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Missouri · Private foundation

Leon and Mary Strauss Charitable 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.

$400k
Granted FY2025(still arriving)
59
Grants FY2025
34
Organizations funded FY2024
12%
First-time grantees FY2024
Read the full brief
Median grant, FY2025
$5,000
Largest grant, FY2025
$40,000
Organizations funded a year
7 to 85
FY2018 to FY2024
States reached, FY2025
7
Total assets, FY2025
$4.5M
Applications
Preselected organizations only
Per its most recent filing; check its own site

How open it is to new grantees

In FY2024, 12% of the organizations Leon and Mary Strauss Charitable Foundation funded were first-time grantees, receiving 3% of its grant dollars.

New vs renewed · share of each year

In FY2024, 97% of grant dollars renewed an existing relationship; $8k went to new ones.

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

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

’18’19’20’21’22’23’24
Arts & CultureAnimalsInternationalHuman ServicesEducationHealthOther
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.
The numbers by year
Fiscal yearOrganizations fundedTo those organizationsFirst-time grantees
FY2025still arriving59$400k34%
FY202434$267k12%
FY202385$289k44%
FY202234$172k21%
FY202158$232k17%
FY202059$306k36%
FY201947$278k85%
FY20187$108k86%
94% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2017 to 2025.

Arts & Culture$939kHealth$501kAnimals$247kFood & Nutrition$57kEducation$49kPhilanthropy$40kCommunity Improvement$33kHuman Services$22kOther$0

Where its grants go

Grant dollars by states, across the years we hold.

Which US states its grants reach

IL
NY
IA
CT
CA
MO
KS
TN
DC
OK
GA
TX

Top grantees

Largest recipients by total granted, FY2017 to FY2025, and the share of each one’s budget the grants supplied at peak.

Show all 91 grantees
All grantees of Leon and Mary Strauss Charitable Foundation by total granted
GranteeTotal grantedYearsShare of their budget
Dance Saint Louis$110,00084%
Stages St Louis$90,00041%
Cinema St Louis$90,00072%
The Cat Shelter$57,50043%
Fox Performing Arts Charitable Foundation$51,50040%
Saint Louis Symphony Orchestra$40,00040%
St Louis Art Museum Foundation$40,00080%
Cabaret Project of Saint Louis$39,000614%
Saint Louis Fashion Fund$33,00014%
The Repertory Theatre of St Louis$30,00040%
The Foundation for Barnes-Jewish Hospital$30,00030%
St Louis Regional Public Media Inc$25,00010%
Circus Harmony$23,50061%
St Louis University$21,00050%
Tennessee Williams Festival St Louis$20,00026%
Open Door Animal Sanctuary$19,50060%
The Greater St Louis Arts and Education Council$18,00041%
French-American Cultural Foundation$15,7501n/a
St Louis Feral Cat Outreach Inc$15,00036%
Missouri Historical Society$12,50030%
Animal Protective Association of Missouri$12,50030%
Humane Society of Missouri$11,00030%
Gateway Pet Guardians$10,00030%
Stray Dog Theatre$10,00030%
Opera Theatre of Saint Louis$10,00020%
Washington University$10,00040%
Webster University$8,50030%
Chamber Music Society of St Louis Inc$8,50031%
Meds & Food for Kids$7,60050%
Forest Park Forever Inc$7,50060%
Photo Art & Science Foundation$7,50042%
The Bach Society of Saint Louis$7,00070%
Radio Arts Foundation$6,50050%
Operation Food Search Inc$6,00030%
St Jude Children's Research Hospital Inc$6,00020%
St Louis Black Repertory Company Inc$6,00030%
Jewish Community Center$5,50020%
Ozark Actors Theatre$5,10020%
St Louis Public Library$5,0005n/a
St Louis Area Food Bank Inc$5,00040%
Abortion Action Missouri Foundation$5,00010%
Pound Pets Inc$5,00015%
The Goode Life Rescue$5,0001n/a
Operation Spot Inc$5,00013%
River City Journalism Fund Inc$5,00015%
Full Circle Mo Feral$3,50022%
Wild Canid Survival and Research Center Inc Dba Endangered Wolf Center$3,25040%
Max & Louie Productions$3,00035%
Cooperative for Assistance and Relief Everywhere Inc$3,00030%
Contemporary Art Museum St Louis$3,00030%
Food Outreach Inc$3,00030%
Variety the Childrens Charity of St Louis$3,00020%
Springboard to Learning Inc$3,00030%
Jazz St Louis$3,00030%
The Salvation Army$2,5001n/a
St Louis Volunteer Lawyers and Accountants for the Arts$2,50021%
Memory Care Home Solutions$2,50010%
The St Louis Children's Choirs$2,50010%
St Louis Kaplan Feldman Holocaust Museum$2,50010%
St Louis Childrens Hospital$2,0002n/a
Circus Flora Inc$2,00020%
Dayspring Arts & Education$2,00010%
St Louis Arc Inc$2,00020%
Feed the Children Inc$2,00020%
Smile Train Inc$2,00020%
St Louis Shakespeare$2,00023%
Mercy Ships International$1,50020%
Laumeier Sculpture Park$1,50030%
Salvation Army$1,0001n/a
Saint Louis Visionary Awards$1,0001n/a
American Institute for Respiratory Equity$1,00010%
The Library Foundation for the Benefit of St Louis Public Library$1,00010%
The Sheldon Arts Foundation$1,00010%
National Network of Abortion Funds$1,00010%
Stray Rescue of St Louis$1,00010%
International Institute of Metropolitan St Louis$1,00010%
International Fund for Animal Welfare Inc$1,00010%
Save The Children Federation Inc$1,00010%
Shriners Hospital for Children$1,000131%
Feeding America$1,00020%
Lydia's House Inc$50010%
Nurses for Newborns$50010%
League of Women Voters of Metro St Louis$50010%
National Council of Jewish Women Greater Kansas City Section Inc$50011%
St Louis Society for the Blind$50010%
Special Education Foundation$50010%
Paws for Purple Hearts$50010%
The Scholarship Foundation of St Louis$50010%
St Louis Theatre Organ Society$2501n/a
New Music Circle$25010%
St Louis Jewish Light$25010%

