Wm O and Margaret H Dewitt Foundation

Private foundation · Grantmaker Cincinnati, OH EIN: 31-6078890

The WM O and Margaret H DeWitt Foundation is a private foundation based in Cincinnati, Ohio. Its 2025 filing lists 12 grants, each with a stated purpose of “GENERAL,” to charitable organizations including a donor-advised charitable giving organization, universities, arts organizations, and other nonprofits.

Wm O and Margaret H Dewitt Foundation at a glance

In short: Wm O and Margaret H Dewitt Foundation gave $1.2M across 12 grants in 2025 (avg $100K), mostly in California. 83% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$1,195,709
+368.9% vs 2024
Grants made (2025)
12
+20.0% vs 2024
Average grant
$99,642
+290.8% vs 2024
Median grant
$11,508
Total assets
$819,593
-32.1% vs 2024
New grantees (estimate)
83% first-time grantees (10 of 12, 2025; small sample)
Primary geography
California (85% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).

How to apply to Wm O and Margaret H Dewitt Foundation

Accepts unsolicited proposals
No
How to Apply

The foundation does not accept unsolicited requests for funds and makes contributions only to preselected charitable organizations.

Contact

Mailing address: 3061 Madison Road, Cincinnati, OH 45209
Phone: (513) 241-8716

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who Wm O and Margaret H Dewitt Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Donor Advised Charitable Giving Inc: $1.0MDonor Advised CharitableGiving Inc$1.0MEntitlements How to Aka Across the Aisle Inc: $50KEntitlements How to Aka Acrossthe Aisle Inc$50KHarvard Business School: $25KHarvard Business School$25KNew York University (NYU): $25KNew York University (NYU)$25KYale University: $25KYale University$25KVero Beach Museum of Art: $12KVero Beach Museum of Art$12KJesus Loves ME: $11KJesus Loves ME$11KHospital for Special Surgery: $10KHospital for Special Surgery$10KRegina Apostolorum: $10KRegina Apostolorum$10KUnited Way of St Louis: $10KUnited Way of St Louis$10K

The largest 2025 recipient was Donor Advised Charitable Giving Inc ($1.0M). Together the top 10 received $1.2M.

Grant Size Distribution

57 grants across all recorded years

47<$50K7$50–100K2$100–250K$250–500K$500K–1M1$1–5M$5M+

The most common grant size was under $50K: 47 grants of 57 (82%).

Geographic Focus

Where this funder awards grants

The 2025 grant dollars were distributed primarily to recipients in California, which received 85%. Recipients in Washington, DC received 4%; New York, 3%; and Massachusetts and Connecticut, 2% each.

Grant Distribution by State

18states

Share of 2025 grant dollars across all 12 itemized grants.

Cities

St. LouisVero BeachGrosse Point FarmsNew YorkGrosse PointNew HavenPetoskeySouthfieldTown CountryCincinnatiConcordDetroitAlexandriaGolfGrosse Point ShoresHarbor SpringLake OrionLone TreeWatertonAspen

Is Wm O and Margaret H Dewitt Foundation open to new grantees?

83%

first-time grantees, 2025

In 2025, 10 of 12 grantees (83%) were first-time recipients. With only 12 grantees, that is a small sample: one grantee more or less moves the share by about 8 points. First grants averaged $118K; repeat grants $6K. How we count

Medians: $19K first-time, $6K repeat.

  • 17% of 2025 grantees were also funded in 2024. Method
  • Giving grew 866% from 2022 to 2025. Method
  • In 2025 it paid out 932% of its IRS minimum distribution (the 5% rule). Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2018–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$500K$1M$1.5M17 grants2018 16 grants2019 15 grants2020 14 grants2021 15 grants2022 6 grants2023 10 grants2024 12 grants2025

From 2018 to 2025, annual grant giving ranged from $28K (2018) to $1.2M (2025). In 2025 it made 12 grants totaling $1.2M.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Donor Advised Charitable Giving Inc San Francisco, CAGeneral$1,010,694
Entitlements How to Aka Across the Aisle Inc Washington, DCGeneral$50,000
Harvard Business School Boxton, MAGeneral$25,000
New York University (NYU) New York, NYGeneral$25,000
Yale University New Haven, CTGeneral$25,000
Vero Beach Museum of Art Vero Beach, FLGeneral$12,000
Jesus Loves ME North Myrtle Beach, SCGeneral$11,015
Hospital for Special Surgery New York, NYGeneral$10,000
Regina Apostolorum Roswell, GAGeneral$10,000
United Way of St Louis St. Louis, MOGeneral$10,000
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$819,593$208,131$1,223,676$1,195,70912$1,206,134$194,198$129,478
2024$1,207,483$331,122$283,347$255,00010$263,600$317,172$132,899
2023$1,159,707$178,744$511,783$483,0006$490,400$376,751$120,294
2022$1,490,762$347,502$144,428$123,75015$131,450$334,524$116,497
2021$1,287,686$74,086$99,262$75,00014$81,700$60,847$130,023
2020$1,312,864$64,047$90,309$76,00015—$172,909$100,411
2019$1,339,125$369,925$64,740$49,00016—$25,885$85,203
2018$1,033,190$49,019$41,033$28,00017—$40,486$50,028

Under IRS private-foundation payout rules, Wm O and Margaret H Dewitt Foundation reported a distributable amount of $129K for 2025 — the minimum it must pay out in qualifying distributions.

