· Private foundation
Robert Day Foundation
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.
| Recipient | Amount |
|---|---|
| CLAREMONT MCKENNA COLLEGE | $6,500,000 |
| WESTRIDGE SCHOOL FOR GIRLS | $250,000 |
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 (FY22–22, $25k) land where the poverty rate runs at 14%, against an area that typically sits at 11%. 100% 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.
And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +89% since the first grant, against +51% for the ones you funded once.
4 repeat relationships — 2 still active in FY2024, 2 since wound down.
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, 100% of grant dollars renewed an existing relationship; $0 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
- CMClaremont McKenna College6× · 2017–2024 · $36M · revenue +89%
- WSWESTRIDGE SCHOOL FOR GIRLS INC3× · 2022–2024 · $1.0M · revenue +4%
- CFCDA FUTBOL CLUB3× · 2020–2022 · $15k · revenue +142%
Funded once
- HEHENRY E HUNTINGTON LIBRARY AND ART GALLERYgraduatedone grant, 2017 · $50k · revenue +99%
- TGTHE GEORGE W BUSH FOUNDATIONone grant, 2017 · $50k · revenue -17%
- CFCenter for Study of the Presidencyone grant, 2017 · $50k
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.
Provide an independent forum for those who dare to read, think, speak, and write to advance the professional, literary, and scientific understanding of sea power and other issues critical to global security.
The association serves its members by creating resources that enable california school administrators to develop and apply creative leadership and management skills and in turn, improve the educational process for all students.
The mission of rhode island school of design, through its college and museum,is to educate its students and the public in the creation and (see schedule o)appreciation of works of art and design, to discover and transmit knowledge and to…
See schedule o for the organization's mission statement.please see description for part i, line 1, above.
California college of the arts educates students to shape culture and society through the practice and critical study of art, architecture, design, and writing. benefitting from its san francisco bay area location, the college prepares…
The mission of mit is to advance knowledge and educate students in science, technology, and other areas of scholarship that will best serve the nation and the world in the 21st century.
Claremont Graduate University prepares individuals to be leaders for positive change in the world. Unique in its transdisciplinary approach, the University is dedicated to the creation, dissemination, and application of new knowledge and…
The ucla foundation is the giving, receiving, and investing arm of the ucla campus. the foundation enables private donors to help build, sustain and advance one of the world's finest academic and research institutions. private philanthropy…
Carlthorp school is an independent, nonprofit day school for children in grades k-6. carlthorp school provides a strong academic foundation in a diverse and nurturing school community that emphasizes traditional values, disciplined work…
The scripps research institute ("tsri") performs high impact basic biomedical research, improves the human condition by fostering translation of its discoveries into useful products and engages in the highest quality graduate scientific…
The Television Academy is dedicated to celebrating excellence, innovation and the advancement of the telecommunications arts and sciences through recognition, education and leadership, while fostering a diverse, inclusive and accessible…
The catalina island conservancy protects and stewards 88% of catalina island. more than 42,000 acres of wildlands, coves and coastal habitats. founded to preserve the island's natural resources, the conservancy advances a mission rooted in…
For reference, the grantee most central to the portfolio’s shape is Sheriff's Meadow Foundation and the most unlike its peers is Henry E Huntington Library and Art Gallery. 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 33 years old; the field is 14. You back the established end — and your money leans older still.
The field is 24% startups (under 5 years old) — 0% of your grantees by number, and just 0% of your money.
The orgs you fund almost never close — 4% lost their exemption, against 14% 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.
22 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. 22 of the 27 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 Claremont McKenna College ↗
- Who funds WESTRIDGE SCHOOL FOR GIRLS INC ↗
- Who funds CENTER FOR THE STUDY OF THE PRESIDENCY & CONGRESS ↗
- Who funds HENRY E HUNTINGTON LIBRARY AND ART GALLERY ↗
- Who funds THE GEORGE W BUSH FOUNDATION ↗
- Who funds CATE SCHOOL ↗
- Who funds Men Taking Over Reforming Society Inc ↗
- Who funds CHARITIES AID FOUNDATION AMERICA ↗
- Who funds ARIZONA STATE UNIVERSITY FOUNDATION FOR A NEW AMERICAN UNIVERSITY ↗
- Who funds CDA FUTBOL CLUB ↗
- Who funds MARTHA'S VINEYARD PRESERVATION TRUST INC ↗
- Who funds BLOOD CANCER UNITED INC ↗
- Who funds WESTHOFF COMMUNITY CLUB ↗
- Who funds ISRAEL CANCER RESEARCH FUND INC ↗
- Who funds SHERIFF'S MEADOW FOUNDATION ↗
- Who funds SAIL MARTHA'S VINEYARD INC ↗
- Who funds PETERSEN AUTOMOTIVE MUSEUM FOUNDATION ↗
- Who funds CHP 11-99 FOUNDATION ↗
- Who funds SEEDS OF PEACE INC ↗
- Who funds MARTHA'S VINEYARD AGRICULTURAL SOCIETY INC ↗
- Who funds La Mirada Soccer Association Inc ↗
- Who funds ISLAND GROWN INITIATIVE LTD ↗
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: Wm Keck Foundation · The Goldman Sachs Charitable Gift Fund · Morgan Stanley Global Impact Funding Trust Inc · National Philanthropic Trust · The Bank of America Charitable Foundation Inc · Vanguard Charitable Endowment Program · American Online Giving Foundation Inc · Donor Advised Charitable Giving 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 Robert Day 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.
- Martha's Vineyard Preservation Trust Inc — 4% of income from government
- Sheriff's Meadow Foundation — 2% of income from government
- Sail Martha's Vineyard Inc — 1% of income from government
- Island Grown Initiative Ltd — 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 Robert Day Foundation?
Find your warmest path to Robert Day 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.