Katherine Wells Macmillan Foundation
Invitation OnlyMinneapolis, Minnesota · EIN 41-2000877 · Private foundation
Grants paid (2024)$5.7M
Organizations funded6
Typical grant$1,000,000
Total assets$131.9M
Half of its grants to organizations were between $500,000 and $1,487,500.
From the return
How to apply
On its return for tax year 2024 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
100% of grants went outside Minnesota.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Community Foundation of the Florida Keys | Key West, FL | Unrestricted | $1,487,500 |
| United Way of Collier and the Keys | Naples, FL | Unrestricted | $1,487,500 |
| Communities Foundation of Oklahoma | Oklahoma City, OK | Unrestricted | $1,000,000 |
| New Hampshire Charitable Foundation | Concord, NH | Unrestricted | $1,000,000 |
| Grace Jones Community Center | Marathon, FL | Unrestricted | $500,000 |
| Florida Keys Children's Shelter | Tavernier, FL | Unrestricted | $250,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $5,725,000 | 6 |
| 2023 | $3,070,000 | 3 |
Sources
- IRS Form 990-PF, tax year 2024, filed Nov 13, 2025 - IRS e-file batch, object ID 202533179349100043
- IRS Tax Exempt Organization Search for EIN 41-2000877
- 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.