Funding search · EIN 061603158 · Stamford, CT

Halvorsen Family Foundation

Name: Halvorsen Family Foundation grants, 2021–2024
Creator: PaperOrbit
License: https://www.irs.gov/charities-non-profits/exempt-organization-public-disclosure-and-availability-requirements

A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.

103
grants reported: $83.3M
total given: 2021–2024
filing years: $25,000
median grant

Based on grants this organization reported to the IRS for tax years 2021–2024. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.

What they fund

educational medical athletic opportunities environmental artistic community

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Funding pattern

What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.

Top recipients

Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.

Stanford Medical Development2 grants · $40.0M
Sterling and Francine Clark Art Institute4 grants · $11.2M
Memorial Sloan Kettering Cancer Center2 grants · $10.3M
JP Morgan Charitable Fund1 grant · $9.3M
Weill Cornell Medicine2 grants · $2.3M
The Hospital for Special Surgery Fund4 grants · $2.2M
Green Mountain Valley School1 grant · $1.5M
US Ski & Snowboard2 grants · $1.5M
Williams College4 grants · $1.3M
The Rockefeller University4 grants · $1.1M

Giving over time

$13.3M

2021

$14.6M

2022

$20.9M

2023

$34.5M

2024

Grant history

The 100 largest of 103 grants.

