Funders › CT › Halvorsen Family Foundation C/O Ole Andreas Halvorsen Trustee › 2024
Grants paid by Halvorsen Family Foundation C/O Ole Andreas Halvorsen Trustee, tax year 2024
EIN 06-1603158 · Stamford, CT · Form 990-PF, Part XV · NTEE T90
In tax year 2024, Halvorsen Family Foundation C/O Ole Andreas Halvorsen Trustee (EIN 06-1603158) reported 18 grants paid totaling $20,884,778. Dataset version 2026.09.0, built 2026-09-03.
Every grant, 2024
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2024 | Stanford Medical Development Redwood City, CA | U | $20,000,000 | paid | EDUCATIONAL SUPPORT | 202542479349100329 |
| 2024 | Williams College Williamstown, MA | B | $350,000 | paid | EDUCATIONAL SUPPORT | 202542479349100329 |
| 2024 | Wildlife Conservation Society Bronx, NY | B | $100,000 | paid | WILDLIFE CONSERVATION | 202542479349100329 |
| 2024 | Sterling and Francine Clark Art Institute Williamstown, MA | C | $100,000 | paid | ARTISTIC INITIATIVES | 202542479349100329 |
| 2024 | The Hospital for Special Surgery Fund Inc New York, NY | B | $60,000 | paid | MEDICAL SUPPORT | 202542479349100329 |
| 2024 | The Rockefeller University New York, NY | B | $50,000 | paid | EDUCATIONAL SUPPORT | 202542479349100329 |
| 2024 | The Museum of Modern Art New York, NY | B | $50,000 | paid | ARTISTIC INITIATIVES | 202542479349100329 |
| 2024 | Nensa New Gloucester, ME | U | $50,000 | paid | ATHLETIC OPPORTUNITIES | 202542479349100329 |
| 2024 | Noram Oslo | U | $30,000 | paid | GENERAL SUPPORT | 202542479349100329 |
| 2024 | Greens Ledge Light Preservation Rowayton, CT | C | $25,000 | paid | PRESERVATION SUPPORT | 202542479349100329 |
| 2024 | Massachusetts Museum of Contemporary Art Foundation Inc North Adams, MA | B | $25,000 | paid | ARTISTIC INITIATIVES | 202542479349100329 |
| 2024 | Darien Police Association Darien, CT | B | $20,000 | paid | COMMUNITY SUPPORT | 202542479349100329 |
| 2024 | Stowe Land Trust Stowe, VT | B | $10,000 | paid | ENVIRONMENTAL SUPPORT | 202542479349100329 |
| 2024 | Darien Nature Center Darien, CT | B | $5,000 | paid | ENVIRONMENTAL SUPPORT | 202542479349100329 |
| 2024 | Aktiv Mot Kreft Oslo | U | $4,778 | paid | MEDICAL SUPPORT | 202542479349100329 |
| 2024 | Catamount Trail Association Burlington, VT | B | $2,000 | paid | ATHLETIC OPPORTUNITIES | 202542479349100329 |
| 2024 | Stowe Swimmers Foundation Stowe, VT | C | $2,000 | paid | ATHLETIC OPPORTUNITIES | 202542479349100329 |
| 2024 | The Friends of Stowe Library Stowe, VT | U | $1,000 | paid | EDUCATIONAL SUPPORT | 202542479349100329 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are the matcher's inference and should be read as leads until the check is published on the methodology page.
Derived from IRS Form 990-PF e-file XML. Dataset version 2026.09.0, built 2026-09-03. All years for this funder.
The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.
This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.