The Stewart & Constance Greenfield | Foundation Profile
GrantBay analyzes IRS Form 990-PF data to help grant seekers find fit funders like The Stewart & Constance Greenfield. Data shown is extracted from Form 990-PF filings.
EIN: 06-6301506
Foundation Overview
Based in Westport, CT, The Stewart & Constance Greenfield has awarded 465 grants totaling $2,535,250 to organizations in Connecticut, District of Columbia and 15 other states across the US. Individual grants range from $50 to $1,000,000, with a median award of $1,000.
Latest Tax Year
2023
Total Giving (all years)
$2,535,250
Total Assets
$1,245,071
Median Grant (all grants)
$1,000
Latest Form 990-PF Snapshot
Total Grants
1
Median Grant
$1,000,000
% Median Grant Growth
+99900%
(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
Limited Sample: 0%
1 total grant. Insufficient data for reliable pattern analysis. Foundation may be highly selective or recently established.
Geographic Focus
Connecticut
48% of grants are awarded in Connecticut, with additional funding distributed across 16 other locations. The foundation balances regional focus with broader geographic diversity. Within Connecticut, funding concentrates in Westport (32%), New Haven (21%), Bridgeport (13%).
Funding Trajectory
+388%
Strong 388% 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
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 Stewart & Constance Greenfield'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 |
|---|---|---|---|---|
| The Nature Conservancy | $1,000,000 | Arlington, VA, US | General Support | 2023 |
| A Better Chance Of Westport | $250 | Westport, CT, US | Support | 2022 |
| Aaas | $250 | Washington, DC, US | Support | 2022 |
| Achievement First | $1,000 | New Haven, CT, US | Support | 2022 |
| Aclu Foundation | $1,000 | New York, NY, US | Support | 2022 |
| American Society For Protection Of Nature In Israel | $1,000 | Great Neck, NY, US | Support | 2022 |
| Aspetuck Land Trust | $1,000 | Westport, CT, US | Support | 2022 |
| Brady Campaign To Prevent Gun Violence | $250 | Washington, DC, US | Support | 2022 |
| Brennan Center For Justice | $1,000 | New York, NY, US | Support | 2022 |
| Bridgeport Hospital Foundation | $20,000 | Bridgeport, CT, US | Support | 2022 |
| Candid | $50 | Milwaukee, WI, US | Support | 2022 |
| Charity Navigator | $100 | Saddle Brook, NJ, US | Support | 2022 |
| Child Mind Institute | $1,500 | New York, NY, US | Support | 2022 |
| Connect | $5,000 | Hamden, CT, US | Support | 2022 |
| Ct Audubon Society | $2,500 | Fairfield, CT, US | Support | 2022 |
| Ct Farmland Trust | $500 | Hartford, CT, US | Support | 2022 |
| Ct Foodshare | $2,500 | Wallingford, CT, US | Support | 2022 |
| Ct League Of Conservation Voters Education Fund | $1,000 | Hartford, CT, US | Support | 2022 |
| Ct News Project | $250 | Hartford, CT, US | Support | 2022 |
| Doctors Without Borders Usa | $2,500 | New York, NY, US | Support | 2022 |
| Earthplace | $2,500 | Westport, CT, US | Support | 2022 |
| Environment And Human Health | $500 | North Haven, CT, US | Support | 2022 |
| Environmental Defense Fund | $5,000 | Washington, DC, US | Support | 2022 |
| Federation For Jewish Philanthropy Of Upper Fairf | $250 | Bridgeport, CT, US | Support | 2022 |
| Habitat For Humanity Int'l | $1,000 | Americus, GA, US | Support | 2022 |
| Horizons National | $1,000 | Westport, CT, US | Support | 2022 |
| Int'l Festival Of Arts & Ideas | $100 | New Haven, CT, US | Support | 2022 |
| Jewish Senior Services | $500 | Bridgeport, CT, US | Support | 2022 |
| Kauffman Fellows | $20,000 | Austin, TX, US | Support | 2022 |
| Kipp Foundation | $2,000 | San Francisco, CA, US | Support | 2022 |
| Memorial Sloan-kettering Cancer Center | $1,500 | New York, NY, US | Support | 2022 |
| Mount Holyoke College | $10,000 | South Hadley, MA, US | Support | 2022 |
| Mount Sinai Medical Center | $1,000 | New York, NY, US | Support | 2022 |
| Music Theater Of Ct | $100 | Norwalk, CT, US | Support | 2022 |
| National Audobon Society | $2,500 | New York, NY, US | Support | 2022 |
| Nature Conservancy (National) | $25,000 | Arlington, VA, US | Support | 2022 |
| Nature Conservancy In Ct | $25,000 | Arlington, VA, US | Support | 2022 |
| Nrdc | $5,000 | New York, NY, US | Support | 2022 |
| Planned Parenthood Of Southern New England | $1,000 | New Haven, CT, US | Support | 2022 |
| Pulmonary Fibrosis Foundation | $1,000 | Chicago, IL, US | Support | 2022 |
| Santa Fe Institute | $10,000 | Santa Fe, NM, US | Support | 2022 |
| Save The Sound | $10,000 | New Haven, CT, US | Support | 2022 |
| School For Advanced Research | $250 | Santa Fe, NM, US | Support | 2022 |
| Soundview Empowerment Alliance Inc | $5,000 | Westport, CT, US | Support | 2022 |
