· Private foundation
John and Margo Catsimatidis Foundation Inc
Its FY2024 filing reports that it funds preselected organizations and did not take unsolicited requests; check the foundation's own site before ruling it out.
What you funded, over time
Every grant placed by its stated purpose and the recipient’s mission, by year — across FY2017–2024.
Where the money goes
Your grants by size, and where they go.
By grant size · FY2024
- Under $10k1 grant · $5k
- $10k–50k4 grants · $96k
- $50k–250k7 grants · $578k
| Recipient | Amount |
|---|---|
| New York Stem Cell Foundation Inc | $200,000 |
| Columbia University | $100,000 |
| WABC Radio Foundation | $71,000 |
| russian heritage foundation | $56,729 |
| Individual grant recipient | $50,000 |
| Alfred E Smith Memorial Foundation | $50,000 |
| Manhattan College | $50,000 |
| Greek Orthodox Ladies Philoptochos Society Inc | $35,000 |
| Greek Orthodox Church of the Hamptons | $21,000 |
| Loyola Early Learning Center Inc | $20,000 |
| Food Bank for New York City | $19,712 |
| Archdiocesan Cathedral Philoptochos society | $5,000 |
Do your dollars go where the need is?
Each grant placed by the hardship in its grantee’s ZIP, then read against the area’s typical level.
Your human-services grants (FY17–23, $146k) land where the poverty rate runs at 16%, against an area that typically sits at 11%. 78% of those dollars go to grantees based in above-average-need neighborhoods. Most of your grants land in higher-need ZIPs.
Matched: human-services grants are those whose grantee’s IRS cause code is Human Services. Placed by people below the poverty linein the grantee’s ZIP, averaged from the tracts in that ZIP; grantee ZIP can differ from where services are delivered.
Which US states your grants reach
US grants placed by each grantee’s ZIP, which can differ from where services are actually delivered. Need from public data — U.S. Census/ACS, CDC PLACES, Eviction Lab, USDA — shown as context about the area, never attributed to your giving.
Where the work is directed
The same grants, placed two ways — where each recipient sits, and where its stated purpose earmarks the money.
About 14% of John and Margo Catsimatidis Foundation Inc’s grant dollars are earmarked, by their stated purpose, for a different county than the recipient’s own address — money that lands at a nonprofit in one place but is meant to do its work in another. Read by recipient address, 81% of the giving stays in NY; read by stated purpose it is 78% — less of the work is directed home than the recipients' locations suggest.
Recipient view: each grant at its grantee’s ZIP, mapped to a county. Directed view: each grant at the county its stated purpose names, falling back to the recipient’s county when the purpose names no place; US grants only. A county shows only if it carries the top 95% of that view’s dollars. Purposes are read from the foundation’s own 990 grant descriptions.
Who you back again
Which organizations you funded more than once, and which you funded a single time. Each grantee is matched to its own filings.
And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +27% since the first grant, against +15% for the ones you funded once.
32 repeat relationships — 4 still active in FY2024, 28 since wound down; 7 grantees were first funded in FY2024 (too recent to call).
How the two cohorts compare
Organizations
Total granted
Median revenue growth · since first grant
Still filing today
New vs renewed · share of each year
In FY2024, 23% of grant dollars renewed an existing relationship; $446k went to new ones.
Where new relationships form · theme of each grantee’s first grant
First-time = a grantee’s first year in your filing window; renewed = funded in an earlier year too. As a portfolio matures the renewed share naturally climbs — once funded, an org stays “renewable” — so the signal is the years that buck it (a new-grantee intake wave). The earliest year is left-censored: relationships that predate the data read as “new.” Theme is the grantee’s IRS cause.
Backed again, and grew
- NYNew York University5× · 2018–2022 · $852k · revenue +59%
STEPHEN SILLER TUNNEL TO TOWERS FOUNDATION2× · 2021–2022 · $113k · revenue +112%- PAPOLICE ATHLETIC LEAGUE INC3× · 2020–2022 · $74k · revenue +27%
Funded once
- TCTeachers College Columbia Universityone grant, 2018 · $200k · revenue +11%
- GOGREEK ORTHODOX CHURCH OF THE HAMPTONS-DOMEone grant, 2017 · $150k
- TSTHE SEMINAR NETWORK INCgraduatedone grant, 2022 · $100k · revenue +170%
Repeat = funded in two or more distinct years; growth and survival are read from each grantee’s own subsequent IRS filings.
The map has a center of gravity: the average direction from the rest of the sector toward the organizations the foundation funds — the shape of its giving. Scoring every nonprofit along that direction surfaces the ones that look most like the portfolio. These are the closest matchesthat aren’t grantees — a resemblance in what they say they do, not a recommendation.
Operate a state-of-the-art, world-class genomic research center that creates and uses advanced genomics to understand the genetic basis of disease. for more information, see schedule o.
The foundation supports the law school in its mission to increase access to legal education to those from groups underrepresented in the profession and to prepare its graduates for public interest and public service practice.
