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Plinth

· Private foundation

The Isambard Kingdom Brunel Society of Na

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.

$645k
Granted FY2025still arriving
13
Grants FY2025still arriving
4
States reached
$140k
Largest
01What you fund
0178% classified

What you funded, over time

Every grant clustered by its grantee’s IRS cause code (NTEE), by year — across FY20192025.

Arts & Culture$2.6MEducation$1.2MPublic Benefit$330kInternational$130kHuman Services$125kPhilanthropy$101kHousing & Shelter$25kHealth$25kRecreation & Sports$25kOther$1.3M
02FY2025 · 13 grants

Where the money goes

Your grants by size, and where they go.

By grant size · FY2025

  • $10k–50k8 grants · $145k
  • $50k–250k5 grants · $500k
$25,000
Median grant
4
States reached
$1.8M
Total assets
Largest grants
RecipientAmount
MUSEUM OF MODERN ART$140,000
CALIFORNIA INSTITUTE OF TECHNOLOGY$110,000
LOS ANGELES COUNTY MUSEUM OF ART$100,000
AMERICAN ACADEMY IN ROME$100,000
RAND$50,000
WORLD MONUMENTS FUND$25,000
ISLAND HOUSING TRUST$25,000
MARTHA'S VINEYARD COMMUNITY SERVICES$25,000
FAPE$20,000
NATIONAL ARTS CLUB$15,000
SYMPHONY SPACE$15,000
ANCIENT EGYPT RESEARCH ASSOCIATES$10,000
CHAUTAUQUA INSTITUTION$10,000
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:

Your human-services grants (FY20–25, $125k) land where the poverty rate runs at 8%, against an area that typically sits at 11%. 0% of those dollars go to grantees based in above-average-need neighborhoods. Your grants skew toward lower-need ZIPs.

area typical 11%MARTHA'S VINEYARD COMMUNITY SERVICES: $25k → 8%MARTHA'S VINEYARD COMMUNITY SERVICES: $20k → 8%MARTHA'S VINEYARD COMMUNITY SERVICES: $20k → 8%MARTHA'S VINYARD COMMUNITY SERVICES: $20k → 8%MARTHA'S VINYARD COMMUNITY SERVICES: $20k → 8%MARTHA'S VINYARD COMMUNITY SERVICES: $20k → 8%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.

Which US states your grants reach

NY
MA
OR
CA
VA
MD
DC
GA

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.

94%of every dollar goes to organizations you’ve funded before.
$5.3M · 29 repeat orgs$371k to everyone else

And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +27% since the first grant, against +17% for the ones you funded once.

29 repeat relationships — 12 still active in FY2025, 17 since wound down; 1 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

29
20

Total granted

$5.3M
$346k

Median revenue growth · since first grant

+27%
+17%

Still filing today

69%
45%

New vs renewed · share of each year

In FY2025, 96% of grant dollars renewed an existing relationship; $25k went to new ones.

50%100%’19’20’21’22’23’24’25
RenewedFirst-time

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

’19’20’21’22’23’24’25
Arts & CultureEducationPublic BenefitInternationalPhilanthropyHealthOther

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

  • MA
    MUSEUM ASSOCIATES
    7× · 2019–2025 · $700k · revenue +89%
  • CI
    CALIFORNIA INSTITUTE OF TECHNOLOGY
    7× · 2019–2025 · $540k · revenue +13%
  • SC
    Spelman College
    6× · 2019–2024 · $425k · revenue +27%

Funded once

  • NF
    NPR FOUNDATION
    one grant, 2020 · $50k · revenue +5%
  • CI
    CHAUTAUQUA INSTITUTE
    one grant, 2019 · $30k
  • NY
    NEW YORK-PRESBYTERIAN FUND INCgraduated
    one grant, 2022 · $25k · revenue +46%

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
American Museum of Natural History

The museum's mission statement is: "to discover, interpret, and disseminate - through scientific research and education - knowledge about human cultures, the natural world, and the universe."

Arts & Culture
2
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
3
Boston Architectural College

The bac is committed to provide excellence in design education grounded in practice and accessible to diverse communities.

4
Metropolitan Museum of Art

The metropolitan museum of art collects, studies, conserves, and presents significant works of art across all times and cultures in order to connect people to creativity, knowledge, and ideas.

Arts & Culture
5
The Brooklyn Institute of Arts and Sciences

The mission of the brooklyn institute of arts and sciences, d/b/a brooklyn museum (the "museum") is to bring people together through art and experiences that inspire celebration, compassion, courage, and the will to act. (see schedule o).

Arts & Culture
6
San Francisco Museum of Modern Art

See schedule osfmoma believes the art of our time is vital and shares it with passion and purpose, and that art and the creative process can open minds and help build a better world. for that reason, we assemble unparalleled collections,…

Arts & Culture
7
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
8
Berggruen Institute
Education
9
Sterling and Francine Clark Art Institute

See schedule o for the organization's mission statement.please see description for part i, line 1, above.

Arts & Culture
10
Bard College

Bard college seeks to provide a challenging academic program and a supportive environment that fosters a collaborative interchange of ideas in the classroom as well as ambition to achieve excellence.

