The Marshall & Therese Sonenshine Fdn
The Marshall & Therese Sonenshine Fdn is a private foundation, based in New York, NY. IRS filing data is available from 2021 through 2026. As of 2026, the organization holds $1.5M in total assets. In 2026, it awarded 13 grants totaling $312K. Net investment income was $62K.
The Marshall & Therese Sonenshine Fdn at a glance
In short: The Marshall & Therese Sonenshine Fdn gave $312K across 13 grants in 2026 (avg $24K), top state Massachusetts. Source: 2026 IRS Form 990-PF.
- Annual giving (2026)
- $312,100
- +761.0% vs 2025
- Grants made (2026)
- 13
- +225.0% vs 2025
- Average grant
- $24,008
- +164.9% vs 2025
- Median grant
- $21,500
- Total assets
- $1,547,993
- -14.1% vs 2025
- Primary geography
- Massachusetts (36% of itemized 2026 grant dollars)
- Latest 990 filing
- Form 990-PF, 2026 View filing
Data from IRS Form 990-PF, 2026; updated November 2026.
Who The Marshall & Therese Sonenshine Fdn funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2026
The largest 2026 recipient was American Friends of Soroka Medical Center ($60K). Together the top 10 received $311K.
Grant Size Distribution
27 grants across all recorded years
The most common grant size was under $50K: 23 grants of 27 (85%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2026 grant dollars across all 13 itemized grants.
Cities
How The Marshall & Therese Sonenshine Fdn gives
- 23% of 2026 grantees were also funded in 2025. Method
- Giving grew 680% from 2023 to 2026. Method
- In 2026 it paid out 266% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2026). 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 2026, annual grant giving ranged from $25K (2022) to $312K (2026). In 2026 it made 13 grants totaling $312K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| American Friends of Soroka Medical Center Scarsdale, NY | Grant for Medical Research | $60,000 |
| Duke University Durham, NC | Grant for Education Research | $55,000 |
| President and Fellows of Harvard College Cambridge, MA | Grant for Operating Purposes | $50,000 |
| National Philanthropic Trust Jenkintown, PA | Grant for Operating Purposes | $50,000 |
| Harvard Law School Cambridge, MA | Grant for Medical and Educational Research | $40,000 |
| Hunter College Foundation New York, NY | Grant for Medical and Educational Research | $30,000 |
| Chabad of Martha's Vineyard Vineyard Haven, MA | Grant for Operating Purposes | $21,500 |
| American Friends of Israel Navy New York, NY | Grant for Operating Purposes | $2,500 |
| Jewish Community Center of Manhattan New York, NY | Grant for Operating Purposes | $800 |
| Center for Mind Body Medicine Washington, DC | Grant for Operating Purposes | $800 |
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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 |
|---|---|---|---|---|---|---|---|---|
| 2026 | $1,547,993 | $67,050 | $321,008 | $312,100 | 13 | $316,075 | $62,117 | $118,802 |
| 2025 | $1,801,951 | $65,257 | $39,394 | $36,250 | 4 | $37,822 | $63,685 | $109,516 |
| 2024 | $1,776,088 | $56,716 | $63,894 | $60,500 | 4 | $62,322 | $52,893 | $97,903 |
| 2023 | $1,783,266 | $34,733 | $44,695 | $40,000 | 4 | $42,472 | $27,815 | $94,927 |
| 2022 | $1,793,228 | $43,383 | $29,478 | $25,000 | 2 | $27,364 | $36,791 | $99,837 |
| 2021 | $1,779,323 | $22,373 | $79,250 | $75,000 | 1 | — | $20,123 | $92,471 |
Under IRS private-foundation payout rules, The Marshall & Therese Sonenshine Fdn reported a distributable amount of $119K for 2026 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
The Marshall & Therese Sonenshine Fdn's 2026 filing lists 2 officers; none of the 2 officers listed in 2026 report compensation.
Officers on the 2026 filing
H. Marshall Sonenshine
Trustee
On filings since 2021
10 hrs/week
No compensation reported
Therese Sonenshine
Trustee
On filings since 2021
10 hrs/week
No compensation reported
Data from IRS Form 990 filings, 2021–2026. "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 Marshall & Therese Sonenshine Fdn
How much does The Marshall & Therese Sonenshine Fdn give each year?
The Marshall & Therese Sonenshine Fdn gave $312K across 13 grants in 2026, according to its 2026 IRS Form 990-PF. In 2025 it gave $36K across 4 grants.
What is The Marshall & Therese Sonenshine Fdn's typical grant size?
The Marshall & Therese Sonenshine Fdn's median grant in 2026 was $21,500, and its average grant was $24,008, across 13 grants on its 2026 IRS Form 990-PF.
Where does The Marshall & Therese Sonenshine Fdn give grants?
The Marshall & Therese Sonenshine Fdn's top state is Massachusetts, with 36% of the grant dollars itemized on its 2026 IRS Form 990-PF. The next largest states were New York (30%) and North Carolina (18%). The most frequent recipient cities were New York, NY (5 grants) and Cambridge, MA (2 grants).
Does The Marshall & Therese Sonenshine Fdn give general operating support?
Yes: 69% of The Marshall & Therese Sonenshine Fdn's 2026 grants with a stated purpose (9 of 13) were for general or operating support, per its 2026 IRS Form 990-PF.
Who are The Marshall & Therese Sonenshine Fdn's largest grantees?
The Marshall & Therese Sonenshine Fdn's largest 2026 grantees include American Friends of Soroka Medical Center ($60,000), Duke University ($55,000) and President and Fellows of Harvard College ($50,000), according to its 2026 IRS Form 990-PF. Together they received 53% of its itemized 2026 grant dollars.
How large is The Marshall & Therese Sonenshine Fdn?
The Marshall & Therese Sonenshine Fdn reported $1.5M in total assets on its 2026 IRS Form 990-PF. It paid out $316K in qualifying distributions that year, against a required minimum of $119K (roughly 5% of its investment assets).
What is The Marshall & Therese Sonenshine Fdn's EIN?
The Marshall & Therese Sonenshine Fdn's EIN (Employer Identification Number) is 13-7152865. IRS Form 990 filing data is available on this page for 2021–2026.
Data last updated November 2026. Sourced from IRS Form 990-PF filings.
Data update history
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2026 (received by the IRS September 15, 2026)
- IRS filings on file for fiscal years 2021–2025
Live grants for the work The Marshall & Therese Sonenshine Fdn funds
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