The Winston Foundation

Gave $125K in 2025

Boston, Massachusetts · EIN 26-0414819 · Private foundation

Grants paid (2025)$125K

Organizations funded1

Typical grant$125,000

Total assets$3.1M

Half of its grants to organizations were between $125,000 and $125,000.

Does The Winston Foundation fit your nonprofit?

A free check of its grants against your cause and state, starting from Health in Massachusetts - change them on the next page. You also see the foundations that fit you best, with the grants that show why.

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From the return

How to apply

The foundation filed the following application information (Form 990-PF Part XV, tax year 2025):

Contact	Jonathan Korb Trustee
Address	230 Congress Street, Boston MA 02110
Phone	(617) 523-6531
Form and materials	Letter regarding project/research for grant requests or biographical information/grade transcript for scholarship requests.
Deadlines	None
Restrictions	None

Wording as filed; text the foundation typed in capitals is shown in normal case. Deadlines on a tax return describe the foundation's usual process; they are not confirmation of a current open cycle.

What it funds

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

Health1

Where it gives

0% of grants went outside Massachusetts.

Massachusetts1

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.

Health grants in Massachusetts1 of its grant, $125K · 2,425 foundations

Grants paid in tax year 2025

Recipient	Location	Purpose	Amount
Mass General Hospital	Boston, MA	Scientific/Medical research	$125,000

Does The Winston Foundation fit your nonprofit? Free check against these grants.

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Giving by year

Tax year	Grants paid	Grant lines
2025	$125,000	1
2024	$110,000	1
2023	$100,000	1

Sources

IRS Form 990-PF, tax year 2025, filed Apr 29, 2026 - IRS e-file batch, object ID 202611199349101221
IRS Tax Exempt Organization Search for EIN 26-0414819
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.