The baruch college fund is an organization engaged in generating, encouraging and promoting the educational welfare of the students of the bernard m. baruch college of the city university of new york.
The graduate center foundation is committed to promoting and safe-guarding the success of the graduate center by raising funds and managing and investing donations for use by the graduate center. the board of trustees of the foundation…
Brief description of the organization's mission the purpose of the fund is to provide assistance to the families of new york city police officers and firefighters who have been killed in the line of duty. after the events of september 11,…
The primary mission is to encourage the advancement of freedom of speech and the press, study the scientific research in all related fields, promote education and to assist those involved in all endeavors relating to the dissemination of…
The foundation, a subsidiary of new york university, fosters legal education and research at new york university's school of law by awarding scholarships, making grants for educational purposes related to law, and supporting programs of…
Provide clinical instruction to and supervision of medical school students, interns and residents and, incident thereto, rendering professional services.
To educate students to be ethical and socially responsible leaders in a global community.
Provide clinical instruction to and supervision of medical school students, interns and residents and, incident thereto, rendering professional services.
For reference, the grantee most central to the portfolio’s shape is Community Foundation of Tampa Bay Inc and the most unlike its peers is Polish Army Veterans Association of America Foundation Inc. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.
For each theme you fund, this compares how the sector’s money is shifting with how your own giving is shifting.
Sector change and giving change are each shown relative to their own range, growing (right) or shrinking (left); both normalized, so inflation isn’t mistaken for growth.
Your grantees are a median of 33 years old; the field is 18. You back the established end — and your money leans older still.
The field is 19% startups (under 5 years old) — 2% of your grantees by number, and just 4% of your money.
The orgs you fund almost never close — 0.8% lost their exemption, against 10% of the field you don’t fund.
Age = years since IRS exemption (a founding proxy). “Closed” = auto-revocation for 3 years of non-filing — a floor on closure, not proof, and bigger established orgs lapse least. Association, not causation.
103 grantees tracked through their own filings, 2017–2025.
Each one resolved to its own IRS returns and tracked year by year — your grant beside their revenue from every source. Association, dated; never a causal claim.
Counted here: distinct organizations you funded across 2017–2025, not grant rows in a single year — so this will not match the grant count on the cover. 103 of the 169 grantees resolved in that span have returns of their own we could reconcile; the rest are funded organizations whose filings we could not track year by year.
Where your money sits — by cause, then by grantee
Each org by its size and your share of it — top-left is where you’re load-bearing
Go grantee by grantee — a decade per org, and how each moved after you funded them
A decade per grantee — revenue shaded, your grants as bars, all rows on one timeline.
- Who funds THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK ↗
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The grantmakers whose grantees overlap with yours far more than size alone predicts. Each orbits closer the stronger the alignment; the arcs between them show where they also fund each other. Here it reads as a tightly interlocked camp — most of these funders back each other's grantees too.
Open a dossier: May and Samuel Rudin Family Foundation Inc · Libra Global Philanthropies Foundation Inc · Martin D & Jean Shafiroff Foundation · The Riggio Foundation · Metropoulos Family Foundation · The George and Judy Marcus Family Foundation II · Jewish Communal Fund · Al & Peggy Dematteis Family Foundation · The Goldman Sachs Charitable Gift Fund · Robin Hood Foundation · The James & Theodore Pedas Family Foundation Inc · Brooklyn Community Foundation
Affinity is a Gamma-Poisson posterior co-funding rate, re-centered on the typical rate, so thin evidence shrinks toward no signal. A research starting point: overlap is association, not proof of shared intent.
Government reliance of your grantees
Every dot is one organization John and Margo Catsimatidis Foundation Inc funds. Left–right is the share of its income from government; up–down is the share from you. Bigger dots raise more. Filter to federal or a single department — and drag the year to watch it move.
- Florida Holocaust Museum Inc — 0% of income from government
Government income is each org’s traced federal awards (USASpending — grants and contracts) plus state payments (open checkbooks) as a share of its total revenue (IRS Form 990); the self-reported government-grant line (990 line 1e) is carried for cross-check: a grantee that reports government grants we could not trace to a source is left off the chart rather than shown as receiving none. An association, not a claim that your grant caused the public funding. Coverage is precision-first — a floor, not a census; state records exist for 9 states, so a grantee outside them shows no state figure (dimmed) rather than a false zero. Federal award amounts are obligations, which can span years, so a single-year share is indicative. 990 filings lag 12–24 months.
Warm introductions · Powered by PlinthPlus
How do I get to John and Margo Catsimatidis Foundation Inc?
Find your warmest path to John and Margo Catsimatidis Foundation Inc through trustees and officers whose names appear on both boards. Search for your organization and Plinth traces the shortest route it can evidence.
Each link is a name appearing on two organizations’ public IRS 990 filings, matched on that name and, where the filings support it, on location. A same-state match has geographic support, which is a second matching feature rather than confirmation that the two are one person; a cross-state one is the likeliest to be two people who share a name. Every hop shows its tier, low-confidence and distant paths are held back rather than guessed, and it is worth confirming the person before you use the introduction.