Mason Foundation Inc
EIN 36-3101263 · 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: 85 grants · $1.4m
Who it funds most
11 of its 11 grantees were funded in more than one year.
Mason Foundation Inc's own IRS 990-PF returns, as filed, in USD
Who funds the same organisations
Counted over its 11 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 202522199349100407
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 returns7 filings
| Tax year | Form | Filing | Where to read it |
|---|---|---|---|
| 2025 | IRS 990-PF | 202621469349100222 | IRS batch file |
| 2024 | IRS 990-PF | 202522199349100407 | IRS batch file |
| 2023 | IRS 990-PF | 202401179349101315 | IRS batch file |
| 2022 | IRS 990-PF | 202321299349103827 | IRS batch file |
| 2021 | IRS 990-PF | 202242359349100819 | IRS batch file |
| 2020 | IRS 990-PF | 202132329349101208 | IRS batch file |
| 2018 | IRS 990-PF | 201901209349101010 | 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
Mason Foundation Inc made 162 grants across 2018–2025, totalling $2.6m as filed.
- Grants
- 162
- Total, as filed
- $2.6m
- Years
- 2018–2025
- Filed in
- USD
Who it funds
| Organisation | Grants | Total |
|---|---|---|
| ART INSTITUTE OF CHICAGO AND SCHOOL OF THE ART INSTITUTE OF CHICAGO | 7 | $349.0k |
| LAKE FOREST COLLEGE | 7 | $274.0k |
| MARINE CORPS SCHOLARSHIP FOUNDATION | 7 | $246.0k |
| HOOVER INSTITUTION AT STANFORD UNIVERSITY | 7 | $200.0k |
| VASSAR COLLEGE | 7 | $156.0k |
| CHICAGO SYMPHONY ORCHESTRA | 7 | $138.0k |
| RAVINIA FESTIVAL AND RAVINIA STEANS MUSIC INSTITUTE | 7 | $129.0k |
| FIRST CHURCH OF CHRIST SCIENTIST - LIBERTYVILLE | 6 | $128.0k |
| LYRIC OPERA OF CHICAGO | 7 | $128.0k |
| INTERNATIONAL CRANE FOUNDATION | 7 | $123.0k |
| JOHN G SHEDD AQUARIUM | 7 | $123.0k |
| FIRST CHURCH OF CHRIST SCIENTIST - BOSTON | 6 | $72.0k |
| GOLDEN APPLE FOUNDATION | 7 | $63.0k |
| OUTWARD BOUND YOUTH AT RISK | 5 | $48.0k |
| LAKE FOREST-LAKE BLUFF HISTORICAL SOCIETY | 4 | $45.0k |
By year
| Year | Grants | Total |
|---|---|---|
| 2018 | 24 | $283.0k |
| 2020 | 24 | $292.0k |
| 2021 | 23 | $310.0k |
| 2022 | 23 | $453.0k |
| 2023 | 23 | $394.0k |
| 2024 | 22 | $381.0k |
| 2025 | 23 | $502.0k |
Where this came from
Identifier US-EIN-363101263. 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