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Data / Foundation grants / Katherine Wells Macmillan Foundation

Katherine Wells Macmillan Foundation: 6 grants to organizations, $5.7 million (tax year ended December 2024)

Katherine Wells Macmillan Foundation, a private foundation in Minneapolis, MN, paid 6 grants to organizations totaling $5,725,000 in its tax year ended December 2024, according to its Form 990-PF filed with the IRS on November 13, 2025. The largest was $1,487,500 to Community Foundation of the Florida Keys in Key West, FL for unrestricted.

SpecStream is the live web data engine for teams and agents. It reads every private foundation's Form 990-PF as the IRS publishes it, and this page is that reading. Ask for the foundations that fund your cause in your state, with the amounts and purposes, and new grants arrive in your sheet, CRM, Slack or agent as the returns are filed.

EIN
412000877
Based in
Minneapolis, MN
Assets
$131,859,393
Grants paid
$5,725,000
Tax year ended
December 2024

Grants paid, tax year ended December 2024

From the Form 990-PF filed November 13, 2025, IRS object ID 202533179349100043. It reported $5,725,000 in grants paid; 6 grants to organizations are listed.

RecipientLocationPurposeCauseAmountSource
Community Foundation of the Florida KeysKey West, FLUnrestrictedPhilanthropy, voluntarism and grantmaking foundations$1,487,500apps.irs.gov
United Way of Collier and the KeysNaples, FLUnrestrictedPhilanthropy, voluntarism and grantmaking foundations$1,487,500apps.irs.gov
Communities Foundation of OklahomaOklahoma City, OKUnrestrictedPhilanthropy, voluntarism and grantmaking foundations$1,000,000apps.irs.gov
New Hampshire Charitable FoundationConcord, NHUnrestrictedPhilanthropy, voluntarism and grantmaking foundations$1,000,000apps.irs.gov
Grace Jones Community CenterMarathon, FLUnrestrictedHuman services$500,000apps.irs.gov
Florida Keys Children's ShelterTavernier, FLUnrestricted$250,000apps.irs.gov

Causes funded

From grants whose recipient has a cause.

States funded

Recipient stateGranted
Florida$3,725,000
Oklahoma$1,000,000
New Hampshire$1,000,000

Also on SpecStream

Updated November 13, 2025. Read from IRS Form 990-PF e-file data. Public domain (U.S. government work). Grants are as each foundation reported them to the IRS on its Form 990-PF. Grants to individuals are left out. A grant has a cause only where the recipient's name and city match one organization in the IRS Business Master File, and the cause is that organization's NTEE major group. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.