What it could do for these grantees

Plus 61 recipients with no EIN on record ($1.1M), not named here.

Where it is load-bearing

Leon and Mary Strauss Charitable Foundation supplied at least a quarter of the budget for 1 of its grantees at some point. The chart plots its 83 largest grantees; load-bearing ones sit top left.

25%50%75%100%$100k$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetDance Saint Louis: $110,000 over 8y, 3.9% of budgetStages St Louis: $90,000 over 4y, 1.1% of budgetCinema St Louis: $90,000 over 7y, 2.1% of budgetThe Cat Shelter: $57,500 over 4y, 3.2% of budgetFox Performing Arts Charitable Foundation: $51,500 over 4y, 0.1% of budgetSaint Louis Symphony Orchestra: $40,000 over 4y, 0.0% of budgetSt Louis Art Museum Foundation: $40,000 over 8y, 0.0% of budgetCabaret Project of Saint Louis: $39,000 over 6y, 14% of budgetSaint Louis Fashion Fund: $33,000 over 1y, 3.6% of budgetThe Repertory Theatre of St Louis: $30,000 over 4y, 0.3% of budgetThe Foundation for Barnes-Jewish Hospital: $30,000 over 3y, 0.2% of budgetSt Louis Regional Public Media Inc: $25,000 over 1y, 0.1% of budgetCircus Harmony: $23,500 over 6y, 1.3% of budgetSt Louis University: $21,000 over 5y, 0.0% of budgetTennessee Williams Festival St Louis: $20,000 over 2y, 6.0% of budgetOpen Door Animal Sanctuary: $19,500 over 6y, 0.3% of budgetThe Greater St Louis Arts and Education Council: $18,000 over 4y, 0.7% of budgetSt Louis Feral Cat Outreach Inc: $15,000 over 3y, 6.5% of budgetMissouri Historical Society: $12,500 over 3y, 0.0% of budgetAnimal Protective Association of Missouri: $12,500 over 3y, 0.1% of budgetHumane Society of Missouri: $11,000 over 3y, 0.0% of budgetGateway Pet Guardians: $10,000 over 3y, 0.1% of budgetStray Dog Theatre: $10,000 over 3y, 0.4% of budgetOpera Theatre of Saint Louis: $10,000 over 2y, 0.1% of budgetWashington University: $10,000 over 4y, 0.0% of budgetWebster University: $8,500 over 3y, 0.0% of budgetChamber Music Society of St Louis Inc: $8,500 over 3y, 0.9% of budgetMeds & Food for Kids: $7,600 over 5y, 0.0% of budgetForest Park Forever Inc: $7,500 over 6y, 0.0% of budgetPhoto Art & Science Foundation: $7,500 over 4y, 1.9% of budgetThe Bach Society of Saint Louis: $7,000 over 7y, 0.3% of budgetRadio Arts Foundation: $6,500 over 5y, 0.1% of budgetOperation Food Search Inc: $6,000 over 3y, 0.0% of budgetSt Jude Children's Research Hospital Inc: $6,000 over 2y, 0.0% of budgetSt Louis Black Repertory Company Inc: $6,000 over 3y, 0.2% of budgetJewish Community Center: $5,500 over 2y, 0.0% of budgetOzark Actors Theatre: $5,100 over 2y, 0.0% of budgetSt Louis Area Food Bank Inc: $5,000 over 4y, 0.0% of budgetAbortion Action Missouri Foundation: $5,000 over 1y, 0.3% of budgetPound Pets Inc: $5,000 over 1y, 5.4% of budgetOperation Spot Inc: $5,000 over 1y, 3.2% of budgetRiver City Journalism Fund Inc: $5,000 over 1y, 4.8% of budgetFull Circle Mo Feral: $3,500 over 2y, 2.1% of budgetWild Canid Survival and Research Center Inc Dba Endangered Wolf Center: $3,250 over 4y, 0.0% of budgetMax & Louie Productions: $3,000 over 3y, 5.0% of budgetCooperative for Assistance and Relief Everywhere Inc: $3,000 over 3y, 0.0% of budgetContemporary Art Museum St Louis: $3,000 over 3y, 0.0% of budgetFood Outreach Inc: $3,000 over 3y, 0.1% of budget

