| Bank of America Charitable Gift FundBoston | Form 990 | $1,664,401,095FY2024 |
| The Us Charitable Gift TrustBoston | Form 990 | $430,857,316FY2024 |
| Boston Foundation IncBoston | Form 990 | $426,656,046FY2025 |
| Combined Jewish Philanthropies of Greater Boston IncBoston | Form 990 | $357,344,529FY2025 |
| Bny Mellon Charitable Gift FundBoston | Form 990 | $284,885,079FY2024 |
| Fiduciary Charitable FoundationBoston | Form 990 | $61,054,716FY2024 |
| Giving Back Fund IncBoston | Form 990 | $50,660,494FY2025 |
| United Way of Massachusetts Bay IncBoston | Form 990 | $41,381,335FY2025 |
| Provision Ministry IncWestborough | Form 990 | $40,182,153FY2025 |
| Greater Worcester Community Foundation IncWorcester | Form 990 | $39,358,593FY2025 |
| Community Foundation of Western MassachusettsSpringfield | Form 990 | $37,101,884FY2025 |
| Gavin Foundation IncBoston | Form 990 | $28,888,971FY2025 |
| The Berkshire Taconic Community Foundation IncSheffield | Form 990 | $25,442,434FY2024 |
| Essex County Community FDN IncBeverly | Form 990 | $24,689,727FY2025 |
| Alliance Health of Wrentham IncSouthborough | Form 990 | $19,400,445FY2024 |
| Center for Effective Philanthropy IncCambridge | Form 990 | $18,084,378FY2025 |
| Hebrew Seniorlife IncBoston | Form 990 | $16,951,038FY2025 |
| American Friends of the Royal Foundation of the Duke and DuchessNewton | Form 990 | $15,578,951FY2024 |
| Community Foundation of North Central Massachusetts IncFitchburg | Form 990 | $14,947,483FY2025 |
| Joy in Childhood Foundation IncCanton | Form 990 | $14,166,123FY2025 |
| Givinga Foundation IncWellesley | Form 990 | $13,144,583FY2024 |
| The Red Sox Foundation IncBoston | Form 990 | $12,627,758FY2024 |
| Wellington Management FoundationBoston | Form 990 | $11,829,758FY2024 |
| Cambridge Community FoundationCambridge | Form 990 | $11,826,432FY2025 |
| Southcoast Community Foundation IncNew Bedford | Form 990 | $11,660,451FY2024 |
| McCourt Foundation IncSouth Boston | Form 990 | $10,248,455FY2024 |
| Foundation for Metrowest IncNatick | Form 990 | $10,233,861FY2025 |
| United Way of Tri County IncFramingham | Form 990 | $10,054,910FY2025 |
| Community Foundation for NantucketNantucket | Form 990 | $9,563,919FY2025 |
| Team ImpactQuincy | Form 990 | $9,270,525FY2024 |
| Childrens Dyslexia Centers IncLexington | Form 990 | $9,125,382FY2025 |
| Greater Lowell Community Foundation IncLowell | Form 990 | $8,814,269FY2025 |
| Corey C Griffin Charitable FoundationBraintree | Form 990 | $8,533,317FY2025 |
| Womens Foundation of Massachusetts IncBoston | Form 990 | $7,851,725FY2025 |
| New England Region Volleyball Association IncNew Bedford | Form 990 | $7,054,199FY2025 |
| Nantucket Golf Club Foundation IncSiasconset | Form 990 | $6,679,510FY2024 |
| Quincy Housing Authority Development CorporationQuincy | Form 990 | $6,264,229FY2025 |
| United Way of North Central Mass IncFitchburg | Form 990 | $6,019,171FY2025 |
| Cooperative Fund of the Northeast IncWatertown | Form 990 | $5,882,424FY2025 |
| Supreme Council Benevolent FoundationLexington | Form 990 | $5,651,556FY2025 |
| Philanthropy Massachusetts IncBoston | Form 990 | $5,544,821FY2024 |
| Invest in Others Charitablefoundation IncBoston | Form 990 | $5,426,251FY2025 |
| Boston Womens Fund IncCambridge | Form 990 | $4,911,771FY2025 |
| Boston Bruins Charitable Foundation IncBoston | Form 990 | $4,593,082FY2025 |
| Goodness Web FoundationWayland | Form 990 | $4,586,537FY2024 |
| Preparatory Foundation IncHyde Park | Form 990 | $4,524,513FY2025 |
| CfleadsAccord | Form 990 | $4,418,682FY2025 |
| Loring Wolcott & Coolidge Charitable TR - IBoston | Form 990 | $4,379,564FY2025 |
| Bunker Hill Community College Foundation IncBoston | Form 990 | $4,317,649FY2025 |
| Marthas Vineyard Community Foundation IncWest Tisbury | Form 990 | $3,732,193FY2024 |