The Thorne Cox Family Foundation | Foundation Profile

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

EIN: 46-4274950

Foundation Overview

Based in Boston, MA, The Thorne Cox Family Foundation has awarded 118 grants totaling $4,225,942 to organizations in Rhode Island, Maine and 12 other states across the US. Individual grants range from $1,000 to $250,000, with a median award of $15,000.

Latest Tax Year
2023
Total Giving (all years)
$4,225,942
Total Assets
$3,992,700
Median Grant (all grants)
$15,000

Latest Form 990-PF Snapshot

Total Grants
21
Median Grant
$10,000
% Median Grant Decline
-33% (vs previous year)
Data extracted from IRS Form 990-PF filings. Last filing year: February 2026

Foundation Intelligence

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

New Applicant Friendliness
Balanced Approach: 38%

8 of 21 recipients (38%) were new grantees. Foundation maintains loyal partnerships while remaining open to qualified new applicants with strong proposals.

Geographic Focus
Maine

Grants are geographically diversified with 35% in Maine and funding distributed across 14 total locations. This foundation values broad geographic impact and diverse community partnerships. Within Maine, funding concentrates in Camden (29%), Rockland (27%), Topsham (12%).

Funding Trajectory
+69%

Strong 69% growth in annual giving over 3 years indicates expanding philanthropic capacity and increasing opportunities for grant seekers. This upward trajectory suggests growing foundation resources and commitment.

Program Areas
Community Projects

Highly focused on community projects with 100% of funding dedicated to this sector. This specialization indicates deep expertise and committed investment in the field.

Where is The Money Going?

