Based on their 2024 IRS Form 990-PF filing (EIN 471289795) — historical reported giving, not an open application portal.
Compiled from public IRS Form 990-PF Part XV filings. UseGrants is an independent aggregator, not affiliated with this foundation.
In its 2024 IRS Form 990-PF filing, Onion Foundation reported 245 grants totaling $4,380,610 to 245 organizations across 7 states and territories, most often for general operating support. Its largest reported grant was $625,000 to Momentum Conservation.
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Read the filing itself: Onion Foundation Form 990 filings on ProPublica Nonprofit Explorer or look the organization up in the IRS Tax Exempt Organization Search.
| Recipient | Location | Total |
|---|---|---|
| Momentum Conservation | Portland, ME | $625,000 |
| Maine Association of Nonprofits | Portland, ME | $88,000 |
| Maine Environmental Education Association | Brunswick, ME | $75,000 |
| New Learning Journey | Fayston, VT | $75,000 |
| Maine Mathematics and Science Alliance | Augusta, ME | $71,000 |
| Mayo Street Arts | Portland, ME | $57,500 |
| Maine Audubon | Falmouth, ME | $52,500 |
| Maine Initiatives | Portland, ME | $50,000 |
| SPACE Gallery | Portland, ME | $42,500 |
| Maine Lakes | Yarmouth, ME | $41,000 |
| Maine GearShare | Brunswick, ME | $40,000 |
| President And Trustees Of Bates College | Lewiston, ME | $40,000 |
| Wabanaki Public Health and Wellness | Bangor, ME | $40,000 |
| OUT Maine | Rockland, ME | $35,000 |
| Appalachian Mountain Club | Boston, MA | $30,000 |
| Climate Change for All Educators Inc | Valley Cottage, NY | $30,000 |
| Maine Coast Heritage Trust | Topsham, ME | $30,000 |
| New England Grassroots Environment Fund Inc | Newmarket, NH | $30,000 |
| Rippleffect | Portland, ME | $30,000 |
| The Climate Initiative | Kennebunkport, ME | $30,000 |
| Wild Seed Project | North Yarmouth, ME | $30,000 |
| Lake Stewards of Maine | Auburn, ME | $27,000 |
| Northeastern University | Boston, MA | $27,000 |
| University of Maine Foundation | Orono, ME | $25,700 |
| Chewonki Foundation Inc | Wiscasset, ME | $25,000 |
| Friends of Katahdin Woods and Waters | Portland, ME | $25,000 |
| Gateway Community Services Maine | Portland, ME | $25,000 |
| Kennebec Estuary Land Trust | Bath, ME | $25,000 |
| Lakes Environmental Association | Bridgton, ME | $25,000 |
| Maine Community Integration | Lewiston, ME | $25,000 |
| Maine Public | Lewiston, ME | $25,000 |
| Natural Resources Council of Maine (NRCM) | Augusta, ME | $25,000 |
| Quebec-Labrador Foundation | Farmington, ME | $25,000 |
| Schoodic Institute at Acadia National Park | Winter Harbor, ME | $25,000 |
| Sierra Club Foundation | Oakland, CA | $25,000 |
| The Ecology School | Saco, ME | $25,000 |
| Tree Street Youth | Lewiston, ME | $25,000 |
| Cobscook Institute | Trescott Township, ME | $23,000 |
| Khmer Maine | Portland, ME | $22,500 |
| The Allagash Wilderness Waterway Foundation | Casco, ME | $22,000 |
| 317 Main Community Music Center | Yarmouth, ME | $20,000 |
| Abbe Museum | Bar Harbor, ME | $20,000 |
| Bay Chamber Concerts & Music School | Camden, ME | $20,000 |
| Bicycle Coalition of Maine | Portland, ME | $20,000 |
| Boothbay Sea and Science Center | East Boothbay, ME | $20,000 |
| Brunswick-Topsham Land Trust Inc | Brunswick, ME | $20,000 |
| Camp Beech Cliff | Mt Desert, ME | $20,000 |
| Camp Susan Curtis | Portland, ME | $20,000 |
| Center for an Ecology Based Economy | Norway, ME | $20,000 |
| Chocolate Church Arts Center | Bath, ME | $20,000 |
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Source: this foundation’s own public IRS Form 990-PF for tax year 2024 — Part XV (grants paid). Figures are as reported by the foundation for a single filing year and reflect historical giving, not a current application opportunity. UseGrants is an independent aggregator, not affiliated with this foundation. Always confirm details with the funder before applying.
