Halvorsen Family Foundation | Foundation Profile

GrantBay analyzes IRS Form 990-PF data to help grant seekers find fit funders like Halvorsen Family Foundation. Data shown is extracted from Form 990-PF filings.

EIN: 06-1603158

Foundation Overview

Based in Stamford, CT, Halvorsen Family Foundation has awarded 172 grants totaling $128,060,024 to organizations in Pennsylvania, New York and 7 other states, plus international recipients. Individual grants range from $1,000 to $20,000,000, with a median award of $30,000.

Latest Tax Year
2024
Total Giving (all years)
$128,060,024
Total Assets
$365,424,634
Median Grant (all grants)
$30,000

Latest Form 990-PF Snapshot

Total Grants
33
Median Grant
$20,000
% Median Grant Decline
-27% (vs previous year)
Data extracted from IRS Form 990-PF filings. Last filing year: May 2026

Foundation Intelligence

Advanced analytics and strategic insights to help nonprofit organizations assess grant opportunities and optimize their application strategies

New Applicant Friendliness
Relationship-Focused: 24%

8 of 33 recipients (24%) were new grantees. Foundation strongly favors organizations with proven track records. New partnerships develop slowly over time.

Geographic Focus
Connecticut

Grants are geographically diversified with 23% in Connecticut and funding distributed across 12 total locations. This foundation values broad geographic impact and diverse community partnerships. Within Connecticut, funding concentrates in Darien (59%), Fairfield (13%), Rowayton (13%).

Funding Trajectory
+7738%

Strong 7738% growth in annual giving over 7 years indicates expanding philanthropic capacity and increasing opportunities for grant seekers. This upward trajectory suggests growing foundation resources and commitment.

Program Areas
Community Projects + 4 others

Diversified giving across multiple program areas with primary emphasis on community projects (32%). This broad approach suggests openness to various causes and innovative cross-sector solutions.

Where is The Money Going?

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Grants & Funding

Analyzing past grantees provides valuable insights into Halvorsen Family Foundation's funding preferences, organizational priorities, and grant making patterns. This historical data helps potential applicants understand the foundation's strategic focus and identify successful funding approaches.

