Epker-Sinha Foundation
The Epker-Sinha Foundation is a private foundation based in Boston, Massachusetts. It made 13 grants totaling $1,098,000 in filing year 2025, supporting organizations in Massachusetts, Michigan, Arizona, and California.
Epker-Sinha Foundation at a glance
In short: Epker-Sinha Foundation gave $1.1M across 13 grants in 2025 (avg $84K), mostly in Massachusetts. 15% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $1,098,000
- +10.1% vs 2024
- Grants made (2025)
- 13
- +8.3% vs 2024
- Average grant
- $84,462
- +1.7% vs 2024
- Median grant
- $30,000
- Total assets
- $25,108,819
- +3.2% vs 2024
- New grantees (estimate)
- 15% first-time grantees (2 of 13, 2025; small sample)
- Primary geography
- Massachusetts (52% 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 Epker-Sinha Foundation
- Accepts unsolicited proposals
- Yes
- How to Apply
-
The foundation accepts unsolicited requests. Submit an application in the form of a letter to Mr Arthur G Epker III. The filing states that applications are accepted throughout the year and that there are no restrictions on awards.
- Review Cycle
- Applications are accepted throughout the year.
- Deadline
- Applications are accepted throughout the year.
- Contact
Application contact: Mr Arthur G Epker Iii
Mailing address: 448 Beacon Street 6, Boston, MA 02115-1002
Phone: (617) 526-8992
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Epker-Sinha Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was University of Michigan ($375K). Together the top 10 received $1.1M.
Grant Size Distribution
66 grants across all recorded years
The most common grant size was under $50K: 36 grants of 66 (55%).
Geographic Focus
Where this funder awards grants
In 2025, 52% of grant dollars went to recipients in Massachusetts, 34% to Michigan, 7% to Arizona, and 7% to California.
Grant Distribution by State
Share of 2025 grant dollars across all 13 itemized grants.
Cities
Is Epker-Sinha Foundation open to new grantees?
15%
first-time grantees, 2025
In 2025, 2 of 13 grantees (15%) were first-time recipients. With only 13 grantees, that is a small sample: one grantee more or less moves the share by about 8 points. First grants averaged $2K; repeat grants $100K. How we count
Medians: $2K first-time, $75K repeat.
- 85% of 2025 grantees were also funded in 2024. Method
- Giving held roughly steady from 2022 to 2025 (−2%). Method
- In 2025 it paid out 97% 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 (2019–2025). 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
From 2019 to 2025, annual grant giving ranged from $981K (2020) to $1.1M (2022). In 2025 it made 13 grants totaling $1.1M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| University of Michigan Ann Arbor, MI | Unrestricted | $375,000 |
| Winsor School Boston, MA | Unrestricted | $250,000 |
| The Steppingstone Foundation Boston, MA | Unrestricted | $150,000 |
| Harvard Business School Boston, MA | Unrestricted | $100,000 |
| Forest Highlands Foundation Phoenix, AZ | Unrestricted | $75,000 |
| Stanford University Stanford, CA | Unrestricted | $75,000 |
| Community Rowing Brighton, MA | Unrestricted | $30,000 |
| Cure Alzheimers Fund Wellesley, MA | Unrestricted | $15,000 |
| Massachusetts Historical Society Boston, MA | Unrestricted | $10,000 |
| The Country Club Employee Education Fund Chestnut Hill, MA | Unrestricted | $10,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $25,108,819 | $1,753,445 | $1,955,122 | $1,098,000 | 13 | $1,098,500 | $386,038 | $1,134,183 |
| 2024 | $24,332,926 | $1,825,988 | $1,701,768 | $997,000 | 12 | $997,250 | $847,064 | $1,097,771 |
| 2023 | $21,782,047 | $1,149,207 | $1,288,635 | $1,037,870 | 14 | $1,037,940 | $861,318 | $1,000,679 |
| 2022 | $19,221,739 | $1,283,557 | $1,336,967 | $1,119,013 | 12 | $1,119,048 | $821,422 | $1,040,706 |
| 2021 | $24,016,049 | $1,593,164 | $1,085,584 | $986,993 | 15 | $987,493 | $1,278,430 | $1,183,947 |
| 2020 | $22,191,440 | $127,779 | $1,124,597 | $980,793 | 15 | — | $18,924 | $948,821 |
| 2019 | $19,698,640 | $737,071 | $1,353,451 | $1,036,013 | 20 | — | $351,017 | $948,873 |
Under IRS private-foundation payout rules, Epker-Sinha Foundation reported a distributable amount of $1.1M for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated October 2026.
