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Plinth

· Private foundation

Mary A & Thomas F Grasselli Endowment Foundation

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.

$104k
Granted FY2025still arriving
21
Grants FY2025still arriving
8
States reached
$23k
Largest
01What you fund
0176% classified

What you funded, over time

Every grant clustered by its grantee’s IRS cause code (NTEE), by year — across FY20172025.

Education$354kArts & Culture$78kAnimals$68kEnvironment$35kHealth$32kHuman Services$28kRecreation & Sports$8kFood & Nutrition$8kPhilanthropy$2kOther$196k
02FY2025 · 21 grants

Where the money goes

Your grants by size, and where they go.

By grant size · FY2025

  • Under $10k16 grants · $41k
  • $10k–50k5 grants · $63k
$3,000
Median grant
8
States reached
$1.2M
Total assets
Largest grants
RecipientAmount
STUDENT PARTNER ALLIANCE A NEW JERSEY NON-PROFIT C$23,000
BUCKLEY SCHOOL IN THE CITY OF NEW YORK$10,000
MUSEUM OF FINE ARTS HOUSTON$10,000
FRICK COLLECTION$10,000
EANES EDUCATION FOUNDATION$10,000
BARNARD COLLEGE$5,000
ALEXS LEMONADE STAND FOUNDATION$5,000
WESTLAKE UNITED METHODIST CHURCH$5,000
CAMP FIRE$3,000
THE UNIVERSITY OF TEXAS MD ANDERSON CANCER CENTER$3,000
HOUSTON TENNIS ASSOCIATION INC$3,000
TREE FOLKS INC$3,000
MENIL FOUNDATION INC$2,500
GREATER HOUSTON COMMUNITY FOUNDATION$2,000
AMERICAS FOUNDATION-FUNDACION DE LAS AMERICAS$2,000
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 (FY17–25, $28k) land where the poverty rate runs at 11%, against an area that typically sits at 10%. 20% of those dollars go to grantees based in above-average-need neighborhoods. Your grants skew toward lower-need ZIPs.

area typical 10%FRANCISCAN CHARITIES INC: $2k → 6%FRANCISCAN CHARITIES INC: $3k → 16%FRANCISCAN CHARITIES INC: $3k → 16%SUMMIT AREA YMCA: $5k → 10%SUMMIT AREA YMCA: $3k → 10%SUMMIT AREA YMCA: $3k → 10%SUMMIT AREA YMCA: $2k → 10%SUMMIT AREA YMCA: $2k → 10%SUMMIT AREA YMCA: $2k → 10%SUMMIT AREA YMCA: $2k → 10%SUMMIT AREA YMCA: $1k → 10%SUMMIT AREA YMCA: $1k → 10%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
IA
OH
PA
NJ
CT
RI
CA
TX
FL

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.

92%of every dollar goes to organizations you’ve funded before.
$739k · 36 repeat orgs$63k to everyone else

And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +33% since the first grant, against +18% for the ones you funded once.

36 repeat relationships — 14 still active in FY2025, 22 since wound down; 6 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

36
19

Total granted

$739k
$49k

Median revenue growth · since first grant

+33%
+18%

Still filing today

81%
74%

New vs renewed · share of each year

In FY2025, 86% of grant dollars renewed an existing relationship; $15k went to new ones.

50%100%’17’18’19’20’21’22’23’24’25
RenewedFirst-time

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

’17’18’19’20’21’22’23’24’25
Arts & CultureEducationEnvironmentAnimalsHealthHuman ServicesOther

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

  • SP
    STUDENT PARTNER ALLIANCE A NEW JERSEY NON-PROFIT CORPORATION
    9× · 2017–2025 · $156k · revenue +31%
  • TB
    THE BUCKLEY SCHOOL IN THE CITY OF NEW YORK
    7× · 2019–2025 · $68k · revenue +25%
  • EE
    Eanes Education Foundation
    8× · 2018–2025 · $65k · revenue +3%

Funded once

  • C
    CancerAGoGo
    one grant, 2018 · $10k · revenue -96%
  • WR
    WESTERN RESERVE HISTORICAL SOCIETY
    one grant, 2017 · $5k · revenue +1%
  • FO
    FRIENDS OF BARC INCgraduated
    one grant, 2017 · $5k · revenue +84%

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
Houston Museum of Natural Science

The mission of the Houston Museum of Natural Science shall be to preserve and advance the general knowledge of natural science; to enhance in individuals the knowledge of and delight in natural science and related subjects; and to maintain…

Arts & Culture
3
Houston Botanic Garden

To enrich life through discovery, education, and the conservation of plants and the natural environment.

