Slanetz Science Foundation
Slanetz Science Foundation is a private foundation focused on Medical Research, based in Boston, MA. IRS filing data is available from 2019 through 2025. In 2025, it awarded 2 grants totaling $6K.
Slanetz Science Foundation at a glance
In short: Slanetz Science Foundation gave $6K across 2 grants in 2025 (avg $3K), mostly in New York. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $6,000
- +100.0% vs 2024
- Grants made (2025)
- 2
- +100.0% vs 2024
- Average grant
- $3,000
- +0.0% vs 2024
- Median grant
- $3,000
- Primary geography
- New York (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who Slanetz Science Foundation funds
How this funder distributes its grants
Top Recipients
Top 2 recipients in 2025
The largest 2025 recipient was Columbia University ($3K). Together the top 2 received $6K.
Grant Size Distribution
8 grants across all recorded years
The most common grant size was under $50K: 8 grants of 8 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 2 itemized grants.
States
Cities
How Slanetz Science Foundation gives
- Giving held roughly steady from 2022 to 2025 (+0%). Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $3K (2019) to $6K (2025). In 2025 it made 2 grants totaling $6K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Columbia University New York, NY | Research | $3,000 |
| John Jones Fellowship Fund New York, NY | Research | $3,000 |
Ready to take the next step with Slanetz Science Foundation?
Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income |
|---|---|---|---|---|---|---|---|
| 2025 | — | $8 | $6,900 | $6,000 | 2 | — | — |
| 2024 | $39,261 | $2,111 | $3,875 | $3,000 | 1 | — | $2,111 |
| 2023 | $41,025 | $2,398 | $6,906 | $6,000 | 2 | $6,000 | $2,385 |
| 2022 | $45,533 | $2,159 | $6,029 | $6,000 | 2 | $6,000 | $2,200 |
| 2021 | $49,403 | $2,285 | $3,877 | $3,000 | 1 | $3,000 | $2,094 |
| 2020 | $47,056 | $1,762 | $3,796 | $3,000 | 1 | — | $1,943 |
| 2019 | $50,018 | $2,095 | $3,794 | $3,000 | 1 | — | $2,095 |
Leadership & Key People
Officers and directors from IRS filings
Slanetz Science Foundation is led by Phoebe Gillette Slanetz, Trustee on every filing since 2019 — the only officer listed, and uncompensated.
Officers on the 2025 filing
Phoebe Gillette Slanetz
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 Slanetz Science Foundation
How much does Slanetz Science Foundation give each year?
Slanetz Science Foundation gave $6K across 2 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $3K across 1 grant.
What is Slanetz Science Foundation?
Slanetz Science Foundation is a private foundation focused on Medical Research, based in Boston, MA.
Where does Slanetz Science Foundation operate?
Slanetz Science Foundation has awarded grants in New York.
What is Slanetz Science Foundation's EIN?
Slanetz Science Foundation's EIN (Employer Identification Number) is 11-3238116. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2024 (received by the IRS April 9, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS May 15, 2026)
- Added Form 990-PF for fiscal year 2019 (received by the IRS February 4, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS May 17, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS May 18, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS May 20, 2024)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 20, 2024)
Explore Open Grants
Browse active grant opportunities in Slanetz Science Foundation's focus areas in our free grants database
Similar Funders
Similar funders in Massachusetts
Boston Foundation Inc
Boston, MA
The Boston Foundation funds nonprofits and community initiatives focused on equity and opportunity, including child well-being, economic opportunity, community wealth, and community leadership, primarily in Greater Boston. Its 2025 grants had a median of $25,000, while specific programs offer amounts such as $50,000; whether it accepts unsolicited requests is not stated.
Assets
$2.1B
Grants
2,375
Total Given
$228.4M
Eastern Bank Foundation
Wakefield, MA
Eastern Bank Foundation supports economic inclusion and mobility, including small businesses, early childhood development, affordable housing, and workforce development. Its 2025 grants ranged from $50 to $2,002,500, with a median of $2,500, primarily in Massachusetts and also in New Hampshire and Rhode Island. It accepts online applications and does not limit giving to preselected organizations.
Assets
$266.7M
Grants
1,786
Total Given
$19.0M
Barr Foundation
Boston, MA
The Barr Foundation funds arts and creativity, climate, education, and New England’s social sector, primarily through long-term support for organizations in New England. Its 2024 grants ranged from $100 to $3.275 million, with a median of $80,000. Its filing says it accepts only requests from preselected organizations and does not accept unsolicited requests, though its website describes program-page inquiries and occasional open calls.
Assets
$1.9B
Grants
903
Total Given
$123.2M
Liberty Mutual Foundation Inc
Boston, MA
Liberty Mutual Foundation funds basic needs such as food and shelter, education and workforce development, and climate and community infrastructure, including homelessness and community preparedness programs. Its 2024 grants had a median of $35,000, and most funding supports organizations or programs serving the Boston area, though it also gives elsewhere. It accepts unsolicited online requests on a rolling basis, with no submission deadlines.
Assets
$46.1M
Grants
706
Total Given
$50.6M
Cummings Foundation Grants Inc (FKA Oneworld Boston Inc)
Woburn, MA
Cummings Foundation Grants Inc. funds nonprofits working in human services, education, healthcare, fairness and justice, and the environment, primarily in greater Boston and eastern Massachusetts. Its 2024 grants ranged from $1,000 to $3.5 million, with a median of $35,000; it accepts letters of inquiry through an online portal during its application cycle, which was not open at the time described.
Assets
$258.2M
Grants
658
Total Given
$38.2M
American Tower Corporation Foundation
Boston, MA
Assets
$15.4M
Grants
632
Total Given
$1.7M
More similar funders
More Funders in Massachusetts
The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open
Figures come from Slanetz Science 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.
Slanetz Science Foundation down — hundreds of funders to go?