| 1 | | California Institute for Regenerative Medicine | California | Medicine | 215 | 193,599 | 769 | 1,309 |
| 2 | | Twitter (United States) | California | Physics and Astronomy | 188 | 220,457 | 2,510 | 3,970 |
| 3 | | University of California, San Francisco | California | Medicine | 171 | 115,625 | 805 | 1,312 |
| 4 | | Twitter (United States) | California | Physics and Astronomy | 170 | 162,601 | 1,939 | 2,696 |
| 5 | | San Francisco VA Medical Center | California | Medicine | 170 | 126,357 | 891 | 1,556 |
| 6 | | University of California, San Francisco | California | Biochemistry, Genetics and Molecular Biology | 168 | 145,168 | 398 | 580 |
| 7 | | University of California, San Francisco | California | Neuroscience | 168 | 79,802 | 409 | 526 |
| 8 | | San Francisco VA Medical Center | California | Biochemistry, Genetics and Molecular Biology | 166 | 219,469 | 402 | 533 |
| 9 | | Twitter (United States) | California | Physics and Astronomy | 166 | 176,006 | 1,903 | 2,954 |
| 10 | | Twitter (United States) | California | Physics and Astronomy | 166 | 155,259 | 1,966 | 2,644 |
| 11 | | University of California, San Francisco | California | Immunology and Microbiology | 165 | 99,625 | 462 | 714 |
| 12 | | Twitter (United States) | California | Physics and Astronomy | 164 | 192,159 | 1,789 | 2,736 |
| 13 | | QB3 | California | Medicine | 163 | 105,409 | 724 | 1,142 |
| 14 | | Twitter (United States) | California | Physics and Astronomy | 159 | 130,081 | 1,497 | 2,470 |
| 15 | | University of California, San Francisco | California | Immunology and Microbiology | 159 | 94,236 | 474 | 671 |
| 16 | | Twitter (United States) | California | Physics and Astronomy | 157 | 136,854 | 1,675 | 2,512 |
| 17 | | Twitter (United States) | California | Physics and Astronomy | 157 | 130,034 | 1,480 | 2,322 |
| 18 | | University of California, San Francisco | California | Medicine | 157 | 120,012 | 725 | 1,443 |
| 19 | | University of California, San Francisco | California | Biochemistry, Genetics and Molecular Biology | 155 | 88,522 | 488 | 650 |
| 20 | | University of California, San Francisco | California | Immunology and Microbiology | 153 | 83,552 | 641 | 969 |
| 21 | | Twitter (United States) | California | Physics and Astronomy | 150 | 125,949 | 1,489 | 2,155 |
| 22 | | Twitter (United States) | California | Physics and Astronomy | 150 | 124,610 | 1,400 | 2,320 |
| 23 | | QB3 | California | Biochemistry, Genetics and Molecular Biology | 150 | 119,499 | 403 | 670 |
| 24 | | Twitter (United States) | California | Physics and Astronomy | 149 | 120,931 | 1,293 | 1,995 |
| 25 | | University of California, San Francisco | California | Medicine | 149 | 107,740 | 707 | 1,412 |
| 26 | | Twitter (United States) | California | Physics and Astronomy | 148 | 114,366 | 1,372 | 2,617 |
| 27 | | University of California, San Francisco | California | Neuroscience | 148 | 72,373 | 352 | 489 |
| 28 | | Chan Zuckerberg Biohub San Francisco | California | Biochemistry, Genetics and Molecular Biology | 147 | 92,344 | 369 | 695 |
| 29 | | University of California, San Francisco | California | Medicine | 146 | 88,894 | 556 | 868 |
| 30 | | University of California, San Francisco | California | Medicine | 143 | 89,707 | 659 | 1,305 |
| 31 | | Twitter (United States) | California | Physics and Astronomy | 138 | 101,398 | 1,278 | 1,823 |
| 32 | | Twitter (United States) | California | Physics and Astronomy | 138 | 98,198 | 971 | 1,365 |
| 33 | | Twitter (United States) | California | Physics and Astronomy | 138 | 95,864 | 932 | 1,297 |
| 34 | | San Francisco VA Medical Center | California | Neuroscience | 138 | 84,744 | 402 | 550 |
| 35 | | University of California, San Francisco | California | Medicine | 137 | 96,257 | 502 | 767 |
| 36 | | Twitter (United States) | California | Physics and Astronomy | 137 | 91,300 | 1,231 | 1,762 |
| 37 | | University of California, San Francisco | California | Medicine | 136 | 75,812 | 669 | 1,023 |
| 38 | | Twitter (United States) | California | Physics and Astronomy | 134 | 83,378 | 1,106 | 2,032 |
| 39 | | California Institute for Regenerative Medicine | California | Medicine | 134 | 74,699 | 715 | 1,464 |
| 40 | | Twitter (United States) | California | Physics and Astronomy | 132 | 82,377 | 861 | 1,337 |
| 41 | | Twitter (United States) | California | Physics and Astronomy | 132 | 70,207 | 675 | 1,032 |
| 42 | | Institute on Aging | California | Biochemistry, Genetics and Molecular Biology | 132 | 65,212 | 520 | 1,054 |
| 43 | | Twitter (United States) | California | Physics and Astronomy | 131 | 77,105 | 1,074 | 2,183 |
| 44 | | QB3 | California | Biochemistry, Genetics and Molecular Biology | 131 | 70,139 | 380 | 754 |
| 45 | | QB3 | California | Biochemistry, Genetics and Molecular Biology | 130 | 99,788 | 398 | 686 |
| 46 | | Twitter (United States) | California | Psychology | 129 | 145,803 | 611 | 1,341 |
| 47 | | Gladstone Institutes | California | Medicine | 129 | 62,436 | 294 | 378 |
| 48 | | University of California, San Francisco | California | Medicine | 129 | 51,780 | 460 | 641 |
| 49 | | QB3 | California | Biochemistry, Genetics and Molecular Biology | 128 | 67,866 | 538 | 843 |
| 50 | | Twitter (United States) | California | Physics and Astronomy | 127 | 73,263 | 774 | 906 |