Environment
4
Museum of Modern Art

The Museum of Modern Art is a private, non-profit institution chartered by the State of New York Department of Education in 1929 to foster public awareness of modern and contemporary art. (Continued in Schedule O)

Arts & Culture
5
Witte Museum

The witte museum inspires people to shape the future of texas through transformative and relevant experiences in nature, science and culture.

Arts & Culture
6
Boston Architectural College

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

7
Texas Trees Foundation

The mission of texas trees foundation is to improve the health of cities and people through the transformative power of trees.

8
William Marsh Rice University

As a leading research university with a distinctive commitment to undergraduate education, Rice University aspires to path breaking research, unsurpassed teaching, and contributions to the betterment of our world. It seeks to fulfill this…

Education
9
The Houston Audubon Society

To advance the conservation of birds and their habitats in the Greater Houston Gulf Coast region by acquiring and maintaining critical habitat as bird sanctuaries, providing education programs and nature experiences, and advocating policy…

Environment
10
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
11
University of New Haven

The University of New Haven is a student-centered comprehensive university with an emphasis on excellence in liberal arts and professional education. Our mission is to prepare our students to lead purposeful and fulfilling lives in a…

Education
12
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

For reference, the grantee most central to the portfolio’s shape is Greater Houston Community Foundation and the most unlike its peers is CancerAGoGo. 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 backsteadyCommunity FoundationsAnimal Rescue and ShelterLocal History MuseumsYouth Sports ProgramsFood Banks and PantriesChristian Missionary Organi…Community Arts CentersFaith-Based Liberal Arts Co…Ymca Youth DevelopmentEnvironmental Conservation …
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 47 years old; the field is 16. You back the established end — and your money leans older still.

THE FIELDby orgYOUR GRANTEESby number22%2%<5yr14%8%5–10yr19%6%10–20yr16%25%20–35yr13%19%35–55yr16%42%55yr+
THE FIELDby orgYOUR MONEYby value22%0%<5yr14%2%5–10yr19%4%10–20yr16%44%20–35yr13%16%35–55yr16%34%55yr+

The field is 22% startups (under 5 years old) — 2% 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 13% of the field you don’t fund.

orgs you fund
0.0%0/57
the rest of the field
13%
240,396/1,819,508

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

51 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. 51 of the 63 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)
8
Early backer (in before they grew)
50/51
Grantees still filing
39/51
Grew since you first funded

