Mary A & Thomas F Grasselli Endowment

Private foundation · Grantmaker Wilmington, DE EIN: 51-6018870

Mary A & Thomas F Grasselli Endowment is a private foundation based in Wilmington, Delaware. Its 2025 filing reports grants to charitable organizations including schools and educational organizations, arts institutions, and organizations working in health, recreation, conservation, and community support.

Key facts about Mary A & Thomas F Grasselli Endowment

In short: Mary A & Thomas F Grasselli Endowment gave $104K across 21 grants in 2025 (avg $5K), top state Texas. 33% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

EIN
51-6018870
Latest 990 filing
Form 990-PF, 2025
Annual giving (2025)
$104,000
Grants made (2025)
21
Average grant
$4,952
Median grant
$3,000
New grantees (estimate)
33% first-time grantees (7 of 21, 2025; small sample)
Total assets
$1,161,917
Primary geography
Texas (43% of itemized 2025 grant dollars)
Accepts unsolicited proposals
No
How to apply
The foundation does not accept unsolicited requests for funds and states that it contributes only to preselected charitable organizations. Full details ↓

Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology). Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Financial Overview

From 2025 IRS Form 990-PF · View filing

Total Assets

$1.2M

-8.1% YoY

Annual Giving

$104K

+13.0% YoY

Grant Count

21

+16.7% YoY

Avg Grant Size

$5K

-3.1% YoY

Under IRS private-foundation payout rules, Mary A & Thomas F Grasselli Endowment reported a distributable amount of $127K for 2025 — the minimum it must pay out in qualifying distributions.

Is Mary A & Thomas F Grasselli Endowment open to new grantees?

33%

first-time grantees, 2025

In 2025, 7 of 21 grantees (33%) were first-time recipients. With only 21 grantees, that is a small sample: one grantee more or less moves the share by about 5 points. First grants averaged $2K; repeat grants $6K. How we count

Medians: $2K first-time, $4K repeat.

  • 62% of 2025 grantees were also funded in 2024. Method
  • Giving held roughly steady from 2022 to 2025 (−5%). Method
  • In 2025 it paid out 94% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

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

Mission & Focus Areas

No mission statement for the foundation is provided. Its 2025 grants show support for a range of organizations. For example, Eanes Education Foundation says it seeks community and corporate support for district-wide educational opportunities; Barnard College describes its mission as providing a liberal arts education to promising and high-achieving young women; and the Alex’s Lemonade Stand Foundation says it funds research, raises awareness, supports families, and works to help cure childhood cancer.

Other 2025 recipients describe missions that include promoting tennis in greater Houston (Houston Tennis Association), welcoming visitors to encounter art (Menil Foundation), preserving and enhancing Memorial Park for public enjoyment (Memorial Park Conservancy), and providing aid to disadvantaged children and supporting community development (Americas Foundation-Fundación de las Américas).

Grantmaking

In filing year 2025, the foundation reported 21 grants totaling $104,000. Grant amounts ranged from $1,000 to $23,000, with a median of $3,000.

Among the largest reported grants were $23,000 to Student Partner Alliance, $10,000 each to Buckley School in the City of New York, Eanes Education Foundation, Frick Collection, and Museum of Fine Arts Houston, and $5,000 each to Alex’s Lemonade Stand Foundation, Barnard College, and Westlake United Methodist Church. The reported purposes for these grants were general and unrestricted. Houston Tennis Association received $3,000 for its General Scholarship Fund; the University of Texas MD Anderson Cancer Center received $3,000 for the Gingerbread Project – Houston Racquet Club.

How to Apply

The foundation does not accept unsolicited requests for funds and states that it contributes only to preselected charitable organizations.

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Geographic Focus

Where this funder awards grants

The 2025 grants went to recipients in Texas, New York, New Jersey, Pennsylvania, and California. Texas accounted for 43% of grant dollars, New York 24%, New Jersey 23%, Pennsylvania 5%, and California 2%.

Grant Distribution by State

9states

Share of 2025 grant dollars across all 21 itemized grants.

Cities

HoustonNew YorkSummitAustinW Lake HillsClevelandFairfieldIthacaChula VistaDeerfieldYarmouth PortBronxDallasDel ValleInlet BeachNew HavenNorthamptonPoughkeepsieWynnewood

Giving Over Time

Total grant dollars and number of grants per year

$0$50K$100K$150K19 grants2020 20 grants2021 23 grants2022 17 grants2023 18 grants2024 21 grants2025

From 2020 to 2025, annual grant giving ranged from $82K (2020) to $110K (2022). In 2025 it made 21 grants totaling $104K.

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Student Partner Alliance a New Jersey Non-Profit C: $23KStudent Partner Alliance a NewJersey Non-Profit C$23KBuckley School in the City of New York: $10KBuckley School in the City ofNew York$10KEanes Education Foundation: $10KEanes Education Foundation$10KFrick Collection: $10KFrick Collection$10KMuseum of Fine Arts Houston: $10KMuseum of Fine Arts Houston$10KAlexs Lemonade Stand Foundation: $5KAlexs Lemonade StandFoundation$5KBarnard College: $5KBarnard College$5KWestlake United Methodist Church: $5KWestlake United MethodistChurch$5KCamp Fire: $3KCamp Fire$3KHouston Tennis Association Inc: $3KHouston Tennis Association Inc$3K

The largest 2025 recipient was Student Partner Alliance a New Jersey Non-Profit C ($23K). Together the top 10 received $84K.

