| 1 | A D F Community Outreach Foundation INC Mechanicsvlle | $3.1B | $3.1B | $37.5M |
| 2 | Impactassets INC Bethesda | $1.9B | $680.3M | $3.0B |
| 3 | T Rowe Price Program for Charitable Giving INC Baltimore | $587.1M | $302.2M | $648.3M |
| 4 | The Harry & Jeanette Weinberg Foundation INC Owings Mills | $539.7M | $0 | $1.8B |
| 5 | The Keith Campbell Foundation for the Environment INC Bethesda | $377.7M | $0 | $420.2M |
| 6 | Clark Charitable Foundation INC Bethesda | $363.2M | $0 | $447.1M |
| 7 | Diana Davis Spencer Foundation Bethesda | $356.6M | $0 | $1.3B |
| 8 | Annie E Casey Foundation Baltimore | $336.0M | $0 | $2.3B |
| 9 | Eugene B Casey Foundation Gaithersburg | $299.9M | $0 | $397.3M |
| 10 | Davis Family Foundation Hanover | $135.8M | $0 | $1.6B |
| 11 | Stephen and Renee Bisciotti Foundation INC Baltimore | $123.9M | $0 | $474.4M |
| 12 | Sherman Fairchild Foundation INC Chevy Chase | $109.4M | $0 | $689.6M |
| 13 | Rast Foundation Bethesda | $96.8M | $0 | $94.8M |
| 14 | Baltimore Community Foundation INC Baltimore | $90.1M | $60.6M | $314.3M |
| 15 | J Willard and Alice S Marriott Foundation Bethesda | $79.6M | $0 | $434.5M |
| 16 | The Jewish Federation of Greater Washington INC North Bethesda | $77.1M | $69.4M | $354.3M |
| 17 | The Harvey M Meyerhoff Fund INC Baltimore | $75.5M | $0 | $83.9M |
| 18 | Ryuji Ueno Foundation INC Bethesda | $66.5M | $0 | $107.3M |
| 19 | Associated Jewish Charities of Baltimore Baltimore | $57.2M | $56.6M | $422.3M |
| 20 | Community Foundation of Frederick County Maryland Incorporated Frederick | $55.4M | $21.9M | $193.3M |
| 21 | The United Way of Central Maryland INC Baltimore | $55.0M | $31.6M | $54.6M |
| 22 | Associated Jewish Community Federation of Baltimore INC Baltimore | $54.1M | $54.1M | $45.8M |
| 23 | Nora Roberts Foundation INC Glenn Dale | $52.3M | $0 | $105.4M |
| 24 | Dupkin Educational & Charitable Foundation INC Owings Mills | $51.7M | $0 | $73.0M |
| 25 | Mid-shore Community Foundation INC Easton | $49.8M | $18.1M | $137.3M |
| 26 | Richman Foundation INC Baltimore | $49.7M | $0 | $29.0M |
| 27 | Rise8 Foundation Hunt Valley | $49.4M | $0 | $342.5M |
| 28 | De Beaumont Foundation INC Bethesda | $48.7M | $0 | $163.5M |
| 29 | Naomi and Nehemiah Cohen Foundation Virginia Corporation Bethesda | $48.1M | $0 | $95.6M |
| 30 | Charles T Bauer Charitable Foundation Baltimore | $41.1M | $0 | $105.9M |
| 31 | Sweetwater Action Fund Fulton | $37.8M | $18.0M | $22.3M |
| 32 | Sherman Family Foundation Baltimore | $34.4M | $0 | $73.3M |
| 33 | So What Else INC Bethesda | $34.0M | $33.8M | $2.5M |
| 34 | Mayberg Foundation INC Chevy Chase | $33.4M | $0 | $26.3M |
| 35 | Community Foundation of the Eastern Shore INC Salisbury | $31.3M | $16.9M | $179.8M |
| 36 | Sarfaty Siegel Foundation for the Future Chevy Chase | $30.9M | $0 | $4.6M |
| 37 | Community Foundation of Anne Arundel County INC Annapolis | $28.9M | $15.2M | $41.8M |
| 38 | Cornell Douglas Foundation INC Bethesda | $28.6M | $0 | $57.2M |
| 39 | Robert & Lynda Altman Family Foundation Baltimore | $28.2M | $0 | $227.8M |
| 40 | Philip E and Carole R Ratcliffe Foundation INC Annapolis | $28.2M | $0 | $62.5M |
| 41 | Aaron Straus and Lillie Straus Foundation INC Baltimore | $24.3M | $0 | $76.2M |
| 42 | Robert a Waidner Foundation Baltimore | $24.2M | $0 | $22.5M |
| 43 | Baltimore Civic Fund INC Baltimore | $24.2M | $24.2M | $25.4M |
| 44 | Joseph and Debra Weinberg Familyfoundation INC Timonium | $23.8M | $0 | $20.1M |
| 45 | Asbury Foundation INC Frederick | $23.1M | $12.1M | $60.9M |
| 46 | Geico Philanthropic Foundation Chevy Chase | $22.9M | $0 | $119.0M |
| 47 | Three Graces Foundation INC Fulton | $22.8M | $0 | $50.1M |
| 48 | Jerrold van Winter Charitablefoundation Rockville | $22.2M | $0 | $62.8M |
| 49 | Kennedy Krieger Foundation INC Baltimore | $19.8M | $17.1M | $92.8M |
| 50 | Fund for the Common Good Fulton | $19.3M | $962K | $5.7M |