| Staples Tuition Grants Committee | $250 | Westport, CT, US | Support | 2022 |
| Teach For America | $1,000 | New Haven, CT, US | Support | 2022 |
| Technoserve Inc | $1,000 | Arlington, VA, US | Support | 2022 |
| Temple Israel | $250 | Westport, CT, US | Support | 2022 |
| The Carter Center | $250 | Atlanta, GA, US | Support | 2022 |
| The Climate Realty Project | $1,000 | Washington, DC, US | Support | 2022 |
| The Thoreau Society | $100 | Concord, MA, US | Support | 2022 |
| Thirteen | $100 | New York, NY, US | Support | 2022 |
| Touchstones Discussion Project | $500 | Annapolis, MD, US | Support | 2022 |
| Ukraine Aid International | $5,000 | New York, NY, US | Support | 2022 |
| Union Of Concerned Scientists | $250 | Cambridge, MA, US | Support | 2022 |
| United Way Of Coastal Fairfield County | $1,000 | Bridgeport, CT, US | Support | 2022 |
| Westport Community Theatre | $100 | Westport, CT, US | Support | 2022 |
| Westport Country Playhouse | $100 | Westport, CT, US | Support | 2022 |
| Westport Volunteer Ems | $500 | Westport, CT, US | Support | 2022 |
| Westport Warm Up Fund | $250 | Westport, CT, US | Support | 2022 |
| Wholesome Wave Foundation | $5,000 | Bridgeport, CT, US | Support | 2022 |
| Wild Earth Guardians | $250 | Santa Fe, NM, US | Support | 2022 |
| Wildlife Conservation Society | $500 | Bronx, NY, US | Support | 2022 |
| Wshu Public Radio Group | $250 | Fairfield, CT, US | Support | 2022 |
| Yale New Haven Hospital Fund | $5,000 | New Haven, CT, US | Support | 2022 |
| A Better Chance Of Westport | $250 | Westport, CT, US | Support | 2022 |
| Aaas | $250 | Washington, DC, US | Support | 2022 |
| Achievement First | $1,000 | New Haven, CT, US | Support | 2022 |
| Aclu Foundation | $1,000 | New York, NY, US | Support | 2022 |
| American Society For Protection Of Nature In Israel | $1,000 | Great Neck, NY, US | Support | 2022 |
| Aspetuck Land Trust | $1,000 | Westport, CT, US | Support | 2022 |
| Brady Campaign To Prevent Gun Violence | $250 | Washington, DC, US | Support | 2022 |
| Brennan Center For Justice | $1,000 | New York, NY, US | Support | 2022 |
| Bridgeport Hospital Foundation | $20,000 | Bridgeport, CT, US | Support | 2022 |
| Candid | $50 | Milwaukee, WI, US | Support | 2022 |
| Charity Navigator | $100 | Saddle Brook, NJ, US | Support | 2022 |
| Child Mind Institute | $1,500 | New York, NY, US | Support | 2022 |
| Connect | $5,000 | Hamden, CT, US | Support | 2022 |
| Ct Audubon Society | $2,500 | Fairfield, CT, US | Support | 2022 |
| Ct Farmland Trust | $500 | Hartford, CT, US | Support | 2022 |
| Ct Foodshare | $2,500 | Wallingford, CT, US | Support | 2022 |
| Ct League Of Conservation Voters Education Fund | $1,000 | Hartford, CT, US | Support | 2022 |
| Ct News Project | $250 | Hartford, CT, US | Support | 2022 |
| Doctors Without Borders Usa | $2,500 | New York, NY, US | Support | 2022 |
| Earthplace | $2,500 | Westport, CT, US | Support | 2022 |
| Environment And Human Health | $500 | North Haven, CT, US | Support | 2022 |
| Environmental Defense Fund | $5,000 | Washington, DC, US | Support | 2022 |
| Federation For Jewish Philanthropy Of Upper Fairf | $250 | Bridgeport, CT, US | Support | 2022 |
| Habitat For Humanity Int'l | $1,000 | Americus, GA, US | Support | 2022 |
| Horizons National | $1,000 | Westport, CT, US | Support | 2022 |
| Int'l Festival Of Arts & Ideas | $100 | New Haven, CT, US | Support | 2022 |
| Jewish Senior Services | $500 | Bridgeport, CT, US | Support | 2022 |
| Kauffman Fellows | $20,000 | Austin, TX, US | Support | 2022 |
| Kipp Foundation | $2,000 | San Francisco, CA, US | Support | 2022 |
| Memorial Sloan-kettering Cancer Center | $1,500 | New York, NY, US | Support | 2022 |
| Mount Holyoke College | $10,000 | South Hadley, MA, US | Support | 2022 |
| Mount Sinai Medical Center | $1,000 | New York, NY, US | Support | 2022 |
| Music Theater Of Ct | $100 | Norwalk, CT, US | Support | 2022 |
| National Audobon Society | $2,500 | New York, NY, US | Support | 2022 |
| Nature Conservancy (National) | $25,000 | Arlington, VA, US | Support | 2022 |
| Nature Conservancy In Ct | $25,000 | Arlington, VA, US | Support | 2022 |
| Nrdc | $5,000 | New York, NY, US | Support | 2022 |
| Planned Parenthood Of Southern New England | $1,000 | New Haven, CT, US | Support | 2022 |
| Pulmonary Fibrosis Foundation | $1,000 | Chicago, IL, US | Support | 2022 |
| Santa Fe Institute | $10,000 | Santa Fe, NM, US | Support | 2022 |
| Save The Sound | $10,000 | New Haven, CT, US | Support | 2022 |
| School For Advanced Research | $250 | Santa Fe, NM, US | Support | 2022 |
| Soundview Empowerment Alliance Inc | $5,000 | Westport, CT, US | Support | 2022 |
