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· Private foundation

The Seaver Endowment

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.

$332k
Granted FY2024still arriving
22
Grants FY2024still arriving
7
States reached
$62k
Largest
01What it funds
01100% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2017 to 2024.

Arts & Culture$562kEducation$543kCrime & Legal$315kPublic Benefit$295kCivil Rights$260kHealth$104kSocial Science$101kRecreation & Sports$92kOther$0
02FY2024 · 22 grants

Where the money goes

Grants by size, and the largest recipients.

By grant size · FY2024

  • Under $10k11 grants · $25k
  • $10k–50k10 grants · $245k
  • $50k–250k1 grant · $62k
$10,000
Median grant
7
States reached
$3.9M
Total assets
Largest grants
RecipientAmount
POMONA COLLEGE$62,000
JUDICIAL WATCH INC$30,000
NATIONAL REVIEW INSTITUTE$30,000
FOUNDATION FOR INDIVIDUAL RIGHTS AND EDUCATION$30,000
THE FEDERALIST SOCIETY$30,000
PACIFIC LEGAL FOUNDATION$25,000
THE INSTITUTE FOR JUSTICE$25,000
REASON FOUNDATION$25,000
ARCADIA HIGH SCHOOL ARCADIA FESTIVAL OF BANDS$20,000
USC ARCADIA HOSPITAL FOUNDATION$20,000
LIBRARY FOUNDATION OF LOS ANGELES$10,000
PRINCETON UNIVERSITY ROWING ASSOCIATION$5,000
PRINCETON PROSPECT FOUNDATION$5,000
RANCHO MIRAGE WRITERS FESTIVAL$4,000
MANHATTAN INSTITUTE FOR POLICY RESEARCH$2,500
02The need
03

Does the money reach high-need areas?

Each grant placed by the hardship in its grantee’s ZIP, against the area’s typical level.

show:

Its human-services grants (FY17–19, $20k) 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 its grants land in higher-need ZIPs.

area typical 11%UNION RESCUE MISSION: $10k → 14%UNION RESCUE MISSION: $10k → 14%0%20%40%50%more need →
grant to an above-average-need area below average· circle size = grant amount
How this is measured
Matched: human-services grants are those whose grantee’s IRS cause code is Human Services. Placed by people below the poverty line in the grantee’s ZIP, averaged from the tracts in that ZIP.

Which US states its grants reach

MI
NY
PA
NJ
CA
VA
DC
TX
FL
How this is measured
US grants placed by each grantee’s ZIP, which can differ from where services are delivered. Need from public data (U.S. Census/ACS, CDC PLACES, Eviction Lab, USDA), shown as context about the area, never attributed to the funder’s giving.
03Its grantees
repeat funding

Who it funds again

Organizations funded in more than one year, against those funded once.

94%of every dollar goes to organizations it has funded before.
$2.2M · 40 repeat orgs$142k to everyone else

Grantees it renews have grown median revenue +61% since the first grant, against +20% for those funded once.

40 repeat relationships: 21 still active in FY2024, 19 since wound down; 1 grantees were first funded in FY2024 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

40
18

Total granted

$2.2M
$122k

Median revenue growth · since first grant

+61%
+20%

Still filing today

78%
39%

New vs renewed · share of each year

In FY2024, 94% of grant dollars renewed an existing relationship; $20k went to new ones.

50%100%’17’18’19’20’21’22’23’24
RenewedFirst-time

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

’17’18’19’20’21’22’23’24
EducationArts & CulturePhilanthropyHealthCivil RightsPublic BenefitOther
How this is measured
First-time means a grantee’s first year in the filing window; renewed means funded in an earlier year too. The renewed share climbs naturally as a portfolio matures, so the signal is a year that bucks it (a wave of new grantees). 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

  • IF
    INSTITUTE FOR JUSTICE
    7× · 2017–2024 · $165k · revenue +57%
  • TR
    THE REASON FOUNDATION
    7× · 2017–2024 · $155k · revenue +80%
  • PL
    Pacific Legal Foundation
    7× · 2017–2024 · $150k · revenue +136%

Funded once

  • IG
    Individual grant recipient
    one grant, 2023 · $25k
  • EB
    EPISCOPAL BISHOP OF LOS ANGELES
    one grant, 2017 · $25k
  • CI
    CARNEGIE INSTITUTE
    one grant, 2017 · $15k
How this is measured

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

04Its field

Closest unfunded matches

The nonprofits that most resemble its grantees but are not funded by it, scored along the direction from the rest of the field toward the portfolio. A resemblance in what they say they do, not a recommendation.

