The Brook Fund Inc

Private foundation · Grantmaker Allendale, NJ EIN: 22-2561995

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

Cornell University: $47KCornell University$47KSavannah Jewish Federation: $30KSavannah Jewish Federation$30KJCCNNJ: $25KJCCNNJ$25KAdamah: $20KAdamah$20KBrown University: $13KBrown University$13KSavannah Jewish Educational Alliance: $12KSavannah Jewish EducationalAlliance$12KBreakthrough T1D (JDRF): $11KBreakthrough T1D (JDRF)$11KThe Sylvia Center: $11KThe Sylvia Center$11KNY STEM Cell Foundation: $10KNY STEM Cell Foundation$10KSavannah Classical Academy: $10KSavannah Classical Academy$10K

The largest 2025 recipient was Cornell University ($47K). Together the top 10 received $188K.

Grant Size Distribution

449 grants across all recorded years

446<$50K3$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

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

15states

Share of 2025 grant dollars across all 87 itemized grants.

Cities

New YorkSavannahRichmond HillBronxWashingtonParamusBooneAtlantaSaddle RiverCliftonEnglewood CliffsRidgewoodWoodcliff LakeLos AngelesEnglewoodBaltimoreHackensackHicksvilleMorristownPeabody

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

$0$100K$200K$300K$400K87 grants2020 97 grants2021 87 grants2022 85 grants2023 93 grants2024 87 grants2025

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

RecipientPurposeAmount
Cornell University Boone, IACharitable$47,000
Savannah Jewish Federation Savannah, GACharitable$30,000
JCCNNJ Paramus, NJCharitable$25,000
Adamah Reisterstown, MDCharitable$20,000
Brown University Providence, RICharitable$13,000
Savannah Jewish Educational Alliance Savannah, GACharitable$11,800
Breakthrough T1D (JDRF) Hagerstown, MDCharitable$10,500
The Sylvia Center Bronx, NYCharitable$10,500
NY STEM Cell Foundation New York, NYCharitable$10,000
Savannah Classical Academy Savannah, GACharitable$10,000
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$3,216,551$1,254,973$349,920$304,80087$304,800$879,216$171,496
2024$2,311,518$560,426$360,163$308,05093$308,050$419,911$137,864
2023$2,111,255$226,520$381,068$333,88585$333,885$197,877$123,339
2022$2,272,481$61,300$345,460$277,01787$277,017$53,919$144,135
2021$2,549,963$234,806$298,386$260,94597$260,945$201,256$163,774
2020$2,613,543$327,567$355,087$307,02587—$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

SLX Capital Managment Ltd — Asset Mgmt: $33KSLX Capital Managment…Asset Mgmt$33K

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

  1. Added Form 990-PF for fiscal year 2025 (received by the IRS June 23, 2026)
  2. 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 November 7, 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 2026-11-07. 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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