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Grants & Funding

Analyzing past grantees provides valuable insights into The Thorne Cox 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
Maine Coast Heritage Trust $100,000 Topsham, ME, US Operations Budget Assistance 2023
American Repertory Theatre Co Inc $10,000 Cambridge, MA, US Operations Budget Assistance 2023
Avenue Concept Inc $100,000 Providence, RI, US Operations Budget Assistance 2023
Bay Chamber Concerts Inc $107,500 Rockport, ME, US Operations Budget Assistance 2023
Bay Shore Center $1,500 Port Norris, NJ, US Operations Budget Assistance 2023
Coastal Mountains Land Trust $5,000 Camden, ME, US Operations Budget Assistance 2023
Conanicut Island Sailing Foundation $1,500 Jamestown, RI, US Operations Budget Assistance 2023
The William A Farnsworth Library And Art Museum Inc $5,000 Rockland, ME, US Operations Budget Assistance 2023
Freshgrass Public Foundation $5,000 San Francisco, CA, US Operations Budget Assistance 2023
Friends Of Katahdin Woods And Water $125,000 Portland, ME, US Operations Budget Assistance 2023
Issue One $10,000 Washington, DC, US Operations Budget Assistance 2023
Knox County Homeless Coalition $5,000 Rockland, ME, US Operations Budget Assistance 2023
Lifeflight Foundation $5,000 Camden, ME, US Operations Budget Assistance 2023
Milton Academy $25,000 Milton, MA, US Operations Budget Assistance 2023
Providence Public Library $1,500 Providence, RI, US Operations Budget Assistance 2023
Rockport Library Foundation $20,000 Rockport, ME, US Operations Budget Assistance 2023
Trustees Of Dartmouth College $100,000 Hanover, NH, US Operations Budget Assistance 2023
United States Ski And Snowboard Association $45,000 Boston, MA, US Operations Budget Assistance 2023
United States Ski Team Foundation $45,000 Park City, UT, US Operations Budget Assistance 2023
Yale School Of Architecture $5,000 New Haven, CT, US Operations Budget Assistance 2023
Ymca Of The Usa $5,000 Chicago, IL, US Operations Budget Assistance 2023
The Avenue Concept Inc $100,000 Providence, RI, US Operations Budget Assistance 2022
Coastal Mountains Land Trust $5,000 Camden, ME, US Operations Budget Assistance 2022
Council For Economic Education $20,000 New York, NY, US Operations Budget Assistance 2022
Issue One $15,000 Washington, DC, US Operations Budget Assistance 2022
Knox County Homeless Coalition $10,000 Rockland, ME, US Operations Budget Assistance 2022
Lifeflight Foundation $5,000 Camden, ME, US Operations Budget Assistance 2022
Maine Coast Heritage Trust $100,000 Topsham, ME, US Operations Budget Assistance 2022
Maine Public Broadcasting Corporation $250,000 Lewiston, ME, US Operations Budget Assistance 2022
Milton Academy $25,000 Milton, MA, US Operations Budget Assistance 2022
United States Ski Team Foundation $45,000 Park City, UT, US Operations Budget Assistance 2022
The William A Farnsworth Library And Art Museum Inc $5,000 Rockland, ME, US Operations Budget Assistance 2022
American Repertory Theatre Co Inc $10,000 Cambridge, MA, US Operations Budget Assistance 2022
Amos House $10,000 Providence, RI, US Operations Budget Assistance 2022
Bascom Palmer Eye Institute $10,000 Miami, FL, US Operations Budget Assistance 2022
Friends Of Katahdin Woods And Water $125,000 Portland, ME, US Operations Budget Assistance 2022
Haus Of Codec $2,500 Providence, RI, US Operations Budget Assistance 2022
Pvd World Music Institute Inc $2,500 Providence, RI, US Operations Budget Assistance 2022
Refugepoint $100,000 Boston, MA, US Operations Budget Assistance 2022
Land Conservancy Of North Kingstown $20,000 North Kingstown, RI, US Operations Budget Assistance 2022
Trustees Of Dartmouth College $50,000 Hanover, NH, US Operations Budget Assistance 2022
Wickford Sailing Association Inc $5,000 North Kingstown, RI, US Operations Budget Assistance 2022
The Avenue Concept Inc $100,000 Providence, RI, US Operations Budget Assistance 2022
Coastal Mountains Land Trust $5,000 Camden, ME, US Operations Budget Assistance 2022
Council For Economic Education $20,000 New York, NY, US Operations Budget Assistance 2022
Issue One $15,000 Washington, DC, US Operations Budget Assistance 2022
Knox County Homeless Coalition $10,000 Rockland, ME, US Operations Budget Assistance 2022
Lifeflight Foundation $5,000 Camden, ME, US Operations Budget Assistance 2022
Maine Coast Heritage Trust $100,000 Topsham, ME, US Operations Budget Assistance 2022
Maine Public Broadcasting Corporation $250,000 Lewiston, ME, US Operations Budget Assistance 2022
Milton Academy $25,000 Milton, MA, US Operations Budget Assistance 2022
United States Ski Team Foundation $45,000 Park City, UT, US Operations Budget Assistance 2022
The William A Farnsworth Library And Art Museum Inc $5,000 Rockland, ME, US Operations Budget Assistance 2022
American Repertory Theatre Co Inc $10,000 Cambridge, MA, US Operations Budget Assistance 2022
Amos House $10,000 Providence, RI, US Operations Budget Assistance 2022
Bascom Palmer Eye Institute $10,000 Miami, FL, US Operations Budget Assistance 2022
Friends Of Katahdin Woods And Water $125,000 Portland, ME, US Operations Budget Assistance 2022
Haus Of Codec $2,500 Providence, RI, US Operations Budget Assistance 2022
Pvd World Music Institute Inc $2,500 Providence, RI, US Operations Budget Assistance 2022
Refugepoint $100,000 Boston, MA, US Operations Budget Assistance 2022
Land Conservancy Of North Kingstown $20,000 North Kingstown, RI, US Operations Budget Assistance 2022
Trustees Of Dartmouth College $50,000 Hanover, NH, US Operations Budget Assistance 2022
Wickford Sailing Association Inc $5,000 North Kingstown, RI, US Operations Budget Assistance 2022
The Avenue Concept Inc $100,000 Providence, RI, US Operations Budget Assistance 2022
Coastal Mountains Land Trust $5,000 Camden, ME, US Operations Budget Assistance 2022
Council For Economic Education $20,000 New York, NY, US Operations Budget Assistance 2022
Issue One $15,000 Washington, DC, US Operations Budget Assistance 2022