Mission & Focus Areas
No mission statement for the foundation is provided. Its 2025 grants went to organizations whose stated missions include representing and advocating for member physicians, preparing young women to pursue their aspirations, making rowing accessible and inclusive, promoting historical understanding, empowering youth through business, and helping children cope with chemotherapy-related hair loss. These are the recipient organizations’ missions, not stated focus areas of the foundation.
Grantmaking
In filing year 2025, the foundation awarded 13 grants totaling $1,098,000. Grants ranged from $1,000 to $375,000, with a median of $30,000. The largest awards included $375,000 to the University of Michigan, $250,000 to the Winsor School, $150,000 to the Steppingstone Foundation, and $100,000 to Harvard Business School. Each of these grants was listed as unrestricted.
The foundation’s 2024 filing states that it does not restrict giving to preselected organizations. It accepts applications throughout the year in the form of a letter, with no restrictions on awards.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Arthur G Epker III, Medha Sinha, Eva J Epker, and Karthic N Epker as trustees.
Epker-Sinha Foundation's 2025 filing lists 4 officers; none of the 4 officers listed in 2025 report compensation.
Officers on the 2025 filing
Arthur G. Epker III
Trustee
On filings since 2019
No compensation reported
Eva J. Epker
Trustee
On filings since 2019
No compensation reported
Karthic N. Epker
Trustee
On filings since 2019
No compensation reported
Medha Sinha
Trustee
On filings since 2019
No compensation reported
Data from IRS Form 990 filings, 2019–2025. "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 Epker-Sinha Foundation
How much does Epker-Sinha Foundation give each year?
Epker-Sinha Foundation gave $1.1M across 13 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $997K across 12 grants.
What is Epker-Sinha Foundation's typical grant size?
Epker-Sinha Foundation's median grant in 2025 was $30,000, and its average grant was $84,462, across 13 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Epker-Sinha Foundation that year got $2K on average.
Where does Epker-Sinha Foundation give grants?
Epker-Sinha Foundation gives mostly in Massachusetts: 52% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were Michigan (34%) and Arizona (7%). The most frequent recipient cities were Boston, MA (4 grants).
Does Epker-Sinha Foundation give general operating support?
Yes: 100% of Epker-Sinha Foundation's 2025 grants with a stated purpose (13 of 13) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Epker-Sinha Foundation's largest grantees?
Epker-Sinha Foundation's largest 2025 grantees include University of Michigan ($375,000), Winsor School ($250,000) and The Steppingstone Foundation ($150,000), according to its 2025 IRS Form 990-PF. Together they received 71% of its itemized 2025 grant dollars.
How large is Epker-Sinha Foundation?
Epker-Sinha Foundation reported $25.1M in total assets on its 2025 IRS Form 990-PF. It paid out $1.1M in qualifying distributions that year, against a required minimum of $1.1M (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 Epker-Sinha Foundation fund?
No mission statement for the foundation is provided. See mission & focus areas ↑
How do I apply for a grant from Epker-Sinha Foundation?
The foundation accepts unsolicited requests. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Epker-Sinha Foundation's EIN?
Epker-Sinha Foundation's EIN (Employer Identification Number) is 04-3541108. IRS Form 990 filing data is available on this page for 2019–2025.
Does Epker-Sinha Foundation accept unsolicited proposals?
Yes, 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 October 2026.
Data update history
(8)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2019 (received by the IRS June 9, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS May 12, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS May 12, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS May 9, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 15, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS April 29, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS April 21, 2026)
- IRS filings on file for fiscal years 2019–2025
Explore Open Grants
Browse active grant opportunities in Epker-Sinha Foundation's focus areas in our free grants database
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Cite this profile
Grantable. (2026). Epker-Sinha Foundation funder profile. GrantGraph. Retrieved October 11, 2026, from https://grantable.co/funders/epker-sinha-foundation-morg_a8ca02ee6f1d4b879c683af096a1bd44
BibTeX
@misc{grantable_043541108_2026,
author = {{Grantable}},
title = {{Epker-Sinha Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/epker-sinha-foundation-morg_a8ca02ee6f1d4b879c683af096a1bd44},
note = {Accessed 2026-10-11. 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 Epker-Sinha 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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