1
Institute for Advanced Study - Louis Bamberger & Mrs Felix Fuld Foundation

The institute for advanced study (the institute) is one of the world's leading centers for theoretical research and intellectual inquiry. see schedule o.

Science & Tech
2
Ucla Foundation

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…

Education
3
President and Fellows of Harvard College

Undergraduate, graduate, and professional education and research across a broad array of academic domains.

Education
4
University of Southern California

The central mission of the university of southern california is the development of human beings and society as a whole through the cultivation and enrichment of the human mind and spirit. the principal means by which our mission is…

Education
5
Armand Hammer Museum of Art and Cultural Center Inc

The hammer museum at ucla believes in the promise of art and ideas to illuminate our lives and build a more just world.

Arts & Culture
6
Peter G Peterson Institute for International Economics

The peterson institute for international economics (piie) is an independent nonprofit, nonpartisan research organization dedicated to strengthening prosperity and human welfare in the global economy through expert analysis and practical…

Social Science
7
Occidental College

See schedule othe mission of occidental college is to provide a gifted and diverse group of students with a total educational experience of the highest quality - one that prepares them for leadership in an increasingly complex,…

Education
8
University of the Pacific

To provide a superior, student-centered learning experience integrating liberal arts and professional education and preparing individuals for lasting achievement and responsible leadership in their careers and communities.

Education
9
The Uc Davis Foundation

The mission of the uc davis foundation is to secure, steward and manage private gifts for uc davis.

Education
10
Hillsdale College

Hillsdale college is a private liberal arts college with approximately 1,500 students. founded in 1844, the college remains, in the words of its articles of association, "grateful to god for the inestimable blessings resulting from the…

Education
11
United States Naval Institute

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.

—
12
The Pierpont Morgan Library

The Morgan Library & Museum celebrates and shares the history and process of human creativity from antiquity to the present day through the preservation, study, and interpretation of a dynamic and growing collection.

Education
How this is measured
The grantee most central to the portfolio’s shape is The Federalist Society for Law and Public Policy Studies; the most unlike its peers is The J Paul Getty Trust. 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

41 grantees tracked through their own filings, 2017–2026.

Each grant beside the grantee’s revenue from every source, year by year.

How this is measured

Counted here: distinct organizations funded across 2017 to 2026, not grant rows in a single year, so this will not match the grant count on the cover. 41 of the 60 grantees resolved in that span have returns of their own we could reconcile.

Each grantee is resolved to its own IRS returns. Association, dated; never a causal claim.

1
Load-bearing (≥25% of a budget)
11
Early backer (in before they grew)
39/41
Grantees still filing
34/41
Grew since first funded

Where the money sits, by cause and then by grantee

LOS ANGELES OPERA: $200,000 · OtherLOS ANGELES OPERATHE FEDERALIST SOCIETY FOR LAW AND PUBLIC POLICY STUDIES: $120,000 · OtherTHE FEDERALIST SOCIETY FOR LAW AND PUBLIC POLICY …PRINCETON UNIVERSITY ROWING ASSOCIATION: $87,250 · OtherPRINCETON UNIVERSITY ROWING ASSOCIATIONNATIONAL REVIEW INSTITUTE: $81,000 · OtherNATIONAL REVIEW INSTITUTEARCADIA HIGH SCHOOL: $80,000 · OtherARCADIA HIGH SCHOOLTHE HUNTINGTON LIBRARY & ART GALLERY: $61,000 · OtherTHE HUNTINGTON LIBRARY & ART GALLERYUSC ARCADIA HOSPITAL FOUNDATION: $50,000 · OtherCARNEGIE INSTITUTION OF WASHINGTON: $55,000 · Other+29 more: $344,000 · Other+29 moreTHE REASON FOUNDATION: $155,000 · EducationTHE REASON FOUNDATIONPOMONA COLLEGE: $126,716 · EducationPOMONA COLLEGEThe Trustees of Princeton University: $114,500 · EducationThe Trustees of Princeto…THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY: $60,000 · EducationTHE BOARD OF TRUSTEES OF…THE LIBRARY FOUNDATION OF LOS ANGELES: $31,000 · EducationTHE LIBRARY FOUNDATION O…RANCHO MIRAGE WRITERS FESTIVAL: $21,000 · Education+4 more: $29,750 · Education+4 moreINSTITUTE FOR JUSTICE: $165,000 · Civil RightsINSTITUTE FOR …FOUNDATION FOR INDIVIDUAL RIGHTS AND EXPRESSION INC: $140,000 · Civil RightsFOUNDATION FOR…Pacific Legal Foundation: $150,000 · Crime & LegalJUDICIAL WATCH INC: $140,000 · Public BenefitMANHATTAN INSTITUTE FOR POLICY RESEARCH INC: $5,000 · Public BenefitTHE J PAUL GETTY TRUST: $124,500 · Philanthropy+2 more: $1,250 · PhilanthropyHENRY E HUNTINGTON LIBRARY AND ART GALLERY: $50,000 · Arts & CultureLOS ANGELES PHILHARMONIC ASSOCIATION: $32,233 · Arts & CultureARCADIA MUSIC CLUB INC: $20,000 · Arts & Culture+2 more: $4,000 · Arts & Culture
Other$1,078,250Education$537,966Civil Rights$305,000Crime & Legal$150,000Public Benefit$145,000Philanthropy$125,750Arts & Culture$106,233