Name Amount Location Purpose Year
Aktiv Mot Kreft $9,806 Oslo, Foreign, NO Medical Support 2024
Catamount Trail Association $2,000 Burlington, VT, US Athletic Opportunities 2024
Darien Nature Center $5,000 Darien, CT, US Environmental Support 2024
Darien Police Association $20,000 Darien, CT, US Community Support 2024
New England Nordic Ski Association $50,000 New Gloucester, ME, US Athletic Opportunities 2024
Norwegian-america Association $26,464 Oslo, Foreign, NO General Support 2024
Stanford Medical Development $20,000,000 Redwood City, CA, US Educational Support 2024
Sterling And Francine Clark Art Institute $5,125,000 Williamstown, MA, US Artistic Initiatives 2024
Stowe Land Trust $10,000 Stowe, VT, US Environmental Support 2024
Stowe Swimmers Foundation $2,000 Stowe, VT, US Athletic Opportunities 2024
The Friends Of Stowe Library $1,000 Stowe, VT, US Educational Support 2024
The Hospital For Special Surgery Fund Inc $50,000 New York, NY, US Medical Support 2024
The Museum Of Modern Art $50,000 New York, NY, US Artistic Initiatives 2024
The Rockefeller University $275,000 New York, NY, US Educational Support 2024
Wildlife Conservation Society $350,000 Bronx, NY, US Wildlife Conservation 2024
Williams College $200,000 Williamstown, MA, US Educational Support 2024
National Audubon Society Connecticut $25,000 Fairfield, CT, US Environmental Support 2024
Autism Services & Resources Connecticut $1,000 Wallingford, CT, US Medical Support 2024
Darien Community Association $10,000 Darien, CT, US Community Support 2024
Darien Emergency Medical Services - Post 53 $10,000 Darien, CT, US Medical Support 2024
Darien Library Inc $10,000 Darien, CT, US Library Support 2024
Green Mountain Valley School $1,500,000 Waitsfield, VT, US Educational Support 2024
The Maritime Aquarium At Norwalk $15,000 Norwalk, CT, US Educational Support 2024
Memorial Sloan Kettering Cancer Center $5,000,000 West Harrison, NY, US Medical Support 2024
National Nordic Foundation $10,000 Saint Paul, MN, US Athletic Opportunities 2024
Stanford University $100,000 Stanford, CA, US Educational Support 2024
Stowe Rescue Squad Inc $10,000 Stowe, VT, US Medical Support 2024
Stowe Volunteer Firefighters Inc $15,000 Stowe, VT, US General Support 2024
Teach For America $10,000 New York, NY, US Educational Support 2024
Teachers College Columbia University $100,000 New York, NY, US Educational Support 2024
Us Ski & Snowboard $500,000 Park City, UT, US Athletic Opportunities 2024
Weill Cornell Medicine $1,000,000 New York, NY, US Medical Support 2024
Westport River Watershed Alliance $10,000 Westport, MA, US Environmental Initiatives 2024
Greens Ledge Light Preservation $25,000 Rowayton, CT, US Preservation Support 2023
Massachusetts Museum Of Contemporary Art Foundation Inc $25,000 North Adams, MA, US Artistic Initiatives 2023
Nensa $50,000 New Gloucester, ME, US Athletic Opportunities 2023
Noram $30,000 Oslo, Foreign, NO General Support 2023
Sterling And Francine Clark Art Institute $100,000 Williamstown, MA, US Artistic Initiatives 2023
The Hospital For Special Surgery Fund Inc $60,000 New York, NY, US Medical Support 2023
The Rockefeller University $50,000 New York, NY, US Educational Support 2023
Wildlife Conservation Society $100,000 Bronx, NY, US Wildlife Conservation 2023
Williams College $350,000 Williamstown, MA, US Educational Support 2023
Aktiv Mot Kreft $4,778 Oslo, Foreign, NO Medical Support 2023
Catamount Trail Association $2,000 Burlington, VT, US Athletic Opportunities 2023
Darien Nature Center $5,000 Darien, CT, US Environmental Support 2023
Darien Police Association $20,000 Darien, CT, US Community Support 2023
The Friends Of Stowe Library $1,000 Stowe, VT, US Educational Support 2023
The Museum Of Modern Art $50,000 New York, NY, US Artistic Initiatives 2023
Stanford Medical Development $20,000,000 Redwood City, CA, US Educational Support 2023
Stowe Land Trust $10,000 Stowe, VT, US Environmental Support 2023
Stowe Swimmers Foundation $2,000 Stowe, VT, US Athletic Opportunities 2023
Connecticut Audubon Society $25,000 Fairfield, CT, US Environmental Initiatives 2022
Darien Community Association $10,000 Darien, CT, US Community Initiatives 2022
Darien Ems Post 53 Inc $10,000 Darien, CT, US Medical Support 2022
Darien Library Inc $10,000 Darien, CT, US Library Support 2022
Green Mountain Valley School Inc $50,000 Waitsfield, VT, US Educational Support 2022
Greens Ledge Light Preservation $35,000 Rowayton, CT, US Preservation Support 2022