$20.0M
Stanford Medical Development · Redwood City, CA · 2024
Educational support
$20.0M
Stanford Medical Development · Redwood City, CA · 2023
Educational support
$9.3M
JP Morgan Charitable Fund · Jenkintown, PA · 2021
General support
$5.5M
Sterling and Francine Clark Art Institute · Williamstown, MA · 2022
Artistic initiatives
$5.3M
Memorial Sloan Kettering Cancer Center · West Harrison, NY · 2022
Medical support
$5.1M
Sterling and Francine Clark Art Institute · Williamstown, MA · 2024
Artistic initiatives
$5.0M
Memorial Sloan Kettering Cancer Center · West Harrison, NY · 2024
Medical support
$2.0M
The Hospital for Special Surgery Fund · New York, NY · 2021
Medical support
$1.5M
Green Mountain Valley School · Waitsfield, VT · 2024
Educational support
$1.3M
Weill Cornell Medicine · New York, NY · 2022
Medical support
$1.0M
Weill Cornell Medicine · New York, NY · 2024
Medical support
$1.0M
US Ski & Snowboard · Park City, UT · 2022
Athletic opportunities
$600,000
The Rockefeller University · New York, NY · 2021
Educational support
$550,000
Williams College · Williamstown, MA · 2022
Educational support
$500,000
US Ski & Snowboard · Park City, UT · 2024
Athletic opportunities
$479,000
Sterling and Francine Clark Art Institute · Williamstown, MA · 2021
Artistic initiatives
$350,000
Wildlife Conservation Society · Bronx, NY · 2024
Wildlife conservation
$350,000
Williams College · Williamstown, MA · 2023
Educational support
$350,000
Wildlife Conservation Society · Bronx, NY · 2022
Wildlife conservation
$275,000
The Rockefeller University · New York, NY · 2024
Educational support
$200,000
Williams College · Williamstown, MA · 2024
Educational support
$200,000
Williams College · Williamstown, MA · 2021
Educational support
$150,000
The Rockefeller University · New York, NY · 2022
Educational support
$100,000
Stanford University · Stanford, CA · 2024
Educational support
$100,000
Teachers College Columbia University · New York, NY · 2024
Educational support
$100,000
Sterling and Francine Clark Art Institute · Williamstown, MA · 2023
Artistic initiatives
$100,000
Wildlife Conservation Society · Bronx, NY · 2023
Wildlife conservation
$100,000
Teachers College Columbia University · New York, NY · 2022
Educational support
$100,000
The Hospital for Special Surgery Fund · New York, NY · 2022
Medical support
$100,000
Trond Bolles Minnefond · 2022
General support
$100,000
National Nordic Foundation · Saint Paul, MN · 2021
Athletic opportunities
$100,000
Teachers College Columbia University · New York, NY · 2021
Educational support
$100,000
Wildlife Conservation Society · Bronx, NY · 2021
Wildlife conservation
$60,000
The Hospital for Special Surgery Fund · New York, NY · 2023
Medical support
$60,000
Noram · 2022
General support
$55,000
Green Mountain Valley School · Waitsfield, VT · 2021
Educational support
$50,000
New England Nordic Ski Association · New Gloucester, ME · 2024
Athletic opportunities
$50,000
The Hospital for Special Surgery Fund · New York, NY · 2024
Medical support
$50,000
The Museum of Modern Art · New York, NY · 2024
Artistic initiatives
$50,000
Nensa · New Gloucester, ME · 2023
Athletic opportunities
$50,000
The Museum of Modern Art · New York, NY · 2023
Artistic initiatives
$50,000
The Rockefeller University · New York, NY · 2023
Educational support
$50,000
Green Mountain Valley School · Waitsfield, VT · 2022
Educational support
$50,000
Connecticut Audubon Society · Fairfield, CT · 2021
Environmental initiatives
$50,000
Friends of Fondation De France · New York, NY · 2021
General support
$35,000
Greens Ledge Light Preservation · Rowayton, CT · 2022
Preservation support
$31,000
Nensa · New Gloucester, ME · 2021
Athletic opportunities
$30,000
Noram · 2023
General support
$30,000
The Maritime Aquarium at Norwalk · South Norwalk, CT · 2022
Educational support
$28,150
Noram · 2021
General support
$26,464
Norwegian-America Association · 2024
General support
$25,000
National Audubon Society Connecticut · Fairfield, CT · 2024
Environmental support
$25,000
Greens Ledge Light Preservation · Rowayton, CT · 2023
Preservation support
$25,000
Massachusetts Museum of Contemporary Art Foundation · North Adams, MA · 2023
Artistic initiatives
$25,000
Connecticut Audubon Society · Fairfield, CT · 2022
Environmental initiatives
$25,000
Darien Community Association · Darien, CT · 2021
Community initiatives
$25,000
Darien Ems Post 53 · Darien, CT · 2021
Medical support
$25,000
Greens Ledge Light Preservation · Rowayton, CT · 2021
Preservation support
$20,000
Darien Police Association · Darien, CT · 2024
Community support
$20,000
Darien Police Association · Darien, CT · 2023
Community support
$15,000
Stowe Volunteer Firefighters · Stowe, VT · 2024
General support
$15,000
The Maritime Aquarium at Norwalk · Norwalk, CT · 2024
Educational support
$15,000
Stowe Volunteer Firefighters · Stowe, VT · 2022
General support
$15,000
Darien Police Association · Darien, CT · 2021
General support
$15,000
Massachusetts Museum of Contemporary Art Foundation · North Adams, MA · 2021
Artistic initiatives
$15,000
Stowe Volunteer Firefighters · Stowe, VT · 2021
General support
$15,000
The Maritime Aquarium at Norwalk · South Norwalk, CT · 2021
Educational support
$10,000
Darien Community Association · Darien, CT · 2024
Community support
$10,000
Darien Emergency Medical Services - Post 53 · Darien, CT · 2024
Medical support
$10,000
Darien Library · Darien, CT · 2024
Library support
$10,000
National Nordic Foundation · Saint Paul, MN · 2024
Athletic opportunities
$10,000
Stowe Land Trust · Stowe, VT · 2024
Environmental support
$10,000
Stowe Rescue Squad · Stowe, VT · 2024
Medical support
$10,000
Teach for America · New York, NY · 2024
Educational support
$10,000
Westport River Watershed Alliance · Westport, MA · 2024
Environmental initiatives
$10,000
Stowe Land Trust · Stowe, VT · 2023
Environmental support
$10,000
Darien Community Association · Darien, CT · 2022
Community initiatives
$10,000
Darien Ems Post 53 · Darien, CT · 2022
Medical support
$10,000
Darien Library · Darien, CT · 2022
Library support
$10,000
Massachusetts Museum of Contemporary Art Foundation · North Adams, MA · 2022
Artistic initiatives
$10,000
National Nordic Foundation · Saint Paul, MN · 2022
Athletic opportunities
$10,000
Nensa · New Gloucester, ME · 2022
Athletic opportunities
$10,000
Stowe Rescue Squad · Stowe, VT · 2022
Medical support
$10,000
Westport River Watershed Alliance · Westport, MA · 2022
Environmental initiatives
$10,000
Darien Library · Darien, CT · 2021
Library support
$10,000
Stowe Rescue Squad · Stowe, VT · 2021
Medical support
$10,000
Westport River Watershed Alliance · Westport, MA · 2021
Environmental initiatives
$9,806
Aktiv Mot Kreft · 2024
Medical support
$7,676
Move Against Cancer · 2021
Medical support
$5,000
Darien Nature Center · Darien, CT · 2024
Environmental support
$5,000
Darien Nature Center · Darien, CT · 2023
Environmental support
$5,000
Darien Nature Center · Darien, CT · 2021
Environmental initiatives
$4,778
Aktiv Mot Kreft · 2023
Medical support
$2,500
Friends of Stowe Library · Stowe, VT · 2021
Library support
$2,000
Catamount Trail Association · Burlington, VT · 2024
Athletic opportunities
$2,000
Stowe Swimmers Foundation · Stowe, VT · 2024
Athletic opportunities
$2,000
Catamount Trail Association · Burlington, VT · 2023
Athletic opportunities
$2,000
Stowe Swimmers Foundation · Stowe, VT · 2023
Athletic opportunities
$2,000
Catamount Trail Association · Burlington, VT · 2021
Environmental initiatives
$2,000
Stowe Swimmers Foundation Ltd · Burlington, VT · 2021
Athletic opportunities

View all 103 grants →

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Source: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.