O'Donnell Family Charitable Trust

Enterprise Holdings Foundation

Saint Louis, MO

The Enterprise Holdings Foundation supports charitable and educational nonprofits in communities where Enterprise Mobility operates, focusing on health, education, arts, and disaster relief; applicants must be actively supported by an Enterprise Mobility team member, spouse, or domestic partner. Giving varies widely: it reported 9,499 grants in 2024, but its 2025 filing showed one grant of $101.4 million, so that amount is not a typical award. Applications are accepted at any time through eligible Enterprise-affiliated applicants; the Foundation does not limit giving to preselected organizations.

Karp Family Foundation Stephen R

Boston, MA

The Karp Family Foundation Stephen R. and supports charitable organizations in areas including education and human services, with most 2025 funding going to Massachusetts and New York. Its 2025 grants ranged from $100 to $500,000, with a median of $20,000; it funds only preselected organizations and does not accept unsolicited requests.

Amelia Peabody Charitable Fund Trust

Boston, MA

This fund supports Massachusetts nonprofits in medicine, social welfare, visual arts, historic preservation, and land conservation, but only for capital projects and purchases. In 2024, grants ranged from $15,000 to $4 million, with a median of $90,000. It invites applications from eligible organizations through its application process.

The William & LIA G Poorvu

Cambridge, MA

The William & Lia G Poorvu funds higher education, health, media, arts and culture, and community services, with most 2024 grant dollars going to organizations in Massachusetts, followed by Connecticut, Washington, DC, New York, and California. Its 2024 grants ranged from $2,500 to $2,505,000, with a median of $20,000. It supports only preselected organizations and does not accept unsolicited requests.

Lovett-Woodsum Foundation Inc

Boston, MA

The foundation supports a range of charitable organizations, including those in education and career development, the arts, animal welfare, family support, conservation, and ecology. Its 2024 grants had a median of $8,000 and ranged from $7 to $400,000; most funding went to Massachusetts, followed by New Hampshire. It gives only to preselected organizations and does not accept unsolicited requests.

Bristol-Myers Squibb Foundation Inc

Princeton, NJ

The Bristol-Myers Squibb Foundation supports health access and stronger health systems, with a focus on adult and pediatric cancers, blood disorders, brain health, and clinical-trial participation in the United States, Brazil, India, and ten Sub-Saharan African countries. In 2024, its median grant was about $134,000, though awards varied widely; it does not state whether it accepts unsolicited requests, and advises prospective applicants to contact the Foundation about its process.

Cambridge Savings Charitable

Cambridge, MA

Cambridge Savings Charitable funds affordable housing, shelters, transitional housing, food insecurity, and financial education for underserved residents in Middlesex, Suffolk, Essex, and Norfolk counties, Massachusetts. Its website lists grants up to $5,000 and sponsorships up to $2,500 per organization per year; 2025 grants ranged from $21 to $100,000, with a median of $4,000. It states that it contributes only to preselected charities and does not accept unsolicited requests.

Eastern Bank Foundation

Wakefield, MA

Eastern Bank Foundation supports economic inclusion and mobility, including small businesses, early childhood development, affordable housing, and workforce development. Its 2025 grants ranged from $50 to $2,002,500, with a median of $2,500, primarily in Massachusetts and also in New Hampshire and Rhode Island. It accepts online applications and does not limit giving to preselected organizations.

The Hamilton Company Charitable

Allston, MA

The Hamilton Company Charitable funds Massachusetts nonprofits working in medical and scientific research and services, youth activities, scholarships, homelessness assistance, capital projects, and animal care; it favors organizations serving areas where the company operates. Its 2024 grants ranged from $100 to $500,000, with a median of $10,000. Its 2024 filing says it funds only preselected organizations and does not accept unsolicited requests, although its website describes application options.

Boston Foundation Inc

Boston, MA

The Boston Foundation funds nonprofits and community initiatives focused on equity and opportunity, including child well-being, economic opportunity, community wealth, and community leadership, primarily in Greater Boston. Its 2025 grants had a median of $25,000, while specific programs offer amounts such as $50,000; whether it accepts unsolicited requests is not stated.

American Tower Corporation Foundation

Boston, MA