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Plinth
Foundation Dossiers
Plinth

· Private foundation

Schoonmaker J & L for Swkly Val Hosp

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.

$389k
Granted FY2025still arriving
24
Grants FY2025still arriving
1
States reached
$50k
Largest
01What you fundRead
02The needRead
03Your edgeRead
04Your fieldRead
01What you fund
01100% classified

What you funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year — across FY2020–2025.

Arts & Culture$1.0MHealth$315kEducation$288kPhilanthropy$200kHuman Services$128kReligion$114kFood & Nutrition$108kYouth Development$60kOther$0
02FY2025 · 24 grants

Where the money goes

Your grants by size, and where they go.

By grant size · FY2025

  • Under $10k4 grants · $23k
  • $10k–50k18 grants · $267k
  • $50k–250k2 grants · $100k
$15,000
Median grant
1
States reached
$7.6M
Total assets
Largest grants
RecipientAmount
HERITAGE VALLEY HEALTH SYSTEM$50,000
UNITED WAY OF ALLEGHENY COUNTY$50,000
SEWICKLEY ACADEMY$25,000
EAST END COOPERATIVE MINISTRIES$20,000
PITTSBURGH SYMPHONY ORCHESTRA$20,000
ST STEPHEN'S CHURCH$20,000
412 FOOD RESCUE$17,500
CITY THEATRE$17,000
CARNEGIE MUSEUMS OF PITTSBURGH$16,500
NATIONAL AVIARY$15,000
READING IS FUNDAMENTAL$15,000
PITTSBURGH BOTANIC GARDEN$15,000
PITTSBURGH CULTURAL TRUST$15,000
PITTSBURGH PUBLIC THEATER$10,500
PICT CLASSIC THEATER$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, $128k) land where the poverty rate runs at 11%, 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.

area typical 11%EAST END COOPERATIVE MINISTRY: $30k → 11%EAST END COOPERATIVE MINISTRIES: $30k → 11%EAST END COOPERATIVE MINISTRIES: $30k → 11%EAST END COOPERATIVE MINISTRIES: $20k → 11%ALLIES FOR CHILDREN: $10k → 11%CRISIS CENTER NORTH: $8k → 11%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.

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.

91%of every dollar goes to organizations you’ve funded before.
$1.9M · 21 repeat orgs$185k to everyone else

And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +23% since the first grant, against +8% for the ones you funded once.

21 repeat relationships — 18 still active in FY2025, 3 since wound down; 4 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

21
10

Total granted

$1.9M
$143k

Median revenue growth · since first grant

+23%
+8%

Still filing today

86%
70%

New vs renewed · share of each year

In FY2025, 88% of grant dollars renewed an existing relationship; $42k went to new ones.

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

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

’20’21’22’23’24’25
Arts & CultureEducationHuman ServicesHealthFood & NutritionAnimalsOther

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

  • HV
    HERITAGE VALLEY HEALTH SYSTEM INC
    4× · 2020–2023 · $200k · revenue +88%
  • SA
    SEWICKLEY ACADEMY
    6× · 2020–2025 · $160k · revenue +23%
  • PC
    PITTSBURGH CULTURAL TRUST
    4× · 2020–2025 · $93k · revenue +174%

Funded once

  • TC
    THE CITY THEATRE COMPANY
    one grant, 2024 · $25k · revenue +13%
  • BS
    BOY SCOUTS OF AMERICA
    one grant, 2020 · $20k
  • CT
    CITY THEATER
    one grant, 2023 · $20k

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
Point Park University

Provides innovative education in a dynamic urban setting. dedicated to academic excellence and community engagement,we prepare students of diverse backgrounds with the knowledge, skill,and experience to lead meaningful lives as informed…

—
2
Zoological Society of Pittsburgh

The zoological society of pittsburgh is dedicated to being a leader in, and significant contributor to, the conservation of endangered and threatened species. the society provides an enjoyable family experience that fosters understanding,…

Animals
3
Pittsburgh International Classic Theatre

Challenging, educating and entertaining pittsburgh audiences by providing high quality theatre at reasonable prices, while focusing on irish, english and classical works.

Arts & Culture
4
Pittsburgh Arts & Lectures Inc

The mission of pittsburgh arts & lectures is to connect celebrated authors with the community, elevate civic discourse, and inspire creativity and a passion for the literary arts. our commitment to knowledge, learning, integrity, and…

Arts & Culture
5
Pittsburgh Entertainment Project

To create a vibrant, responsible, and sustainable film and digital media sector in southwestern pennsylvania.

