The Brook Fund Inc
The Brook Fund Inc is a private foundation based in Allendale, New Jersey. Its filings show charitable grants to organizations including educational institutions, Jewish community organizations, social-service organizations, and health-related organizations.
The Brook Fund Inc at a glance
In short: The Brook Fund Inc gave $305K across 87 grants in 2025 (avg $4K), top state New York. 14% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $304,800
- -1.1% vs 2024
- Grants made (2025)
- 87
- -6.5% vs 2024
- Average grant
- $3,503
- +5.8% vs 2024
- Median grant
- $600
- Total assets
- $3,216,551
- +39.2% vs 2024
- New grantees (estimate)
- 14% first-time grantees (12 of 87, 2025)
- Primary geography
- New York (25% 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 Brook Fund Inc
- 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: 182 West Allendale Avenue, Allendale, NJ 07401-1723
Phone: (201) 785-8881
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who The Brook Fund Inc funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Cornell University ($47K). Together the top 10 received $188K.
Grant Size Distribution
449 grants across all recorded years
The most common grant size was under $50K: 446 grants of 449 (99%).
Geographic Focus
Where this funder awards grants
In filing year 2025, grant dollars were distributed to recipients in New York (25%), Georgia (22%), Iowa (15%), New Jersey (13%), and Maryland (12%). The listed grants also include recipients in Rhode Island.
Grant Distribution by State
Share of 2025 grant dollars across all 87 itemized grants.
States
Cities
Is The Brook Fund Inc open to new grantees?
14%
first-time grantees, 2025
In 2025, 12 of 87 grantees (14%) were first-time recipients. First grants averaged $4K; repeat grants $3K. How we count
Medians: $1K first-time, $600 repeat.
- 85% of 2025 grantees were also funded in 2024. Method
- Giving held roughly steady from 2022 to 2025 (+10%). Method
- In 2025 it paid out 178% of its IRS minimum distribution (the 5% rule). 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 $261K (2021) to $334K (2023). In 2025 it made 87 grants totaling $305K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Cornell University Boone, IA | Charitable | $47,000 |
| Savannah Jewish Federation Savannah, GA | Charitable | $30,000 |
| JCCNNJ Paramus, NJ | Charitable | $25,000 |
| Adamah Reisterstown, MD | Charitable | $20,000 |
| Brown University Providence, RI | Charitable | $13,000 |
| Savannah Jewish Educational Alliance Savannah, GA | Charitable | $11,800 |
| Breakthrough T1D (JDRF) Hagerstown, MD | Charitable | $10,500 |
| The Sylvia Center Bronx, NY | Charitable | $10,500 |
| NY STEM Cell Foundation New York, NY | Charitable | $10,000 |
| Savannah Classical Academy Savannah, GA | Charitable | $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 | $3,216,551 | $1,254,973 | $349,920 | $304,800 | 87 | $304,800 | $879,216 | $171,496 |
| 2024 | $2,311,518 | $560,426 | $360,163 | $308,050 | 93 | $308,050 | $419,911 | $137,864 |
| 2023 | $2,111,255 | $226,520 | $381,068 | $333,885 | 85 | $333,885 | $197,877 | $123,339 |
| 2022 | $2,272,481 | $61,300 | $345,460 | $277,017 | 87 | $277,017 | $53,919 | $144,135 |
| 2021 | $2,549,963 | $234,806 | $298,386 | $260,945 | 97 | $260,945 | $201,256 | $163,774 |
| 2020 | $2,613,543 | $327,567 | $355,087 | $307,025 | 87 | — | $217,495 | $150,635 |
Under IRS private-foundation payout rules, The Brook Fund Inc reported a distributable amount of $171K 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 grants include support for organizations with varied missions. For example, Foundation for Jewish Camp describes its work as strengthening the Jewish camp movement, while KIPP New York says it aims to prepare students for college, career, and beyond. The Jericho Project describes its mission as ending homelessness at its roots, and the Crohn’s & Colitis Foundation says it works to find cures and improve quality of life for people affected by Crohn’s disease and ulcerative colitis.
