Wilensky Foundation

Private foundation · Grantmaker Worcester, MA EIN: 04-6111520

The Wilensky Foundation is a private foundation based in Worcester, Massachusetts. It made 24 grants totaling $66,480 in filing year 2025, supporting organizations whose work includes disease research, animal protection, children’s needs, veterans, human rights, and other charitable purposes.

Wilensky Foundation at a glance

In short: Wilensky Foundation gave $66K across 24 grants in 2025 (avg $3K), top state New York. 13% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$66,480
-0.6% vs 2024
Grants made (2025)
24
+9.1% vs 2024
Average grant
$2,770
-8.9% vs 2024
Median grant
$2,770
Total assets
$966,742
+1.5% vs 2024
New grantees (estimate)
13% first-time grantees (3 of 24, 2025; small sample)
Primary geography
New York (17% 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 Wilensky Foundation

How to Apply

The 2025 filing says to contact trustee Jacob Arthur Wharton and submit an application on 8½-by-11-inch paper, with reference to the organization’s tax deductibility. The foundation states that it has no application deadlines and limits awards to charitable purposes, excluding political organizations.

Contact

Application contact: Jacob Arthur Wharton
Mailing address: 446 Main Street 19Th Floor, Worcester, MA 01608
Phone: (508) 753-7300

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

Who Wilensky Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

The Leukemia and Lymphoma Society: $3KThe Leukemia and LymphomaSociety$3KThe Marine Corps-Law Enforcement Fo: $3KThe Marine Corps-LawEnforcement Fo$3KASPCA: $3KASPCA$3KSt Jude Children's Research Hospita: $3KSt Jude Children's ResearchHospita$3KMarine Toys for Tots Foundation: $3KMarine Toys for TotsFoundation$3KFolds of Honor: $3KFolds of Honor$3KAmerican Jewish World Service: $3KAmerican Jewish World Service$3KLittle GLD of St Francis for Anim: $3KLittle GLD of St Francis forAnim$3KThe Cat House O N the Kings: $3KThe Cat House O N the Kings$3KHawaii Comm Found - Maui Strong F: $3KHawaii Comm Found - MauiStrong F$3K

The largest 2025 recipient was The Leukemia and Lymphoma Society ($3K). Together the top 10 received $28K.

Grant Size Distribution

114 grants across all recorded years

114<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 114 grants of 114 (100%).

Geographic Focus

Where this funder awards grants

The foundation is based in Worcester, Massachusetts. Its 2025 grants went to recipients in multiple states; the largest shares by recipient state were New York (17%) and Tennessee, Virginia, California, and Massachusetts (8% each).

Grant Distribution by State

19states

Share of 2025 grant dollars across all 24 itemized grants.

Cities

New YorkWashingtonWorcesterMemphisPrincetonScottsdaleSt. LouisStaten IslandTriangleTuckahoeWest CornwallE NaplesEnglewoodParlierTowsonLebanonLeominsterTulsaWilliamsburgHonolulu

Is Wilensky Foundation open to new grantees?

13%

first-time grantees, 2025

In 2025, 3 of 24 grantees (13%) were first-time recipients. With only 24 grantees, that is a small sample: one grantee more or less moves the share by about 4 points. First grants averaged $3K; repeat grants $3K. How we count

Medians: $3K first-time, $3K repeat.

  • 88% of 2025 grantees were also funded in 2024. Method
  • Giving held roughly steady from 2022 to 2025 (+11%). Method
  • In 2025 it paid out 98% 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.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$20K$40K$60K$80K20 grants2020 23 grants2021 23 grants2022 22 grants2023 22 grants2024 24 grants2025

From 2020 to 2025, annual grant giving ranged from $51K (2021) to $67K (2024). In 2025 it made 24 grants totaling $66K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
The Leukemia and Lymphoma Society New York, NYDisease Research$2,770
The Marine Corps-Law Enforcement Fo Tuckahoe, NYLaw Enforcement$2,770
ASPCA Washington, DCAnimal Protection$2,770
St Jude Children's Research Hospita Memphis, TNCancer Research$2,770
Marine Toys for Tots Foundation Triangle, VASupport of Children in Need$2,770
Folds of Honor Tulsa, OKMilitary Family Support$2,770
American Jewish World Service New York, NYHuman Rights$2,770
Little GLD of St Francis for Anim West Cornwall, CTAnimal Protection$2,770
The Cat House O N the Kings Parlier, CAAnimal Protection$2,770
Hawaii Comm Found - Maui Strong F Honolulu, HIDisaster and Emergency Preparedness$2,770
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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$966,742$96,813$81,758$66,48024$66,480$82,684$68,033
2024$952,390$118,425$80,785$66,90222$66,902$104,542$62,567
2023$914,492$65,285$68,943$56,52122$56,521$53,608$55,541
2022$918,255$33,654$74,043$59,82423$59,824$19,712$56,521
2021$958,584$85,101$62,722$50,69523$50,695$74,104$60,049
2020$935,715$50,944$63,023$52,12420—$40,663$50,470

Under IRS private-foundation payout rules, Wilensky Foundation reported a distributable amount of $68K 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 included support for disease and cancer research, animal protection, law enforcement, children in need, military families and veterans, human rights, women’s rights, and disaster preparedness.

