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· Private foundation

The William L Richter Family Foundation

Its FY2024 filing reports that it accepted unsolicited grant applications.

$1.5M
Granted FY2024still arriving
6
Grants FY2024still arriving
4
States reached
$500k
Largest
01What you fund
01100% classified

What you funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year — across FY20192024.

Health$1.9MReligion$1.1MArts & Culture$500kYouth Development$225kRecreation & Sports$40kScience & Tech$14kPublic Safety & Disaster$10kPhilanthropy$10kOther$0
02FY2024 · 6 grants

Where the money goes

Your grants by size, and where they go.

By grant size · FY2024

  • $50k–250k2 grants · $100k
  • $250k+4 grants · $1.4M
$300,000
Median grant
4
States reached
$9.5M
Total assets
Largest grants
RecipientAmount
BRUCE MUSEUM INC$500,000
JUPITER MEDICAL CENTER$300,000
GREENWICH HOSPITAL$300,000
NYU LANGONE HEALTH$300,000
THE MARFAN FOUNDATION$50,000
NATIONAL JEWISH HEALTH$50,000
02The need
03

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.

show:

Dollar for dollar, your grants (FY19–24) land where the poverty rate runs at 12%, against an area that typically sits at 8%. 99% of your dollars go to grantees based in above-average-need neighborhoods. Most of your grants land in higher-need ZIPs.

area typical 8%FRIENDS OF HARVARD BASKETBALL: $10k → 16%THE MARFAN FOUNDATION: $50k → 6%NYU LANGONE HEALTH: $300k → 17%ADMIRALS COVE FDN: $10k → 11%GREENWICH REFORM SYNAGOGUE: $300k → 9%NATIONAL JEWISH HEALTH: $50k → 12%THE MAYHEW PROGRAM: $100k → 10%FRIENDS OF HARVARD BASKETBALL: $10k → 16%NYU SCHOOL OF MEDICINE: $50k → 17%JUPITER MEDICAL CENTER: $300k → 11%GREENWICH REFORM SYNAGOGUE: $300k → 9%THE MAYHEW PROGRAM: $50k → 10%FRIENDS OF HARVARD BASKETBALL: $10k → 16%NYU SCHOOL OF MEDICINE: $50k → 17%GREENWICH REFORM SYNAGOGUE: $200k → 9%THE MAYHEW PROGRAM: $50k → 10%FRIENDS OF HARVARD BASKETBALL: $10k → 16%PARKINSONS FDN: $420k → 17%ROUND HILL VOLUNTEER FIRE CO: $10k → 9%THE MAYHEW PROGRAM: $25k → 10%MICHAEL J FOX FDN: $420k → 17%FIRST TEE CONNECTICUT: $240k → 9%CONTRIBUTIONS PAID OUT LESS THAN 5000: $5k → 17%BRUCE MUSEUM INC: $500k → 9%CONTRIBUTIONS PAID OUT LESS THAN 5000: $2k → 17%FIRST TEE CONNECTICUT: $60k → 9%CONTRIBUTIONS PAID OUT LESS THAN 5000: $2k → 17%GREENWICH HOSPITAL: $300k → 9%CONTRIBUTIONS PAID OUT LESS THAN 5000: $100 → 17%CONTRIBUTIONS PAID OUT LESS THAN 5000: $100 → 17%TRUSTEES OF COLUMBIA UNIVERSITY: $5k → 17%0%20%40%50%more need →
grant to an above-average-need area below average· circle size = grant amount

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.

03Your edge
repeat funding

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.

49%of every dollar goes to organizations you’ve funded before.
$1.9M · 7 repeat orgs$1.9M to everyone else

And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +213% since the first grant, against +67% for the ones you funded once.

7 repeat relationships — 0 still active in FY2024, 7 since wound down; 6 grantees were first funded in FY2024 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

7
3

Total granted

$1.9M
$440k

Median revenue growth · since first grant

+213%
+67%

Still filing today

29%
100%

New vs renewed · share of each year

In FY2024, 0% of grant dollars renewed an existing relationship; $1.5M went to new ones.

