· Private foundation
The Marion & Maximilian Hoffman Foundation Inc
Its FY2025 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 clustered by its grantee’s IRS cause code (NTEE), by year — across FY2020–2025.
Where the money goes
Your grants by size, and where they go.
By grant size · FY2025
- Under $10k1 grant · $5k
- $10k–50k13 grants · $355k
- $50k–250k5 grants · $300k
- $250k+1 grant · $700k
| Recipient | Amount |
|---|---|
| Hoffman Center | $700,000 |
| The Caumsett Foundation Inc | $100,000 |
| East Norwich Volunteer Fire Company | $50,000 |
| St Jude Childrens Research Hospital | $50,000 |
| RENAISSANCE RESCUE INC | $50,000 |
| Wildlife Center of Long Island | $50,000 |
| City Meals on Wheels | $35,000 |
| Long Island Cares | $35,000 |
| SPLASHES OF HOPE | $35,000 |
| Life Enrichment Center at Oyster Bay | $30,000 |
| Collaboration Education Inc | $30,000 |
| Veteran's of Foreign Wars | $30,000 |
| The Interfaith Nutrition Network Inc DBA The INN | $30,000 |
| Tunnel to Towers | $30,000 |
| Long Island Children's Museum | $30,000 |
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 (FY23–25, $195k) land where the poverty rate runs at 6%, against an area that typically sits at 7%. 69% 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.
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.
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.
17 repeat relationships — 17 still active in FY2025, 0 since wound down; 3 grantees were first funded in FY2025 (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 FY2025, 97% of grant dollars renewed an existing relationship; $45k 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
- RRRENAISSANCE RESCUE4× · 2022–2025 · $180k · revenue +53%
- SOSPLASHES OF HOPE INC4× · 2022–2025 · $135k · revenue +34%
- CCITYMEALS-ON-WHEELS3× · 2023–2025 · $110k · revenue +6%
Funded once
- IGIndividual grant recipientone grant, 2020 · $50k
- CACOVE ANIMAL RESCUE CORPORATIONone grant, 2023 · $30k · revenue -7%
- FOFRIENDS OF THE BAY INCone grant, 2023 · $20k · revenue +9%
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.
The Museum's mission is to encourage and promote the appreciation of fine art to people in its surrounding communities and beyond. The Museum is dedicated to fostering a deeper understanding of the arts, with particular emphasis on the…
Cow Neck Peninsula Historical Societys purpose is to 1 educate the public about this geographical area and 2 to preserve this area for future generations
The stated purpose of the museum shall be:a.to preserve long island's maritime history and heritage for educational purposes.b.to purchase, collect, restore and preserve boats, vessels and related equipment having to do with the past and…
The purpose of the montauk historical society is to collect, restore, preserve and display historically significant buildings, objects and writings and to preserve and share the history and cultures of montauk and the east end for this and…
To create memorable guest experiences which promote actions to help save species, habitats, and the communities who share those same landscapes
Founded in 1881 the Staten Island Museum engages visitors with interdisciplinary exhibitions, public programs, and educational activities for all ages. It is the mission of the Staten Island Museum to spark curiosity and generate…
To research beach erosion in east hampton, new york
For reference, the grantee most central to the portfolio’s shape is Center for Marine Education & Recreation and the most unlike its peers is Hoffman Center. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.
Your grantees are a median of 34 years old; the field is 17. You back the established end — and your money leans older still.
The field is 19% startups (under 5 years old) — 4% of your grantees by number, and just 1% of your money.
The orgs you fund almost never close — 0.0% 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.
23 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. 23 of the 32 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 Hoffman Center ↗
- Who funds CAUMSETT FOUNDATION INC ↗
- Who funds RENAISSANCE RESCUE ↗
- Who funds WILDLIFE CENTER OF LONG ISLAND INC ↗
- Who funds SPLASHES OF HOPE INC ↗
- Who funds CITYMEALS-ON-WHEELS ↗
- Who funds ST JUDE CHILDREN'S RESEARCH HOSPITAL INC ↗
- Who funds Long Island Cares Inc ↗
- Who funds LONG ISLAND CHILDREN'S MUSEUM ↗
- Who funds STEPHEN SILLER TUNNEL TO TOWERS FOUNDATION ↗
- Who funds DOUBLEDAY BABCOCK SENIOR CENTER INC DBA THE LIFE ENRICHMENT CENTER AT OYSTER BAY ↗
- Who funds ISLAND HARVEST LTD ↗
- Who funds COVE ANIMAL RESCUE CORPORATION ↗
- Who funds COLLABORATION EDUCATION INC ↗
- Who funds FRIENDS OF THE BAY INC ↗
- Who funds ST MICHAEL'S HOME INC ↗
- Who funds HUDSON RIVER MUSEUM OF WESTCHESTER ↗
- Who funds JANICE MICHELLE FOUNDATION INC ↗
- Who funds CENTER FOR MARINE EDUCATION & RECREATION ↗
- Who funds NASSAU COUNTY SPCA INC ↗
- Who funds HUNTINGTON HISTORICAL SOCIETY ↗
- Who funds PATRICIA H LADEW FOUNDATION INC ↗
- Who funds NORTH SHORE HISTORICAL MUSEUM INC ↗
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: The Bahnik Foundation Inc · Robert David Lion Gardiner Foundation Inc · The New York Community Trust · The Pfizer Foundation Inc · The Bank of America Charitable Foundation Inc · Morgan Stanley Global Impact Funding Trust Inc · National Philanthropic Trust · Donor Advised Charitable Giving Inc · American Online Giving Foundation Inc · Fidelity Investments Charitable Gift Fund · Amazonsmile 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 The Marion & Maximilian Hoffman 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.
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 The Marion & Maximilian Hoffman Foundation Inc?
Find your warmest path to The Marion & Maximilian Hoffman 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.