Where your money sits — by cause, then by grantee

STUDENT PARTNER ALLIANCE A NEW JERSEY NON-PROFIT CORPORATION — $156,000 · EducationSTUDENT PARTNER ALLIANCE A NEW JERSEY NON-PROFIT …THE BUCKLEY SCHOOL IN THE CITY OF NEW YORK — $67,500 · EducationTHE BUCKLEY SCHOOL IN THE CITY OF NEW YORKEanes Education Foundation — $64,500 · EducationEanes Education FoundationTRUSTEES OF DEERFIELD ACADEMY — $16,500 · EducationCornell University — $14,800 · EducationBARNARD COLLEGE — $14,000 · Education+4 more — $20,650 · Education+4 moreCAMP FIRE — $57,000 · OtherCAMP FIREThe Frick Collection — $54,700 · OtherThe Frick CollectionTHE UNIVERSITY OF TEXAS MD ANDERSON CANCER CENTER — $22,500 · OtherTHE UNIVERSITY OF TEXAS MD AN…HOUSTON TENNIS ASSOCIATION INC — $17,750 · OtherHOUSTON TENNIS ASSOCIATION IN…WESTLAKE UNITED METHODIST CHURCH — $10,000 · OtherSTREETSQUASH INC — $8,000 · OtherCentral Texas Food Bank Inc — $7,500 · Other+17 more — $36,250 · Other+17 moreTHE MUSEUM OF FINE ARTS HOUSTON — $35,000 · Arts & CultureTHE MUSEUM…THE ENDOWMENT FOR THE MUSEUM OF FINE ARTS HOUSTON — $15,000 · Arts & CultureTHE ENDOWM…ALLEY THEATRE — $6,500 · Arts & CultureALLEY THEA…WESTERN RESERVE HISTORICAL SOCIETY — $5,000 · Arts & CultureWESTERN RE…LAKEVIEW CEMETERY FOUNDATION — $4,084 · Arts & CultureMETROPOLITAN MUSEUM OF ART — $3,300 · Arts & CultureFLORENCE GRISWOLD MUSEUM INC — $3,000 · Arts & Culture+4 more — $5,750 · Arts & Culture+4 moreCLEVELAND ZOOLOGICAL SOCIETY — $25,000 · AnimalsCLEVELAND…INTERNATIONAL FUND FOR ANIMAL WELFARE INC — $15,000 · AnimalsINTERNATI…Houston Zoo Inc — $11,700 · AnimalsHouston Z…AUSTIN PETS ALIVE INC — $9,500 · AnimalsAUSTIN PE…FRIENDS OF BARC INC — $4,500 · AnimalsFRIENDS O…Citizens For Animal Protection Inc — $2,300 · AnimalsAUSTIN YOUTH RIVER WATCH — $14,000 · EnvironmentHILL COUNTRY CONSERVANCY — $10,000 · EnvironmentFRIENDS OF THE COLORADO RIVER FOUNDATION — $3,500 · EnvironmentHouston Arboretum & Nature Center — $2,500 · EnvironmentNEW YORK BOTANICAL GARDEN — $2,250 · EnvironmentMemorial Park Conservancy Inc — $2,000 · Environment+1 more — $1,000 · EnvironmentEASTER SEALS OF GREATER HOUSTON INC — $19,800 · HealthCancerAGoGo — $10,000 · HealthOVERLOOK FOUNDATION — $2,000 · HealthSUMMIT AREA YOUNG MEN'S CHRISTIAN ASSOCIATION A NJ NONPROFIT CORPORATION — $20,750 · Human ServicesFRANCISCAN CHARITIES — $7,000 · Human Services
Education$353,950Other$213,700Arts & Culture$77,634Animals$68,000Environment$35,250Health$31,800Human Services$27,750