50%100%’19’20’21’22’23’24
RenewedFirst-time

Where new relationships form · theme of each grantee’s first grant

’19’20’21’22’23’24
HealthArts & CulturePhilanthropyPublic Safety & DisasterOther

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

  • GR
    GREENWICH REFORM SYNAGOGUE INC
    3× · 2019–2021 · $800k
  • THE MICHAEL J FOX FOUNDATION FOR PARKINSON'S RESEARCH
    2× · 2019–2022 · $425k · revenue +213%
  • IG
    Individual grant recipient
    2× · 2021–2022 · $300k

Funded once

  • PARKINSON'S FOUNDATION INCgraduated
    one grant, 2022 · $420k · revenue +67%
  • RH
    ROUND HILL VOLUNTEER FIRE COMPANY INCgraduated
    one grant, 2021 · $10k · revenue +223%
  • AC
    ADMIRALS COVE FOUNDATION INC
    one grant, 2022 · $10k · revenue +21%

Repeat = funded in two or more distinct years; growth and survival are read from each grantee’s own subsequent IRS filings.

04Your field

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.

1
New York University

Nyu is a private university with approximately 60,000 matriculating students in 20 schools and institutes. nyu's primary missions are education, research and scholarship, and patient care.

Education
2
Sanford Burnham Prebys Medical Discovery Institute

Sanford burnham prebys medical discovery institute's mission is to advance the biomedical sciences by cultivating the next generation of scientific leaders, providing meaningful opportunities for researchers of all backgrounds to learn,…

Health
3
New York Genome Center Inc

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.

Health
4
Massachusetts Eye & Ear Infirmary

THE MASSACHUSETTS EYE AND EAR INFIRMARY ("THE INFIRMARY") IS A NOT-FOR-PROFIT TEACHING HOSPITAL CONDUCTING PATIENT CARE AND RESEARCH. THE INFIRMARY IS A TEACHING HOSPITAL OF HARVARD MEDICAL SCHOOL AND AN INTERNATIONAL CENTER FOR RESEARCH.…

Health
5
Fred Hutchinson Cancer Center

Fred hutch cancer center ("fred hutch") unites innovative research and compassionate care to prevent and eliminate cancer and infectious disease. continued on schedule o

Health
6
Mass General Brigham Incorporated & Affiliates Group Return

Mass general brigham incorporated is developing an integrated health care delivery system throughout the region that offers patients a continuum of coordinated, high-quality care.

Health
7
Yale New Haven Hospital

The mission of ynhh is to provide innovative and excellent patient care, teaching, research, and service to the communities it serves.

Health
8
The Johns Hopkins Hospital

For more than 125 years, the mission of the johns hopkins hospital has been to lead the world in the diagnosis and treatment of disease and to train tomorrow's great physicians, nurses and scientists. above all, we aim to provide the…

Health
9
Dana-Farber Cancer Institute Inc

The mission of dfci is to provide expert, compassionate, and equitable care to children, adults, and their families, while advancing the understanding, diagnosis, treatment, cure, and prevention of cancer and related diseases. we train new…

Health
10
University of Minnesota Physicians

University of minnesota physicians serves as the integrated group practice for the university of minnesota medical school full-time faculty to provide the highest quality healthcare to patients and their families.university of minnesota…

Health
11
The Jackson Laboratory

The purposes of the laboratory are scientific, medical, charitable, and educational. our mission is to discover precise genomic solutions for disease and empower the biomedical community.

Health
12
Memorial Sloan-Kettering Cancer Center

Leadership in the prevention, treatment, and cure of cancer through excellence, vision and cost effectiveness in patient care, outreach programs, research, and education.

Health

For reference, the grantee most central to the portfolio’s shape is Parkinson's Foundation Inc and the most unlike its peers is Round Hill Volunteer Fire Company Inc. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.

04the grantee network

12 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 20172025, not grant rows in a single year — so this will not match the grant count on the cover. 12 of the 18 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.

0
Load-bearing (≥25% of a budget)
2
Early backer (in before they grew)
12/12
Grantees still filing
8/12
Grew since you first funded