Knox County Homeless Coalition $10,000 Rockland, ME, US Operations Budget Assistance 2022
Lifeflight Foundation $5,000 Camden, ME, US Operations Budget Assistance 2022
Maine Coast Heritage Trust $100,000 Topsham, ME, US Operations Budget Assistance 2022
Maine Public Broadcasting Corporation $250,000 Lewiston, ME, US Operations Budget Assistance 2022
Milton Academy $25,000 Milton, MA, US Operations Budget Assistance 2022
United States Ski Team Foundation $45,000 Park City, UT, US Operations Budget Assistance 2022
The William A Farnsworth Library And Art Museum Inc $5,000 Rockland, ME, US Operations Budget Assistance 2022
American Repertory Theatre Co Inc $10,000 Cambridge, MA, US Operations Budget Assistance 2022
Amos House $10,000 Providence, RI, US Operations Budget Assistance 2022
Bascom Palmer Eye Institute $10,000 Miami, FL, US Operations Budget Assistance 2022
Friends Of Katahdin Woods And Water $125,000 Portland, ME, US Operations Budget Assistance 2022
Haus Of Codec $2,500 Providence, RI, US Operations Budget Assistance 2022
Pvd World Music Institute Inc $2,500 Providence, RI, US Operations Budget Assistance 2022
Refugepoint $100,000 Boston, MA, US Operations Budget Assistance 2022
Land Conservancy Of North Kingstown $20,000 North Kingstown, RI, US Operations Budget Assistance 2022
Trustees Of Dartmouth College $50,000 Hanover, NH, US Operations Budget Assistance 2022
Wickford Sailing Association Inc $5,000 North Kingstown, RI, US Operations Budget Assistance 2022
The Avenue Concept Inc $80,000 Providence, RI, US Operations Budget Assistance 2021
Coastal Mountains Land Trust $25,000 Camden, ME, US Operations Budget Assistance 2021
Council For Economic Education $20,000 New York, NY, US Operations Budget Assistance 2021
Decordova And Dana Museum $5,000 Lincoln, MA, US Operations Budget Assistance 2021
Issue One $15,000 Washington, DC, US Operations Budget Assistance 2021
Knox County Homeless Coalition $10,000 Rockland, ME, US Operations Budget Assistance 2021
Lifeflight Foundation $5,000 Camden, ME, US Operations Budget Assistance 2021
Living Observatory Inc $1,000 Boston, MA, US Operations Budget Assistance 2021
Maine Coast Heritage Trust $5,300 Topsham, ME, US Operations Budget Assistance 2021
Maine Public Broadcasting Corporation $15,000 Lewiston, ME, US Operations Budget Assistance 2021
Massachusetts Bay Community College Foundation Inc $15,000 Wellesley Hills, MA, US Operations Budget Assistance 2021
Milton Academy $25,000 Milton, MA, US Operations Budget Assistance 2021
Presidents And Fellows Of Harvard College $15,000 Cambridge, MA, US Operations Budget Assistance 2021
Rockport Library Foundation $28,228 Rockport, ME, US Operations Budget Assistance 2021
United States Ski Team Foundation $20,000 Park City, UT, US Operations Budget Assistance 2021
Vital Voices Global Partnership Inc $25,000 Washington, DC, US Operations Budget Assistance 2021
What Cheer Art Company $10,000 Providence, RI, US Operations Budget Assistance 2021
The William A Farnsworth Library And Art Museum Inc $5,000 Rockland, ME, US Operations Budget Assistance 2021
Avenue Concept Inc $80,000 Providence, RI, US Operations Budget Assistance 2020
Coastal Maine Land Trust $50,000 Camden, ME, US Operations Budget Assistance 2020
Council For Economic Education $40,000 New York, NY, US Operations Budget Assistance 2020
Community Foundation Boulder County $2,500 Boulder, CO, US Operations Budget Assistance 2020
Farnsworth Art Museum $10,000 Rockland, ME, US Operations Budget Assistance 2020
Issue One $15,000 Washington, DC, US Operations Budget Assistance 2020
Lifeflight Foundation $1,000 Camden, ME, US Operations Budget Assistance 2020
Living Observatory Inc $1,000 Plymouth, MA, US Operations Budget Assistance 2020
Maine Public Broadcasting Corp $10,000 Bangor, ME, US Operations Budget Assistance 2020
Milton Academy $25,000 Milton, MA, US Operations Budget Assistance 2020
New Venture Fund $20,000 Washington, DC, US Operations Budget Assistance 2020
Rockport Library Foundation $129,914 Rockport, ME, US Operations Budget Assistance 2020
The Land Conservancy Of North Washington $10,000 Arlington, VA, US Operations Budget Assistance 2020
The Trustees Of Reservations $5,000 Boston, MA, US Operations Budget Assistance 2020
Us Ski Team Foundation $20,000 Park City, UT, US Operations Budget Assistance 2020
What Cheer Art Company $10,000 Providence, RI, US Operations Budget Assistance 2020

Foundations Similar to The Thorne Cox Family Foundation

Discover 5 foundations with comparable assets ($3,950,003-$4,042,741), similar grant patterns, and geographic focus in MA 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: 46-5005885 | 178 grants awarded
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$10,000
median grant
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Same state
100%
Excellent match

EIN: 31-6653452 | 111 grants awarded
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$25,000
median grant
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EIN: 47-3784324 | 163 grants awarded
$3,950,003
(≈ Similar)
$10,000
median grant
Amesbury, MA
Same state
99%
Excellent match

EIN: 26-2414940 | 97 grants awarded
$4,038,933
(≈ Similar)
$10,000
median grant
Lenox, MA
Same state
99%
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EIN: 04-6077889 | 42 grants awarded
$4,042,741
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Contact Information

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

EIN 46-4274950
Website N/A
Address 100 HIGH STREET 27TH FLOOR Boston, MA 02110-0000

Key People (4)

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

President Brinkley Thorne
Vice President Mazie L Cox
Secretary Yarrow Thorne
Treasurer Dune Thorne

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 The Thorne Cox 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 February 2026 based on IRS Form 990-PF filings. Foundation information reflects most recent available tax year data.