Bonsen Foundation

Invitation Only

Cambridge, Massachusetts · EIN 82-4380106 · Private foundation

Grants paid (2024)$330K

Organizations funded1

Typical grant$330,000

Total assets$4.5M

Half of its grants to organizations were between $330,000 and $330,000.

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From the return

How to apply

On its return for tax year 2024 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.

Where it gives

0% of grants went outside Massachusetts.

Massachusetts1

Grants paid in tax year 2024

Recipient	Location	Purpose	Amount
Massachusetts Institute of Technolo	Cambridge, MA	To further donee organization's exempt purpose	$330,000

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Giving by year

Tax year	Grants paid	Grant lines
2024	$330,000	1
2023	$250,000	1

Sources

IRS Form 990-PF, tax year 2024, filed Nov 17, 2025 - IRS e-file batch, object ID 202543219349104709
IRS Tax Exempt Organization Search for EIN 82-4380106
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.