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Stupp Bros Bridge & Iron Foundation at a glance

· Private foundation

Stupp Bros Bridge & Iron 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.

$576k
Granted FY2025still arriving
92
Grants FY2025still arriving
19
States reached
$112k
Largest
01What it fundsRead
02The needRead
03Its granteesRead
04Its fieldRead
01What it funds
0198% classified

What it funded, over time

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

Education$1.1MPhilanthropy$621kRecreation & Sports$579kCommunity Improvement$327kHealth$153kInternational$117kArts & Culture$85kHuman Services$78kOther$0
02FY2025 · 92 grants

Where the money goes

Grants by size, and the largest recipients.

By grant size · FY2025

  • Under $10k75 grants · $216k
  • $10k–50k16 grants · $247k
  • $50k–250k1 grant · $112k
$3,500
Median grant
19
States reached
$12M
Total assets
Largest grants
RecipientAmount
UNITED WAY OF GREATER ST LOUIS$112,000
WASHINGTON UNIVERSITY - KOCH$35,000
MICDS$32,500
METROPOLITAN GOLF FOUNDATION (NIKLAUS AND NORMANDIE)$20,000
THE TOWER GROVE PARK FOUNDATION$20,000
COALITION FOR A PROSPEROUS AMERICA EDUCATION FUND INC$20,000
REGIONAL BUSINESS COUNCIL$15,000
ST LOUIS CHILDREN'S HOSPITAL FOUNDATION$12,750
ST JAMES EPISCOPAL DAY SCHOOL$11,000
WASHINGTON UNIVERSITY$11,000
BEYOND HOUSING INC$10,150
TEACH FOR AMERICA INC - SOUTH LOUISIANA$10,000
WRIGHT STATE UNIVERSITY$10,000
TOWN & COUNTRY HISTORICAL SOCIETY$10,000
VP COMMUNITY IMPACT FOUNDATION$10,000
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 (FY20–25, $22k) land where the poverty rate runs at 14%, against an area that typically sits at 12%. 38% of those dollars go to grantees based in above-average-need neighborhoods. Its grants skew toward lower-need ZIPs.

area typical 12%ARMY DISTAFF FOUNDATION: $500 → 14%THE ARMY DISTAFF FOUNDATION INC: $500 → 14%MISSOURI VETERANS ENDEAVOR: $1k → 11%MISSOURI VETERANS ENDEAVOR: $1k → 11%MISSOURI VETERANS ENDEAVOR: $1k → 11%MISSOURI VETERANS ENDEAVOR: $1k → 11%MISSOURI VETERANS ENDEAVOR: $1k → 11%AMERICAN RED CROSS: $250 → 14%FRIENDS OF KIDS WITH CANCER: $6k → 11%LITTLE BIT FOUNDATION: $1k → 11%THE LIFE OF A SINGLE MOM: $1k → 19%THE LIFE OF A SINGLE MOM: $1k → 19%AMERICAN RED CROSS: $1k → 11%AMERICAN RED CROSS: $1k → 11%GATEWAY REGION YMCA: $1k → 21%GATEWAY REGION YMCA: $1k → 21%GATEWAY REGION YMCA: $1k → 21%GATEWAY REGION YMCA: $1k → 21%GATEWAY REGION YMCA: $1k → 21%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

IL
WI
MI
NY
MA
OH
PA
NJ
CA
CO
MO
KY
VA
MD
KS
AR
TN
NC
DC
LA
AL
GA
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.

95%of every dollar goes to organizations it has funded before.
$3.1M · 141 repeat orgs$180k to everyone else

Grantees it renews have grown median revenue +37% since the first grant, against +13% for those funded once.

141 repeat relationships: 75 still active in FY2025, 66 since wound down; 15 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

141
54

Total granted

$3.1M
$112k

Median revenue growth · since first grant

+37%
+13%

Still filing today

62%
28%

New vs renewed · share of each year

In FY2025, 88% of grant dollars renewed an existing relationship; $68k 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
EducationHealthHuman ServicesRecreation & SportsPhilanthropyArts & CultureOther
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

  • MI
    Mary Institute and St Louis Country Day School
    6× · 2020–2025 · $190k · revenue +90%
  • FP
    Forest Park Forever Inc
    4× · 2020–2025 · $169k · revenue +137%
  • RB
    REGIONAL BUSINESS COUNCIL
    6× · 2020–2025 · $89k · revenue +14%

Funded once

  • SL
    SAINT LOUIS COUNTY LIBRARY FOUNDATION
    one grant, 2020 · $19k
  • CF
    CENTER FOR HEARING AND SPEECH - GIVING VOICES TO CHILDREN EVENT
    one grant, 2022 · $10k
  • VF
    VP FAIR FOUNDATION
    one grant, 2022 · $6k
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
Columbia College

Columbia college improves lives by providing quality education to both traditional and nontraditional students, helping them achieve their true potential.

