The Nirenberg Foundation Inc

Private foundation · Grantmaker East Hartford, CT EIN: 22-3059287

The Nirenberg Foundation Inc is a private foundation, based in East Hartford, CT. IRS filing data is available from 2021 through 2024. As of 2024, the organization holds $15K in total assets. In 2024, it awarded 2 grants totaling $3.1M. Net investment income was $40K.

The Nirenberg Foundation Inc at a glance

In short: The Nirenberg Foundation Inc gave $3.1M across 2 grants in 2024 (avg $1.6M), mostly in Massachusetts. Source: 2024 IRS Form 990-PF.

Annual giving (2024)
$3,124,970
+2392.0% vs 2023
Grants made (2024)
2
-66.7% vs 2023
Average grant
$1,562,485
+7376.0% vs 2023
Median grant
$1,562,485
Total assets
$14,847
-84.8% vs 2023
Primary geography
Massachusetts (100% of itemized 2024 grant dollars)
Latest 990 filing
Form 990-PF, 2024 View filing

Data from IRS Form 990-PF, 2024; updated September 2026.

Who The Nirenberg Foundation Inc funds

How this funder distributes its grants

Top Recipients

Top 2 recipients in 2024

The Boston Foundation: $2.0MThe Boston Foundation$2.0MDana-Farber Cancer Institute: $1.1MDana-Farber Cancer Institute$1.1M

The largest 2024 recipient was The Boston Foundation ($2.0M). Together the top 2 received $3.1M.

Grant Size Distribution

27 grants across all recorded years

22<$50K3$50–100K$100–250K$250–500K$500K–1M2$1–5M$5M+

The most common grant size was under $50K: 22 grants of 27 (81%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

4states

Share of 2024 grant dollars across all 2 itemized grants.

Cities

SpringfieldNew YorkPhiladelphiaWashingtonBostonLongmeadowAmherstPalmer

How The Nirenberg Foundation Inc gives

  • Giving grew 1470% from 2021 to 2024. Method
  • In 2024 it paid out well above its IRS minimum distribution (the 5% rule). 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

$0$1M$2M$3M$4M10 grants2021 9 grants2022 6 grants2023 2 grants2024

From 2021 to 2024, annual grant giving ranged from $125K (2023) to $3.1M (2024). In 2024 it made 2 grants totaling $3.1M.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
The Boston Foundation Boston, MASupport$2,000,000
Dana-Farber Cancer Institute Boston, MASupport$1,124,970
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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
2024$14,847$44,475$3,135,145$3,124,9702$3,129,357$40,037$2,987
2023$97,893$88,656$151,865$125,4006$126,135$84,323$8,583
2022$161,102$264,671$206,245$153,1009$153,800$258,553$13,071
2021$102,676$126,654$251,615$199,10010—$118,755$19,676

Under IRS private-foundation payout rules, The Nirenberg Foundation Inc reported a distributable amount of $3K for 2024 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

The Nirenberg Foundation Inc's 2024 filing lists 2 officers; none of the 2 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • Larry Nirenberg

    Secretary, Treasurer & Director

    On filings since 2021

    No compensation reported

  • Pamela Nirenberg

    Director

    On filings since 2021

    No compensation reported

Former officers (1)
  • Former: Janet Nirenberg (2021–2022) — President & Director

Data from IRS Form 990 filings, 2021–2024. "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 Nirenberg Foundation Inc

How much does The Nirenberg Foundation Inc give each year?

The Nirenberg Foundation Inc gave $3.1M across 2 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $125K across 6 grants.

How large is The Nirenberg Foundation Inc?

The Nirenberg Foundation Inc reported $15K in total assets on its 2024 IRS Form 990-PF. It paid out $3.1M in qualifying distributions that year, against a required minimum of $3K (roughly 5% of its investment assets).

Where does The Nirenberg Foundation Inc operate?

The Nirenberg Foundation Inc has awarded grants in District of Columbia, Massachusetts, New York, Pennsylvania.

What is The Nirenberg Foundation Inc's EIN?

The Nirenberg Foundation Inc's EIN (Employer Identification Number) is 22-3059287. IRS Form 990 filing data is available on this page for 2021–2024.

Data last updated September 2026. Sourced from IRS Form 990-PF filings.

Data update history

(1)

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2021–2024

Explore Open Grants

Browse active grant opportunities in The Nirenberg Foundation Inc's focus areas in our free grants database

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United Jewish Foundation funds Jewish community continuity, including Jewish organizations, human services, education, and related community programs. Its 2025 grants had a median of $18,000, though awards ranged widely; 87% of grant dollars went to Michigan, with some support elsewhere. The profile does not state whether it accepts unsolicited requests.

Philanthropy, Voluntarism & Grantmaking

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Total Given

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William and Cynthia Marcus

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The foundation supports charitable organizations, with recent grants including Jewish community, education, and international relief groups. In 2025, grants ranged from $50 to $32,000, with a median of $1,000; recipients were mainly in Massachusetts, New York, and California. It gives only to preselected organizations and does not accept unsolicited requests.

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The foundation supports a range of charitable organizations, with grants typically around $300 (2025 awards ranged from $150 to $4,840). Its giving is concentrated in Massachusetts, New York, and Rhode Island, and it funds only preselected organizations, not unsolicited requests.

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The Harold & Ethel Horowitz

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Based in Boca Raton, Florida, the foundation supports a range of charitable organizations, including cultural, community, health, and Jewish organizations, with most recent grants going to Missouri, Florida, and Illinois. Its 2025 grants ranged from $100 to $10,000, with a median of $1,500. It funds only preselected organizations and does not accept unsolicited requests.

Philanthropy, Voluntarism & Grantmaking

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Goldstein Family Foundation

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Assets

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Aetna Foundation Inc

Hartford, CT

Aetna Foundation supported health and wellness, access to health care, and related community needs; its 2021 grants ranged from $5,000 to $1 million, with a median of $40,000, and went to organizations across multiple states, especially in D.C. and Connecticut. Its 2021 filing was marked final, so it appears to have ended or be winding down grantmaking; that filing said there were no restrictions on who could apply and pointed applicants to its website for application materials.

Assets

—

Grants

65

Total Given

$7.2M

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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from The Nirenberg 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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