American Prairie Foundation

Bozeman, MT ·EIN 81-0541893 ·Grant funding profile from IRS 990 filings

American Prairie Foundation also makes grants — see its funder profile →

$18.0M received 50 funders 102 grants · 2020–2025

Who funds American Prairie Foundation?

American Prairie Foundation is funded by 50 grantmakers, led by Richard King Mellon Foundation ($6.0M), Slootman Family Foundation ($4.0M), Vanguard Charitable Endowment Program ($1.6M). In total, IRS Form 990 filings record $18.0M in grants to American Prairie Foundation between 2020–2025.

FunderTotal givenGrantsYears
Richard King Mellon Foundation$5,983,00022023–2024
Slootman Family Foundation$4,000,00032022–2024
Vanguard Charitable Endowment Program$1,623,00022021–2023
Centene Foundation$1,250,00052020–2023
Gs Donor Advised Philanthropy Fund$1,122,75032020–2024
The Ayco Charitable Foundation$786,00042021–2024
Head & Heart Foundation Tr 12319$600,00032021–2023
Igrb Foundation$500,00012023
M J Murdock Charitable Trust$500,00012022
Seadream Family Foundation Inc$340,85032022–2024
Silicon Valley Community Foundation$227,25042020–2024
Montana Community Foundation Inc$145,50032022–2024
The Annenberg Foundation$100,00012022
Law Foundation Inc$100,00012022
John and Kelly Hartman Foundation$75,00042021–2025
The Miller Family Foundation$75,00022021–2022
Harry L Willett Foundation C O Boyd Ryan$61,00022020–2024
Reiner Family Foundation$60,00032022–2024
The New York Community Trust$50,00012023
Community Foundation Boulder County$45,00012024
Mainwaring Family Foundation$45,00042020–2024
Hutton Family Foundation$40,00042021–2024
Oechsle Family Foundation Inc$34,00012023
The KCS Pacific Foundation Inc$30,00042020–2023
Dorothy Cate and Thomas F Frist$26,00022022–2024

Showing top 25 of 50 funders by total given.

What grants has American Prairie Foundation received?

Individual grants from IRS Form 990 filings, newest first

YearFunderPurposeAmount
2025John and Kelly Hartman FoundationCURRENT USE FOR CHARITABLE PURPOSES$15,000
2025Hazel Montague Hutcheson FoundationUNRESTRICTED GRANT$1,000
2024Richard King Mellon FoundationTO ACQUIRE MULTIPLE PROPERTIES TO ASSEMBLE A SHORT GRASS PRAIRIE ECOSYSTEM RESERVE IN NORTHCENTRAL MONTANA$4,500,000
2024Slootman Family FoundationGENERAL SUPPORT$1,500,000
2024The Ayco Charitable FoundationENVIRONMENT & ANIMAL PROTECTION$225,000
2024Seadream Family Foundation IncOur mission is to create one of the largest nature reserves in the United States, a refuge for people and wildlife preserved forever as part of Americas heritage.$143,900
2024Gs Donor Advised Philanthropy FundENVIRONMENT & ANIMAL PROTECTION$109,000
2024Silicon Valley Community FoundationEnvironment$54,000
2024Community Foundation Boulder CountyGENERAL SUPPORT$45,000
2024Montana Community Foundation IncGENERAL SUPPORT$40,000
2024I a O'shaughnessy FoundationGENERAL OPERATING FOR LAND PRESERVATION$25,000
2024Reiner Family FoundationGeneral & Unrestricted$25,000
2024Turner Foundation IncFURTHER ORG'S EXEMPT PURPOSE$25,000
2024John and Kelly Hartman FoundationCURRENT USE FOR CHARITABLE PURPOSES$15,000
2024Boston Foundation IncOperating Support/Annual Fund$10,000
2024Harry L Willett Foundation C O Boyd RyanGENERAL$10,000
2024Mainwaring Family FoundationGENERAL PURPOSE$10,000
2024Hutton Family FoundationSEE STATEMENT A$10,000
2024The Us Charitable Gift TrustFOR RECIPIENT'S EXEMPT PURPOSE$6,250
2024Falconwood FoundationGENERAL SUPPORT, UNRESTRICTED$5,000
2024The Shanahan Family CharitableGeneral Purpose$5,000
2024The Brooks FoundationGENERAL SUPPORT$2,084
2024The Ferris FoundationGENERAL$1,500
2024Dorothy Cate and Thomas F FristGENERAL SUPPORT.$1,000
2024John N & Lou C Conyngham Family CharitableUNRESTRICTED GIFT$500
2023Slootman Family FoundationGENERAL SUPPORT$1,500,000
2023Richard King Mellon FoundationTO ACQUIRE MULTIPLE PROPERTIES TO ASSEMBLE A 3.2-MILLION-ACRE SHORT GRASS PRAIRIE ECOSYSTEM RESERVE IN NORTH-CENTRAL MONTANA$1,483,000
2023Vanguard Charitable Endowment ProgramFOR RECIPIENT'S EXEMPT PURPOSE$559,500
2023Igrb FoundationGeneral Operating Support$500,000
2023The Ayco Charitable FoundationENVIRONMENT & ANIMAL PROTECTION$301,000

Showing 30 most recent of 102 recorded grants.

Frequently Asked Questions

Who funds American Prairie Foundation?

American Prairie Foundation is funded by 50 grantmakers, led by Richard King Mellon Foundation ($6.0M), Slootman Family Foundation ($4.0M), Vanguard Charitable Endowment Program ($1.6M). In total, IRS Form 990 filings record $18.0M in grants to American Prairie Foundation between 2020–2025.

Who is American Prairie Foundation's largest funder?

Richard King Mellon Foundation is the largest recorded funder of American Prairie Foundation, with $6.0M across 2 grants (2023–2024).

How much grant funding has American Prairie Foundation received?

IRS 990 filings record $18.0M in grants to American Prairie Foundation across 102 grants from 50 funders between 2020–2025. Filings are published on a delay, so recent grants may not appear yet.

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Grant data is drawn from IRS Form 990 filings via Grantable's GrantGraph™. Filings are published on a delay; recent grants may not appear yet.