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Halvorsen Family Foundation

Grantmaking foundation in Greenwich, Connecticut · EIN 06-1603158

Grants itemized on the 990
$35MTax year 2025
Grants made
33Tax year 2025
Total assets
$370MLatest reported
Latest IRS filing
2025Form 990 / 990-PF

Mission

THE FOUNDATION IS NOT INVOLVED IN ANY CHARITABLE ACTIVITIES. ITS PRIMARY PURPOSE IS TO SUPPORT, BY CONTRIBUTIONS, OTHER ORGANIZATIONS EXEMPT UNDER IRC SECTION 501(C)(3).

Quoted from the foundation's IRS filing.

Giving by year

$7.1M2019
$9.3M2020
$13M2021
$15M2022
$21M2023
$21M2024
$35M2025

Totals by tax year, rounded to two significant figures. Years without a reported total show the sum of grants itemized on the filing.

Top recipients

RecipientAmountTax year
Stanford Medical Development$20M2025
Sterling and Francine Clark Art Institute$5.1M2025
Memorial Sloan Kettering Cancer Center$5M2025
Green Mountain Valley School$1.5M2025
Weill Cornell Medicine$1M2025

Amounts are rounded. The full grantee list (33 grants in 2025) is available with a free account.

Website: hff.org

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Similar foundations in Connecticut

Source: IRS Form 990 and 990-PF filings, tax year 2025. Also see this organization on ProPublica Nonprofit Explorer.