Education
11
The Jewish Museum

The mission of the jewish museum is to collect, preserve, exhibit and interpret art and jewish culture. see schedule o for more information.

Arts & Culture
12
Isabella Stewart Gardner Museum Inc

Organization's mission statement true to the ambitious vision of its founder and her spirit of creative risk-taking, the mission of the isabella stewart gardner museum is: - to bring to life and preserve the rich historic collection; - to…

Arts & Culture

For reference, the grantee most central to the portfolio’s shape is American Academy in Rome and the most unlike its peers is Wgbh Educational Foundation. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.

For each theme you fund, this compares how the sector’s money is shifting with how your own giving is shifting.

← shrinkinggrowing →↓ leaning in → pulling backsteadyResearch, Advocacy & Capaci…Community Health CentersAffordable Housing Developm…University Support Foundati…Private Member ClubsPerforming Arts Organizatio…
the sector your giving your giving is ahead of the sector the sector’s ahead of you· dot size = how much the theme matters to each side
Ordered by the change in your giving — leaning in on top, pulling back at the bottom. The bar between the two dots is how out of step you are with the sector. Hover any row for detail.

Sector change and giving change are each shown relative to their own range, growing (right) or shrinking (left); both normalized, so inflation isn’t mistaken for growth.

Your grantees are a median of 48 years old; the field is 15. You back the established end — and your money leans older still.

THE FIELDby orgYOUR GRANTEESby number23%0%<5yr15%9%5–10yr20%6%10–20yr19%25%20–35yr11%13%35–55yr12%47%55yr+
THE FIELDby orgYOUR MONEYby value23%0%<5yr15%1%5–10yr20%0%10–20yr19%7%20–35yr11%3%35–55yr12%90%55yr+

The field is 23% startups (under 5 years old) — 0% of your grantees by number, and just 0% of your money.

Closures · last 5 years

The orgs you fund almost never close 0.0% lost their exemption, against 14% of the field you don’t fund.

orgs you fund
0.0%0/33
the rest of the field
14%
10,751/77,865

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.

04the grantee network

32 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. 32 of the 51 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)
31/32
Grantees still filing
25/32
Grew since you first funded

Where your money sits — by cause, then by grantee

Museum of Modern Art — $1,325,173 · Arts & CultureMuseum of Modern ArtMUSEUM ASSOCIATES — $700,000 · Arts & CultureMUSEUM ASSOCIATESSIGNATURE THEATRE COMPANY INC — $140,000 · Arts & CultureCHAUTAUQUA INSTITUTION — $115,000 · Arts & CultureWORLD MONUMENTS FUND INC — $100,000 · Arts & CultureGREATER WASHINGTON EDUCATIONAL TELECOMMUNICATIONS ASSOCIATION INC — $100,000 · Arts & Culture+7 more — $153,662 · Arts & Culture+7 morePARK AVENUE ARMORY — $360,000 · OtherPARK AVENUE ARMORYFAPE — $140,000 · OtherFAPENPR FOUNDATION — $125,000 · OtherNPR FOUNDATIONTHE NATIONAL ARTS CLUB — $110,000 · OtherTHE NATIONAL ARTS CLUBIndividual grant recipient — $100,000 · OtherIndividual grant recipientNEW YORK PRESBYTERIAN HOSPITAL — $75,000 · OtherNEW YORK PRESBYTERIAN HOSP…Ancient Egypt Research Associates Inc — $50,000 · OtherNPR FOUNDATION — $50,000 · Other+20 more — $359,000 · Other+20 moreCALIFORNIA INSTITUTE OF TECHNOLOGY — $540,000 · EducationCALIFORNIA INSTITUTE OF…Spelman College — $425,000 · EducationSpelman CollegeREED INSTITUTE — $200,000 · EducationREED INSTITUTE+3 more — $60,003 · EducationThe Rand Corporation — $330,000 · Public BenefitAMERICAN ACADEMY IN ROME — $130,000 · InternationalMARTHA'S VINEYARD COMMUNITY SERVICES INC — $125,000 · Human ServicesCHAUTAUQUA FOUNDATION INC — $101,000 · Philanthropy
Arts & Culture$2,633,835Other$1,369,000Education$1,225,003Public Benefit$330,000International$130,000Human Services$125,000Philanthropy$101,000

