Foundations starting with S
964 private foundations with profiled giving history. Figures from IRS 990-PF filings. Search every letter at once.
Typical grant is the median of grants reported in the filing data. Application details come from the latest filing and can be out of date, so confirm them with the foundation.
1–100 of 964 foundations in this list.
| Foundation | Typical grant | Total giving | Grants reported |
|---|---|---|---|
| The Susan Thompson Buffett Foundation IRS filing 2025 · Most giving: KIGALI, DC, NY | $503.1K | $2.4B | 815 |
| Sergey Brin Family Foundation C/O Pacific Foundation Services IRS filing 2024 · Most giving: NY, CA, DC | $1M | $698.9M | 170 |
| The Sherwood Foundation IRS filing 2025 · Most giving: NE, IA, DC | $80K | $552.5M | 1,620 |
| Sequoia Climate Foundation IRS filing 2023 · Most giving: NY, DC, CA | $1M | $305.4M | 187 |
| The Sunderland Foundation IRS filing 2025 · Most giving: MO, KS, NY | $495K | $279.1M | 121 |
| The Simons Foundation Inc IRS filing 2024 · Most giving: NY, CA, MA | $72K | $272M | 1,727 |
| The Schmidt Family Foundation IRS filing 2024 · Most giving: CA, NY, DC | $130K | $185.4M | 695 |
| The Snider Foundation IRS filing 2024 · Most giving: PA, CA, DC | $25K | $174.5M | 249 |
| Steven & Alexandra Cohen Foundation Inc IRS filing 2024 · Most giving: CT, NY, CA | $100K | $130M | 191 |
| Shelby Cullom Davis Charitable Fund Inc IRS filing 2024 · Most giving: NM, NY, CA | $200K | $120.2M | 118 |
| Surdna Foundation Inc IRS filing 2024 · Most giving: NY, CA, DC | $78K | $115.4M | 789 |
| The Sarofim Foundation IRS filing 2024 · Most giving: TX, NJ, NY | $150K | $114.9M | 152 |
| The Stanton Foundation C/O Hemenway & Barnes LLP IRS filing 2025 · Most giving: MA, NH, GA | $49.5K | $98.4M | 242 |
| Susquehanna Foundation IRS filing 2025 · Most giving: MA, RI, DC | $72.5K | $90.4M | 46 |
| The Shubert Foundation Inc IRS filing 2024 · Most giving: NY, CA, IL | $35K | $82.1M | 1,323 |
| Samueli Foundation IRS filing 2024 · Most giving: CA, NY, VA | $39.5K | $80.6M | 366 |
| Skyline Foundation IRS filing 2024 · Most giving: CA, NY, DC | $250K | $80.4M | 194 |
| Stephen A Schwarzman Foundation IRS filing 2024 · Most giving: MA, NY, OH | $1.2M | $76.1M | 18 |
| Stanley M Herzog Charitable Foundation IRS filing 2024 · Most giving: MO, VA, KY | $5K | $74.4M | 154 |
| The Starr Foundation IRS filing 2024 · Most giving: NY, DC, CT | $27.5K | $73.5M | 90 |
| The Sobrato Family Foundation IRS filing 2024 · Most giving: CA, MD, DC | $75K | $69.3M | 526 |
| The Skip Viragh Foundation Inc IRS filing 2024 · Most giving: CA, MD, MO | $242.5K | $66M | 98 |
| The Shimon Ben Joseph Foundation Dba Jim Joseph Foundation IRS filing 2024 · Most giving: NY, DC, CA | $49K | $63M | 264 |
| Stanley Family Foundation IRS filing 2024 · Most giving: MA, VA, PA | $10K | $60.8M | 19 |
| The Samuel Roberts Noble Foundation IRS filing 2024 · Most giving: OK, GA, TX | $5K | $53.9M | 153 |
| Stupski Foundation IRS filing 2024 · Most giving: CA, HI, DC | $150K | $51.5M | 205 |
| Sherman Fairchild Foundation Inc IRS filing 2024 · Most giving: NY, IL, MA | $72.8K | $48.3M | 88 |
| Sarah Scaife Foundation Incorporated IRS filing 2024 · Most giving: DC, VA, CA | $200K | $45.3M | 176 |
| The Skoll Foundation IRS filing 2024 · Most giving: DC, MN, ENGLAND | $100K | $44.9M | 157 |
| The Satterberg Foundation Inc IRS filing 2024 · Most giving: WA, CA, DC | $125K | $42.6M | 286 |
