The Sidman Family Foundation Inc
The Sidman Family Foundation Inc is a private foundation based in Boston, Massachusetts. Its 2025 grants included support for Jewish life and organizations, a school, Boston parks, civic leadership, and pediatric health care.
The Sidman Family Foundation Inc at a glance
In short: The Sidman Family Foundation Inc gave $1.4M across 47 grants in 2025 (avg $31K), mostly in Massachusetts. 23% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $1,434,080
- +41.9% vs 2024
- Grants made (2025)
- 47
- +0.0% vs 2024
- Average grant
- $30,512
- +41.9% vs 2024
- Median grant
- $5,400
- Total assets
- $7,035,526
- +53.4% vs 2024
- New grantees (estimate)
- 23% first-time grantees (9 of 39, 2025)
- Primary geography
- Massachusetts (56% 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 The Sidman Family Foundation Inc
- 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: 8 Newbury St 5Th Floor, Boston, MA 02116
Phone: (646) 213-5100
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who The Sidman Family Foundation Inc funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Combined Jewish Philanthropies ($444K across 6 grants). Together the top 10 received $1.2M.
Grant Size Distribution
256 grants across all recorded years
The most common grant size was under $50K: 213 grants of 256 (83%).
Geographic Focus
Where this funder awards grants
In 2025, Massachusetts recipients received 56% of grant dollars, North Carolina 24%, New York 8%, Washington 3%, and Florida 3%.
Grant Distribution by State
Share of 2025 grant dollars across all 47 itemized grants.
States
Cities
Is The Sidman Family Foundation Inc open to new grantees?
23%
first-time grantees, 2025
In 2025, 9 of 39 grantees (23%) were first-time recipients. First grants averaged $15K; repeat grants $43K. How we count
Medians: $3K first-time, $10K repeat.
- 62% of 2025 grantees were also funded in 2024. Method
- Giving fell 25% from 2022 to 2025. Method
- In 2025 it paid out 373% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2021–2025). 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 2021 to 2025, annual grant giving ranged from $1.0M (2024) to $1.9M (2022). In 2025 it made 47 grants totaling $1.4M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Duke University Durham, NC | Jewish Life at Duke | $347,000 |
| Combined Jewish Philanthropies Boston, MA | Cash Donation | $250,000 |
| Belmont Hill School Belmont, MA | Cash Donation | $100,000 |
| Combined Jewish Philanthropies Boston, MA | Pymt 2 of 5 Antisemitism | $100,000 |
| Jewish Communal Fund New York City, NY | Cash Donation | $100,000 |
| Combined Jewish Philanthropies Boston, MA | Cash Donation | $70,000 |
| Temple Emanuel Newton, MA | Morning Minyan | $50,000 |
| Friends of the Public Garden Boston, MA | Comm Ave. Lights | $40,000 |
| Jewish Federation of Palm Beach West Palm Beach, FL | PLS & HS | $37,000 |
| The Boston Foundation Boston, MA | Civic Leadership Fund | $33,000 |
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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 | $7,035,526 | $4,001,573 | $1,494,900 | $1,434,080 | 47 | $1,443,524 | $3,950,198 | $387,081 |
| 2024 | $4,587,253 | $-235,266 | $1,099,594 | $1,010,410 | 47 | $1,010,604 | $57,250 | $343,274 |
| 2023 | $5,104,054 | $-341,514 | $1,881,608 | $1,804,000 | 64 | $1,805,207 | $44,426 | $410,519 |
| 2022 | $8,362,440 | $1,435,074 | $2,062,503 | $1,921,840 | 62 | $1,922,742 | $295,313 | $453,830 |
| 2021 | $9,135,867 | $1,393,207 | $1,598,610 | $1,471,500 | 36 | — | $1,266,867 | $460,100 |
Under IRS private-foundation payout rules, The Sidman Family Foundation Inc reported a distributable amount of $387K 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 grant records show support for organizations and activities including Jewish life at Duke, Jewish communal organizations, education, public parks, civic leadership, and health care.
Grantees describe their own work in varied terms. Belmont Hill School says it educates boys and seeks to develop men of good character. Friends of the Public Garden says it works with Boston’s parks department to preserve, protect, and enhance Boston Common, the Public Garden, and the Commonwealth Avenue Mall. Boston Community Pediatrics describes providing ambulatory pediatric and related health care in Boston and surrounding communities. Team IMPACT says it matches children facing serious or chronic illnesses with college athletic teams to address emotional trauma and social isolation. Brothers for Life says it supports Jewish and Israeli heroism and helps injured combat veterans through education, mentoring, social services, and financial aid. The Jewish Resource Center in Ann Arbor describes providing Jewish outreach to college students, while Friends of Hagal Sheli says it supports an Israeli nonprofit using surfing with at-risk youth and trauma survivors.