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 were designated for general purposes. Among the recipients, Aspen Film describes its mission as enlightening, enriching, educating, and entertaining through film.

Grantmaking

In 2025, the foundation reported 12 grants totaling $1,195,709. Grant amounts ranged from $2,000 to $1,010,694, with a median of $11,508. The largest grant was $1,010,694 to Donor Advised Charitable Giving Inc. Other notable grants included $50,000 to Entitlements How To AKA Across The Aisle Inc.; $25,000 each to Harvard Business School, New York University, and Yale University; and $12,000 to Vero Beach Museum of Art.

The foundation reported 10 grants totaling $255,000 in 2024 and 6 grants totaling $483,000 in 2023.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists William O DeWitt Jr as president and treasurer, Katharine C DeWitt as secretary and trustee, and William O DeWitt III as trustee.

Wm O and Margaret H Dewitt Foundation is led by William O. Dewitt Jr., President & Treasurer on every filing since 2018; none of the 3 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • William O. Dewitt Jr.

    President & Treasurer

    On filings since 2018

    2 hrs/week

    No compensation reported

  • Katharine C. Dewitt

    Secretary & Trustee

    On filings since 2018

    2 hrs/week

    No compensation reported

  • William O. Dewitt III

    Trustee

    On filings since 2018

    2 hrs/week

    No compensation reported

Data from IRS Form 990 filings, 2018–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Frequently asked questions about Wm O and Margaret H Dewitt Foundation

How much does Wm O and Margaret H Dewitt Foundation give each year?

Wm O and Margaret H Dewitt Foundation gave $1.2M across 12 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $255K across 10 grants.

What is Wm O and Margaret H Dewitt Foundation's typical grant size?

Wm O and Margaret H Dewitt Foundation's median grant in 2025 was $11,508, and its average grant was $99,642, across 12 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Wm O and Margaret H Dewitt Foundation that year got $118K on average.

Where does Wm O and Margaret H Dewitt Foundation give grants?

Wm O and Margaret H Dewitt Foundation gives mostly in California: 85% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were New York, NY (2 grants).

Does Wm O and Margaret H Dewitt Foundation give general operating support?

Yes: 100% of Wm O and Margaret H Dewitt Foundation's 2025 grants with a stated purpose (12 of 12) were for general or operating support, per its 2025 IRS Form 990-PF.

Who are Wm O and Margaret H Dewitt Foundation's largest grantees?

Wm O and Margaret H Dewitt Foundation's largest 2025 grantees include Donor Advised Charitable Giving Inc ($1,010,694), Entitlements How to Aka Across the Aisle Inc ($50,000) and Harvard Business School ($25,000), according to its 2025 IRS Form 990-PF. Together they received 91% of its itemized 2025 grant dollars.

How large is Wm O and Margaret H Dewitt Foundation?

Wm O and Margaret H Dewitt Foundation reported $820K in total assets on its 2025 IRS Form 990-PF. It paid out $1.2M in qualifying distributions that year, against a required minimum of $129K (roughly 5% of its investment assets).

What does Wm O and Margaret H Dewitt Foundation fund?

No mission statement for the foundation is provided. Its 2025 grants were designated for general purposes. Among the recipients, Aspen Film describes its mission as enlightening, enriching, educating, and entertaining through film. See mission & focus areas ↑

How do I apply for a grant from Wm O and Margaret H Dewitt Foundation?

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

What is Wm O and Margaret H Dewitt Foundation's EIN?

Wm O and Margaret H Dewitt Foundation's EIN (Employer Identification Number) is 31-6078890. IRS Form 990 filing data is available on this page for 2018–2025.

Does Wm O and Margaret H Dewitt Foundation 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.

Data update history

(4)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2018 (received by the IRS April 25, 2019)
  2. Updated Form 990-PF for fiscal year 2019 (received by the IRS May 11, 2020)
  3. Added Form 990-PF for fiscal year 2025 (received by the IRS May 13, 2026)
  4. IRS filings on file for fiscal years 2018–2024

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Cite this profile

Grantable. (2026). Wm O and Margaret H Dewitt Foundation funder profile. GrantGraph. Retrieved October 20, 2026, from https://grantable.co/funders/wm-o-and-margaret-h-dewitt-foundation-morg_e15327a698c14c08886a7a5eb975a8fa

BibTeX
@misc{grantable_316078890_2026,
  author       = {{Grantable}},
  title        = {{Wm O and Margaret H Dewitt Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/wm-o-and-margaret-h-dewitt-foundation-morg_e15327a698c14c08886a7a5eb975a8fa},
  note         = {Accessed 2026-10-20. Data licensed CC BY 4.0}
}

The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.

Figures come from Wm O and Margaret H Dewitt Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

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