| Staples Tuition Grants Committee | $250 | Westport, CT, US | Support | 2022 |
| Teach For America | $1,000 | New Haven, CT, US | Support | 2022 |
| Technoserve Inc | $1,000 | Arlington, VA, US | Support | 2022 |
| Temple Israel | $250 | Westport, CT, US | Support | 2022 |
| The Carter Center | $250 | Atlanta, GA, US | Support | 2022 |
| The Climate Realty Project | $1,000 | Washington, DC, US | Support | 2022 |
| The Thoreau Society | $100 | Concord, MA, US | Support | 2022 |
| Thirteen | $100 | New York, NY, US | Support | 2022 |
| Touchstones Discussion Project | $500 | Annapolis, MD, US | Support | 2022 |
| Ukraine Aid International | $5,000 | New York, NY, US | Support | 2022 |
| Union Of Concerned Scientists | $250 | Cambridge, MA, US | Support | 2022 |
| United Way Of Coastal Fairfield County | $1,000 | Bridgeport, CT, US | Support | 2022 |
| Westport Community Theatre | $100 | Westport, CT, US | Support | 2022 |
| Westport Country Playhouse | $100 | Westport, CT, US | Support | 2022 |
| Westport Volunteer Ems | $500 | Westport, CT, US | Support | 2022 |
| Westport Warm Up Fund | $250 | Westport, CT, US | Support | 2022 |
| Wholesome Wave Foundation | $5,000 | Bridgeport, CT, US | Support | 2022 |
| Wild Earth Guardians | $250 | Santa Fe, NM, US | Support | 2022 |
| Wildlife Conservation Society | $500 | Bronx, NY, US | Support | 2022 |
| Wshu Public Radio Group | $250 | Fairfield, CT, US | Support | 2022 |
| Yale New Haven Hospital Fund | $5,000 | New Haven, CT, US | Support | 2022 |
| #1 Main Street Gallery | $3,000 | Westport, CT, US | Support | 2021 |
| A Better Chance Of Westport | $250 | Westport, CT, US | Support | 2021 |
| Aaas | $250 | Washington, DC, US | Support | 2021 |
| Achievement First | $1,000 | New Haven, CT, US | Support | 2021 |
| Aclu Foundation | $250 | New York, NY, US | Support | 2021 |
| American Museum Of Natural History | $250 | New York, NY, US | Support | 2021 |
| American Society For Protection Of Nature In Israel | $1,000 | Great Neck, NY, US | Support | 2021 |
| Aspetuck Land Trust | $2,500 | Westport, CT, US | Support | 2021 |
| Brady Campaign To Prevent Gun Violence | $250 | Washington, DC, US | Support | 2021 |
| Brennan Center For Justice | $1,000 | New York, NY, US | Support | 2021 |
| Bridgeport Hospital Foundation | $5,000 | Bridgeport, CT, US | Support | 2021 |
| Candid | $50 | Milwaukee, WI, US | Support | 2021 |
| Charity Navigator | $100 | Saddle Brook, NJ, US | Support | 2021 |
| Child Mind Institute | $2,500 | New York, NY, US | Support | 2021 |
| Citizens Climate Education | $250 | Coronado, CA, US | Support | 2021 |
| Connect | $5,000 | Hamden, CT, US | Support | 2021 |
| Ct Audubon Society | $2,500 | Fairfield, CT, US | Support | 2021 |
| Ct Farmland Trust | $500 | Hartford, CT, US | Support | 2021 |
| Ct Food Bank | $2,500 | Wallingford, CT, US | Support | 2021 |
| Ct League Of Conservation Voters Education Fund | $1,000 | Hartford, CT, US | Support | 2021 |
| Ct News Project | $250 | Hartford, CT, US | Support | 2021 |
| Doctors Without Borders Usa | $5,000 | New York, NY, US | Support | 2021 |
| Earthplace | $2,500 | Westport, CT, US | Support | 2021 |
| Environment And Human Health | $500 | North Haven, CT, US | Support | 2021 |
| Environmental Defense Fund | $5,000 | Washington, DC, US | Support | 2021 |
| Federation For Jewish Philanthropy Of Upper Fairf | $250 | Bridgeport, CT, US | Support | 2021 |
| Fidelco Guide Dog Foundation Inc | $250 | Bloomfield, CT, US | Support | 2021 |
| Fwcsa | $1,000 | Westport, CT, US | Support | 2021 |
| Habitat For Humanity Int'l | $1,000 | Americus, GA, US | Support | 2021 |
| Horizons National | $1,000 | Westport, CT, US | Support | 2021 |
| Int'l Festival Of Arts & Ideas | $250 | New Haven, CT, US | Support | 2021 |
| Jewish Senior Services | $500 | Bridgeport, CT, US | Support | 2021 |
| Kipp Foundation | $2,000 | San Francisco, CA, US | Support | 2021 |
| Memorial Sloan-kettering Cancer Center | $2,500 | New York, NY, US | Support | 2021 |
| Mount Holyoke College | $10,000 | South Hadley, MA, US | Support | 2021 |
| Mount Sinai Medical Center | $1,000 | New York, NY, US | Support | 2021 |
| Music Theater Of Ct | $250 | Norwalk, CT, US | Support | 2021 |
| National Audobon Society | $2,500 | New York, NY, US | Support | 2021 |
| Nature Conservancy In Ct | $50,000 | Arlington, VA, US | Support | 2021 |
| Planned Parenthood Of Southern New England | $1,000 | New Haven, CT, US | Support | 2021 |
| Playwrights Horizons | $250 | New York, NY, US | Support | 2021 |
| Pulmonary Fibrosis Foundation | $1,000 | Chicago, IL, US | Support | 2021 |
| Santa Fe Institute | $10,000 | Santa Fe, NM, US | Support | 2021 |