| The Stephen & Renee Bisciotti Foundation IRS filing 2024 · Most giving: MD, MA, FL | $75K | $42.1M | 79 |
| The Starbucks Foundation IRS filing 2024 · Most giving: MA, NY, DC | $112.5K | $40.8M | 110 |
| Stoller Foundation IRS filing 2024 · Most giving: TX, FL, MD | $28.3K | $40.1M | 357 |
| The Spring Foundation Inc IRS filing 2025 · Most giving: MA, DC, TN | $100K | $39.2M | 22 |
| Sea Change Foundation IRS filing 2024 · Most giving: CA, DC, NY | $3M | $37.4M | 9 |
| The Spray Foundation Inc C/O Clay K Kirk IRS filing 2025 · Most giving: PA, NY, CT | $50K | $36.5M | 61 |
| Salesforce Foundation IRS filing 2024 · Most giving: CA, NY, DC | $1M | $35.9M | 22 |
| Sall Family Foundation IRS filing 2024 · Most giving: DC, GA, NY | $125K | $35.8M | 79 |
| The Sauer Family Foundation IRS filing 2025 · Most giving: MN, OH, CA | $86.2K | $35.1M | 235 |
| State Employees Credit Union Foundation IRS filing 2024 · Most giving: NC, AZ | $2.5K | $34.7M | 3,594 |
| Sue Ling Gin Foundation Trust IRS filing 2024 · Most giving: IL, NY, WA | $155K | $34.4M | 24 |
| St George Corporation IRS filing 2024 · Most giving: IL | $1M | $33.8M | 5 |
| Santander Consumer USA Inc Foundation IRS filing 2025 · Most giving: TX, GA, MA | $140K | $32.6M | 87 |
| Surack Family Foundation Inc IRS filing 2025 · Most giving: IN, DC, IL | $10K | $31.3M | 256 |
| Stanley E Fulton Family Foundation IRS filing 2024 · Most giving: KS, TX, AR | $475K | $30.4M | 34 |
| Samuel & Jean Frankel Foundation IRS filing 2024 · Most giving: MI | $175K | $30.3M | 7 |
| The Samuel and Jean Frankel Jewish Heritage Foundation IRS filing 2024 · Most giving: MI, NY, DC | $220K | $29.8M | 16 |
| Sue & Edgar Wachenheim Foundation IRS filing 2024 · Most giving: NY, DC, CT | $100K | $28.3M | 29 |
| Sorenson Legacy Foundation IRS filing 2024 · Most giving: UT, MD, VA | $20K | $28M | 266 |
| Scharbauer Foundation Inc IRS filing 2024 · Most giving: TX | $25K | $27.3M | 66 |
| Semmes Foundation Inc IRS filing 2025 · Most giving: TX, AL | $2K | $26.8M | 9 |
| S&P Global Foundation Fka the McGraw-Hill Research Foundation IRS filing 2025 · Most giving: DE, NY, DC | $75K | $25.7M | 23 |
| The Spencer Foundation IRS filing 2024 · Most giving: DC, NY, CA | $75K | $24.3M | 214 |
| Sunlight Giving IRS filing 2024 · Most giving: CA, DC, IL | $55K | $23M | 332 |
| Smith Richardson Foundation Inc IRS filing 2024 · Most giving: DC, CA, VA | $49.7K | $22.9M | 282 |
| The Serr Charitable Action Trust IRS filing 2025 · Most giving: CA, UT, AZ | $337.5K | $22.8M | 10 |
| Seedlings Foundation IRS filing 2024 · Most giving: CT, DC, NY | $122.5K | $22.6M | 88 |
| The Sidney E Frank Foundation C/O Pkf O'Connor Davies IRS filing 2024 · Most giving: NY, RI, CA | $20K | $22.5M | 161 |
| The Smidt Foundation IRS filing 2024 · Most giving: CA, NY, RI | $35K | $21.1M | 145 |
| Southern Company Charitable Foundation Inc IRS filing 2024 · Most giving: GA, DC, FL | $200K | $20.5M | 27 |
| Synchrony Foundation IRS filing 2024 · Most giving: CT, NY, SC | $10K | $20.5M | 394 |
| The Sol Goldman Charitable Trust IRS filing 2024 · Most giving: NY, CA, MD | $25K | $20.5M | 76 |
| Seeds of Change Foundation IRS filing 2024 · Most giving: CO, SD, MN | $850K | $19.8M | 15 |
| Still Water Foundation IRS filing 2024 · Most giving: TX, CA, NM | $60K | $19.8M | 91 |
| Steward Family Foundation IRS filing 2025 · Most giving: MO, VA | $350K | $19.6M | 5 |
