Janet & Seth Rosenberg Foundation Inc

Invitation Only

Cambridge, Massachusetts · EIN 42-1529790 · Private foundation

Grants paid (2025)$23K

Organizations funded5

Typical grant$1,000

Total assets$684K

Half of its grants to organizations were between $650 and $1,000.

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From the return

How to apply

On its return for tax year 2025 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.

What it funds

Share of grant lines on the latest return, classified from the purpose each grant states.

Education2
Health1

Where it gives

100% of grants went outside Massachusetts.

Where it gives most, by cause

Its largest causes in a single state on the latest return. Each page shows the leading foundations that fund the same cause there, with their largest grants.

Grants paid in tax year 2025

Recipient	Location	Purpose	Amount
Friends of Karen	North Salem, NY	Charitable contribution	$2,000
St Luke Fund for Hati	Miami, FL	Charitable contribution	$1,000
Washington Jefferson College	Washington, PA	Charitable contribution	$1,000
Orange Co Jewish Community Scholar	Irvine, CA	Charitable contribution	$650
Ardsley Heart Corp	Yonkers, NY	Charitable contribution	$500

The return also lists 5 grants to individuals ($17,500). We do not publish the names of individual recipients.

Giving by year

Tax year	Grants paid	Grant lines
2025	$22,650	10
2024	$20,850	9
2023	$16,250	9

Sources

IRS Form 990-PF, tax year 2025, filed Jul 3, 2026 - IRS e-file batch, object ID 202601849349100300
IRS Tax Exempt Organization Search for EIN 42-1529790
Profile updated Nov 11, 2026

Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.