Grant Size Distribution

99 grants across all recorded years

99<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 99 grants of 99 (100%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
Student Partner Alliance a New Jersey Non-Profit C Summit, NJGeneral & Unrestricted$23,000
Buckley School in the City of New York New York, NYGeneral & Unrestricted$10,000
Eanes Education Foundation W Lake Hills, TXGeneral & Unrestricted$10,000
Frick Collection New York, NYGeneral & Unrestricted$10,000
Museum of Fine Arts Houston Houston, TXGeneral & Unrestricted$10,000
Alexs Lemonade Stand Foundation Wynnewood, PAGeneral & Unrestricted$5,000
Barnard College New York, NYGeneral & Unrestricted$5,000
Westlake United Methodist Church W Lake Hills, TXGeneral & Unrestricted$5,000
Camp Fire Austin, TXGeneral & Unrestricted$3,000
Houston Tennis Association Inc Houston, TXGeneral Scholarship Fund$3,000

Financial History

Multi-year comparison from IRS filings

Filing year Assets Revenue Expenses Grants
2025 $1,161,917 $48,586 $151,011 $104,000
2024 $1,264,342 $131,006 $136,858 $92,000
2023 $1,270,194 $23,372 $133,698 $90,000
Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$100K$200K$300K2020 2021 2022 2023 2024 2025
Metric202520242023
Total Assets$1,161,917$1,264,342$1,270,194
Revenue$48,586$131,006$23,372
Expenses$151,011$136,858$133,698
Qualifying Distributions$119,588$106,614$108,687
Net Investment Income$22,563$100,962$26,366
Distributable Amount$127,042$119,128$106,811

Data update history

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2020 (received by the IRS May 5, 2021)
  2. Updated Form 990-PF for fiscal year 2021 (received by the IRS May 11, 2022)
  3. Updated Form 990-PF for fiscal year 2022 (received by the IRS May 5, 2023)
  4. Updated Form 990-PF for fiscal year 2023 (received by the IRS April 25, 2024)
  5. Updated Form 990-PF for fiscal year 2024 (received by the IRS August 13, 2025)
  6. Added Form 990-PF for fiscal year 2025 (received by the IRS May 6, 2026)

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists Marya Fowler as Trustee, Treasurer, and Vice President; Robert S Fowler as Trustee; William H Fowler II as Trustee and President; and Mary Fowler Lovejoy as Trustee and Secretary.

Mary A & Thomas F Grasselli Endowment is led by William H Fowler II, Trustee & President on every filing since 2020; none of the 4 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • William H Fowler II

    Trustee & President

    On filings since 2020

    1 hr/week

    No compensation reported

  • Marya Fowler

    Trustee, Treasurer & Vice President

    Secretary & Trustee → Trustee, Secretary, Treasurer & Vice President, 2024

    Trustee, Secretary, Treasurer & Vice President → Trustee, Treasurer & Vice President, 2025

    On filings since 2020

    1 hr/week

    No compensation reported

  • Robert S Fowler

    Trustee

    On filings since 2020

    1 hr/week

    No compensation reported

  • Mary Fowler Lovejoy

    Trustee & Secretary

    On filings since 2024

    1 hr/week

    No compensation reported

Former officers (1)
  • Former: Thomas G Fowler (2020–2024) — Trustee, Treasurer & Vice President

Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Contact

Mailing address: Foundation Source 501 Silverside Rd, Wilmington, DE 19809-1377
Phone: (800) 839-1754

Frequently asked questions about Mary A & Thomas F Grasselli Endowment

How much does Mary A & Thomas F Grasselli Endowment give each year?

Mary A & Thomas F Grasselli Endowment gave $104K across 21 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $92K across 18 grants.

What is Mary A & Thomas F Grasselli Endowment's typical grant size?

Mary A & Thomas F Grasselli Endowment's median grant in 2025 was $3,000, and its average grant was $4,952, across 21 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Mary A & Thomas F Grasselli Endowment that year got $2K on average.

Where does Mary A & Thomas F Grasselli Endowment give grants?

Mary A & Thomas F Grasselli Endowment's top state is Texas, with 43% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were New York (24%) and New Jersey (23%). The most frequent recipient cities were Houston, TX (7 grants), New York, NY (3 grants), Summit, NJ (2 grants) and W Lake Hills, TX (2 grants).

Does Mary A & Thomas F Grasselli Endowment give general operating support?

Yes: 90% of Mary A & Thomas F Grasselli Endowment's 2025 grants with a stated purpose (19 of 21) were for general or operating support, per its 2025 IRS Form 990-PF.

Who are Mary A & Thomas F Grasselli Endowment's largest grantees?

Mary A & Thomas F Grasselli Endowment's largest 2025 grantees include Student Partner Alliance a New Jersey Non-Profit C ($23,000), Buckley School in the City of New York ($10,000) and Eanes Education Foundation ($10,000), according to its 2025 IRS Form 990-PF. Together they received 41% of its itemized 2025 grant dollars.

How large is Mary A & Thomas F Grasselli Endowment?

Mary A & Thomas F Grasselli Endowment reported $1.2M in total assets on its 2025 IRS Form 990-PF. It paid out $120K in qualifying distributions that year, against a required minimum of $127K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.

What does Mary A & Thomas F Grasselli Endowment fund?

No mission statement for the foundation is provided. Its 2025 grants show support for a range of organizations. See mission & focus areas ↑

How do I apply for a grant from Mary A & Thomas F Grasselli Endowment?

The foundation does not accept unsolicited requests for funds and states that it contributes only to preselected charitable organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is Mary A & Thomas F Grasselli Endowment's EIN?

Mary A & Thomas F Grasselli Endowment's EIN (Employer Identification Number) is 51-6018870. IRS Form 990 filing data is available on this page for 2020–2025.

Does Mary A & Thomas F Grasselli Endowment accept unsolicited proposals?

No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑

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

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