| Save The Sound | $15,000 | New Haven, CT, US | Support | 2021 |
| School For Advanced Research | $250 | Santa Fe, NM, US | Support | 2021 |
| Staples Tuition Grants Committee | $250 | Westport, CT, US | Support | 2021 |
| Teach For America | $1,000 | New Haven, CT, US | Support | 2021 |
| Technoserve Inc | $1,000 | Arlington, VA, US | Support | 2021 |
| Temple Israel | $250 | Westport, CT, US | Support | 2021 |
| The Carter Center | $250 | Atlanta, GA, US | Support | 2021 |
| Thirteen | $250 | New York, NY, US | Support | 2021 |
| Touchstones Discussion Project | $1,000 | Annapolis, MD, US | Support | 2021 |
| Union Of Concerned Scientists | $250 | Cambridge, MA, US | Support | 2021 |
| United Way Of Coastal Fairfield County | $1,000 | Bridgeport, CT, US | Support | 2021 |
| Westport Community Theatre | $500 | Westport, CT, US | Support | 2021 |
| Westport Volunteer Ems | $500 | Westport, CT, US | Support | 2021 |
| Westport Warm Up Fund | $250 | Westport, CT, US | Support | 2021 |
| Wholesome Wave Foundation | $5,000 | Bridgeport, CT, US | Support | 2021 |
| Wild Earth Guardians | $250 | Santa Fe, NM, US | Support | 2021 |
| Wildlife Conservation Society | $500 | Bronx, NY, US | Support | 2021 |
| Wshu Public Radio Group | $250 | Fairfield, CT, US | Support | 2021 |
| Yale New Haven Hospital Fund | $5,000 | New Haven, CT, US | Support | 2021 |
| Yale University School Of Medicine | $50,000 | New Haven, CT, US | Support | 2021 |
| #1 Main Street Gallery | $5,000 | Westport, CT, US | Support | 2020 |
| A Better Chance Of Westport | $250 | Westport, CT, US | Support | 2020 |
| Achievement First | $1,000 | New Haven, CT, US | Support | 2020 |
| American Civil Liberties Union | $250 | New York, NY, US | Support | 2020 |
| American Museum Of Natural History | $250 | New York, NY, US | Support | 2020 |
| American Society For Protection Of Nature In Israel | $1,000 | Great Neck, NY, US | Support | 2020 |
| Aspetuck Land Trust | $1,000 | Westport, CT, US | Support | 2020 |
| Brady Campaign To Prevent Gun Violence | $250 | Washington, DC, US | Support | 2020 |
| Brennan Center For Justice | $1,000 | New York, NY, US | Support | 2020 |
| Bridgeport Hospital Foundation | $5,000 | Bridgeport, CT, US | Support | 2020 |
| Charity Navigator | $100 | Saddle Brook, NJ, US | Support | 2020 |
| Child Mind Institute | $2,500 | New York, NY, US | Support | 2020 |
| Conect | $5,000 | Hamden, CT, US | Support | 2020 |
| Ct Audubon Society | $2,500 | Fairfield, CT, US | Support | 2020 |
| Ct Farmland Trust | $500 | Hartford, CT, US | Support | 2020 |
| Ct Food Bank | $3,000 | Wallingford, CT, US | Support | 2020 |
| Ct League Of Conservation Voters Education Fund | $5,000 | Hartford, CT, US | Support | 2020 |
| Ct News Project | $500 | Hartford, CT, US | Support | 2020 |
| Doctors Without Borders Usa | $5,000 | New York, NY, US | Support | 2020 |
| Earthplace | $2,500 | Westport, CT, US | Support | 2020 |
| Environment And Human Health | $500 | North Haven, CT, US | Support | 2020 |
| Environmental Defense Fund | $5,000 | Washington, DC, US | Support | 2020 |
| Fidelco Guide Dog Foundation Inc | $250 | Bloomfield, CT, US | Support | 2020 |
| Friends Of The Westport Senior Center | $1,000 | Westport, CT, US | Support | 2020 |
| Habitat For Humanity Int'l | $1,000 | Americus, GA, US | Support | 2020 |
| Horizons National | $1,000 | Westport, CT, US | Support | 2020 |
| Int'l Festival Of Arts & Ideas | $250 | New Haven, CT, US | Support | 2020 |
| Jewish Senior Services | $500 | Bridgeport, CT, US | Support | 2020 |
| Kipp Foundation | $2,000 | San Francisco, CA, US | Support | 2020 |
| Memorial Sloan-kettering Cancer Center | $2,500 | New York, NY, US | Support | 2020 |
| Mount Holyoke College | $10,000 | South Hadley, MA, US | Support | 2020 |
| Mount Sinai Medical Center | $1,000 | New York, NY, US | Support | 2020 |
| Music Theater Of Ct | $250 | Norwalk, CT, US | Support | 2020 |
| National Audobon Society | $2,500 | New York, NY, US | Support | 2020 |
| Natural Resources Defense Council | $5,000 | New York, NY, US | Support | 2020 |
| Nature Conservancy In Ct | $50,000 | Arlington, VA, US | Support | 2020 |
| Planned Parenthood Of Southern New England | $1,000 | New Haven, CT, US | Support | 2020 |
| Playwrights Horizons | $250 | New York, NY, US | Support | 2020 |
| Pulmonary Fibrosis Foundation | $1,000 | Chicago, IL, US | Support | 2020 |
| Santa Fe Institute | $10,000 | Santa Fe, NM, US | Support | 2020 |
| Save The Sound (formerly Ct Fund For The Environment) | $10,000 | New Haven, CT, US | Support | 2020 |
| School For Advanced Research | $250 | Santa Fe, NM, US | Support | 2020 |
| Staples Tuition Grants Committee | $250 | Westport, CT, US | Support | 2020 |