—
6
University of Pittsburgh

The university of pittsburgh, founded in 1787, is one of the oldest institutions of higher education in the united states and one of the nation's top public research universities. for more than two centuries, the university of pittsburgh…

Education
7
Pittsburgh Festival Opera

Pittsburgh festival opera presents innovative opera for imaginative audiences. pittsburgh festival opera is pittsburgh's modern music drama company and, as such, focuses on creating new works, on reinterpreting older works in new ways, on…

Arts & Culture
8
Pittsburgh Parks Conservancy

We improve quality of life by enhancing and stewarding pittsburgh's parks in partnership with the community.

Recreation & Sports
9
The Friends of the Pittsburgh Institutions
—
10
Historical Society of Western Pennsylvania

The historical society of western pennsylvania is an educational institution that engages and inspires a large and inclusive audience with links to the past, understanding in the present, and guidance for the future by preserving regional…

Arts & Culture
11
Pittsburgh Council On Higher Education

To provide a means for sharing resources and information among members, engage in joint projects, and offer a common voice on educational matters.

Education
12
Quantum Theatre Inc

Quantum theatre is a company of progressive, professional artists dedicated to producing intimate and sophisticated theatrical experiences in uncommon settings, exploring universal themes of truth, beauty, and human relationships in…

Arts & Culture

For reference, the grantee most central to the portfolio’s shape is Pittsburgh Cultural Trust and the most unlike its peers is Mckeesport Regional History & Herit. 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 41 years old; the field is 20. You back the established end — and your money leans older still.

THE FIELDby orgYOUR GRANTEESby number16%0%<5yr12%0%5–10yr19%4%10–20yr21%29%20–35yr16%43%35–55yr16%25%55yr+
THE FIELDby orgYOUR MONEYby value16%0%<5yr12%0%5–10yr19%4%10–20yr21%24%20–35yr16%22%35–55yr16%51%55yr+

The field is 16% 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 8% of the field you don’t fund.

orgs you fund
0.0%0/30
the rest of the field
8%
764/9,876

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

29 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. 29 of the 36 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)
29/29
Grantees still filing
19/29
Grew since you first funded

Where your money sits — by cause, then by grantee

PITTSBURGH OPERA INC — $529,500 · Arts & CulturePITTSBURGH OPERA INCPITTSBURGH CULTURAL TRUST — $92,500 · Arts & CulturePITTSBURGH CULTURAL TRUSTPITTSBURGH SYMPHONY INC — $80,000 · Arts & CulturePITTSBURGH SYMPHONY INCPITTSBURGH PUBLIC THEATER CORPORATION — $70,500 · Arts & CulturePITTSBURGH PUBLIC THEATER CORPORATIONCARNEGIE INSTITUTE — $61,500 · Arts & CultureCARNEGIE INSTITUTENEVILLE HOUSE ASSOCIATES INC — $35,000 · Arts & Culture+5 more — $72,000 · Arts & Culture+5 moreHERITAGE VALLEY HEALTH SYSTEM INC — $200,000 · HealthHERITAGE VALLE…VALLEY MEDICAL FACILITIES INC — $100,000 · HealthVALLEY MEDICAL…SEWICKLEY ACADEMY — $160,000 · EducationSEWICKLEY ACA…READING IS FUNDAMENTAL PITTSBURGH — $55,000 · EducationREADING IS FU…THE ELLIS SCHOOL — $30,000 · EducationTHE ELLIS SCH…LITERACY PITTSBURGH — $22,500 · EducationLITERACY PITT…THE CHILDREN'S INSTITUTE OF PITTSBURGH — $10,000 · EducationCHATHAM UNIVERSITY — $10,000 · EducationST STEPHEN'S CHURCH — $114,000 · OtherST STEPHEN'S CHUR…GREATER MONESSEN HISTORICAL SOCIETY — $40,000 · OtherGREATER MONESSEN …BIG BROTHERS BIG SISTERS — $25,000 · OtherBIG BROTHERS BIG …BOY SCOUTS OF AMERICA — $20,000 · OtherBOY SCOUTS OF AME…CITY THEATER — $20,000 · OtherCITY THEATERBig Brothers Big Sisters of Greater Birmingham Inc — $15,000 · OtherTHE CHILDRENS INSTITUTE — $15,000 · OtherNATIONAL AVIARY IN PITTSBURGH INC — $50,000 · OtherNATIONAL AVIARY I…Pittsburgh Botanic Garden — $45,000 · OtherPittsburgh Botani…+2 more — $20,000 · Other+2 moreTHE UNITED WAY OF SOUTHWESTERN PENNSYLVANIA — $200,000 · PhilanthropyTHE UNITE…EAST END COOPERATIVE MINISTRY — $110,000 · Human ServicesALLIES FOR CHILDREN — $10,000 · Human ServicesCRISIS CENTER NORTH INC — $7,500 · Human Services412 FOOD RESCUE INC — $67,500 · Food & NutritionGREATER PITTSBURGH COMMUNITY FOOD BANK — $40,000 · Food & Nutrition
Arts & Culture$941,000Health$300,000Education$287,500Other$364,000Philanthropy$200,000Human Services$127,500Food & Nutrition$107,500