Education
2
Furman University

The primary mission of furman as a liberal arts institution is to provide a distinctive education in fine arts, humanities, social sciences, mathematics and the sciences, as well as selected professional disciplines.

Education
3
Missouri Western State University Foundation Inc

The missouri western state university foundation is a not-for-profit charitable organization that functions solely to support the mission of missouri western state university, as stated in the university's mission statement. the foundation…

—
4
Augustana College

Rooted in the liberal arts & sciences & lutheran expression of the christian faith, & is committed to offering a challenging education that develops qualities of mind, spirit, & body necessary for a rewarding life of leadership & service…

Education
5
Saint Xavier University

Saint xavier university, a catholic institution inspired by the heritage of the sisters of mercy, educates persons to search for truth, think critically, communicate effectively and serve wisely and compassionately in support of human…

Education
6
Park University

Park university's mission is to transform lives through accessible, student-centered, quality higher education.

Education
7
Benedictine University

Benedictine University is an inclusive academic community dedicated to teaching and learning, scholarship and service, truth and justice, as inspired by the Catholic intellectual tradition, the social teaching of the Church, and the…

Education
8
University of the Sciences in Philadelphia

University of the sciences prepares students to become leaders, innovators, and skilled practitioners in the sciences, the health professions, and related disciplines. we deliver excellence in teaching, research, and service through a safe…

—
9
The Saint Louis Zoo Association

The saint louis zoo association was established to support and enhance the saint louis zoo by providing facilities, funds, and advice. the association provides direct financial support to the zoo for renovations, new facilities, programs,…

Animals
10
The George Washington University

The mission of the george washington university (gw) is to educate individuals in liberal arts, languages, sciences, learned professions, and other courses and subjects of study, and to conduct scholarly research and publish the findings…

Education
11
Loyola University

Loyola University New Orleans, a Jesuit and Catholic institution of higher education, welcomes students of diverse backgrounds and prepares them to lead meaningful lives with and for others; to pursue truth, wisdom, and virtue; and to work…

Education
12
Saint Peter's University

See schedule o.saint peter's university, inspired by its jesuit, catholic identity, commitment to individual attention, and grounding in the liberal arts, educates a diverse community of learners in undergraduate, graduate and professional…

Education
How this is measured
The grantee most central to the portfolio’s shape is Campbellsville University Inc; the most unlike its peers is Community Action of Southern Kentucky 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

113 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. 113 of the 213 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.

0
Load-bearing (≥25% of a budget)
27
Early backer (in before they grew)
112/113
Grantees still filing
83/113
Grew since first funded

Where the money sits, by cause and then by grantee

BOARD OF COMMISSIONERS OF TOWER GROVE PARK: $148,700 · OtherBOARD OF COMMISSIONERS OF TOWER GROVE PARKCOLORADO STATE UNIVERSITY: $138,500 · OtherCOLORADO STATE UNIVERSITYCOALITION FOR A PROSPEROUS AMERICA EDUCATION FUND INC: $95,000 · OtherCOALITION FOR A PROSPEROUS AMERICA EDUCATION FUND…The Tower Grove Park Foundation: $60,000 · OtherMETROPOLITAN GOLF FOUNDATION (NIKLAUS AND NORMANDIE): $60,000 · OtherBEYOND HOUSING INC: $72,650 · Other+131 more: $918,887 · Other+131 moreUNITED WAY OF GREATER ST LOUIS INC: $520,481 · PhilanthropyUNITED WAY OF GREATER…CAPITAL AREA UNITED WAY: $34,000 · PhilanthropyTIGERS UNLIMITED FOUNDATION: $30,000 · PhilanthropyUNITED WAY OF SOUTHERN KENTUCKY INC: $27,000 · Philanthropy+3 more: $37,750 · Philanthropy+3 moreMary Institute and St Louis Country Day School: $190,200 · EducationMary Institute and …Bucknell University: $61,000 · EducationBucknell UniversityWASHINGTON UNIVERSITY: $54,250 · EducationWASHINGTON UNIVERSI…THE HOWARD UNIVERSITY: $40,000 · EducationTHE HOWARD UNIVERSI…Teach for America Inc: $35,000 · EducationTeach for America I…DUKE UNIVERSITY: $30,000 · EducationLEHIGH UNIVERSITY: $30,000 · EducationCITY ACADEMY INC: $29,000 · EducationMISSOURI COLLEGES FUND INC: $20,000 · Education+17 more: $104,500 · Education+17 moreVAIL VALLEY FOUNDATION: $96,000 · Community ImprovementVAIL VALLE…REGIONAL BUSINESS COUNCIL: $88,500 · Community ImprovementREGIONAL B…GREAT RIVERS GREENWAY FOUNDATION: $65,000 · Community ImprovementGREAT RIVE…VP COMMUNITY IMPACT FOUNDATION: $54,700 · Community ImprovementVP COMMUNI…+1 more: $2,500 · Community ImprovementForest Park Forever Inc: $168,697 · Environment+2 more: $6,000 · EnvironmentFAIR SAINT LOUIS FOUNDATION: $35,000 · Recreation & SportsMETROPOLITAN GOLF FOUNDATION: $22,000 · Recreation & SportsPATRIOT TRAINING FOUNDATION: $10,500 · Recreation & SportsUSA Swimming Foundation Inc: $10,000 · Recreation & SportsST LOUIS SPORTS FOUNDATION INC: $6,000 · Recreation & SportsTenth Mountain Division Hut Assn Inc 10th Mountain: $5,750 · Recreation & Sports+2 more: $2,500 · Recreation & SportsST LOUIS CHILDREN'S HOSPITAL FOUNDATION: $39,750 · HealthST JUDE CHILDREN'S RESEARCH HOSPITAL INC: $11,500 · HealthSPONDYLITIS ASSOCIATION OF AMERICA: $10,500 · HealthALZHEIMER'S SERVICES OF THE CAPITAL AREA: $9,200 · Health+10 more: $11,750 · Health
Other$1,493,737Philanthropy$649,231Education$593,950Community Improvement$306,700Environment$174,697Recreation & Sports$91,750Health$82,700