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 budgetMuseum of Modern Art — $1,325,173 over 7y, 0.1% of budgetMUSEUM ASSOCIATES — $700,000 over 7y, 0.1% of budgetCALIFORNIA INSTITUTE OF TECHNOLOGY — $540,000 over 7y, 0.0% of budgetSpelman College — $425,000 over 6y, 0.1% of budgetThe Rand Corporation — $330,000 over 7y, 0.0% of budgetREED INSTITUTE — $200,000 over 6y, 0.0% of budgetSIGNATURE THEATRE COMPANY INC — $140,000 over 3y, 0.7% of budgetAMERICAN ACADEMY IN ROME — $130,000 over 4y, 0.1% of budgetMARTHA'S VINEYARD COMMUNITY SERVICES INC — $125,000 over 6y, 0.2% of budgetCHAUTAUQUA INSTITUTION — $115,000 over 3y, 0.2% of budgetTHE NATIONAL ARTS CLUB — $110,000 over 3y, 1.8% of budgetCHAUTAUQUA FOUNDATION INC — $101,000 over 3y, 0.8% of budgetWORLD MONUMENTS FUND INC — $100,000 over 7y, 0.1% of budgetGREATER WASHINGTON EDUCATIONAL TELECOMMUNICATIONS ASSOCIATION INC — $100,000 over 4y, 0.0% of budgetSOLOMON R GUGGENHEIM FOUNDATION — $60,000 over 3y, 0.0% of budgetAncient Egypt Research Associates Inc — $50,000 over 5y, 1.5% of budgetNPR FOUNDATION — $50,000 over 1y, 0.2% of budgetTHE SYMPHONY SPACE INC — $45,000 over 7y, 0.1% of budgetWIKIMEDIA FOUNDATION INC — $30,003 over 6y, 0.0% of budgetWGBH Educational Foundation — $25,000 over 5y, 0.0% of budgetNEW YORK-PRESBYTERIAN FUND INC — $25,000 over 1y, 0.0% of budgetCENTRAL PARK CONSERVANCY INC — $25,000 over 1y, 0.0% of budgetSavannah College of Art and DesignInc — $25,000 over 1y, 0.0% of budgetMARTHA'S VINEYARD FILM SOCIETY INC — $23,662 over 1y, 1.3% of budgetNEW YORK PUBLIC RADIO — $15,000 over 3y, 0.0% of budgetREVIVE & RESTORE — $10,000 over 2y, 0.1% of budgetTHE INTERNATIONAL COUNCIL OF THE MUSEUM OF MODERN ART INC — $10,000 over 1y, 0.4% of budgetTHE LOTOS FOUNDATION INC — $10,000 over 1y, 2.0% of budgetTHE GAMBLE HOUSE CONSERVANCY — $10,000 over 1y, 0.4% of budgetFOUNDATION FOR UNDERWAY EXPERIENTIA L LEARNING INC — $5,000 over 1y, 0.3% 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.

  • Who funds Museum of Modern Art
  • Who funds MUSEUM ASSOCIATES
  • Who funds CALIFORNIA INSTITUTE OF TECHNOLOGY
  • Who funds Spelman College
  • Who funds The Rand Corporation
  • Who funds REED INSTITUTE
  • Who funds SIGNATURE THEATRE COMPANY INC
  • Who funds AMERICAN ACADEMY IN ROME
  • Who funds MARTHA'S VINEYARD COMMUNITY SERVICES INC
  • Who funds CHAUTAUQUA INSTITUTION
  • Who funds THE NATIONAL ARTS CLUB
  • Who funds CHAUTAUQUA FOUNDATION INC
  • Who funds WORLD MONUMENTS FUND INC
  • Who funds GREATER WASHINGTON EDUCATIONAL TELECOMMUNICATIONS ASSOCIATION INC
  • Who funds SOLOMON R GUGGENHEIM FOUNDATION
  • Who funds Ancient Egypt Research Associates Inc
  • Who funds NPR FOUNDATION
  • Who funds THE SYMPHONY SPACE INC
  • Who funds WIKIMEDIA FOUNDATION INC
  • Who funds ISLAND HOUSING TRUST CORPORATION
  • Who funds WGBH Educational Foundation
  • Who funds NEW YORK-PRESBYTERIAN FUND INC
  • Who funds CENTRAL PARK CONSERVANCY INC
  • Who funds Savannah College of Art and DesignInc
  • Who funds MARTHA'S VINEYARD FILM SOCIETY INC
  • Who funds ARTS INDONESIA INC
  • Who funds NEW YORK PUBLIC RADIO
  • Who funds REVIVE & RESTORE
  • Who funds THE INTERNATIONAL COUNCIL OF THE MUSEUM OF MODERN ART INC
  • Who funds THE LOTOS FOUNDATION 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.

Gs Donor Advised Philanthropy Fund for Wealth Management IncNY11.9× affinity5 shared granteesties to 10 of 10Hover any node to trace its alignments.Compare side by side →

Open a dossier: Gs Donor Advised Philanthropy Fund for Wealth Management Inc · The Ayco Charitable Foundation · Morgan Stanley Global Impact Funding Trust Inc · National Philanthropic Trust · Vanguard Charitable Endowment Program · The Bank of America Charitable Foundation Inc · American Online Giving Foundation Inc · Network for Good · 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 The Isambard Kingdom Brunel Society of Na 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 · 20%0%1%3%5%your share of their income ↑0%23%45%68%90%share of the org’s income from governmentmedian 1%
  • Martha's Vineyard Community Services Inc3% of income from government
  • Martha's Vineyard Film Society Inc2% of income from government
  • Island Housing Trust Corporation1% of income from government
  • Wgbh Educational Foundation1% of income from government
  • Reed Institute1% of income from government
no gov moneyreceives it· size = income
2get 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 · 0–90%
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.

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 51 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 2025, released 2025. Filings run roughly 12–24 months behind; figures are dated accordingly.

Source object · view filing

More from the funding graph