| 1 | | UC San Diego Health System | California | Biochemistry, Genetics and Molecular Biology | 257 | 473,855 | 958 | 1,781 |
| 2 | | Stanford Health Care | California | Decision Sciences | 230 | 312,762 | 1,181 | 1,850 |
| 3 | | Stanford University | California | Engineering | 222 | 183,406 | 749 | 1,103 |
| 4 | | Salk Institute for Biological Studies | California | Neuroscience | 220 | 198,727 | 729 | 1,068 |
| 5 | | California Institute for Regenerative Medicine | California | Medicine | 215 | 193,599 | 769 | 1,309 |
| 6 | | Salk Institute for Biological Studies | California | Biochemistry, Genetics and Molecular Biology | 212 | 190,356 | 592 | 924 |
| 7 | | California Institute of Technology | California | Biochemistry, Genetics and Molecular Biology | 210 | 173,364 | 694 | 1,141 |
| 8 | | University of California, Riverside | California | Materials Science | 208 | 222,294 | 2,120 | 5,549 |
| 9 | | Scripps Research Institute | California | Medicine | 204 | 183,486 | 1,104 | 1,697 |
| 10 | | University of Southern California | California | Medicine | 202 | 194,080 | 1,583 | 3,610 |
| 11 | | University of California, Berkeley | California | Chemistry | 200 | 250,150 | 396 | 940 |
| 12 | | University of San Diego | California | Biochemistry, Genetics and Molecular Biology | 200 | 166,300 | 952 | 2,101 |
| 13 | | University of California, Los Angeles | California | Medicine | 198 | 200,259 | 1,479 | 2,947 |
| 14 | | University of California San Diego | California | Medicine | 195 | 180,452 | 901 | 1,225 |
| 15 | | Scripps Research Institute | California | Chemistry | 190 | 149,726 | 967 | 1,531 |
| 16 | | Twitter (United States) | California | Physics and Astronomy | 188 | 220,457 | 2,510 | 3,970 |
| 17 | | California Institute of Technology | California | Physics and Astronomy | 186 | 179,890 | 1,424 | 2,358 |
| 18 | | California Institute of Technology | California | Earth and Planetary Sciences | 185 | 138,356 | 802 | 1,374 |
| 19 | | University of California San Diego | California | Medicine | 182 | 167,750 | 693 | 1,028 |
| 20 | | UCLA Medical Center | California | Biochemistry, Genetics and Molecular Biology | 180 | 163,061 | 997 | 1,833 |
| 21 | | Scripps Research Institute | California | Medicine | 180 | 122,545 | 838 | 1,696 |
| 22 | | La Jolla Institute for Immunology | California | Immunology and Microbiology | 175 | 123,598 | 900 | 1,439 |
| 23 | | Scripps Research Institute | California | Immunology and Microbiology | 174 | 101,113 | 586 | 800 |
| 24 | | Lawrence Berkeley National Laboratory | California | Chemistry | 174 | 95,885 | 559 | 1,115 |
| 25 | | Palo Alto University | California | Psychology | 173 | 159,759 | 576 | 991 |
| 26 | | Salk Institute for Biological Studies | California | Biochemistry, Genetics and Molecular Biology | 173 | 134,541 | 487 | 646 |
| 27 | | VA Palo Alto Health Care System | California | Medicine | 173 | 134,411 | 870 | 1,504 |
| 28 | | Stanford Medicine | California | Immunology and Microbiology | 173 | 111,609 | 525 | 899 |
| 29 | | California Institute of Technology | California | Biochemistry, Genetics and Molecular Biology | 173 | 99,621 | 352 | 476 |
| 30 | | University of California, Santa Cruz | California | Biochemistry, Genetics and Molecular Biology | 172 | 216,812 | 405 | 715 |
| 31 | | Lawrence Berkeley National Laboratory | California | Physics and Astronomy | 171 | 152,029 | 1,607 | 2,263 |
| 32 | | University of California, San Francisco | California | Medicine | 171 | 115,625 | 805 | 1,312 |
| 33 | | Twitter (United States) | California | Physics and Astronomy | 170 | 162,601 | 1,939 | 2,696 |
| 34 | | University of California San Diego | California | Immunology and Microbiology | 170 | 135,784 | 388 | 566 |
| 35 | | Lawrence Berkeley National Laboratory | California | Engineering | 170 | 127,813 | 537 | 1,122 |
| 36 | | San Francisco VA Medical Center | California | Medicine | 170 | 126,357 | 891 | 1,556 |
| 37 | | Salk Institute for Biological Studies | California | Agricultural and Biological Sciences | 169 | 132,611 | 339 | 532 |
| 38 | | University of San Diego | California | Biochemistry, Genetics and Molecular Biology | 169 | 99,108 | 368 | 490 |
| 39 | | University of California, San Francisco | California | Biochemistry, Genetics and Molecular Biology | 168 | 145,168 | 398 | 580 |
| 40 | | University of California, San Francisco | California | Neuroscience | 168 | 79,802 | 409 | 526 |
| 41 | | Sutter Health | California | Medicine | 167 | 118,813 | 603 | 938 |
| 42 | | San Francisco VA Medical Center | California | Biochemistry, Genetics and Molecular Biology | 166 | 219,469 | 402 | 533 |
| 43 | | Twitter (United States) | California | Physics and Astronomy | 166 | 176,006 | 1,903 | 2,954 |
| 44 | | Twitter (United States) | California | Physics and Astronomy | 166 | 155,259 | 1,966 | 2,644 |
| 45 | | University of California, Los Angeles | California | Materials Science | 166 | 117,767 | 510 | 728 |
| 46 | | Sanford Burnham Prebys Medical Discovery Institute | California | Medicine | 166 | 109,233 | 430 | 642 |
| 47 | | Stanford University | California | Engineering | 165 | 112,006 | 647 | 1,432 |
| 48 | | University of California San Diego | California | Biochemistry, Genetics and Molecular Biology | 165 | 102,449 | 420 | 525 |
| 49 | | University of California, San Francisco | California | Immunology and Microbiology | 165 | 99,625 | 462 | 714 |
| 50 | | LIGO Scientific Collaboration | California | Physics and Astronomy | 164 | 207,492 | 991 | 1,616 |