Grantmaking
In filing year 2025, the foundation reported 87 grants totaling $304,800. Grants ranged from $70 to $47,000, with a median grant of $600. The largest reported grants included Cornell University ($47,000), Savannah Jewish Federation ($30,000), JCCNNJ ($25,000), Adamah ($20,000), and Brown University ($13,000). Other grants included $10,500 each to Breakthrough T1D and The Sylvia Center, and $10,000 each to NY Stem Cell Foundation and Savannah Classical Academy.
In 2024, the foundation reported 93 grants totaling $308,050. Recipients included The Valley Hospital Foundation ($19,000), Foundation for Jewish Camp ($10,000), KIPP New York ($10,000), Adamah ($10,000), HIAS ($10,000), and the Crohn’s & Colitis Foundation ($10,000). Its 2025 filing, the latest on this page, reports 87 grants totaling $304,800.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists William Rukin as treasurer and Barnett Rukin and Donna Rukin as trustees. SLX Capital Managment Ltd is listed for asset management.
The Brook Fund Inc's 2025 filing lists 4 officers; 1 of 4 officers listed in 2025 is compensated.
Officers on the 2025 filing
Barnett Rukin
Trustee
On filings since 2020
No compensation reported
Donna Rukin
Trustee
On filings since 2021
No compensation reported
Slx Capital Managment Ltd
Asset Management
On filings since 2020
20 hrs/week
$42K (2020) → $33K (2025)
William Rukin
Treasurer
On filings since 2021
No compensation reported
Former officers (1)
- Former: Julius Eisen (2020) — Trustee
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.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $33K, to SLX Capital Managment Ltd (Asset Mgmt).
Frequently asked questions about The Brook Fund Inc
How much does The Brook Fund Inc give each year?
The Brook Fund Inc gave $305K across 87 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $308K across 93 grants.
What is The Brook Fund Inc's typical grant size?
The Brook Fund Inc's median grant in 2025 was $600, and its average grant was $3,503, across 87 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from The Brook Fund Inc that year got $4K on average.
Where does The Brook Fund Inc give grants?
The Brook Fund Inc's top state is New York, with 25% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were Georgia (22%) and Iowa (15%). The most frequent recipient cities were New York, NY (30 grants), Savannah, GA (13 grants), Bronx, NY (4 grants) and Richmond Hill, GA (4 grants).
Does The Brook Fund Inc give general operating support?
Not in 2025: none of the 87 grants with a stated purpose on The Brook Fund Inc's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Charitable" (87 grants).
Who are The Brook Fund Inc's largest grantees?
The Brook Fund Inc's largest 2025 grantees include Cornell University ($47,000), Savannah Jewish Federation ($30,000) and JCCNNJ ($25,000), according to its 2025 IRS Form 990-PF. Together they received 33% of its itemized 2025 grant dollars.
How large is The Brook Fund Inc?
The Brook Fund Inc reported $3.2M in total assets on its 2025 IRS Form 990-PF. It paid out $305K in qualifying distributions that year, against a required minimum of $171K (roughly 5% of its investment assets).
What does The Brook Fund Inc fund?
No mission statement for the foundation is provided. Its grants include support for organizations with varied missions. See mission & focus areas ↑
How do I apply for a grant from The Brook Fund Inc?
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 The Brook Fund Inc's EIN?
The Brook Fund Inc's EIN (Employer Identification Number) is 22-2561995. IRS Form 990 filing data is available on this page for 2020–2025.
Does The Brook Fund 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 September 2026.
Data update history
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS June 23, 2026)
- IRS filings on file for fiscal years 2020–2024
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Cite this profile
Grantable. (2026). The Brook Fund Inc funder profile. GrantGraph. Retrieved October 18, 2026, from https://grantable.co/funders/the-brook-fund-inc-morg_ec57acec3d5048b88724cb1c153d6e46
BibTeX
@misc{grantable_222561995_2026,
author = {{Grantable}},
title = {{The Brook Fund Inc funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/the-brook-fund-inc-morg_ec57acec3d5048b88724cb1c153d6e46},
note = {Accessed 2026-10-18. 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 Brook Fund 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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