| KAISER FOUNDATION HEALTH PLAN INC | Oakland | E310 Health Care | $82.5B | 67 |
| KAISER FOUNDATION HOSPITALS | Oakland | E210 Health Care | $32.8B | 70 |
| DIGNITY HEALTH | San Francisco | E22 Health Care | $9.9B | 35 |
| DONOR ADVISED CHARITABLE GIVING INC | San Francisco | T300 Philanthropy, Voluntarism & Grantmaking Foundations | $9.7B | 11 |
| THE BOARD OF TRUSTEES OF THE LELAND | Redwood City | B430 Education | $9.5B | 26 |
| STANFORD HEALTH CARE | Stanford | E220 Health Care | $8B | 23 |
| DELTA DENTAL OF CALIFORNIA | San Francisco | E30 Health Care | $6.1B | 44 |
| KAISER FOUNDATION HEALTH PLAN OF THE | Oakland | E310 Health Care | $5.9B | 39 |
| SUTTER BAY HOSPITALS | Sacramento | E220 Health Care | $5.6B | 21 |
| UNIVERSITY OF SOUTHERN CALIFORNIA | Los Angeles | B430 Education | $5.1B | 33 |
| KAISER FOUNDATION HEALTH PLAN | Oakland | E310 Health Care | $5.1B | 41 |
| SCAN HEALTH PLAN | Long Beach | E300 Health Care | $5B | 17 |
| SCRIPPS HEALTH | San Diego | E220 Health Care | $4.9B | 24 |
| SUTTER VALLEY HOSPITALS | Sacramento | E22 Health Care | $4.7B | 21 |
| CEDARS-SINAI MEDICAL CENTER | Los Angeles | E220 Health Care | $4.7B | 14 |
| KAISER FOUNDATION HEALTH PLAN OF COLORADO | Oakland | E310 Health Care | $4.3B | 42 |
| KAISER FOUNDATION HEALTH PLAN OF WASHINGTON | Oakland | E20 Health Care | $4.2B | 40 |
| CALIFORNIA INSTITUTE OF TECHNOLOGY | Pasadena | B430 Education | $4.2B | 25 |
| Genentech Patient Foundation | South San Francisco | P60 Human Services | $3.7B | 0 |
| DIGNITY COMMUNITY CARE | San Francisco | E21 Health Care | $3.6B | 33 |
| SUTTER BAY MEDICAL FOUNDATION | Sacramento | H900 Medical Research | $3.5B | 23 |
| CITY OF HOPE NATIONAL MEDICAL CENTER | Duarte | E240 Health Care | $2.9B | 21 |
| LUCILE SALTER PACKARD CHILDREN'S | Palo Alto | E240 Health Care | $2.8B | 28 |
| FRESNO COMMUNITY HOSPITAL | Fresno | E220 Health Care | $2.7B | 15 |
| MEMORIAL HEALTH SERVICES GROUP RETURN | Fountain Valley | E122 Health Care | $2.7B | 41 |
| SUTTER HEALTH | Sacramento | E21 Health Care | $2.7B | 39 |
| GORDON E AND BETTY I MOORE FOUNDATION | Palo Alto | T20 Philanthropy, Voluntarism & Grantmaking Foundations | $2.7B | 3 |
| KAISER FOUNDATION HEALTH PLAN OF GEORGIAINC | Oakland | E31 Health Care | $2.6B | 31 |
| AMGEN SAFETY NET FOUNDATION | Thousand Oaks | G51 Diseases, Disorders & Medical Disciplines | $2.4B | 0 |
| DIRECT RELIEF | Santa Barbara | Q330 International, Foreign Affairs & National Security | $2.4B | 8 |
| AIDS HEALTHCARE FOUNDATION | Los Angeles | P74Z Human Services | $2.3B | 23 |
| GOOD VENTURES FOUNDATION | Palo Alto | T22 Philanthropy, Voluntarism & Grantmaking Foundations | $2.2B | 0 |
| SUTTER VALLEY MEDICAL FOUNDATION | Sacramento | E30 Health Care | $2B | 19 |
| KECK MEDICAL CENTER OF USC | Los Angeles | E20 Health Care | $1.9B | 26 |
| RADY CHILDREN'S HOSPITAL - SAN DIEGO | San Diego | E240 Health Care | $1.9B | 30 |
| HOAG MEMORIAL HOSPITAL PRESBYTERIAN | Newport Beach | E220 Health Care | $1.8B | 16 |
| JOHN MUIR HEALTH | Walnut Creek | E210 Health Care | $1.8B | 24 |
| Sharp Healthcare | San Diego | E210 Health Care | $1.8B | 19 |
| LOMA LINDA MERCANTILE | San Bernardino | E21Z Health Care | $1.7B | 8 |
| CHILDREN'S HOSPITAL LOS ANGELES | Los Angeles | E240 Health Care | $1.6B | 20 |
| Silicon Valley Community Foundation | Mountain View | T31 Philanthropy, Voluntarism & Grantmaking Foundations | $1.6B | 11 |
| Sharp Memorial Hospital | San Diego | E20 Health Care | $1.6B | 23 |
| SEVENTH-DAY ADVENTISTS LOMA LINDA | San Bernardino | E220 Health Care | $1.6B | 45 |
| CHILDREN'S HOSPITAL OF ORANGE COUNTY | Orange | E240 Health Care | $1.5B | 15 |
| CHG FOUNDATION | Chula Vista | E80 Health Care | $1.5B | 11 |
| DIGNITY HEALTH MEDICAL FOUNDATION | San Francisco | E120 Health Care | $1.5B | 25 |
| CHAN ZUCKERBERG INITIATIVE FOUNDATION | Palo Alto | T20 Philanthropy, Voluntarism & Grantmaking Foundations | $1.5B | 0 |
| ALTAMED HEALTH SERVICES CORPORATION | Los Angeles | E320 Health Care | $1.5B | 13 |
| NAVIGATION CHARITABLE FUND | Berkeley | U05 Science & Technology | $1.3B | 1 |
| CHAN ZUCKERBERG BIOHUB INC | San Francisco | H99 Medical Research | $1.3B | 21 |