Showing the 200 largest grantees by grant value.

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 budgetUNITED WAY OF GREATER ST LOUIS INC: $520,481 over 6y, 0.2% of budgetMary Institute and St Louis Country Day School: $190,200 over 6y, 0.1% of budgetForest Park Forever Inc: $168,697 over 4y, 0.7% of budgetVAIL VALLEY FOUNDATION: $96,000 over 5y, 0.3% of budgetCOALITION FOR A PROSPEROUS AMERICA EDUCATION FUND INC: $95,000 over 5y, 1.6% of budgetREGIONAL BUSINESS COUNCIL: $88,500 over 6y, 0.5% of budgetBEYOND HOUSING INC: $72,650 over 6y, 0.2% of budgetGREAT RIVERS GREENWAY FOUNDATION: $65,000 over 6y, 0.6% of budgetBucknell University: $61,000 over 6y, 0.0% of budgetThe Tower Grove Park Foundation: $60,000 over 3y, 1.5% of budgetVP COMMUNITY IMPACT FOUNDATION: $54,700 over 6y, 6.7% of budgetWASHINGTON UNIVERSITY: $54,250 over 5y, 0.0% of budgetTHE HOWARD UNIVERSITY: $40,000 over 5y, 0.0% of budgetST LOUIS CHILDREN'S HOSPITAL FOUNDATION: $39,750 over 3y, 0.0% of budgetTeach for America Inc: $35,000 over 6y, 0.0% of budgetFAIR SAINT LOUIS FOUNDATION: $35,000 over 4y, 1.1% of budgetCAPITAL AREA UNITED WAY: $34,000 over 6y, 0.1% of budgetTIGERS UNLIMITED FOUNDATION: $30,000 over 6y, 0.0% of budgetDUKE UNIVERSITY: $30,000 over 6y, 0.0% of budgetLEHIGH UNIVERSITY: $30,000 over 6y, 0.0% of budgetCITY ACADEMY INC: $29,000 over 6y, 0.1% of budgetMISSOURI HISTORICAL SOCIETY: $27,235 over 6y, 0.0% of budgetUNITED WAY OF SOUTHERN KENTUCKY INC: $27,000 over 6y, 0.3% of budgetBowling Green Area Chamber Foundation Inc: $27,000 over 6y, 3.2% of budgetMETROPOLITAN GOLF FOUNDATION: $22,000 over 2y, 2.1% of budgetGARY AND VIVIENNE PLAYER FOUNDATION: $20,000 over 4y, 0.5% of budgetMISSOURI COLLEGES FUND INC: $20,000 over 4y, 0.9% of budgetTHE WOMAN'S EXCHANGE OF ST LOUIS: $18,000 over 4y, 0.4% of budgetDOGWOOD FARM SANCTUARY: $17,000 over 5y, 3.9% of budgetYELLOW RIBBON FUND INC: $16,750 over 6y, 0.4% of budgetTRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA: $15,000 over 2y, 0.0% of budgetUNIVERSITY OF THE SOUTH: $14,500 over 5y, 0.0% of budgetLOUISIANA ART & SCIENCE MUSEUMINC: $14,000 over 4y, 0.2% of budgetDONALD DANFORTH PLANT SCIENCE CENTER: $12,700 over 4y, 0.0% of budgetST JUDE CHILDREN'S RESEARCH HOSPITAL INC: $11,500 over 2y, 0.0% of budgetBATON ROUGE ALLIANCE FOR STUDENTS: $11,400 over 4y, 0.4% of budgetSPONDYLITIS ASSOCIATION OF AMERICA: $10,500 over 5y, 0.2% of budgetPATRIOT TRAINING FOUNDATION: $10,500 over 6y, 3.8% of budgetRanken Technical College: $10,500 over 5y, 0.0% of budgetUSA Swimming Foundation Inc: $10,000 over 4y, 0.1% of budgetSAFER WATERS IN MEMORY - OF NICHOLAS: $9,850 over 4y, 2.3% of budgetALZHEIMER'S SERVICES OF THE CAPITAL AREA: $9,200 over 5y, 0.1% of budgetSt Louis Police Foundation: $8,000 over 3y, 0.0% of budgetThe Trustees of Princeton University: $7,900 over 5y, 0.0% of budgetSOUTHCENTRAL KENTUCKY COMMUNITY & TECHNICAL COLLEGE FOUNDATION INC: $6,500 over 3y, 0.5% of budgetSWEET BRIAR INSTITUTE: $6,000 over 6y, 0.0% of budgetLOUISBURG COLLEGE: $6,000 over 6y, 0.0% of budgetHUMANE SOCIETY OF MISSOURI: $6,000 over 6y, 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 UNITED WAY OF GREATER ST LOUIS INC ↗
