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William S & Nancy E Thompson Foundation at a glance

· Private foundation

William S & Nancy E Thompson 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.

$1.3M
Granted FY2024still arriving
4
Grants FY2024still arriving
2
States reached
$850k
Largest
01What it fundsRead
02The needRead
03Its granteesRead
04Its fieldRead
05Through PlinthRead
01What it funds
0195% classified

What it funded, over time

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

International$7.4MEducation$5.2MHealth$1.5MArts & Culture$1.5MPublic Safety & Disaster$725kPhilanthropy$151kYouth Development$100kHuman Services$100kOther$0
02FY2024 · 4 grants

Where the money goes

Grants by size, and the largest recipients.

By grant size · FY2024

  • Under $10k1 grant · $677
  • $50k–250k1 grant · $50k
  • $250k+2 grants · $1.2M
$391,142
Median grant
2
States reached
$79M
Total assets
Largest grants
RecipientAmount
PACIFIC SYMPHONY$850,000
FREE WHEELCHAIR MISSION$391,142
AMERICAN NATIONAL RED CROSS$50,000
SAVE THE CHILDREN$677
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 (FY19–24, $725k) land where the poverty rate runs at 14%, against an area that typically sits at 11%. 93% of those dollars go to grantees based in above-average-need neighborhoods. Most of its grants land in higher-need ZIPs.

area typical 11%AMERICAN RED CROSS: $675k → 14%AMERICAN NATIONAL RED CROSS: $50k → 10%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.
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.

84%of every dollar goes to organizations it has funded before.
$14M · 8 repeat orgs$2.6M to everyone else

Grantees it renews have grown median revenue +69% since the first grant, against +39% for those funded once.

8 repeat relationships: 4 still active in FY2024, 4 since wound down.

How the two cohorts compare

Re-uppedFunded once

Organizations

8
15

Total granted

$14M
$2.6M

Median revenue growth · since first grant

+69%
+39%

Still filing today

75%
87%

New vs renewed · share of each year

In FY2024, 100% of grant dollars renewed an existing relationship; $0 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
InternationalEducationHealthHuman ServicesArts & CultureCrime & LegalOther
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

  • IR
    International Rescue Committee INC
    3× · 2021–2023 · $5.6M · revenue +38%
  • PS
    Pacific Symphony
    4× · 2019–2024 · $1.5M · revenue +108%
  • FW
    FREE WHEELCHAIR MISSION
    3× · 2022–2024 · $887k · revenue +69%

Funded once

  • MEDECINS SANS FRONTIERES USA INC
    one grant, 2023 · $1.0M · revenue +1%
  • CU
    CHAPMAN UNIVERSITYgraduated
    one grant, 2019 · $712k · revenue +32%
  • LESTONNAC FREE CLINIC
    one grant, 2023 · $500k · revenue -7%
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
The International School of San Francisco

Guided by the principles of academic rigor and diversity, the international school of san francisco offers programs of study in french and english to prepare its graduates for a world in which the ability to think critically and to…

Education
2
Dominican University of California

Our institutional mission is to educate and prepare students to be ethical leaders and socially responsible global citizens who incorporate the dominican values of study, reflection, community and service into their lives.

Education
3
United Nations International School

Under the auspices of the united nations and guided by its ideals, the united nations international school (unis) provides an inclusive and diverse learning environment in which rigorous international programs foster academic excellence,…

Education
4
Silicon Schools Fund Inc

The mission of the silicon schools fund is to improve education through supporting the launch of excellent new schools, improving academic instruction in existing schools, and by funding some of the boldest innovations in education…

Education
5
International Aids Vaccine Initiative Inc

A nonprofit scientific research organization that develops vaccines and antibodies for hiv, tuberculosis, and emerging infectious diseases.

International
6
San Francisco Friends School

At san francisco friends school, students learn in a community grounded in the quaker values of reflection, integrity, peaceful problem-solving and stewardship. our teachers challenge students with a dynamic curriculum that inspires…

Education
7
University of California Irvine Foundation

The mission of the university of california, irvine foundation (uc irvine foundation) is to raise and manage private funds to support uc irvine's broader mission of excellence in teaching, research and public service. to this end, the uc…

Education
8
Alternative Schools Inc

To help each child reach his/her full potential by cultivating an active village of parents, community members, and stakeholders involved in providing an individual, personal, and conceptual learning environment for each student.

Education
9
The San Francisco School

A private school that cultivates and celebrates the intellectual, imaginative, and humanitarian promise of each student in a community that practices mutual respect, embraces diversity, and inspires passion for learning.

—
10
Crossroads School for Arts and Sciences

Crossroads is an independent school for approximately 1,200 students.

Education
11
South Shore Charter School

The mission of south shore charter school is to cultivate students the tenacity, integrity, and curiosity needed to become innovative and socially responsible leaders, ready to face and solve the ever-changing challenges facing our…

Education
12
Association of California School Administrators

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.

—
How this is measured
The grantee most central to the portfolio’s shape is California Community Foundation; the most unlike its peers is International Rescue Committee 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

20 grantees tracked through their own filings, 2017–2025.