| Teach For America | $1,000 | New Haven, CT, US | Support | 2020 |
| Technoserve Inc | $1,000 | Arlington, VA, US | Support | 2020 |
| Temple Israel | $250 | Westport, CT, US | Support | 2020 |
| The Thoreau Society | $1,000 | Concord, MA, US | Support | 2020 |
| Thirteen | $250 | New York, NY, US | Support | 2020 |
| Touchstones Discussion Project | $1,000 | Annapolis, MD, US | Support | 2020 |
| United Way Of Coastal Fairfield County | $250 | Bridgeport, CT, US | Support | 2020 |
| Westport Community Theatre | $250 | Westport, CT, US | Support | 2020 |
| Westport County Playhouse | $250 | Westport, CT, US | Support | 2020 |
| Westport Volunteer Ems | $500 | Westport, CT, US | Support | 2020 |
| Westport Warm Up Fund | $250 | Westport, CT, US | Support | 2020 |
| Wholesome Wave Foundation | $5,000 | Bridgeport, CT, US | Support | 2020 |
| Wild Earth Guardians | $250 | Santa Fe, NM, US | Support | 2020 |
| Wildlife Conservation Society | $500 | Bronx, NY, US | Support | 2020 |
| Wshu Public Radio Group | $250 | Fairfield, CT, US | Support | 2020 |
| Yale New Haven Hospital Fund | $5,000 | New Haven, CT, US | Support | 2020 |
| Yale University School Of Medicine | $40,000 | New Haven, CT, US | Support | 2020 |
| A Better Chance Of Westport | $250 | Westport, CT, US | Support | 2018 |
| Achievement First | $1,000 | New Haven, CT, US | Support | 2018 |
| American Civil Liberties Union | $1,000 | New York, NY, US | Support | 2018 |
| American Museum Of Natural History | $1,000 | New York, NY, US | Support | 2018 |
| American Society For Protection Of Nature In Israel | $1,000 | Great Neck, NY, US | Support | 2018 |
| Aspetuck Land Trust | $1,000 | Westport, CT, US | Support | 2018 |
| Barc Shelter | $250 | Brooklyn, NY, US | Support | 2018 |
| Brady Campaign To Prevent Gun Violence | $250 | Washington, DC, US | Support | 2018 |
| Brennan Center For Justice | $1,000 | New York, NY, US | Support | 2018 |
| Bridgeport Hospital Foundation | $10,000 | Bridgeport, CT, US | Support | 2018 |
| Child Mind Institute | $2,500 | New York, NY, US | Support | 2018 |
| Congregation Emanu-el Of The City Of Ny | $500 | New York, NY, US | Support | 2018 |
| Ct Audubon Society | $5,000 | Glastonbury, CT, US | Support | 2018 |
| Ct Farmland Trust | $1,000 | Hartford, CT, US | Support | 2018 |
| Ct Food Bank | $250 | Wallingford, CT, US | Support | 2018 |
| Ct Fund For The Environment | $10,000 | Rockfall, CT, US | Support | 2018 |
| Ct News Project | $2,500 | Hartford, CT, US | Support | 2018 |
| Ctlcv Education Fund | $10,000 | Hartford, CT, US | Support | 2018 |
| Doctors Without Borders Usa | $5,000 | Hagerstown, MD, US | Support | 2018 |
| Earthplace The Nature Discovery Center | $2,500 | Westport, CT, US | Support | 2018 |
| Education Through Music | $250 | New York, NY, US | Support | 2018 |
| Environment And Human Health | $1,000 | Bethesda, MD, US | Support | 2018 |
| Environmental Defense Fund | $5,000 | Washington, DC, US | Support | 2018 |
| Federation For Jewish Philantropy Of Upper Fairfield Countyusa | $5,000 | Bridgeport, CT, US | Support | 2018 |
| Fidelco Guide Dog Foundation Inc | $250 | Bloomfield, CT, US | Support | 2018 |
| Friends Of The Smithsonian | $500 | Washington, DC, US | Support | 2018 |
| Friends Of The Westport Senior Center | $1,000 | Westport, CT, US | Support | 2018 |
| Gorilla Fund | $250 | Atlanta, GA, US | Support | 2018 |
| Habitat For Humanity Int'l | $1,000 | Americus, GA, US | Support | 2018 |
| Horizons National | $2,500 | Memphis, TN, US | Support | 2018 |
| Int'l Festival Of Arts & Ideas | $1,000 | New Haven, CT, US | Support | 2018 |
| Jewish Senior Services | $500 | Bridgeport, CT, US | Support | 2018 |
| Kipp Academy New York | $2,000 | New York, NY, US | Support | 2018 |
| League Of Women Voters | $1,000 | Washington, DC, US | Support | 2018 |
| Lincoln Center For Performing Arts | $250 | New York, NY, US | Support | 2018 |
| Memorial Sloan-kettering Cancer Center | $1,000 | New York, NY, US | Support | 2018 |
| Metropolitan Opera | $500 | New York, NY, US | Support | 2018 |
| Mount Holyoke College | $10,000 | South Hadley, MA, US | Support | 2018 |
| Mount Sinai Medical Center | $1,000 | New York, NY, US | Support | 2018 |
| Music Theater Of Ct | $250 | Norwalk, CT, US | Support | 2018 |
| Naral Pro-choice Ct Foundation | $250 | New Haven, CT, US | Support | 2018 |
| National Audobon Society | $5,000 | New York, NY, US | Support | 2018 |
| National Multiple Sclerosis Society | $250 | New York, NY, US | Support | 2018 |
| Natural Resources Defense Council | $5,000 | New York, NY, US | Support | 2018 |
| Nature Conservancy | $50,000 | Arlington, VA, US | Support | 2018 |