  • Who funds Mary Institute and St Louis Country Day School ↗
  • Who funds Forest Park Forever Inc ↗
  • Who funds VAIL VALLEY FOUNDATION ↗
  • Who funds COALITION FOR A PROSPEROUS AMERICA EDUCATION FUND INC ↗
  • Who funds REGIONAL BUSINESS COUNCIL ↗
  • Who funds BEYOND HOUSING INC ↗
  • Who funds GREAT RIVERS GREENWAY FOUNDATION ↗
  • Who funds Bucknell University ↗
  • Who funds The Tower Grove Park Foundation ↗
  • Who funds VP COMMUNITY IMPACT FOUNDATION ↗
  • Who funds WASHINGTON UNIVERSITY ↗
  • Who funds THE HOWARD UNIVERSITY ↗
  • Who funds ST LOUIS CHILDREN'S HOSPITAL FOUNDATION ↗
  • Who funds Teach for America Inc ↗
  • Who funds FAIR SAINT LOUIS FOUNDATION ↗
  • Who funds CAPITAL AREA UNITED WAY ↗
  • Who funds TIGERS UNLIMITED FOUNDATION ↗
  • Who funds DUKE UNIVERSITY ↗
  • Who funds LEHIGH UNIVERSITY ↗
  • Who funds CITY ACADEMY INC ↗
  • Who funds MISSOURI HISTORICAL SOCIETY ↗
  • Who funds UNITED WAY OF SOUTHERN KENTUCKY INC ↗
  • Who funds Bowling Green Area Chamber Foundation Inc ↗
  • Who funds METROPOLITAN GOLF FOUNDATION ↗
  • Who funds GARY AND VIVIENNE PLAYER FOUNDATION ↗
  • Who funds MISSOURI COLLEGES FUND 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.

St Louis Community Fo…World Wide Technology…Centene FoundationSt Louis Community Fo…United Way of Greater…Edward Jones Foundati…Commerce Bancshares F…Moneta Group Charitab…Pershing Charitable T…Fischer-Bauer-Knirps …The Lilly Christy Bus…Brown Dana Charitable…
St Louis Community Foundation IncMO48.2× affinity26 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: St Louis Community Foundation Inc · World Wide Technology Foundation · Centene Foundation · St Louis Community Foundation · United Way of Greater St Louis Inc · Edward Jones Foundation · Commerce Bancshares Foundation · Moneta Group Charitable Foundation · Pershing Charitable Trust · Fischer-Bauer-Knirps Foundation · The Lilly Christy Busch Hermann Foundation · Brown Dana Charitable Trust

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 Stupp Bros Bridge & Iron Foundation funds: left to right is the share of its income from government, bottom to top the share from Stupp Bros Bridge & Iron Foundation. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 10%1%3%6%10%funder's share of their income ↑0%13%25%38%50%share of the org’s income from government →median 4%
  • The Trustees of Princeton University: 11% of income from government
  • Best Buddies International Inc: 4% of income from government
  • Yellow Ribbon Fund Inc: 0% of income from government
  • Wounded Warrior Project Inc: 0% of income from government
no gov moneyreceives it· size = income
1get 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 · 0–50%
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.

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 213 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 2025, released 2025. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

Source object · view filing

Play a game based on Stupp Bros Bridge & Iron’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