Where your money sits — by cause, then by grantee

GREENWICH REFORM SYNAGOGUE INC — $800,450 · OtherGREENWICH REFORM SYNAGOGUE INCIndividual grant recipient — $300,000 · OtherIndividual grant recipientNYU LANGONE HEALTH — $300,000 · OtherNYU LANGONE HEALTHMAYHEW — $225,000 · OtherMAYHEWNYU SCHOOL OF MEDICINE — $100,000 · OtherNYU SCHOOL OF MEDICINE+3 more — $98,700 · Other+3 moreTHE MICHAEL J FOX FOUNDATION FOR PARKINSON'S RESEARCH — $425,000 · HealthTHE MICHAEL J FOX FOUNDATION FOR PARKINSON'…PARKINSON'S FOUNDATION INC — $420,000 · HealthPARKINSON'S FOUNDATION INCGREENWICH HOSPITAL — $300,000 · HealthGREENWICH HOSPITALJupiter Medical Center Inc — $300,000 · HealthJupiter Medical Center IncNATIONAL JEWISH HEALTH — $50,000 · HealthBRUCE MUSEUM INC — $500,000 · Arts & CultureBRUCE MUSEUM I…President and Fellows of Harvard College — $13,500 · EducationTHE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK — $5,000 · EducationROUND HILL VOLUNTEER FIRE COMPANY INC — $10,000 · Public Safety & DisasterADMIRALS COVE FOUNDATION INC — $10,000 · Philanthropy
Other$1,824,150Health$1,495,000Arts & Culture$500,000Education$18,500Public Safety & Disaster$10,000Philanthropy$10,000

Each org by its size and your share of it — top-left is where you’re load-bearing

25%50%75%100%$1.0M$10M$100Mgrantee revenue →↑ your share of their budgetBRUCE MUSEUM INC — $500,000 over 1y, 4.7% of budgetTHE MICHAEL J FOX FOUNDATION FOR PARKINSON'S RESEARCH — $425,000 over 2y, 0.1% of budgetPARKINSON'S FOUNDATION INC — $420,000 over 1y, 0.8% of budgetGREENWICH HOSPITAL — $300,000 over 1y, 0.1% of budgetJupiter Medical Center Inc — $300,000 over 1y, 0.1% of budgetMAYHEW — $225,000 over 4y, 4.5% of budgetTHE MARFAN FOUNDATION INC — $50,000 over 1y, 0.9% of budgetNATIONAL JEWISH HEALTH — $50,000 over 1y, 0.0% of budgetPresident and Fellows of Harvard College — $13,500 over 3y, 0.0% of budgetROUND HILL VOLUNTEER FIRE COMPANY INC — $10,000 over 1y, 8.1% of budgetADMIRALS COVE FOUNDATION INC — $10,000 over 1y, 0.3% of budgetTHE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK — $5,000 over 1y, 0.0% of budget
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.

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 set of overlaps that mostly run through you, not between each other.

Fidelity Investments Charitable Gift FundMA6× affinity4 shared granteesties to 0 of 0Hover any node to trace its alignments.Compare side by side →

Open a dossier: Fidelity Investments Charitable Gift Fund

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 William L Richter Family Foundation 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, a single department, or state — and drag the year to watch it move.

2024
202122232425
no gov · 10%1%3%6%10%your share of their income ↑0%5%10%15%20%share of the org’s income from governmentmedian 2%
  • President and Fellows of Harvard College7% of income from government
  • Jupiter Medical Center Inc2% of income from government
  • Bruce Museum Inc0% of income from government
  • Greenwich Hospital0% of income from government
no gov moneyreceives it· size = income
1get no government money at all
2report government grants on their 990 we could not trace to a source (not plotted)
0rely on government for over half their income
⤢ axis zoomed · 0–20%
typical government reliance, FY2025

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.

05Through Plinth

Warm introductions · Powered by PlinthPlus

How do I get to The William L Richter Family Foundation?

Find your warmest path to The William L Richter Family Foundation 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.

On method. Every financial figure here is read directly from IRS e-file XML — your own 990/990-PF and the multi-year returns of the 18 grantees we resolved across every year we hold, several hundred filings in all (a different count from the grant rows on the cover, which are one fiscal year)— each linked to its source. Grantee achievements and outcomes are each organization’s own program-service reporting (Form 990, Part III); we read these as association with sustained funding — the foundation is one of several forces — suppress low-confidence name matches rather than guess, and say so where a figure rests on a single grant or filing. Not everything on this page is a filed figure, and the difference matters. Filed is what you reported on your return. Official is another government record about an organization, such as a federal award or a charity register, joined by name where no shared identifier exists. Resolved is an identity we worked out where the filing named a recipient without an EIN, kept only above a measured confidence threshold. Computed is arithmetic over those, like themes, portfolio clusters and co-funder strength. Context is a statistic about a place rather than about an organization, which is what the need overlay is: it describes the area a grantee’s address sits in, not where its work lands. Inferred is drawn by a model from text, like the partnerships read out of public news and organization websites. Each is labeled where it appears. How we build these →

Generated from your IRS Form 990-PF e-file return for fiscal year 2024, released 2024. Filings run roughly 12–24 months behind; figures are dated accordingly.

Source object · view filing

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