Janet & Seth Rosenberg Foundation I

CAMBRIDGE, MA EIN: 42-1529790

Janet & Seth Rosenberg Foundation I is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in CAMBRIDGE, MA. IRS filing data is available from 2020 through 2024. In 2024, it awarded 9 grants totaling $21K.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

Annual Giving

$21K

+28.3% YoY

Grant Count

9

+0.0% YoY

Avg Grant Size

$2K

+28.3% YoY

About Janet & Seth Rosenberg Foundation I

Based on IRS filings

Janet & Seth Rosenberg Foundation I is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in CAMBRIDGE, MA. IRS filing data is available from 2020 through 2024. In 2024, it awarded 9 grants totaling $21K.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

7states

Cities

BOSTONIRVINELEWISTONLONG ISLAND CITYMIAMINEW YORKNORTH SALEMPHOENIXPHONEXREDDINGSAN FRANCISCOSCOTTSDALEWASHINGTONWASSAICWATERTOWN

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$0.275$0.55$0.8250000000000001$1.120202021202220232024
Metric202420232022
Total Assets
Revenue
Expenses
Qualifying Distributions
Net Investment Income
Distributable Amount

Giving Over Time

Total grant dollars and number of grants per year

$0$5K$10K$16K$21K9 grants202010 grants20219 grants20229 grants20239 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 9 recipients in 2024

ASPERGER'S ASSOC OF NEW …$10KFRIENDS OF KAREN$2KST MARY'S FOOD BANK ALLI…$2KOR ADAM CONGREGATION$2KORANGE CO JEWISH COMMUNI…$1KFAME$1KST LUKE FUND FOR HATI$1KQUINCEA$1KWASHINGTON JEFFERSON COL…$1K

Grant Size Distribution

46 grants across all recorded years

46<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include Asperger's Assoc of New England ($10,000), Friends of Karen ($2,000), St Mary's Food Bank Alliance ($2,000).

RecipientPurposeAmount
ASPERGER'S ASSOC OF NEW ENGLAND WATERTOWN, MACHARITABLE CONTRIBUTION$10,000
FRIENDS OF KAREN NORTH SALEM, NYCHARITABLE CONTRIBUTION$2,000
ST MARY'S FOOD BANK ALLIANCE PHOENIX, AZCHARITABLE CONTRIBUTION$2,000
FAME REDDING, CACHARITABLE CONTRIBUTION$1,000
ST LUKE FUND FOR HATI MIAMI, FLCHARITABLE CONTRIBUTION$1,000
QUINCEA SCOTTSDALE, AZCHARITABLE CONTRIBUTION$1,000
ORANGE CO JEWISH COMMUNITY SCHOLAR IRVINE, CACHARITABLE CONTRIBUTION$1,250
OR ADAM CONGREGATION SCOTTSDALE, AZCHARITABLE CONTRIBUTION$1,600
WASHINGTON JEFFERSON COLLEGE WASHINGTON, PACHARITABLE CONTRIBUTION$1,000

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
SETH ROSENBERGVICE PRESIDE
JANET ROSENBERGPRESIDENT

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What is Janet & Seth Rosenberg Foundation I?

Janet & Seth Rosenberg Foundation I is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in CAMBRIDGE, MA. It holds — in total assets as of 2024.

Where does Janet & Seth Rosenberg Foundation I operate?

Janet & Seth Rosenberg Foundation I has awarded grants in Arizona, California, Florida, Massachusetts, Maine, New York, Pennsylvania.

What size grants does Janet & Seth Rosenberg Foundation I award?

In 2024, Janet & Seth Rosenberg Foundation I awarded 9 grants totaling $21K — an average of about $2K per grant, based on its IRS Form 990 filings.

What is Janet & Seth Rosenberg Foundation I's EIN?

Janet & Seth Rosenberg Foundation I's EIN (Employer Identification Number) is 42-1529790. IRS Form 990 filing data is available on this page for 2020–2024.

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Related Funders

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

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