| Neighborhood Studies Of Fairfield County | $250 | Bridgeport, CT, US | Support | 2018 |
| Pacific House | $1,000 | Stamford, CT, US | Support | 2018 |
| Pequot Library Association | $500 | Southport, CT, US | Support | 2018 |
| Planned Parenthood Of Southern New England | $500 | New Haven, CT, US | Support | 2018 |
| Playwrights Horizons | $2,500 | New York, NY, US | Support | 2018 |
| Positive Directions | $2,500 | Wichita, KS, US | Support | 2018 |
| Pulmonary Fibrosis Foundation | $1,000 | Chicago, IL, US | Support | 2018 |
| Refugees International | $250 | Westport, CT, US | Support | 2018 |
| Robin Hood Foundation | $2,500 | New York, NY, US | Support | 2018 |
| Santa Fe Institute | $10,000 | Santa Fe, NM, US | Support | 2018 |
| School Of Advanced Research | $1,000 | Santa Fe, NM, US | Support | 2018 |
| Staples Tuition Grants Committee | $1,000 | Westport, CT, US | Support | 2018 |
| Teach For America | $3,500 | New York, NY, US | Support | 2018 |
| Technoserve Inc | $1,000 | Norwalk, CT, US | Support | 2018 |
| The Carter Center | $750 | Atlanta, GA, US | Support | 2018 |
| The Fresh Air Fund | $500 | New York, NY, US | Support | 2018 |
| The Jewish Education Project | $1,000 | New York, NY, US | Support | 2018 |
| The Thoreau Society | $1,500 | Concord, MA, US | Support | 2018 |
| Thirteen Associates | $250 | Adelphi, MD, US | Support | 2018 |
| Touchstones | $1,000 | Stevensville, MD, US | Support | 2018 |
| Trudeau Institute | $250 | Saranac Lake, NY, US | Support | 2018 |
| Westport Community Theatre | $250 | Westport, CT, US | Support | 2018 |
| Westport County Playhouse | $1,000 | Westport, CT, US | Support | 2018 |
| Westport Historical Society Inc | $250 | Westport, CT, US | Support | 2018 |
| Westport Public Library Association | $15,000 | Westport, CT, US | Support | 2018 |
| Westport Volunteer Ems | $500 | Westport, CT, US | Support | 2018 |
| Westport Warm Up Fund | $250 | Westport, CT, US | Support | 2018 |
| Wholesome Wave Foundation | $10,000 | Bridgeport, CT, US | Support | 2018 |
| Wild Earth Guardians | $500 | Santa Fe, NM, US | Support | 2018 |
| Wildlife Conservation Society | $1,000 | Bronx, NY, US | Support | 2018 |
| Wnpr Ct Public Radio | $250 | Hartford, CT, US | Support | 2018 |
| Wshu Public Radio Group | $250 | Fairfield, CT, US | Support | 2018 |
| Yale New Haven Hospital Fund | $2,000 | New Haven, CT, US | Support | 2018 |
| Yale University | $40,000 | New Haven, CT, US | Support | 2018 |
| A Better Chance Of Westport | $250 | Westport, CT, US | Support | 2017 |
| Achievement First | $5,000 | New Haven, CT, US | Support | 2017 |
| African Mission Healthcare Foundation | $5,000 | Hicksville, NY, US | Support | 2017 |
| American Institute For Cancer Research | $500 | Atlanta, GA, US | Support | 2017 |
| American Museum Of Natural History | $1,000 | New York, NY, US | Support | 2017 |
| American Prairie Reserve | $1,000 | Bozeman, MT, US | Support | 2017 |
| American Society For Protection Of Nature In Israel | $1,000 | Great Neck, NY, US | Support | 2017 |
| Aspetuck Land Trust | $2,000 | Westport, CT, US | Support | 2017 |
| Barc Shelter | $250 | Brooklyn, NY, US | Support | 2017 |
| Bigelow Center For Senior Activities | $500 | Fairfield, CT, US | Support | 2017 |
| Brennan Center For Justice | $2,000 | New York, NY, US | Support | 2017 |
| Bridgeport Hospital Foundation | $5,000 | Bridgeport, CT, US | Support | 2017 |
| Builders Beyond Borders | $500 | Norwalk, CT, US | Support | 2017 |
| Child Mind Institute | $2,500 | New York, NY, US | Support | 2017 |
| Columbia University | $2,500 | New York, NY, US | Support | 2017 |
| Conect | $5,000 | New Haven, CT, US | Support | 2017 |
| Congregation Emanu-el Of The City Of Ny | $500 | New York, NY, US | Support | 2017 |
| Conn Can | $2,000 | New Haven, CT, US | Support | 2017 |
| Ct Farmland Trust | $2,500 | Hartford, CT, US | Support | 2017 |
| Ct Fund For The Environment | $5,000 | Rockfall, CT, US | Support | 2017 |
| Ct News Project | $5,000 | Hartford, CT, US | Support | 2017 |
| Ctlcv Education Fund | $10,000 | Hartford, CT, US | Support | 2017 |
| Doctors Without Borders Usa | $5,000 | Hagerstown, MD, US | Support | 2017 |
| Earthplace The Nature Discovery Center | $2,500 | Westport, CT, US | Support | 2017 |
| Environmental Defense Fund | $2,500 | Washington, DC, US | Support | 2017 |
| Federation For Jewish Philantropy Of Upper Fairfield Countyusa | $10,000 | Bridgeport, CT, US | Support | 2017 |
| Friends Of The Smithsonian | $250 | Washington, DC, US | Support | 2017 |
| Friends Of The Westport Senior Center | $750 | Westport, CT, US | Support | 2017 |
| Gorilla Fund | $250 | Atlanta, GA, US | Support | 2017 |
| Habitat For Humanity Int'l | $1,000 | Americus, GA, US | Support | 2017 |
