Riverstyx Foundation
EIN 94-3373712 · 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: 103 grants · $3.5m
Who it funds most
19 of its 86 grantees were funded in more than one year.
Riverstyx Foundation's own IRS 990-PF returns, as filed, in USD
Who funds the same organisations
Counted over its 40 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 202503189349103830
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
A year with no bar has no grants on file yet: its returns may not be loaded. It is not a year without giving.
Its returns6 filings
| Tax year | Form | Filing | Where to read it |
|---|---|---|---|
| 2024 | IRS 990-PF | 202503189349103830 | IRS batch file |
| 2023 | IRS 990-PF | 202423209349102872 | IRS batch file |
| 2022 | IRS 990-PF | 202313199349107346 | IRS batch file |
| 2021 | IRS 990-PF | 202223189349106297 | IRS batch file |
| 2020 | IRS 990-PF | 202133199349102933 | IRS batch file |
| 2018 | IRS 990-PF | 201933189349102108 | 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
Riverstyx Foundation made 220 grants across 2018–2023, totalling $7.7m as filed.
- Grants
- 220
- Total, as filed
- $7.7m
- Years
- 2018–2023
- Filed in
- USD
Who it funds
| Organisation | Grants | Total |
|---|---|---|
| MULTIDISCIPLINARY ASSOCIATION FOR PSYCHEDELIC STUDIES (MAPS) | 1 | $535.3k |
| HEFFTER RESEARCH INSTITUTE | 3 | $522.0k |
| INDIGENOUS MEDICINE CONSERVATION FUND | 2 | $452.0k |
| WOLF HAVEN INTERNATIONAL | 4 | $380.0k |
| CALIFORNIA WOLF CENTER | 3 | $302.5k |
| OUR CHILDREN'S TRUST | 1 | $250.0k |
| MAPS | 3 | $210.6k |
| ENDANGERED WOLF CENTER | 3 | $200.0k |
| STAND | 2 | $175.0k |
| WASHINGTON INNOCENCE PROJECT | 2 | $175.0k |
| COMPASS HEALTH | 2 | $159.7k |
| NATIONAL WILDLIFE FEDERATION | 2 | $150.0k |
| TIOGNAKA TAWOWAKAN OTOKAHE | 2 | $116.5k |
| BELOVED BUILDERS | 3 | $115.0k |
| FOOTLOOSE MONTANA | 1 | $115.0k |
By year
| Year | Grants | Total |
|---|---|---|
| 2018 | 54 | $1.7m |
| 2020 | 47 | $1.8m |
| 2021 | 35 | $1.2m |
| 2022 | 25 | $798.6k |
| 2023 | 59 | $2.2m |
Where this came from
Identifier US-EIN-943373712. 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