Joseph M Hamilburg Foundation
The Joseph M Hamilburg Foundation is a private foundation based in Wayland, Massachusetts. Its 2025 filing reports grants to charitable organizations, including hospitals, arts organizations, and conservation groups.
Joseph M Hamilburg Foundation at a glance
In short: Joseph M Hamilburg Foundation gave $73K across 79 grants in 2025 (avg $918.987), mostly in Massachusetts. 12% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $72,600
- +6.3% vs 2024
- Grants made (2025)
- 79
- -6.0% vs 2024
- Average grant
- $919
- +13.1% vs 2024
- Median grant
- $100
- Total assets
- $1,134,303
- +2.6% vs 2024
- New grantees (estimate)
- 12% first-time grantees (9 of 73, 2025)
- Primary geography
- Massachusetts (90% 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 Joseph M Hamilburg Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
- Contact
Mailing address: 16 Shaw Drive, Wayland, MA 01778
Phone: (617) 488-2700
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Joseph M Hamilburg Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was New England Baptist Hospital ($12K across 2 grants). Together the top 10 received $56K.
Grant Size Distribution
390 grants across all recorded years
The most common grant size was under $50K: 390 grants of 390 (100%).
Geographic Focus
Where this funder awards grants
In 2025, 90% of grant dollars went to recipients in Massachusetts. The remaining reported shares went to recipients in South Carolina (3%), Washington, DC (2%), Pennsylvania (1%), and Virginia (1%).
Grant Distribution by State
Share of 2025 grant dollars across all 79 itemized grants.
States
Cities
Is Joseph M Hamilburg Foundation open to new grantees?
12%
first-time grantees, 2025
In 2025, 9 of 73 grantees (12%) were first-time recipients. First grants averaged $533; repeat grants $1K. How we count
Medians: $100 first-time, $100 repeat.
- 75% of 2025 grantees were also funded in 2024. Method
- Giving held roughly steady from 2022 to 2025 (−5%). Method
- In 2025 it paid out 90% 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
From 2020 to 2025, annual grant giving ranged from $68K (2024) to $76K (2022). In 2025 it made 79 grants totaling $73K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| New England Baptist Hospital Boston, MA | Donation | $10,000 |
| Boston Ballet Boston, MA | Unrestricted | $7,600 |
| Bidmc (Beth Israel Deaconess Medical Center) Boston, MA | Donation Pledge | $5,000 |
| Brigham & Womens Hospital Boston, MA | Donation | $5,000 |
| Dana-Farber Cancer Institute Boston, MA | Donation | $5,000 |
| Mass General Hospital Boston, MA | Donation | $5,000 |
| Newton-Wellesley Hospital Newton, MA | Unrestricted | $5,000 |
| Wildlands Trust Plymouth, MA | Unrestricted | $5,000 |
| Tufts Medical Center Boston, MA | Unrestricted | $4,000 |
| Museum of Fine Arts Boston Boston, MA | Unrestricted | $3,000 |
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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 | $1,134,303 | $121,598 | $92,570 | $72,600 | 79 | $72,600 | $104,727 | $80,274 |
| 2024 | $1,105,275 | $106,860 | $81,516 | $68,275 | 84 | $68,275 | $93,489 | $76,230 |
| 2023 | $1,079,931 | $37,414 | $92,304 | $74,350 | 74 | $74,350 | $21,108 | $72,412 |
| 2022 | $1,134,821 | $48,421 | $98,712 | $76,425 | 73 | $76,425 | $27,821 | $72,830 |
| 2021 | $1,185,112 | $107,675 | $93,205 | $71,110 | 80 | $71,110 | $85,580 | $82,566 |
| 2020 | $1,170,642 | $19,037 | $92,125 | $70,700 | 75 | — | $1,876 | $70,965 |
Under IRS private-foundation payout rules, Joseph M Hamilburg Foundation reported a distributable amount of $80K 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 show support for organizations working in areas such as health care, the arts, wildlife conservation, land protection, education, food distribution, and river protection.