| Health Corps | $2,500 | New York, NY, US | Support | 2017 |
| Horizons National | $2,500 | Memphis, TN, US | Support | 2017 |
| Int'l Festival Of Arts & Ideas | $1,000 | New Haven, CT, US | Support | 2017 |
| James E Lewis Museum Of Art | $2,000 | Baltimore, MD, US | Support | 2017 |
| Jewish Senior Services | $500 | Bridgeport, CT, US | Support | 2017 |
| Kipp Academy New York | $2,000 | New York, NY, US | Support | 2017 |
| League Of Women Voters | $1,250 | Washington, DC, US | Support | 2017 |
| Metropolitan Museum Of Art | $2,500 | New York, NY, US | Support | 2017 |
| Metropolitan Opera | $250 | New York, NY, US | Support | 2017 |
| Mount Holyoke College | $10,000 | South Hadley, MA, US | Support | 2017 |
| Mount Sinai Medical Center | $2,500 | New York, NY, US | Support | 2017 |
| Mouse Technology With Purpose | $10,000 | New York, NY, US | Support | 2017 |
| Music Theater Of Ct | $250 | Norwalk, CT, US | Support | 2017 |
| Naral Pro-choice Ct Foundation | $250 | New Haven, CT, US | Support | 2017 |
| National Audobon Society | $10,000 | New York, NY, US | Support | 2017 |
| Natural Resources Defense Council | $5,000 | New York, NY, US | Support | 2017 |
| Neighborhood Studies Of Fairfield County | $250 | Bridgeport, CT, US | Support | 2017 |
| Pacific House | $1,000 | Stamford, CT, US | Support | 2017 |
| Pequot Library Association | $500 | Southport, CT, US | Support | 2017 |
| Planned Parenthood Of Southern New England | $500 | New Haven, CT, US | Support | 2017 |
| Pulmonary Fibrosis Foundation | $1,000 | Chicago, IL, US | Support | 2017 |
| Refugees International | $250 | Westport, CT, US | Support | 2017 |
| Regina A Quick Center For The Arts | $250 | Fairfield, CT, US | Support | 2017 |
| Santa Fe Institute | $10,000 | Santa Fe, NM, US | Support | 2017 |
| School Of Advanced Research | $2,500 | Santa Fe, NM, US | Support | 2017 |
| Staples Tuition Grants Committee | $1,000 | Westport, CT, US | Support | 2017 |
| Teach For America | $5,000 | New York, NY, US | Support | 2017 |
| Technoserve Inc | $1,000 | Norwalk, CT, US | Support | 2017 |
| The Brady Center | $250 | Washington, DC, US | Support | 2017 |
| The Chaplin School | $1,250 | Chaplin, CT, US | Support | 2017 |
| The Climate Reality Project | $1,000 | Washington, DC, US | Support | 2017 |
| The Fresh Air Fund | $1,500 | New York, NY, US | Support | 2017 |
| The Fund For Yale New Haven | $1,000 | New Haven, CT, US | Support | 2017 |
| The Nature Conservancy Of Ct | $50,000 | Arlington, VA, US | Support | 2017 |
| The North Shore Land Alliance | $2,000 | Old Westbury, NY, US | Support | 2017 |
| The Thoreau Society | $1,000 | Concord, MA, US | Support | 2017 |
| Thirteen Associates | $250 | Adelphi, MD, US | Support | 2017 |
| Touchstones | $1,000 | Stevensville, MD, US | Support | 2017 |
| Trudeau Institute | $250 | Saranac Lake, NY, US | Support | 2017 |
| Unicef | $1,000 | New York, NY, US | Support | 2017 |
| Westport Community Theatre | $250 | Westport, CT, US | Support | 2017 |
| Westport Historical Society Inc | $250 | Westport, CT, US | Support | 2017 |
| Westport Volunteer Ems | $500 | Westport, CT, US | Support | 2017 |
| Westport Warm Up Fund | $250 | Westport, CT, US | Support | 2017 |
| Wholesome Wave Foundation | $10,000 | Bridgeport, CT, US | Support | 2017 |
| Wild Earth Guardians | $2,500 | Santa Fe, NM, US | Support | 2017 |
| Wildlife Conservation Society | $1,000 | Bronx, NY, US | Support | 2017 |
| Wnpr Ct Public Radio | $250 | Hartford, CT, US | Support | 2017 |
| Yale University | $40,000 | New Haven, CT, US | Support | 2017 |
| Achievement First | $5,000 | New Haven, CT, US | Support | 2016 |
| American Museum Of Natural History | $1,000 | New York, NY, US | Support | 2016 |
| American Society For Protection Of Nature In Israel | $1,000 | Great Neck, NY, US | Support | 2016 |
| Aspetuck Land Trust | $2,000 | Westport, CT, US | Support | 2016 |
| Barc Shelter | $250 | Brooklyn, NY, US | Support | 2016 |
| Brennan Center For Justice | $1,000 | New York, NY, US | Support | 2016 |
| Bridgeport Hospital Foundation | $5,000 | Bridgeport, CT, US | Support | 2016 |
| Builders Beyond Borders | $250 | Norwalk, CT, US | Support | 2016 |
| Conect | $5,000 | New Haven, CT, US | Support | 2016 |
| Ct Audubon Society | $1,000 | Glastonbury, CT, US | Support | 2016 |
| Ct Farmland Trust | $2,500 | Hartford, CT, US | Support | 2016 |
| Ct Fund For The Environment | $5,000 | New Haven, CT, US | Support | 2016 |
| Ct League Of Conservation Voters Education Fund | $5,000 | Hartford, CT, US | Support | 2016 |
| Ct News Project | $1,000 | Hartford, CT, US | Support | 2016 |
| Doctors Without Borders Usa | $5,000 | Hagerstown, MD, US | Support | 2016 |
