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Data / Foundation grants / The Mesdag Family Foundation

The Mesdag Family Foundation: 46 grants to organizations, $810,200 (tax year ended March 2025)

The Mesdag Family Foundation, a private foundation in Los Angeles, CA, paid 46 grants to organizations totaling $810,200 in its tax year ended March 2025, according to its Form 990-PF filed with the IRS on February 15, 2026. The largest was $100,000 to Aspen Music Festival and School in Aspen, CO for general support.

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
133651269
Based in
Los Angeles, CA
Assets
$18,309,866
Grants paid
$810,200
Tax year ended
March 2025

Grants paid, tax year ended March 2025

From the Form 990-PF filed February 15, 2026, IRS object ID 202600469349100255. It reported $810,200 in grants paid; 46 grants to organizations are listed.

RecipientLocationPurposeCauseAmountSource
Aspen Music Festival and SchoolAspen, COGeneral support$100,000apps.irs.gov
Princeton UniversityPrinceton, NJGeneral supportEducation$75,000apps.irs.gov
Harvard-Westlake SchoolStudio City, CAGeneral supportEducation$60,000apps.irs.gov
St Monica's Catholic ChurchSan Louis, MOGeneral support$60,000apps.irs.gov
Obama FoundationChicago, ILGeneral support$55,600apps.irs.gov
Goldman Sachs Philanthropy FundNew York City, NYGeneral support$50,000apps.irs.gov
La Clippers Fire AidInglewood, CAGeneral support$50,000apps.irs.gov
Theater AspenAspen, COGeneral support$35,000apps.irs.gov
Pacific Council On International PolicyLos Angeles, CAGeneral supportInternational, foreign affairs and national security$34,600apps.irs.gov
Colorado AcademyDenver, COGeneral supportEducation$30,000apps.irs.gov
Aspen Center for Enviromental StudiesAspen, COGeneral support$25,000apps.irs.gov
Kellogg School of ManagementEvanston, ILGeneral support$15,000apps.irs.gov
Aspen Art MuseumAspen, COGeneral supportArts, culture and humanities$10,000apps.irs.gov
Aspen Community FoundationBasalt, COGeneral supportPhilanthropy, voluntarism and grantmaking foundations$10,000apps.irs.gov
Aspen InstituteWashington, DCGeneral supportSocial science$10,000apps.irs.gov
Aspen Valley Land TrustCarbondale, COGeneral supportEnvironment$10,000apps.irs.gov
Council On Foreign RelationsNew York, NYGeneral supportInternational, foreign affairs and national security$10,000apps.irs.gov
Heal the BaySanta Monica, CAGeneral supportEnvironment$10,000apps.irs.gov
Independence Pass FoundationCarbondale, COGeneral support$10,000apps.irs.gov
International Medical CorpsLos Angeles, CAGeneral supportInternational, foreign affairs and national security$10,000apps.irs.gov
International Rescue CommitteeNew York, NYGeneral supportInternational, foreign affairs and national security$10,000apps.irs.gov
Los Angeles Fire Department FoundationLos Angeles, CAGeneral supportPublic safety, disaster preparedness and relief$10,000apps.irs.gov
Los Angeles Library FoundationLos Angeles, CAGeneral support$10,000apps.irs.gov
Los Angeles MissionLos Angeles, CAGeneral supportHousing and shelter$10,000apps.irs.gov
Los Angeles PhilharmonicLos Angeles, CAGeneral support$10,000apps.irs.gov
Northwestern UniversityEvanston, ILGeneral supportRecreation and sports$10,000apps.irs.gov
Ocean CleanupNew York, NYGeneral support$10,000apps.irs.gov
Tenth Mountain DivisionLakewood, COGeneral support$10,000apps.irs.gov
Books for KidsNew York, NYGeneral support$5,000apps.irs.gov
Denver Public LibraryDenver, COGeneral support$5,000apps.irs.gov
KVSC - 881FM RadioSt Cloud, MNGeneral support$5,000apps.irs.gov
La Plata Open Space ConservatoryLos Angeles, CAGeneral support$5,000apps.irs.gov
Planet WordWashington, DCGeneral support$5,000apps.irs.gov
St Judes Children HospitalMemphis, TNGeneral support$5,000apps.irs.gov
St Matthews ParishPacific Palisades, CAGeneral support$5,000apps.irs.gov
St Matthews Parish SchoolSan Mateo, CAGeneral support$5,000apps.irs.gov
Team RubiconEl Segundo, CAGeneral support$5,000apps.irs.gov
Wilderness Land TrustHelena, MTGeneral supportEnvironment$5,000apps.irs.gov
Prospect Foundation (tiger Inn Account)North Sutton, NHGeneral support$2,000apps.irs.gov
West Point HockeyWest Point, NYGeneral support$2,000apps.irs.gov
Colorado BalletDenver, COGeneral supportArts, culture and humanities$1,000apps.irs.gov
Denver Art MuseumDenver, COGeneral supportArts, culture and humanities$1,000apps.irs.gov
Denver Botanical GardenDenver, COGeneral support$1,000apps.irs.gov
Denver Museum of Nature & ScienceDenver, COGeneral support$1,000apps.irs.gov
Denver ZooDenver, COGeneral support$1,000apps.irs.gov
Museum of Contemporary Art DenverDenver, COGeneral support$1,000apps.irs.gov

Grants paid, tax year ended March 2024

From the Form 990-PF filed February 17, 2025, IRS object ID 202500489349100410. It reported $822,700 in grants paid; 55 grants to organizations are listed.