Massachusetts Museum Of Contemporary Art Foundation Inc $10,000 North Adams, MA, US Artistic Initiatives 2022
National Nordic Foundation $10,000 Saint Paul, MN, US Athletic Opportunities 2022
Nensa $10,000 New Gloucester, ME, US Athletic Opportunities 2022
Noram $60,000 Oslo, Foreign, NO General Support 2022
Sterling And Francine Clark Art Institute $5,450,000 Williamstown, MA, US Artistic Initiatives 2022
Stowe Rescue Squad Inc $10,000 Stowe, VT, US Medical Support 2022
Stowe Volunteer Firefighters Inc $15,000 Stowe, VT, US General Support 2022
Teachers College Columbia University $100,000 New York, NY, US Educational Support 2022
The Hospital For Special Surgery Fund Inc $100,000 New York, NY, US Medical Support 2022
The Maritime Aquarium At Norwalk Inc $30,000 South Norwalk, CT, US Educational Support 2022
The Rockefeller University $150,000 New York, NY, US Educational Support 2022
Westport River Watershed Alliance $10,000 Westport, MA, US Environmental Initiatives 2022
Wildlife Conservation Society $350,000 Bronx, NY, US Wildlife Conservation 2022
Williams College $550,000 Williamstown, MA, US Educational Support 2022
Memorial Sloan Kettering Cancer Center $5,250,000 West Harrison, NY, US Medical Support 2022
Trond Bolles Minnefond $100,000 Oslo, Foreign, NO General Support 2022
Us Ski & Snowboard $1,000,000 Park City, UT, US Athletic Opportunities 2022
Weill Cornell Medicine $1,250,000 New York, NY, US Medical Support 2022
Connecticut Audubon Society $25,000 Fairfield, CT, US Environmental Initiatives 2022
Darien Community Association $10,000 Darien, CT, US Community Initiatives 2022
Darien Ems Post 53 Inc $10,000 Darien, CT, US Medical Support 2022
Darien Library Inc $10,000 Darien, CT, US Library Support 2022
Green Mountain Valley School Inc $50,000 Waitsfield, VT, US Educational Support 2022
Greens Ledge Light Preservation $35,000 Rowayton, CT, US Preservation Support 2022
Massachusetts Museum Of Contemporary Art Foundation Inc $10,000 North Adams, MA, US Artistic Initiatives 2022
National Nordic Foundation $10,000 Saint Paul, MN, US Athletic Opportunities 2022
Nensa $10,000 New Gloucester, ME, US Athletic Opportunities 2022
Noram $60,000 Oslo, Foreign, NO General Support 2022
Sterling And Francine Clark Art Institute $5,450,000 Williamstown, MA, US Artistic Initiatives 2022
Stowe Rescue Squad Inc $10,000 Stowe, VT, US Medical Support 2022
Stowe Volunteer Firefighters Inc $15,000 Stowe, VT, US General Support 2022
Teachers College Columbia University $100,000 New York, NY, US Educational Support 2022
The Hospital For Special Surgery Fund Inc $100,000 New York, NY, US Medical Support 2022
The Maritime Aquarium At Norwalk Inc $30,000 South Norwalk, CT, US Educational Support 2022
The Rockefeller University $150,000 New York, NY, US Educational Support 2022
Westport River Watershed Alliance $10,000 Westport, MA, US Environmental Initiatives 2022
Wildlife Conservation Society $350,000 Bronx, NY, US Wildlife Conservation 2022
Williams College $550,000 Williamstown, MA, US Educational Support 2022
Memorial Sloan Kettering Cancer Center $5,250,000 West Harrison, NY, US Medical Support 2022
Trond Bolles Minnefond $100,000 Oslo, Foreign, NO General Support 2022
Us Ski & Snowboard $1,000,000 Park City, UT, US Athletic Opportunities 2022
Weill Cornell Medicine $1,250,000 New York, NY, US Medical Support 2022
Jp Morgan Charitable Fund $9,329,500 Jenkintown, PA, US General Support 2021
Wildlife Conservation Society $100,000 Bronx, NY, US Wildlife Conservation 2021
Williams College $200,000 Williamstown, MA, US Educational Support 2021
Connecticut Audubon Society $50,000 Fairfield, CT, US Environmental Initiatives 2021
Catamount Trail Association $2,000 Burlington, VT, US Environmental Initiatives 2021
Darien Community Association $25,000 Darien, CT, US Community Initiatives 2021
Darien Ems Post 53 Inc $25,000 Darien, CT, US Medical Support 2021
Darien Nature Center Inc $5,000 Darien, CT, US Environmental Initiatives 2021
Darien Police Association Inc $15,000 Darien, CT, US General Support 2021
Friends Of Fondation De France Inc $50,000 New York, NY, US General Support 2021
Friends Of Stowe Library $2,500 Stowe, VT, US Library Support 2021
Greens Ledge Light Preservation $25,000 Rowayton, CT, US Preservation Support 2021
Green Mountain Valley School Inc $55,000 Waitsfield, VT, US Educational Support 2021
The Hospital For Special Surgery Fund Inc $2,000,000 New York, NY, US Medical Support 2021
The Maritime Aquarium At Norwalk Inc $15,000 South Norwalk, CT, US Educational Support 2021