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 budgetPITTSBURGH OPERA INC — $529,500 over 6y, 3.6% of budgetHERITAGE VALLEY HEALTH SYSTEM INC — $200,000 over 4y, 0.4% of budgetTHE UNITED WAY OF SOUTHWESTERN PENNSYLVANIA — $200,000 over 4y, 0.1% of budgetSEWICKLEY ACADEMY — $160,000 over 6y, 0.1% of budgetEAST END COOPERATIVE MINISTRY — $110,000 over 4y, 0.8% of budgetVALLEY MEDICAL FACILITIES INC — $100,000 over 2y, 0.0% of budgetPITTSBURGH CULTURAL TRUST — $92,500 over 4y, 0.1% of budgetPITTSBURGH SYMPHONY INC — $80,000 over 4y, 0.1% of budgetPITTSBURGH PUBLIC THEATER CORPORATION — $70,500 over 5y, 0.3% of budget412 FOOD RESCUE INC — $67,500 over 3y, 0.2% of budgetCARNEGIE INSTITUTE — $61,500 over 4y, 0.0% of budgetREADING IS FUNDAMENTAL PITTSBURGH — $55,000 over 4y, 1.2% of budgetNATIONAL AVIARY IN PITTSBURGH INC — $50,000 over 4y, 0.2% of budgetPittsburgh Botanic Garden — $45,000 over 3y, 0.7% of budgetGREATER PITTSBURGH COMMUNITY FOOD BANK — $40,000 over 2y, 0.0% of budgetNEVILLE HOUSE ASSOCIATES INC — $35,000 over 2y, 13% of budgetTHE ELLIS SCHOOL — $30,000 over 3y, 0.1% of budgetTHE CITY THEATRE COMPANY — $25,000 over 1y, 17% of budgetLITERACY PITTSBURGH — $22,500 over 3y, 0.1% of budgetThe City Theatre Company Inc — $17,000 over 1y, 0.5% of budgetBig Brothers Big Sisters of Greater Birmingham Inc — $15,000 over 1y, 0.9% of budgetPITTSBURGH BALLET THEATRE INC — $15,000 over 3y, 0.1% of budgetTHE CHILDREN'S INSTITUTE OF PITTSBURGH — $10,000 over 1y, 0.0% of budgetCHATHAM UNIVERSITY — $10,000 over 1y, 0.0% of budgetALLIES FOR CHILDREN — $10,000 over 1y, 1.4% of budgetPITTSBURGH MUSICAL THEATER — $10,000 over 1y, 0.4% of budgetFRICK ART & HISTORICAL CENTER INC — $10,000 over 1y, 0.1% of budgetCRISIS CENTER NORTH INC — $7,500 over 1y, 0.5% of budgetMCKEESPORT REGIONAL HISTORY & HERIT — $5,000 over 1y, 3.7% 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.

Hillman Family Founda…The Pittsburgh Founda…The Grable FoundationRichard King Mellon F…Eqt FoundationThe Burke Family Foun…The Burke FoundationThe Jack Buncher Foun…The Heinz EndowmentsClapp G H Decd Char a…McCune Foundation Pnc…Allegheny Foundation
Hillman Family FoundationsPA35.2× affinity15 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: Hillman Family Foundations · The Pittsburgh Foundation · The Grable Foundation · Richard King Mellon Foundation · Eqt Foundation · The Burke Family Foundation · The Burke Foundation · The Jack Buncher Foundation · The Heinz Endowments · Clapp G H Decd Char and Ed Tr · McCune Foundation Pnc Bank Na · Allegheny 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 Schoonmaker J & L for Swkly Val Hosp 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 or a single department — and drag the year to watch it move.

2024
’20’21’22’23’24’25
no gov · 00%1%5%11%20%your share of their income ↑0%6%13%19%25%share of the org’s income from government →
    no gov moneyreceives it· size = income
    0get no government money at all
    19report 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

    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 36 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

    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 camps
    funders cluster by geography, not ideology
    By state
    where grant money is based, and what stays home
    State money flows
    the interactive map of money crossing state lines