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 2025, not grant rows in a single year, so this will not match the grant count on the cover. 20 of the 24 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)
7
Early backer (in before they grew)
20/20
Grantees still filing
14/20
Grew since first funded

Where the money sits, by cause and then by grantee

International Rescue Committee INC: $5,575,207 · InternationalInternational Rescue Committee INCMEDECINS SANS FRONTIERES USA INC: $1,000,000 · InternationalMEDECINS SANS FRONTIERES USA INCSave The Children Federation Inc: $750,677 · InternationalSave The Children Federation Inc+1 more: $50,000 · InternationalCHICAGO JESUIT ACADEMY: $3,899,974 · OtherCHICAGO JESUIT ACADEMYLESTONNAC FREE CLINIC: $500,000 · OtherLESTONNAC FREE CLINICCHAPMAN UNIVERSITY (TPI): $490,089 · OtherCHAPMAN UNIVERSITY (TPI)+6 more: $167,350 · OtherPacific Symphony: $1,513,631 · Arts & CulturePacific Sy…FREE WHEELCHAIR MISSION: $886,742 · HealthGIFT OF VISION FOUNDATION: $75,000 · HealthTHOMPSON FOUNDATION FOR AUTISM & NEURODEVELOPMENT: $60,000 · HealthAmerican National Red Cross & Its Constituent Chapters and Branches: $725,000 · Human ServicesSAVING INNOCENCE INC: $100,000 · Human ServicesCHAPMAN UNIVERSITY: $712,000 · EducationUNITY MIDDLE COLLEGE HIGH SCHOOL: $30,000 · Education+2 more: $25,500 · EducationCALIFORNIA COMMUNITY FOUNDATION: $150,000 · Philanthropy
International$7,375,884Other$5,057,413Arts & Culture$1,513,631Health$1,021,742Human Services$825,000Education$767,500Philanthropy$150,000

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

25%50%75%100%$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetInternational Rescue Committee INC: $5,575,207 over 3y, 0.2% of budgetPacific Symphony: $1,513,631 over 4y, 3.2% of budgetMEDECINS SANS FRONTIERES USA INC: $1,000,000 over 1y, 0.1% of budgetFREE WHEELCHAIR MISSION: $886,742 over 3y, 3.7% of budgetSave The Children Federation Inc: $750,677 over 2y, 0.1% of budgetAmerican National Red Cross & Its Constituent Chapters and Branches: $725,000 over 2y, 0.0% of budgetCHAPMAN UNIVERSITY: $712,000 over 1y, 0.1% of budgetLESTONNAC FREE CLINIC: $500,000 over 1y, 7.2% of budgetCALIFORNIA COMMUNITY FOUNDATION: $150,000 over 1y, 0.0% of budgetSAVING INNOCENCE INC: $100,000 over 1y, 3.0% of budgetGIFT OF VISION FOUNDATION: $75,000 over 2y, 29% of budgetTHOMPSON FOUNDATION FOR AUTISM & NEURODEVELOPMENT: $60,000 over 1y, 7.1% of budgetORANGEWOOD FOUNDATION: $50,000 over 1y, 0.1% of budgetJESSE LEWIS CHOOSE LOVE MOVEMENT INC: $50,000 over 1y, 6.9% of budgetBe The Change Vacations: $50,000 over 1y, 8.8% of budgetUNITY MIDDLE COLLEGE HIGH SCHOOL: $30,000 over 1y, 2.7% of budgetTHE HELIX SCHOOL: $25,000 over 1y, 1.7% of budgetTOMORROW'S LEADERSHIP COLLABORATIVE CHARTER SCHOOL: $15,700 over 1y, 0.7% of budgetTHE FARMER'S HOUSE INC: $1,000 over 1y, 0.1% of budgetAFFTON EDUCATION FOUNDATION: $500 over 1y, 0.4% 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.

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.

Charities Aid Foundat…Natl Christian Charit…American Online Givin…Fidelity Investments …Donor Advised Charita…Amazonsmile Foundation
Charities Aid Foundation AmericaVA9.2× affinity4 shared granteesties to 5 of 5Hover any node to trace its alignments.Compare side by side →

Open a dossier: Charities Aid Foundation America · Natl Christian Charitable Fdn Inc · American Online Giving Foundation Inc · Fidelity Investments Charitable Gift Fund · Donor Advised Charitable Giving Inc · Amazonsmile Foundation

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 William S & Nancy E Thompson Foundation funds: left to right is the share of its income from government, bottom to top the share from William S & Nancy E Thompson Foundation. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 00%2%8%17%30%funder's share of their income ↑0%10%20%30%40%share of the org’s income from government →median 30%
  • Save the Children Federation Inc: 30% of income from government
no gov moneyreceives it· size = income
0get no government money at all
7report government grants on their 990 we could not trace to a source (not plotted)
0rely on government for over half their income
⤢ axis zoomed · 0–40%
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 William S & Nancy E Thompson Foundation?

Find your warmest path to William S & Nancy E Thompson 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 from IRS e-file XML, the funder’s own 990/990-PF, and from the multi-year returns of the 24 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

Play a game based on William S & Nancy E Thompson’s filings →

More from the funding graph

The unnamed billions
grants reported with no recipient in the public record
The regranting layer
51% of grant dollars land in the regranting layer
The DAF merry-go-round
$9.7B circulates between donor-advised funds
The endowment market
who holds foundation money, and what just moved
The camps
funders cluster by geography, not ideology
By state
where grant money is based, and what stays home