Massachusetts Museum Of Contemporary Art Foundation Inc $15,000 North Adams, MA, US Artistic Initiatives 2021
Move Against Cancer $7,676 Loughborough, N/A, UK Medical Support 2021
National Nordic Foundation $100,000 Saint Paul, MN, US Athletic Opportunities 2021
Noram $28,150 Oslo, N/A, NO General Support 2021
The Rockefeller University $600,000 New York, NY, US Educational Support 2021
Sterling And Francine Clark Art Institute $479,000 Williamstown, MA, US Artistic Initiatives 2021
Stowe Rescue Squad Inc $10,000 Stowe, VT, US Medical Support 2021
Stowe Swimmers Foundation Ltd $2,000 Burlington, VT, US Athletic Opportunities 2021
Stowe Volunteer Firefighters Inc $15,000 Stowe, VT, US General Support 2021
Teachers College Columbia University $100,000 New York, NY, US Educational Support 2021
Westport River Watershed Alliance $10,000 Westport, MA, US Environmental Initiatives 2021
Nensa $31,000 New Gloucester, ME, US Athletic Opportunities 2021
Darien Library Inc $10,000 Darien, CT, US Library Support 2021
Jp Morgan Charitable Fund $9,329,500 Jenkintown, PA, US General Support 2021
Wildlife Conservation Society $100,000 Bronx, NY, US Wildlife Conservation 2021
Williams College $200,000 Williamstown, MA, US Educational Support 2021
Connecticut Audubon Society $50,000 Fairfield, CT, US Environmental Initiatives 2021
Catamount Trail Association $2,000 Burlington, VT, US Environmental Initiatives 2021
Darien Community Association $25,000 Darien, CT, US Community Initiatives 2021
Darien Ems Post 53 Inc $25,000 Darien, CT, US Medical Support 2021
Darien Nature Center Inc $5,000 Darien, CT, US Environmental Initiatives 2021
Darien Police Association Inc $15,000 Darien, CT, US General Support 2021
Friends Of Fondation De France Inc $50,000 New York, NY, US General Support 2021
Friends Of Stowe Library $2,500 Stowe, VT, US Library Support 2021
Greens Ledge Light Preservation $25,000 Rowayton, CT, US Preservation Support 2021
Green Mountain Valley School Inc $55,000 Waitsfield, VT, US Educational Support 2021
The Hospital For Special Surgery Fund Inc $2,000,000 New York, NY, US Medical Support 2021
The Maritime Aquarium At Norwalk Inc $15,000 South Norwalk, CT, US Educational Support 2021
Massachusetts Museum Of Contemporary Art Foundation Inc $15,000 North Adams, MA, US Artistic Initiatives 2021
Move Against Cancer $7,676 Loughborough, Foreign, UK Medical Support 2021
National Nordic Foundation $100,000 Saint Paul, MN, US Athletic Opportunities 2021
Noram $28,150 Oslo, Foreign, NO General Support 2021
The Rockefeller University $600,000 New York, NY, US Educational Support 2021
Sterling And Francine Clark Art Institute $479,000 Williamstown, MA, US Artistic Initiatives 2021
Stowe Rescue Squad Inc $10,000 Stowe, VT, US Medical Support 2021
Stowe Swimmers Foundation Ltd $2,000 Burlington, VT, US Athletic Opportunities 2021
Stowe Volunteer Firefighters Inc $15,000 Stowe, VT, US General Support 2021
Teachers College Columbia University $100,000 New York, NY, US Educational Support 2021
Westport River Watershed Alliance $10,000 Westport, MA, US Environmental Initiatives 2021
Nensa $31,000 New Gloucester, ME, US Athletic Opportunities 2021
Darien Library Inc $10,000 Darien, CT, US Library Support 2021
Sterling And Francine Clark Institute $100,000 Williamstown, MA, US Artistic Initiatives 2020
Williams College $750,000 Williamstown, MA, US Educational Support 2020
Aktiv Mot Kreft (active Against Cancer) $6,000 Oslo, N/A, NO Medical Support 2020
Hospital For Special Surgery $3,000,000 New York, NY, US Medical Support 2020
Moma $100,000 Manhattan, NY, US Artistic Initiatives 2020
Nensa $5,000 New Gloucester, ME, US Athletic Opportunities 2020
Rockefeller University $200,000 New York, NY, US Educational Support 2020
Wildlife Conservation Society $100,000 Bronx, NY, US Wildlife Conservation 2020
Jp Morgan Charitable Fund $5,053,000 Jenkintown, PA, US General Support 2020
Williams College $3,711,565 Williamstown, MA, US Educational Support 2019
Sterling And Francine Clark Institute $2,120,000 Williamstown, MA, US Artistic Initiatives 2019
National Nordic Foundation $25,000 St Paul, MN, US Athletic Opportunities 2019
The Norway-america Association (noram) $105,923 Oslo, N/A, NO Educational Support 2019
Gunnar Sonstebys Minnefond $139,890 Oslo, N/A, NO General Support 2019
Shetlandgruppens Stiftelse $12,746 Kvartermesterboligen, BERGEN, NO General Support 2019
Stanford University - Gsb $1,000,000 Stanford, CA, US Educational Support 2019
Stanford University $440,200 Stanford, CA, US Educational Support 2017