Grantmaking
In 2025, the foundation reported 47 grants totaling $1,434,080. Grant amounts ranged from $180 to $347,000, with a median of $5,400. The largest grants included $347,000 to Duke University for “Jewish Life at Duke,” $250,000 to Combined Jewish Philanthropies, and $100,000 each to Belmont Hill School, Combined Jewish Philanthropies for “Pymt 2 of 5 Antisemitism,” and Jewish Communal Fund.
Other listed grants included $50,000 to Temple Emanuel for “Morning Minyan,” $40,000 to Friends of the Public Garden for “Comm Ave. Lights,” $33,000 to The Boston Foundation for “Civic Leadership Fund,” and $25,000 each to ADL and Boston Community Pediatrics. The 2025 recipient information also lists two grants of $25,000 each to Brothers for Life, as well as $25,000 to Team IMPACT, $20,000 to the Jewish Resource Center, and $18,000 to Friends of Hagal Sheli.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Paula M Sidman as president and director, Hope Sidman as treasurer and director, and Mathew K Sidman as assistant treasurer.
The Sidman Family Foundation Inc is led by Paula M. Sidman, President & Director on every filing since 2021; none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
Paula M. Sidman
President & Director
On filings since 2021
5 hrs/week
No compensation reported
Hope Sidman
Treasurer & Director
On filings since 2021
5 hrs/week
No compensation reported
Mathew K. Sidman
Assistant Treasurer & C
Clerk & Director → Assistant Treasurer & C, 2022
On filings since 2021
5 hrs/week
No compensation reported
Former officers (1)
- Former: J. Robert Casey (2021–2022) — Assistant Clerk
Data from IRS Form 990 filings, 2021–2025. "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 The Sidman Family Foundation Inc
How much does The Sidman Family Foundation Inc give each year?
The Sidman Family Foundation Inc gave $1.4M across 47 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $1.0M across 47 grants.
What is The Sidman Family Foundation Inc's typical grant size?
The Sidman Family Foundation Inc's median grant in 2025 was $5,400, and its average grant was $30,512, across 47 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from The Sidman Family Foundation Inc that year got $15K on average.
Where does The Sidman Family Foundation Inc give grants?
The Sidman Family Foundation Inc gives mostly in Massachusetts: 56% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were North Carolina (24%) and New York (8%). The most frequent recipient cities were Boston, MA (17 grants), New York City, NY (3 grants), Newton, MA (2 grants) and Seattle, WA (2 grants).
Does The Sidman Family Foundation Inc give general operating support?
Occasionally: 4% of The Sidman Family Foundation Inc's 2025 grants with a stated purpose (2 of 47) were for general or operating support, per its 2025 IRS Form 990-PF. Recurring purposes include "Cash Donation" (31 grants).
Who are The Sidman Family Foundation Inc's largest grantees?
The Sidman Family Foundation Inc's largest 2025 grantees include Combined Jewish Philanthropies ($443,900 across 6 grants), Duke University ($347,000) and Belmont Hill School ($100,000), according to its 2025 IRS Form 990-PF. Together they received 62% of its itemized 2025 grant dollars.
How large is The Sidman Family Foundation Inc?
The Sidman Family Foundation Inc reported $7.0M in total assets on its 2025 IRS Form 990-PF. It paid out $1.4M in qualifying distributions that year, against a required minimum of $387K (roughly 5% of its investment assets).
What does The Sidman Family Foundation Inc fund?
No mission statement for the foundation is provided. Its 2025 grant records show support for organizations and activities including Jewish life at Duke, Jewish communal organizations, education, public parks, civic leadership, and health care. See mission & focus areas ↑
How do I apply for a grant from The Sidman Family Foundation Inc?
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 The Sidman Family Foundation Inc's EIN?
The Sidman Family Foundation Inc's EIN (Employer Identification Number) is 20-3867727. IRS Form 990 filing data is available on this page for 2021–2025.
Does The Sidman Family Foundation Inc 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 October 2026.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2021–2025
Live grants for the work The Sidman Family Foundation Inc funds
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Cite this profile
Grantable. (2026). The Sidman Family Foundation Inc funder profile. GrantGraph. Retrieved October 17, 2026, from https://grantable.co/funders/the-sidman-family-foundation-inc-morg_fa2b10399ae24d439ca7bf3cf027d2ad
BibTeX
@misc{grantable_203867727_2026,
author = {{Grantable}},
title = {{The Sidman Family Foundation Inc funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/the-sidman-family-foundation-inc-morg_fa2b10399ae24d439ca7bf3cf027d2ad},
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 The Sidman Family Foundation Inc'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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