| The Schooner Foundation c/o Schooner Capital LLC IRS filing 2024 · Most giving: MA, MD, NY | $90K | $19.4M | 129 |
| Stamps Family Charitable Foundation Inc IRS filing 2023 · Most giving: IL, GA, AZ | $5.8K | $19.4M | 16 |
| Starry Night Charitable Foundation IRS filing 2025 · Most giving: WI, MA, RI | $2M | $19M | 7 |
| Sherman Family Foundation IRS filing 2024 · Most giving: MD, ME, NY | $50K | $19M | 118 |
| The Searle Freedom Trust C/O Kinship LLC IRS filing 2024 · Most giving: DC, VA, CA | $200K | $18.9M | 80 |
| The Shanahan Family Charitable Foundation IRS filing 2024 · Most giving: CA, PA, WA | $100K | $18.8M | 47 |
| The Seaman Foundation Inc IRS filing 2024 · Most giving: GA, PA, FL | $75K | $18M | 23 |
| The Skillman Foundation IRS filing 2024 · Most giving: MI, NY, DC | $10K | $17.8M | 416 |
| Shapiro-Silverberg Foundation IRS filing 2025 · Most giving: NY, MA, CA | $60K | $17.7M | 43 |
| The Steve and Natalee Herrig Family Foundation Inc IRS filing 2025 · Most giving: FL, MN, KS | $100K | $17.4M | 48 |
| Simpson Psb Fund IRS filing 2024 · Most giving: CA, MD, NH | $22.5K | $17.4M | 34 |
| Suc Tua Evelyn Davis Foundation IRS filing 2025 · Most giving: DC, VA, NY | $2M | $17.2M | 7 |
| Sam Simon Charitable Giving Foundation Inc IRS filing 2024 · Most giving: CA, VA, FL | $150K | $17.1M | 56 |
| State Farm Companies Foundation IRS filing 2025 · Most giving: IL, NC | $1.3M | $17.1M | 8 |
| Scanlan Family Foundation IRS filing 2024 · Most giving: IA, VT, CT | $1M | $16.9M | 11 |
| Surgo Foundation US IRS filing 2025 · Most giving: NY, VA, DC | $218.1K | $16.8M | 51 |
| Stewardship Foundation IRS filing 2024 · Most giving: CA, IL, MI | $25K | $16.8M | 160 |
| The Sage & Dice Foundation C/O William C Stone Trustee IRS filing 2025 · Most giving: IN, FL, TN | $76.5K | $16.7M | 16 |
| Stewart Family Foundation Inc % James Newcomb IRS filing 2025 · Most giving: CO, NV | $56.5K | $16.7M | 32 |
| Shell USA Company Foundation IRS filing 2024 · Most giving: TX, LA, CA | $1K | $16M | 4,650 |
| Speer Foundation IRS filing 2024 · Most giving: FL, TN, AZ | $50K | $15.5M | 119 |
| SC Johnson Giving Inc IRS filing 2024 · Most giving: NY, IL, WI | $401.4K | $15.2M | 14 |
| Select Equity Group Foundation IRS filing 2025 · Most giving: NY, VA, DC | $1.5K | $14.6M | 1,830 |
| The Stuart Family Foundation Inc IRS filing 2024 · Most giving: NY, NH, CT | $45K | $14.5M | 22 |
| Sigmund M Hyman Foundation Inc IRS filing 2024 · Most giving: MD, PA, MA | $30K | $14.5M | 23 |
| The Steinman Foundation IRS filing 2025 · Most giving: PA, VA, CA | $10K | $14.5M | 183 |
| The Shillman Foundation IRS filing 2025 · Most giving: KY, CA, TX | $22.5K | $13.7M | 12 |
| Sfs Foundation IRS filing 2025 · Most giving: SD, FL, IA | $137K | $13.6M | 40 |
| Schlessman Foundation Inc IRS filing 2024 · Most giving: CO | $15K | $13M | 228 |
| Simonian Family Foundation IRS filing 2024 · Most giving: NY, CA | $703.5K | $12.9M | 6 |
| Sacks Family Foundation C/O Michael Sacks IRS filing 2025 · Most giving: IL, LA, NY | $50K | $12.6M | 103 |
| Segal Family Foundation Inc IRS filing 2024 · Most giving: NY, CA, CO | $30K | $12.4M | 344 |
| The Steve Tisch Family Foundation IRS filing 2024 · Most giving: NY, CA, DC | $25K | $12.4M | 18 |
| Schultz Family Foundation IRS filing 2024 · Most giving: WA, DC, PA | $100K | $12.1M | 66 |
| Swenson Family Foundation IRS filing 2025 · Most giving: CA, MN, WI | $50K | $12.1M | 69 |