| Earthplace The Nature Discovery Center | $2,500 | Westport, CT, US | Support | 2016 |
| Fidelco Guide Dog Foundation Inc | $1,000 | Bloomfield, CT, US | Support | 2016 |
| Friends Of The Smithsonian | $250 | Washington, DC, US | Support | 2016 |
| Health Corps | $2,500 | New York, NY, US | Support | 2016 |
| Horizons National | $5,000 | Memphis, TN, US | Support | 2016 |
| Int'l Festival Of Arts & Ideas | $1,000 | New Haven, CT, US | Support | 2016 |
| James E Lewis Museum Of Art | $1,000 | Baltimore, MD, US | Support | 2016 |
| Kipp Academy New York | $2,000 | New York, NY, US | Support | 2016 |
| Long Wharf Theatre | $2,500 | New Haven, CT, US | Support | 2016 |
| Metropolitan Museum Of Art | $2,500 | New York, NY, US | Support | 2016 |
| Mount Holyoke College | $11,000 | South Hadley, MA, US | Support | 2016 |
| Mount Sinai Medical Center | $2,500 | New York, NY, US | Support | 2016 |
| Naral Pro-choice Ct Foundation | $2,500 | New Haven, CT, US | Support | 2016 |
| National Audobon Society | $5,000 | New York, NY, US | Support | 2016 |
| National Multiple Sclerosis Society | $250 | New York, NY, US | Support | 2016 |
| Natural Resources Defense Council | $5,000 | New York, NY, US | Support | 2016 |
| New York Community Trust | $5,000 | New York, NY, US | Support | 2016 |
| Parkinson's Disease Foundation | $2,500 | Miami, FL, US | Support | 2016 |
| Pulmonary Fibrosis Foundation | $5,000 | Chicago, IL, US | Support | 2016 |
| Regina A Quick Center For The Arts | $250 | Fairfield, CT, US | Support | 2016 |
| Santa Fe Institute | $5,000 | Santa Fe, NM, US | Support | 2016 |
| School Of Advanced Research | $2,500 | Santa Fe, NM, US | Support | 2016 |
| Teach For America | $5,000 | New York, NY, US | Support | 2016 |
| Technoserve Inc | $1,000 | Norwalk, CT, US | Support | 2016 |
| The Chaplin School | $5,000 | Chaplin, CT, US | Support | 2016 |
| The Climate Reality Project | $1,000 | Washington, DC, US | Support | 2016 |
| The Fund For Yale New Haven | $5,000 | New Haven, CT, US | Support | 2016 |
| The Nature Conservancy Of Ct | $25,000 | Arlington, VA, US | Support | 2016 |
| The Stephen Gaynor School | $5,000 | New York, NY, US | Support | 2016 |
| The Thoreau Society | $250 | Concord, MA, US | Support | 2016 |
| Thirteen Associates | $250 | Adelphi, MD, US | Support | 2016 |
| Uja Federation | $5,000 | New York, NY, US | Support | 2016 |
| Westport Community Theatre | $250 | Westport, CT, US | Support | 2016 |
| Westport Historical Society Inc | $250 | Westport, CT, US | Support | 2016 |
| Westport Volunteer Ems | $1,250 | Westport, CT, US | Support | 2016 |
| Westport Warm Up Fund | $250 | Westport, CT, US | Support | 2016 |
| Wild Earth Guardians | $2,500 | Santa Fe, NM, US | Support | 2016 |
| Wildlife Conservation Society | $1,000 | Bronx, NY, US | Support | 2016 |
| Wnpr Ct Public Radio | $250 | Hartford, CT, US | Support | 2016 |
| Yale University | $40,000 | New Haven, CT, US | Support | 2016 |
Foundations Similar to The Stewart & Constance Greenfield
Discover 5 foundations with comparable assets ($17,482,000,476-$78,673,465,696), 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 |
|---|---|---|---|---|
|
Gates Foundation
EIN: 56-2618866 | 43529 grants awarded |
$78,673,465,696
(↑ Larger) |
$500,000
median grant |
Seattle, WA |
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|
Gates Foundation Trust
EIN: 91-1663695 | 7 grants awarded |
$77,564,446,975
(↑ Larger) |
$6,806,925,000
median grant |
Kirkland, WA |
|
|
Lilly Endowment Inc
EIN: 35-0868122 | 13997 grants awarded |
$62,192,685,769
(↑ Larger) |
$26,500
median grant |
Indianapolis, IN |
|
|
The Wellcome Trust
EIN: 98-6038021 |
$54,230,100,300
(↑ Larger) |
Not available
see full profile |
London, ENGLAND |
|
|
The Ford Foundation
EIN: 13-1684331 | 25502 grants awarded |
$17,482,000,476
(↑ Larger) |
$100,000
median grant |
New York, NY |
|
Related Foundation Resources in CT:
Contact Information
Official contact details for The Stewart & Constance Greenfield as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.
| EIN | 06-6301506 |
| Website | N/A |
| Address | 279 STURGES HIGHWAY Westport, CT 06880-0000 |
Key People (3)
Board members, trustees, and key staff who oversee The Stewart & Constance Greenfield's grant making decisions and strategic direction. Understanding leadership composition can provide insights into foundation priorities and potential networking opportunities.
| Trustee | Stewart H Greenfield |
|---|---|
| Trustee | Arthur Kirschenbaum |
| Trustee | Ed Glassmeyer |
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 Stewart & Constance Greenfield 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.