Each grantee by its size and the funder’s share of it; top left is load-bearing

25%50%75%100%$100k$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetINSTITUTE FOR JUSTICE: $165,000 over 7y, 0.1% of budgetTHE REASON FOUNDATION: $155,000 over 7y, 0.2% of budgetPacific Legal Foundation: $150,000 over 7y, 0.1% of budgetJUDICIAL WATCH INC: $140,000 over 6y, 0.0% of budgetFOUNDATION FOR INDIVIDUAL RIGHTS AND EXPRESSION INC: $140,000 over 5y, 0.2% of budgetPOMONA COLLEGE: $126,716 over 7y, 0.0% of budgetTHE J PAUL GETTY TRUST: $124,500 over 5y, 0.0% of budgetTHE FEDERALIST SOCIETY FOR LAW AND PUBLIC POLICY STUDIES: $120,000 over 6y, 0.1% of budgetThe Trustees of Princeton University: $114,500 over 7y, 0.0% of budgetPRINCETON UNIVERSITY ROWING ASSOCIATION: $87,250 over 6y, 41% of budgetNATIONAL REVIEW INSTITUTE: $81,000 over 5y, 0.4% of budgetTHE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY: $60,000 over 3y, 0.0% of budgetCARNEGIE INSTITUTION OF WASHINGTON: $55,000 over 3y, 0.0% of budgetHENRY E HUNTINGTON LIBRARY AND ART GALLERY: $50,000 over 2y, 0.1% of budgetUSC ARCADIA HOSPITAL FOUNDATION: $50,000 over 3y, 0.5% of budgetLOS ANGELES PHILHARMONIC ASSOCIATION: $32,233 over 6y, 0.0% of budgetTHE LIBRARY FOUNDATION OF LOS ANGELES: $31,000 over 4y, 0.1% of budgetCONVALESCENT AID SOCIETY: $25,000 over 6y, 0.6% of budgetLAS MADRINAS: $25,000 over 5y, 0.4% of budgetRANCHO MIRAGE WRITERS FESTIVAL: $21,000 over 5y, 0.4% of budgetCALIFORNIA FIRE FOUNDATION: $20,000 over 2y, 0.6% of budgetUNION RESCUE MISSION: $20,000 over 2y, 0.0% of budgetARCADIA MUSIC CLUB INC: $20,000 over 2y, 2.0% of budgetTriangle Club of Princeton University: $15,000 over 3y, 3.0% of budgetNEWPORT BEACH PUBLIC LIBRARY FOUNDATION: $14,500 over 6y, 0.4% of budgetDEVIL PUPS INC: $11,500 over 7y, 1.7% of budgetPRINCETON PROSPECT FOUNDATION: $10,000 over 2y, 0.2% of budgetCOMMENTARY INC: $9,000 over 7y, 0.1% of budgetFRIENDS OF THE ARCADIA PUBLIC LIBRARY INC: $8,000 over 3y, 14% of budgetNEW VILLAGE CHARTER SCHOOL INC: $5,000 over 2y, 0.1% of budgetYOUTH POLICY INSTITUTE INC: $5,000 over 1y, 0.0% of budgetMANHATTAN INSTITUTE FOR POLICY RESEARCH INC: $5,000 over 2y, 0.0% of budgetSAN FRANCISCO OPERA ASSOCIATION: $2,500 over 1y, 0.0% of budgetFOOTHILL UNITY CENTER INC: $2,500 over 1y, 0.1% of budgetLUNDQUIST INSTITUTE FOR BIOMEDICAL INNOVATION AT HARBOR-UCLA MEDICAL CENTER: $2,500 over 1y, 0.0% of budgetREAL CLEAR MEDIA FUND: $2,000 over 2y, 0.4% of budgetSOUTHERN CALIFORNIA PUBLIC RADIO: $1,500 over 1y, 0.0% of budgetSIERRA MADRE ROSE FLOAT ASSOCIATION: $1,250 over 3y, 0.9% of budgetHARVARD-WESTLAKE SCHOOL: $250 over 1y, 0.0% of budget
Grantee by grantee: a decade per organization, before and after funding

A decade per grantee: revenue shaded, grants as bars, all rows on one timeline.