Tap a dot to name the grantee.

How this is measured
Share of budget is the funder’s grant in a year over the grantee’s total revenue that year, at its highest across the years we hold; revenue is from all sources. Only grantees confirmed against their own filings, whose grants do not exceed their revenue, are plotted: the largest 83.

Nonprofits that may fit its grantmaking

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.

Regional Cultural and Performing Arts Development CommissionMO78.3× affinity36 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: Regional Cultural and Performing Arts Development Commission · St Louis Community Foundation · St Louis Community Foundation Inc · The Kranzberg Family Charitable Foundation · Trio Foundation of St Louis · Edward Jones Foundation · United Way of Greater St Louis Inc · Employees Community Fund of the Boeing Company · Centene Foundation · Sam and Marilyn Fox Foundation · Moneta Group Charitable Foundation · World Wide Technology 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.

Compare Leon and Mary Strauss Charitable Foundation with peer funders

Warm introductions · Powered by PlinthPlus

How do I get to Leon and Mary Strauss Charitable Foundation?

Find your warmest path to Leon and Mary Strauss Charitable 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.

About Leon and Mary Strauss Charitable Foundation

How much does Leon and Mary Strauss Charitable Foundation give?
Leon and Mary Strauss Charitable Foundation reported 59 grants totaling $399,750 in its FY2025 IRS filing. It funded between 7 and 85 organizations a year over FY2018 to FY2024.
What does Leon and Mary Strauss Charitable Foundation fund?
By grant dollars over FY2017 to FY2025, its largest causes are Arts & Culture (43%), Health (23%), Animals (11%).
Who are Leon and Mary Strauss Charitable Foundation's largest grantees?
By total granted over FY2017 to FY2025: Dance Saint Louis ($110k), Stages St Louis ($90k), Cinema St Louis ($90k).
Does Leon and Mary Strauss Charitable Foundation fund new organizations?
In FY2024, 12% of the organizations it funded were first-time grantees.
Does Leon and Mary Strauss Charitable Foundation accept unsolicited applications?
Its most recent filing reports that it funds preselected organizations and does not take unsolicited requests. Check the foundation's own site before ruling it out.
Which funders back the same organizations as Leon and Mary Strauss Charitable Foundation?
Its strongest co-funders, measured against what their size predicts, include Regional Cultural and Performing Arts Development Commission, St Louis Community Foundation, St Louis Community Foundation Inc.
Where is Leon and Mary Strauss Charitable Foundation based?
Leon and Mary Strauss Charitable Foundation is based in MO.

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 153 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

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