Halvorsen Family Foundation

EIN 061603158

Old Greenwich, CT 06870 |(203) 863-5039

Total Given 2018–2024
$65.7M
87 grants · $9.4M avg/year
based on 7 yrs of IRS 990-PF records on file
$1M+/yr
mid-tier
capacity
$50K
typical mid grants · $10K–$145K
grant size
45%
supporter · 23/51 multi-year
repeat
$322.0M
Assets (2024)
51
Distinct Recipients

Focus Areas

Education Health Arts & Culture Environment

Application Information

Accepts Unsolicited Proposals No — Preselected Only
Phone (203) 863-5039

Financial Trends

Giving Over Time

Total Assets Over Time

View financial data as table
YearTotal GivingTotal AssetsRevenueGrants
2016 N/A $120.1M $24K N/A
2017 N/A $146.1M $11K N/A
2018 $440K $152.9M $137K 1
2019 N/A $184.7M $2.6M N/A
2020 $7.1M $247.5M $7.1M 7
2021 $9.3M $301.4M $4.3M 9
2022 $13.3M $235.3M $4.0M 28
2023 $14.6M $265.6M $15.5M 24
2024 $20.9M $322.0M $21.4M 18

Grant Size Distribution

Based on 87 grants on record

Minimum
$1K
25th Pctl
$10K
Median
$50K
Average
$755K
75th Pctl
$145K
Maximum
$20.0M

Geographic Distribution

Officers & Directors

Grants Awarded (87 total)

Purpose
Stanford Medical Development Redwood City, CA $20,000,000 EDUCATIONAL SUPPORT 2024
Jp Morgan Charitable Fund Jenkintown, PA $9,329,500 GENERAL SUPPORT 2022
Sterling and Francine Clark Art Institute Williamstown, MA $5,450,000 ARTISTIC INITIATIVES 2023
Memorial Sloan Kettering Cancer Center West Harrison, NY $5,250,000 MEDICAL SUPPORT 2023
Jp Morgan Charitable Fund Jenkintown, PA $5,053,000 GENERAL SUPPORT 2021
Williams College Williamstown, MA $3,711,565 EDUCATIONAL SUPPORT 2020
Hospital for Special Surgery New York, NY $3,000,000 MEDICAL SUPPORT 2021
Sterling and Francine Clark Institute Williamstown, MA $2,120,000 ARTISTIC INITIATIVES 2020
The Hospital for Special Surgery Fund Inc New York, NY $2,000,000 MEDICAL SUPPORT 2022
Weill Cornell Medicine New York, NY $1,250,000 MEDICAL SUPPORT 2023
Stanford University - Gsb Stanford, CA $1,000,000 EDUCATIONAL SUPPORT 2020
Us Ski & Snowboard Park City, UT $1,000,000 ATHLETIC OPPORTUNITIES 2023
Williams College Williamstown, MA $750,000 EDUCATIONAL SUPPORT 2021
The Rockefeller University New York, NY $600,000 EDUCATIONAL SUPPORT 2022
Williams College Williamstown, MA $550,000 EDUCATIONAL SUPPORT 2023
Sterling and Francine Clark Art Institute Williamstown, MA $479,000 ARTISTIC INITIATIVES 2022
Stanford University Stanford, CA $440,200 EDUCATIONAL SUPPORT 2018
Wildlife Conservation Society Bronx, NY $350,000 WILDLIFE CONSERVATION 2023
Williams College Williamstown, MA $350,000 EDUCATIONAL SUPPORT 2024
Rockefeller University New York, NY $200,000 EDUCATIONAL SUPPORT 2021
Williams College Williamstown, MA $200,000 EDUCATIONAL SUPPORT 2022
The Rockefeller University New York, NY $150,000 EDUCATIONAL SUPPORT 2023
Gunnar Sonstebys Minnefond Oslo, None $139,890 GENERAL SUPPORT 2020
The Norway-America Association (Noram) Oslo, None $105,923 EDUCATIONAL SUPPORT 2020
Sterling and Francine Clark Institute Williamstown, MA $100,000 ARTISTIC INITIATIVES 2021