The Silverstein Foundation for Parkinson's with GBA

Taub Foundation

Houston, TX

Freedom Together Foundation

New York, NY

The foundation funds work to strengthen multiracial democracy and build community and worker power, racial and gender justice, movement infrastructure, reproductive health, medical research, and community institutions. In 2024, its grants ranged from $5,000 to $14 million, with a median of $500,000; its largest shares went to organizations in Washington, DC, New York, California, Massachusetts, and Illinois. It funds only preselected organizations and does not accept unsolicited requests.

The Bill M and Cecile Autrey Ham

Austin, TX

The foundation funds a broad mix of causes, including children’s mental health, youth services, food access, animal welfare, conservation, and philanthropy, with most grants going to Texas organizations. Its 2025 grants ranged from $10,000 to $80,000, with a median of $20,000. It accepts written solicitations from 501(c)(3) organizations; no deadline is stated.

Act for NIH Foundation Inc

Washington, DC

ACT FOR NIH Foundation supports biomedical research, cancer research and advocacy, and health and public health education in the United States, with 2024 grants ranging from $1,000 to $50,000 and a median of $18,000. Its 2024 funding went to organizations in several states, especially Texas, Washington, DC, and New York. It funds only preselected charities and does not accept unsolicited requests.

Meyer and Ida Gordon Foundation

Houston, TX

Hamill Foundation

Houston, TX

The Hamill Foundation supports social services, education, health and medical research, animal welfare, children’s programs, and the arts, primarily in Texas. Its 2024 grants ranged from $5,000 to $1 million, with a median of $150,000. It funds only preselected organizations and does not accept unsolicited requests.

Major Family Foundation

Wilmington, DE

The foundation’s grants have supported university research, education, cancer care, vaccination advocacy, wildlife conservation, and community services, with most 2025 funding going to Texas and additional grants in Vermont, Florida, Illinois, Virginia, and Maryland. Its 19 grants in 2025 totaled $56,000, ranging from $1,000 to $25,000, with a median of $1,000. It accepts no unsolicited requests and gives only to preselected charitable organizations.

LAiglon Fund

Kingsville, TX

The LAiglon Fund supports 501(c)(3) public charities working in education, environmental conservation, and the creative arts, with no geographic restrictions. Grants usually range from $500 to $7,500, and the fund accepts letters of inquiry on a rolling basis.

Harris County Hospital District Foundation

Bellaire, TX

It funds Harris Health System and related patient-care and community health work, including children’s health, heart health, cancer resources, trauma outreach, and employee support, primarily in Harris County, Texas. In 2025, grants ranged from $10,000 to $2.63 million, with a median of $24,411; it has application processes for its Children’s Health Fund and small grants, but whether it accepts unsolicited requests is not stated.

Vivian L Smith Foundation

Houston, TX

The Vivian L Smith Foundation supports qualifying nonprofit organizations across charitable fields, including education, health care, youth services, and family support; it does not fund individuals. Its 2025 grants ranged from $1,000 to $100,000, with a median of $20,000, and nearly all grant dollars went to Texas, though it reports no geographic restrictions. It accepts requests without a required form; applicants must state the purpose and provide proof of qualifying status.

Trustees of Tufts College

Medford, MA

Trustees of Tufts College supports university instruction, research, student services, and related organizations; its 2025 grants had a median of $76,881, though many large awards were subcontract grants. Giving is concentrated in Massachusetts, and its Tufts Community Grants offer $5,000 for eligible nonprofit projects in Boston, Grafton, Medford, and Somerville; the profile does not state whether it accepts unsolicited requests.

Cystic Fibrosis Foundation

Bethesda, MD

The Cystic Fibrosis Foundation funds cystic fibrosis research, drug development, specialized care, and related community and patient-support programs, primarily through opportunities for academic and industry investigators. Its 2024 grants ranged from $2,800 to $12.9 million, with a median grant of about $150,000; the profile does not specify a geographic limit or whether it accepts unsolicited requests.