Among its grantees, American Jewish World Service describes its mission as advancing human rights and ending poverty in several world regions. Rachel’s Table says it works to alleviate hunger and reduce food waste in western Massachusetts. NEADS describes providing service dogs and ongoing support to people with disabilities. These are the grantees’ stated missions, not the foundation’s.

Grantmaking

In filing year 2025, the foundation reported 24 grants totaling $66,480. Each listed grant was $2,770.

Examples of 2025 grants include $2,770 to American Jewish World Service for human rights, $2,770 to Marine Toys for Tots Foundation for support of children in need, and $2,770 to the ASPCA for animal protection. Other recipients included Rachel’s Table, NEADS, Paws of Honor, Healing Towers, and Mission K9 Rescue, each receiving $2,770.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists Jacob Arthur Wharton as trustee.

Wilensky Foundation is led by Jacob Arthur Wharton, Trustee on the 2025 filing — the only officer listed, and uncompensated.

Officers on the 2025 filing

  • Jacob Arthur Wharton

    Trustee

    New on the 2025 filing

    No compensation reported

Former officers (1)
  • Former: David Frazier (2020–2024) — Trustee

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.

Frequently asked questions about Wilensky Foundation

How much does Wilensky Foundation give each year?

Wilensky Foundation gave $66K across 24 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $67K across 22 grants.

What is Wilensky Foundation's typical grant size?

Wilensky Foundation's median grant in 2025 was $2,770, and its average grant was $2,770, across 24 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Wilensky Foundation that year got $3K on average.

Where does Wilensky Foundation give grants?

Wilensky Foundation's top state is New York, with 17% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were Tennessee (8%) and Virginia (8%). The most frequent recipient cities were New York, NY (2 grants).

Does Wilensky Foundation give general operating support?

Not in 2025: none of the 24 grants with a stated purpose on Wilensky Foundation's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Animal Protection" (3 grants).

Who are Wilensky Foundation's largest grantees?

Wilensky Foundation's largest 2025 grantees include The Leukemia and Lymphoma Society ($2,770), The Marine Corps-Law Enforcement Fo ($2,770) and ASPCA ($2,770), according to its 2025 IRS Form 990-PF. Together they received 13% of its itemized 2025 grant dollars.

How large is Wilensky Foundation?

Wilensky Foundation reported $967K in total assets on its 2025 IRS Form 990-PF. It paid out $66K in qualifying distributions that year, against a required minimum of $68K (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 Wilensky Foundation fund?

No mission statement for the foundation is provided. Its 2025 grants included support for disease and cancer research, animal protection, law enforcement, children in need, military families and veterans, human rights, women’s rights, and disaster preparedness. See mission & focus areas ↑

How do I apply for a grant from Wilensky Foundation?

The 2025 filing says to contact trustee Jacob Arthur Wharton and submit an application on 8½-by-11-inch paper, with reference to the organization’s tax deductibility. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is Wilensky Foundation's EIN?

Wilensky Foundation's EIN (Employer Identification Number) is 04-6111520. IRS Form 990 filing data is available on this page for 2020–2025.

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

Data update history

(6)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2020 (received by the IRS November 9, 2021)
  2. Updated Form 990-PF for fiscal year 2021 (received by the IRS September 12, 2022)
  3. Updated Form 990-PF for fiscal year 2022 (received by the IRS May 15, 2023)
  4. Updated Form 990-PF for fiscal year 2023 (received by the IRS May 13, 2024)
  5. Updated Form 990-PF for fiscal year 2024 (received by the IRS May 13, 2025)
  6. Added Form 990-PF for fiscal year 2025 (received by the IRS May 14, 2026)

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Cite this profile

Grantable. (2026). Wilensky Foundation funder profile. GrantGraph. Retrieved October 17, 2026, from https://grantable.co/funders/wilensky-foundation-morg_c5e1eb4e1ba34391b06afd54dec97cfb

BibTeX
@misc{grantable_046111520_2026,
  author       = {{Grantable}},
  title        = {{Wilensky Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/wilensky-foundation-morg_c5e1eb4e1ba34391b06afd54dec97cfb},
  note         = {Accessed 2026-10-17. 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 Wilensky 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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