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Data / Foundation grants / The Mayday Fund

The Mayday Fund: 9 grants to organizations, $820,355 (tax year ended December 2024)

The Mayday Fund, a private foundation in New York, NY, paid 9 grants to organizations totaling $820,355 in its tax year ended December 2024, according to its Form 990-PF filed with the IRS on June 4, 2025. The largest was $220,000 to Jackson Laboratories in Farmington, CT for decoding endometriosis: spatial dynamics and symptoms.

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
384117113
Based in
New York, NY
Assets
$36,170,300
Grants paid
$820,355
Tax year ended
December 2024

Grants paid, tax year ended December 2024

From the Form 990-PF filed June 4, 2025, IRS object ID 202511559349100516. It reported $820,355 in grants paid; 9 grants to organizations are listed.

RecipientLocationPurposeCauseAmountSource
Jackson LaboratoriesFarmington, CTDecoding endometriosis: spatial dynamics and symptoms$220,000apps.irs.gov
Chapel and York Us Foundation - University of South AustraliaNew York, NYIdentifying social factors that stratify health opportuities and outcomes project$199,668apps.irs.gov
Cold Spring Harbor LaboratoryCold Spring Harbor, NYResearch using click chemistry for painScience and technology$118,983apps.irs.gov
United States Association for the Study of Pain (usasp)Annapolis, MDClinical translational research awards for young investigators$110,000apps.irs.gov
Boston Children's HospitalBoston, MAInovate vr pain program$93,500apps.irs.gov
Ucsf Benioff Children's Hospitals FoundationOakland, CAGeneral operating support$48,054apps.irs.gov
University of SherbrookeMontreal, CANorth american pain school correspondents science communications program$26,000apps.irs.gov
Council On FoundationsWashington, DCGeneral operating supportPhilanthropy, voluntarism and grantmaking foundations$3,000apps.irs.gov
Philanthropy New YorkNew York, NYGeneral operating support$1,150apps.irs.gov

Causes funded

From grants whose recipient has a cause.

States funded

Recipient stateGranted
New York$319,801
Connecticut$220,000
Maryland$110,000
Massachusetts$93,500
California$48,054
District of Columbia$3,000

Also on SpecStream

Updated June 4, 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.