Halvorsen Family Foundation
Invitation OnlyStamford, Connecticut · EIN 06-1603158 · Private foundation
Grants paid (2024)$34.5M
Organizations funded33
Typical grant$20,000
Total assets$365.4M
Half of its grants to organizations were between $10,000 and $200,000.
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.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
74% of grants went outside Connecticut.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Stanford Medical Development | Redwood City, CA | Educational support | $20,000,000 |
| Sterling and Francine Clark Art Institute | Williamstown, MA | Artistic initiatives | $5,125,000 |
| Memorial Sloan Kettering Cancer Center | West Harrison, NY | Medical support | $5,000,000 |
| Green Mountain Valley School | Waitsfield, VT | Educational support | $1,500,000 |
| Weill Cornell Medicine | New York, NY | Medical support | $1,000,000 |
| US Ski & Snowboard | Park City, UT | Athletic opportunities | $500,000 |
| Wildlife Conservation Society | Bronx, NY | Wildlife conservation | $350,000 |
| The Rockefeller University | New York, NY | Educational support | $275,000 |
| Williams College | Williamstown, MA | Educational support | $200,000 |
| Stanford University | Stanford, CA | Educational support | $100,000 |
| Teachers College Columbia University | New York, NY | Educational support | $100,000 |
| New England Nordic Ski Association | New Gloucester, ME | Athletic opportunities | $50,000 |
| The Hospital for Special Surgery Fund Inc | New York, NY | Medical support | $50,000 |
| The Museum of Modern Art | New York, NY | Artistic initiatives | $50,000 |
| Norwegian-America Association | Oslo, NO | General support | $26,464 |
| National Audubon Society Connecticut | Fairfield, CT | Environmental support | $25,000 |
| Darien Police Association | Darien, CT | Community support | $20,000 |
| The Maritime Aquarium at Norwalk | Norwalk, CT | Educational support | $15,000 |
| Stowe Volunteer Firefighters Inc | Stowe, VT | General support | $15,000 |
| Stowe Land Trust | Stowe, VT | Environmental support | $10,000 |
| Darien Community Association | Darien, CT | Community support | $10,000 |
| Darien Emergency Medical Services - Post 53 | Darien, CT | Medical support | $10,000 |
| Darien Library Inc | Darien, CT | Library support | $10,000 |
| National Nordic Foundation | Saint Paul, MN | Athletic opportunities | $10,000 |
| Stowe Rescue Squad Inc | Stowe, VT | Medical support | $10,000 |
| Teach for America | New York, NY | Educational support | $10,000 |
| Westport River Watershed Alliance | Westport, MA | Environmental initiatives | $10,000 |
| Aktiv Mot Kreft | Oslo, NO | Medical support | $9,806 |
| Darien Nature Center | Darien, CT | Environmental support | $5,000 |
| Catamount Trail Association | Burlington, VT | Athletic opportunities | $2,000 |
| Stowe Swimmers Foundation | Stowe, VT | Athletic opportunities | $2,000 |
| The Friends of Stowe Library | Stowe, VT | Educational support | $1,000 |
| Autism Services & Resources Connecticut | Wallingford, CT | Medical support | $1,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $34,502,270 | 33 |
| 2023 | $20,884,778 | 18 |
| 2022 | $14,595,000 | 24 |
Sources
- IRS Form 990-PF, tax year 2024, filed Apr 9, 2026 - IRS e-file batch, object ID 202620999349100827
- IRS Tax Exempt Organization Search for EIN 06-1603158
- Profile updated Nov 5, 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.