RecipientLocationPurposeCauseAmountSource
Goldman Sachs Philanthropy FundNew York City, NYGeneral support$100,000apps.irs.gov
Aspen Music Festival and SchoolAspen, COGeneral support$91,000apps.irs.gov
Princeton UniversityPrinceton, NJGeneral supportEducation$75,000apps.irs.gov
Harvard-Westlake SchoolStudio City, CAGeneral supportEducation$60,000apps.irs.gov
Obama FoundationChicago, ILGeneral support$50,000apps.irs.gov
St Monicas Catholic CommunitySanta Monica, CAGeneral support$50,000apps.irs.gov
Aspen Center for Enviromental StudiesAspen, COGeneral support$27,700apps.irs.gov
Theater AspenAspen, COGeneral support$25,000apps.irs.gov
Visible FiguresAlexandria, VAGeneral supportHuman services$25,000apps.irs.gov
Colorado AcademyDenver, COGeneral supportEducation$20,000apps.irs.gov
Renegade Relief FoundationNashville, TNGeneral support$20,000apps.irs.gov
Kellogg School of ManagementEvanston, ILGeneral support$15,000apps.irs.gov
Aspen Art MuseumAspen, COGeneral supportArts, culture and humanities$10,000apps.irs.gov
Aspen Community FoundationBasalt, COGeneral supportPhilanthropy, voluntarism and grantmaking foundations$10,000apps.irs.gov
Aspen InstituteWashington, DCGeneral supportSocial science$10,000apps.irs.gov
Aspen Valley Land TrustCarbondale, COGeneral supportEnvironment$10,000apps.irs.gov
Council On Foreign RelationsNew York, NYGeneral supportInternational, foreign affairs and national security$10,000apps.irs.gov
Heal the BaySanta Monica, CAGeneral supportEnvironment$10,000apps.irs.gov
Humanity in Action IncBrooklyn, NYGeneral supportCivil rights, social action and advocacy$10,000apps.irs.gov
Independence Pass FoundationCarbondale, COGeneral support$10,000apps.irs.gov
International Medical CorpsLos Angeles, CAGeneral supportInternational, foreign affairs and national security$10,000apps.irs.gov
International Rescue CommitteeNew York, NYGeneral supportInternational, foreign affairs and national security$10,000apps.irs.gov
Los Angeles Fire Department FoundationLos Angeles, CAGeneral supportPublic safety, disaster preparedness and relief$10,000apps.irs.gov
Los Angeles Library FoundationLos Angeles, CAGeneral support$10,000apps.irs.gov
Los Angeles MissionLos Angeles, CAGeneral supportHousing and shelter$10,000apps.irs.gov
Los Angeles PhilharmonicLos Angeles, CAGeneral support$10,000apps.irs.gov
Northwestern UniversityEvanston, ILGeneral supportRecreation and sports$10,000apps.irs.gov
Pacific Council On International PolicyLos Angeles, CAGeneral supportInternational, foreign affairs and national security$10,000apps.irs.gov
St Matthews ParishPacific Palisades, CAGeneral support$10,000apps.irs.gov
Tenth Mountain DivisionLakewood, COGeneral support$10,000apps.irs.gov
Clean Air Task ForceBoston, MAGeneral supportEnvironment$5,000apps.irs.gov
Conservation ColoradoDenver, COGeneral supportCivil rights, social action and advocacy$5,000apps.irs.gov
Denver Public LibraryDenver, COGeneral support$5,000apps.irs.gov
Environmental Defense FundNew York, NYGeneral supportEnvironment$5,000apps.irs.gov
Equal Justice InitiativeMontgomery, ALGeneral supportCivil rights, social action and advocacy$5,000apps.irs.gov
La Plata Open Space ConservancyLos Angeles, CAGeneral support$5,000apps.irs.gov
Planet WordWashington, DCGeneral support$5,000apps.irs.gov
Rainforest Foundation UsBrooklyn, NYGeneral support$5,000apps.irs.gov
Rocky Mountain InstituteBoulder, COGeneral support$5,000apps.irs.gov
Sierra Club of CaliforniaOakland, CAGeneral support$5,000apps.irs.gov
Sierra Club of ColoradoDenver, COGeneral support$5,000apps.irs.gov
St Judes Children HospitalMemphis, TNGeneral support$5,000apps.irs.gov
Team RubiconEl Segundo, CAGeneral support$5,000apps.irs.gov
Wilderness Land TrustHelena, MTGeneral supportEnvironment$5,000apps.irs.gov
Prospect Foundation (tiger Inn Account)North Sutton, NHGeneral support$2,000apps.irs.gov
The Rape FoundationSanta Monica, CAGeneral support$2,000apps.irs.gov
West Point HockeyWest Point, NYGeneral support$2,000apps.irs.gov
Church of the AcensionDenver, COGeneral support$1,000apps.irs.gov
Colorado BalletDenver, COGeneral supportArts, culture and humanities$1,000apps.irs.gov
Denver Art MuseumDenver, COGeneral supportArts, culture and humanities$1,000apps.irs.gov
Denver Botanical GardenDenver, COGeneral support$1,000apps.irs.gov
Denver Museum of Nature & ScienceDenver, COGeneral support$1,000apps.irs.gov
Denver ZooDenver, COGeneral support$1,000apps.irs.gov
Everychild FoundationPacific Palisades, CAGeneral supportHuman services$1,000apps.irs.gov
Museum of Contemporary Art DenverDenver, COGeneral support$1,000apps.irs.gov

Causes funded

From grants whose recipient has a cause.

States funded

Recipient stateGranted
Colorado$491,700
California$432,600
New York$229,000
Illinois$155,600
New Jersey$150,000
Missouri$60,000
District of Columbia$30,000
Tennessee$30,000

Also on SpecStream

Updated February 15, 2026. 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.