt Organization Search for EIN 36-4055957
- 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.