The Mayday Fund
EIN 38-4117113 · files IRS 990-PF
Where it gives
By cause and by place, from its own returns.
By cause
The cause each recipient registered with the IRS
Mostly grants abroad and recipients without a US registration. Shown, never hidden.
By place
Dollars received, by the recipient's state
half the top state or more10–50%2–10%under 2%
Grants abroad and place not on file: 49 grants · $3.4m
Who it funds most
6 of its 8 grantees were funded in more than one year.
The Mayday Fund's own IRS 990-PF returns, as filed, in USD
Who funds the same organisations
Counted over its 8 largest grantees, leaving out fiscal sponsors and donor-advised funds, which share an address rather than a cause. A fact, not a partnership.
Its board and officers
From its latest return.
Form 990PF Part VIII, tax year 2024, filing 202511559349100516
Name and title as its own return lists them. No pay, no address. A photograph appears only where the person's own organisation or a free licence publishes one, credited beside it; otherwise none. Anyone can ask to be removed: hello@philanova.ai.
Its money
What it gave, held and paid, by year.
Giving by year
Its returns5 filings
| Tax year | Form | Filing | Where to read it |
|---|---|---|---|
| 2024 | IRS 990-PF | 202511559349100516 | IRS batch file |
| 2023 | IRS 990-PF | 202443059349100204 | IRS batch file |
| 2022 | IRS 990-PF | 202322009349100507 | IRS batch file |
| 2021 | IRS 990-PF | 202222769349100702 | IRS batch file |
| 2020 | IRS 990-PF | 202143579349100414 | IRS batch file |
An IRS batch file holds many returns; the filing number finds this one inside it.
The record as filedEvery table this page has always shown, in full.open
The Mayday Fund made 71 grants across 2020–2024, totalling $4.5m as filed.
- Grants
- 71
- Total, as filed
- $4.5m
- Years
- 2020–2024
- Filed in
- USD
Who it funds
| Organisation | Grants | Total |
|---|---|---|
| UNIVERSITY OF CHICAGO MEDICAL CENTER | 3 | $525.2k |
| JACKSON LABORATORIES | 2 | $330.0k |
| UNITED STATES ASSOCIATION FOR THE STUDY OF PAIN (USASP) | 2 | $330.0k |
| UNIVERSITY OF WASHINGTON | 2 | $273.0k |
| OTTAWA HOSPITAL RESEARCH INSTITUTE | 2 | $249.8k |
| MASSACHUSETTS GENERAL HOSPITAL | 3 | $219.7k |
| UNIVERSITY OF TORONTO - UNIVERSITY HEALTH NETWORK | 2 | $201.7k |
| CHAPEL AND YORK US FOUNDATION - UNIVERSITY OF SOUTH AUSTRALIA | 1 | $199.7k |
| GEORGIA STATE UNIVERSITY | 2 | $187.0k |
| STANFORD UNIVERSITY MEDICAL SCHOOL | 2 | $165.0k |
| REGENTS OF THE UNIVERSITY OF CALIFORNIA | 2 | $159.0k |
| UNIVERSITY OF NORTH CAROLINA | 2 | $148.6k |
| THE HOSPITAL FOR SICK CHILDREN FOUNDATION | 2 | $136.3k |
| COLD SPRING HARBOR LABORATORY | 1 | $119.0k |
| BOSTON CHILDREN'S HOSPITAL | 2 | $108.4k |
By year
| Year | Grants | Total |
|---|---|---|
| 2020 | 17 | $922.4k |
| 2021 | 14 | $927.6k |
| 2022 | 15 | $1.1m |
| 2023 | 16 | $718.9k |
| 2024 | 9 | $820.4k |
Where this came from
Identifier US-EIN-384117113. Register: Internal Revenue Service (US). Machine-readable: JSON.
What this page does not know
- Wrong if: a figure recovered from a subtotal is read as the sum of the recovered rows. A subtotal divides onto a whole penny whatever its parts did, so rows the per-row rule refuses are inside these figures.
- What they say they exist to do
- What each grant was for
- What they fund, by theme
- Balance sheet and financials
- Who runs it
- Whether they accept proposals
- Their own record on the register
- No website on file
- Leadership not yet identified