Data / Nonprofits / Massachusetts / Winthrop / Philanthropy, voluntarism and grantmaking foundations
Philanthropy, voluntarism and grantmaking foundations nonprofits in Winthrop, MA: 3 registered with the IRS
3 philanthropy, voluntarism and grantmaking foundations nonprofits are registered with the IRS in Winthrop, MA, 3 of them 501(c)(3) charities; the 2 that report revenue took in $23,504. The largest by revenue: Thomas W Bailey Hope Foundation Inc ($22,690), 11 Foundation - in Memory of Michael Mason Inc ($814).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Thomas W Bailey Hope Foundation Inc | 501(c)(3) | 2023 | $22,690 | $42,318 | 2024-12 |
| 11 Foundation - in Memory of Michael Mason Inc | 501(c)(3) | 2013 | $814 | $34,679 | 2024-12 |
| Survivors By the Sea Inc | 501(c)(3) | 2011 | $0 | $0 | 2025-08 |
Other causes in Winthrop, MA
- Recreation and sports 17
- Education 7
- Human services 6
- Arts, culture and humanities 5
- Community improvement and capacity building 3
- Animal-related 3
- Diseases, disorders and medical disciplines 3
- Youth development 3
Every nonprofit in Winthrop, MA · Philanthropy, voluntarism and grantmaking foundations nonprofits across the state · Nonprofits in every city of the state
Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.