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 budgetSTUDENT PARTNER ALLIANCE A NEW JERSEY NON-PROFIT CORPORATION — $156,000 over 9y, 2.8% of budgetTHE BUCKLEY SCHOOL IN THE CITY OF NEW YORK — $67,500 over 7y, 0.1% of budgetEanes Education Foundation — $64,500 over 8y, 0.4% of budgetThe Frick Collection — $54,700 over 7y, 0.0% of budgetTHE MUSEUM OF FINE ARTS HOUSTON — $35,000 over 5y, 0.0% of budgetCLEVELAND ZOOLOGICAL SOCIETY — $25,000 over 6y, 0.1% of budgetSUMMIT AREA YOUNG MEN'S CHRISTIAN ASSOCIATION A NJ NONPROFIT CORPORATION — $20,750 over 9y, 0.0% of budgetEASTER SEALS OF GREATER HOUSTON INC — $19,800 over 7y, 0.0% of budgetHOUSTON TENNIS ASSOCIATION INC — $17,750 over 6y, 0.6% of budgetTRUSTEES OF DEERFIELD ACADEMY — $16,500 over 5y, 0.0% of budgetINTERNATIONAL FUND FOR ANIMAL WELFARE INC — $15,000 over 3y, 0.0% of budgetCornell University — $14,800 over 7y, 0.0% of budgetBARNARD COLLEGE — $14,000 over 5y, 0.0% of budgetAUSTIN YOUTH RIVER WATCH — $14,000 over 4y, 1.1% of budgetHouston Zoo Inc — $11,700 over 9y, 0.0% of budgetHILL COUNTRY CONSERVANCY — $10,000 over 2y, 0.4% of budgetCancerAGoGo — $10,000 over 1y, 6.7% of budgetAUSTIN PETS ALIVE INC — $9,500 over 4y, 0.0% of budgetAmericas Foundation-Fundacion De Las Americas — $9,400 over 5y, 1.3% of budgetSTREETSQUASH INC — $8,000 over 2y, 0.1% of budgetCentral Texas Food Bank Inc — $7,500 over 2y, 0.0% of budgetFRANCISCAN CHARITIES — $7,000 over 3y, 0.5% of budgetALLEY THEATRE — $6,500 over 2y, 0.0% of budgetWESTERN RESERVE HISTORICAL SOCIETY — $5,000 over 1y, 0.1% of budgetALEXS LEMONADE STAND FOUNDATION — $5,000 over 1y, 0.0% of budgetTRUSTEES OF THE LAWRENCEVILLE SCHOOL — $4,500 over 2y, 0.0% of budgetLAKEVIEW CEMETERY FOUNDATION — $4,084 over 3y, 0.1% of budgetThe Houston Food Bank — $4,000 over 1y, 0.0% of budgetYale University — $3,750 over 1y, 0.0% of budgetFRIENDS OF THE COLORADO RIVER FOUNDATION — $3,500 over 1y, 0.7% of budgetMETROPOLITAN MUSEUM OF ART — $3,300 over 2y, 0.0% of budgetLAND STUDIO INC — $3,000 over 2y, 0.1% of budgetTreeFolks Inc — $3,000 over 1y, 0.1% of budgetCONWAY SCHOOL OF LANDSCAPE DESIGN INC — $3,000 over 1y, 0.3% of budgetFLORENCE GRISWOLD MUSEUM INC — $3,000 over 1y, 0.1% of budgetHouston Arboretum & Nature Center — $2,500 over 1y, 0.1% of budgetMenil Foundation Inc — $2,500 over 1y, 0.0% of budgetCitizens For Animal Protection Inc — $2,300 over 2y, 0.0% of budgetNEW YORK BOTANICAL GARDEN — $2,250 over 2y, 0.0% of budgetMemorial Park Conservancy Inc — $2,000 over 1y, 0.0% of budgetOVERLOOK FOUNDATION — $2,000 over 1y, 0.0% of budgetTEAM WOOFGANG & CO INC — $2,000 over 2y, 0.2% of budgetLINCOLN CENTER FOR THE PERFORMING ARTS INC — $1,250 over 1y, 0.0% of budgetTHE OCEAN COMMUNITY UNITED THEATRE INC — $1,000 over 1y, 0.0% of budgetRiver Oaks Garden Club — $1,000 over 1y, 0.1% of budgetFAMILY PROMISE INC — $1,000 over 1y, 0.0% of budgetCLEVELAND MUSEUM OF ART — $1,000 over 1y, 0.0% of budgetMOBILE LOAVES & FISHES INC — $500 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 tightly interlocked camp — most of these funders back each other's grantees too.

Austin Community Foundation IncTX18.4× affinity7 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: Austin Community Foundation Inc · Jacob and Terese Hershey Foundation · The Ayco Charitable Foundation · Greater Houston Community Foundation · Shield-Ayres Foundation · The Cleveland Foundation · National Philanthropic Trust · Morgan Stanley Global Impact Funding Trust Inc · Vanguard Charitable Endowment Program · Shell USA Company Foundation · The Blackbaud Giving Fund · Charities Aid Foundation America

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 Mary A & Thomas F Grasselli Endowment 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 · 80%0%1%3%5%your share of their income ↑0%13%25%38%50%share of the org’s income from governmentmedian 2%
  • Yale University12% of income from government
  • Family Promise Inc2% of income from government
  • Florence Griswold Museum Inc2% of income from government
no gov moneyreceives it· size = income
8get no government money at all
13report government grants on their 990 we could not trace to a source (not plotted)
0rely on government for over half their income
⤢ axis zoomed · 0–50%
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 63 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