Laffintr of John & Maria Tuw Main

SAINT LOUIS, MO EIN: 94-6609731

The Laffintr of John & Maria Tuw Main is a private foundation established in 1989, based in Saint Louis, Missouri. Also known as the John and Maria Laffin Trust, it is a 501(c)(3) organization dedicated to grantmaking across education, animal welfare, medical research, and human services.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$3.9M

+2.7% YoY

Annual Giving

$238K

-1.0% YoY

Grant Count

29

+38.1% YoY

Avg Grant Size

$8K

-28.3% YoY

Research compiled by Grantable AI from public sources. Last updated April 2026.

Mission & Focus Areas

The foundation's mission is to provide grants to qualified 501(c)(3) organizations supporting education, animal welfare, medical research, and human services.

The foundation allocates its periodic distributions according to the following priorities:

  • 20% Education: Grants to educational institutions at the college and university level in Los Angeles City and County areas dedicated to maintaining and raising standards of scholastic excellence
  • 30% Animal Welfare: Grants to animal welfare organizations or foundations within Los Angeles City and County demonstrably dedicated to the preservation and humane placement of abandoned and/or homeless small domesticated animals
  • 25% Medical Research: Grants to medical research organizations that do not arbitrarily exclude from consideration alternative or seemingly radical and/or controversial treatments
  • 25% Human Services: Grants to humanitarian organizations that establish that 80 percent or more of their proceeds are used to alleviate human misery, suffering, and starvation in any part of the world

Grantmaking

The foundation made 33 grants in 2024, with typical award amounts ranging from $2,000 to $30,000. Recent grantees include:

Review Cycle

of July 31.

How to Apply

**: The foundation accepts applications online with an annual deadline of July 31.

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Geographic Focus

Where this funder awards grants

  • Education and Animal Welfare: Restricted to Los Angeles City or Los Angeles County, California
  • Medical Research and Human Services: No geographic limitations; serves U.S.-based organizations and humanitarian efforts worldwide

The foundation serves all states for medical research and human services grants.

Grant Distribution by State

26states
+18 more states

Cities

Agoura HillsAliso ViejoAlvinAthensAzusaBala CynwydBaltimoreBarneveldBeaumontBethesdaBeverly HillsBostonBroomfieldBurbankChicagoClaremontConcordCulver CityDallasDenver

Financial History

Multi-year comparison from IRS filings

As of December 2024:

  • Total Assets: $3,946,914
  • Total Revenues: $420,918
  • Total Expenses: $322,197
  • Investment Income and Dividends: $124,103
  • Number of Employees: 1

As of December 2023:

  • Total Assets: $3,840,000
  • Total Revenues: $373,000
  • Total Expenses: $311,000
Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$116K$232K$347K$463K20202021202220232024
Metric202420232022
Total Assets$3,946,914$3,843,045$3,783,820
Revenue$420,918$372,911$164,354
Expenses$322,197$310,709$340,404
Qualifying Distributions$254,310$255,625$279,954
Net Investment Income$348,563$306,446$98,093
Distributable Amount$281,133$245,357$255,120

Giving Over Time

Total grant dollars and number of grants per year

$0$66K$132K$198K$264K28 grants202031 grants202133 grants202221 grants202329 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

LOS ANGELES SPCA$20KSANT DFOUNDATION$12KLOYOLA MARYMOUNT UNIVERS…$12KAZUSA PACIFIC UNIVERSITY$12KPITZER COLLEGE$12KCALIFORNIA INSTITUTE OF …$12KNATIONAL BRAIN TUMOR SOC…$10KLUNG CANCER RESEARCH FOU…$10KMORGAN ADAMS FOUNDATION$10KBREAKTHROUGH T1D$10K

Grant Size Distribution

142 grants across all recorded years

142<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

Open Grants

2 open opportunities from Laffintr of John & Maria Tuw Main

Giving History

Grant recipients and amounts by year

No grants recorded for .

Leadership & Key People

Leadership team and compensation from IRS filings

Wells Fargo Bank, N.A. serves as trustee.

Compensation Overview

From 2024 IRS filing

WELLS FARGO BANK N ATRUSTEE$60K

From 2024 filing

NameTitleHoursCompensation
WELLS FARGO BANK N ATRUSTEE1$60,226

Data last updated April 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.

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