These are grantees’ activities, not stated foundation priorities. For example, Wildlands Trust describes its work as protecting native habitats, farmland, and other valued lands in southeastern Massachusetts. Boston Ballet describes its work as using dance to forge human connections. The National Wild Turkey Federation says it is dedicated to wild turkey conservation and preserving hunting heritage.
Grantmaking
In 2025, the foundation made 79 grants totaling $72,600. Grants ranged from $100 to $10,000, with a median of $100.
Among the largest reported grants were $10,000 to New England Baptist Hospital; $7,600 to Boston Ballet; $5,000 each to Beth Israel Deaconess Medical Center, Brigham & Women’s Hospital, Dana-Farber Cancer Institute, Massachusetts General Hospital, Newton-Wellesley Hospital, and Wildlands Trust; and $4,000 to Tufts Medical Center. The filing lists purposes including “donation,” “unrestricted,” and “donation pledge.”
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Joseph D Hamilburg and Maurice J Hamilburg as trustees.
Joseph M Hamilburg Foundation's 2025 filing lists 2 officers; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
Joseph D. Hamilburg
Trustee
On filings since 2020
No compensation reported
Maurice J. Hamilburg
Trustee
On filings since 2020
No compensation reported
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 Joseph M Hamilburg Foundation
How much does Joseph M Hamilburg Foundation give each year?
Joseph M Hamilburg Foundation gave $73K across 79 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $68K across 84 grants.
What is Joseph M Hamilburg Foundation's typical grant size?
Joseph M Hamilburg Foundation's median grant in 2025 was $100, and its average grant was $919, across 79 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Joseph M Hamilburg Foundation that year got $533 on average.
Where does Joseph M Hamilburg Foundation give grants?
Joseph M Hamilburg Foundation gives mostly in Massachusetts: 90% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Washington, DC (16 grants), Boston, MA (14 grants), Arlington, VA (5 grants) and Dedham, MA (3 grants).
Does Joseph M Hamilburg Foundation give general operating support?
Yes: 90% of Joseph M Hamilburg Foundation's 2025 grants with a stated purpose (71 of 79) were for general or operating support, per its 2025 IRS Form 990-PF. Recurring purposes include "Donation" (5 grants).
Who are Joseph M Hamilburg Foundation's largest grantees?
Joseph M Hamilburg Foundation's largest 2025 grantees include New England Baptist Hospital ($11,500 across 2 grants), Boston Ballet ($7,600) and Bidmc (Beth Israel Deaconess Medical Center) ($5,000), according to its 2025 IRS Form 990-PF. Together they received 33% of its itemized 2025 grant dollars.
How large is Joseph M Hamilburg Foundation?
Joseph M Hamilburg Foundation reported $1.1M in total assets on its 2025 IRS Form 990-PF. It paid out $73K in qualifying distributions that year, against a required minimum of $80K (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 Joseph M Hamilburg Foundation fund?
No mission statement for the foundation is provided. Its 2025 grants show support for organizations working in areas such as health care, the arts, wildlife conservation, land protection, education, food distribution, and river protection. See mission & focus areas ↑
How do I apply for a grant from Joseph M Hamilburg Foundation?
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Joseph M Hamilburg Foundation's EIN?
Joseph M Hamilburg Foundation's EIN (Employer Identification Number) is 04-6128210. IRS Form 990 filing data is available on this page for 2020–2025.
Does Joseph M Hamilburg 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
(6)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS May 3, 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 November 8, 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 May 15, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 14, 2026)
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Cite this profile
Grantable. (2026). Joseph M Hamilburg Foundation funder profile. GrantGraph. Retrieved October 12, 2026, from https://grantable.co/funders/joseph-m-hamilburg-foundation-morg_dde8a692893f4a64b5b47b4804d32606
BibTeX
@misc{grantable_046128210_2026,
author = {{Grantable}},
title = {{Joseph M Hamilburg Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/joseph-m-hamilburg-foundation-morg_dde8a692893f4a64b5b47b4804d32606},
note = {Accessed 2026-10-12. 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 Joseph M Hamilburg 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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