Foundations Similar to Halvorsen Family Foundation

Discover 5 foundations with comparable assets ($165,513,070-$416,205,581), similar grant patterns, and geographic focus in CT that may also align with your organization's funding needs and grant seeking strategy.

Foundation Name Total Assets Typical Grant Size Service Area Similarity Match

EIN: 06-6484045 | 2479 grants awarded
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$35,000
median grant
New Canaan, CT
Same state
93%
Excellent match

EIN: 13-6015951 | 1151 grants awarded
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median grant
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Same state
79%
Good match

EIN: 82-0843080 | 24 grants awarded
$165,513,070
(↓ Smaller)
$31,008.5
median grant
Greens Farms, CT
Same state
75%
Good match

EIN: 75-2692023 | 929 grants awarded
$365,368,339
(≈ Similar)
$50,000
median grant
Abilene, TX
70%
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EIN: 42-1186589 | 871 grants awarded
$364,548,636
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Contact Information

Official contact details for Halvorsen Family Foundation as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.

EIN 06-1603158
Website N/A
Address VIKING 600 WASHINGTON BLVD 11TH F Stamford, CT 06901-0000

Key People (2)

Board members, trustees, and key staff who oversee Halvorsen Family Foundation's grant making decisions and strategic direction. Understanding leadership composition can provide insights into foundation priorities and potential networking opportunities.

Trustee Ole Andreas Halvorsen
Trustee Diane K Halvorsen

Forms 990-PF

IRS Form 990-PF filings provide comprehensive financial information, grant details, and operational data. These documents are essential resources for understanding foundation capacity, giving patterns, and strategic priorities.

Form 990-PF Research Tips
  • Review Part XV for detailed grant recipient information and funding purposes
  • Check Part I for total assets, annual giving amounts, and payout requirements
  • Examine Part VIII for key personnel compensation and board structure
  • Look for trends across multiple years to understand giving patterns

About This Foundation Profile

This comprehensive foundation profile for Halvorsen Family Foundation is powered by Grant Bay's advanced foundation research platform. Our system analyzes IRS Form 990-PF filings, grant histories, and philanthropic patterns to provide nonprofit organizations with actionable intelligence for grant seeking success.

Data Sources & Accuracy

All information is derived from official IRS filings and public records. Grant Bay processes thousands of Form 990-PF documents to extract grant details, financial data, and organizational information. Data accuracy depends on foundation reporting quality and IRS filing completeness.

Research Applications

Use this profile for prospect research, grant strategy development, application preparation, and relationship building. Combine this data with additional research on foundation priorities, application processes, and board member backgrounds for comprehensive grant seeking strategies.

Data Currency: Last updated May 2026 based on IRS Form 990-PF filings. Foundation information reflects most recent available tax year data.