  • Who funds INSTITUTE FOR JUSTICE ↗
  • Who funds THE REASON FOUNDATION ↗
  • Who funds Pacific Legal Foundation ↗
  • Who funds JUDICIAL WATCH INC ↗
  • Who funds FOUNDATION FOR INDIVIDUAL RIGHTS AND EXPRESSION INC ↗
  • Who funds POMONA COLLEGE ↗
  • Who funds THE J PAUL GETTY TRUST ↗
  • Who funds THE FEDERALIST SOCIETY FOR LAW AND PUBLIC POLICY STUDIES ↗
  • Who funds The Trustees of Princeton University ↗
  • Who funds PRINCETON UNIVERSITY ROWING ASSOCIATION ↗
  • Who funds NATIONAL REVIEW INSTITUTE ↗
  • Who funds THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY ↗
  • Who funds CARNEGIE INSTITUTION OF WASHINGTON ↗
  • Who funds HENRY E HUNTINGTON LIBRARY AND ART GALLERY ↗
  • Who funds USC ARCADIA HOSPITAL FOUNDATION ↗
  • Who funds LOS ANGELES PHILHARMONIC ASSOCIATION ↗
  • Who funds THE LIBRARY FOUNDATION OF LOS ANGELES ↗
  • Who funds CONVALESCENT AID SOCIETY ↗
  • Who funds LAS MADRINAS ↗
  • Who funds RANCHO MIRAGE WRITERS FESTIVAL ↗
  • Who funds CALIFORNIA FIRE FOUNDATION ↗
  • Who funds UNION RESCUE MISSION ↗
  • Who funds ARCADIA MUSIC CLUB INC ↗
  • Who funds Triangle Club of Princeton University ↗
  • Who funds NEWPORT BEACH PUBLIC LIBRARY FOUNDATION ↗
  • Who funds DEVIL PUPS INC ↗

Co-funders

Grantmakers whose grantees overlap with this funder’s far more than size alone predicts. Closer means stronger alignment; arcs show where they also fund each other. Here they form a tightly interlocked group: most of these funders back each other's grantees too.

California Community FoundationCA19.9× affinity9 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: California Community Foundation · Richard C Seaver 1978 Trust · The Rose Hills Foundation · Pasadena Community Foundation · The Ralph M Parsons Foundation · The Confidence Foundation · The Ahmanson Foundation · Donors Trust Inc · Weingart Foundation · Sempra Foundation · Morgan Stanley Global Impact Funding Trust Inc · Gs Donor Advised Philanthropy Fund for Wealth Management Inc

How this is measured
Affinity is a Gamma-Poisson posterior co-funding rate, re-centered on the typical rate, so thin evidence shrinks toward no signal. Overlap is association, not proof of shared intent.

How much its grantees rely on government

Each dot is one organization The Seaver Endowment funds: left to right is the share of its income from government, bottom to top the share from The Seaver Endowment. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 30%3%13%28%50%funder's share of their income ↑0%6%13%19%25%share of the org’s income from government →median 11%
  • The Trustees of Princeton University: 11% of income from government
no gov moneyreceives it· size = income
3get no government money at all
4report government grants on their 990 we could not trace to a source (not plotted)
0rely on government for over half their income
⤢ axis zoomed · 0–25%
typical government reliance, FY20–25
How this is measured
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 a grant caused the public funding. Coverage is precision-first, a floor rather than 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 to 24 months.
05Through Plinth

Warm introductions · Powered by PlinthPlus

How do I get to The Seaver Endowment?

Find your warmest path to The Seaver Endowment 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 from IRS e-file XML, the funder’s own 990/990-PF, and from the multi-year returns of the 60 grantees we resolved, each linked to its source. Grantee outcomes are each organization’s own program-service reporting (Form 990, Part III), read as association with funding, never as caused by it. Low-confidence name matches are suppressed rather than guessed. How we build these →

How this is measured
Each figure carries one of six labels. Filed is what the funder reported on its 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.

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

Source object · view filing

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