The Getty Center from the air, supported by the J. Paul Getty Trust. Photo by Jelson25 via Wikimedia Commons.
| Name | Type | Total Assets* | Location | Tax-Exempt Since |
|---|---|---|---|---|
| J Paul Getty Trust | Named Trust | $10,778,929,123 | Los Angeles | 1954 |
| Conrad N Hilton Foundation | Private Grantmaking | $4,101,713,350 | Agoura Hills | 1990 |
| The California Endowment | Private Independent | $3,446,801,045 | Los Angeles | 1996 |
| Norton Simon Foundation | Private Grantmaking | $1,797,886,197 | Pasadena | 1954 |
| Broad Foundation | Private Independent | $1,797,812,814† | Los Angeles | 1999 |
| Name | Type | Total Assets* | Location | Tax-Exempt Since |
| Norton Simon Art Foundation | Fund Raising / Fund Distribution | $1,644,035,362† | Pasadena | 1957 |
| W M Keck Foundation | Private Grantmaking | $1,638,138,521 | Los Angeles | 1959 |
| The Ahmanson Foundation | Private Grantmaking | $1,220,048,082 | Beverly Hills | 1955 |
| The California Wellness Foundation | Single Organization Support | $1,019,755,165 | Los Angeles | 1991 |
| Weingart Foundation | Private Grantmaking | $830,894,039 | Los Angeles | 1952 |
| Name | Type | Total Assets* | Location | Tax-Exempt Since |
| Kavli Foundation | Private Independent | $660,487,921 | Los Angeles | 2001 |
| Broad Art Foundation | Fund Raising / Fund Distribution | $622,456,421 | Los Angeles | 1998 |
| The Broad | Art Museum | $573,557,667 | Los Angeles | 2011 |
| The David Geffen Foundation | Private Grantmaking | $526,821,989 | Los Angeles | 1987 |
| Ralph M Parsons Foundation | Private Grantmaking | $412,929,990 | Los Angeles | 1963 |
| Name | Type | Total Assets* | Location | Tax-Exempt Since |
| Windsong Trust | Private Independent | $405,765,254 | Manhattan Beach | 2004 |
| Craig H Neilsen Foundation | Private Grantmaking | $405,058,532† | Encino (Los Angeles) | 2004 |
| Thomas & Dorothy Leavey Foundation | Private Grantmaking | $353,010,874 | Los Angeles | 1956 |
| Unihealth Foundation | Community Health System | $315,423,572 | Los Angeles | 1985 |
| Michael & Lori Milken Family Foundation | Private Grantmaking | $284,509,813 | Santa Monica | 2018 |
| Name | Type | Total Assets* | Location | Tax-Exempt Since |
| Michael A Considine Foundation | Philanthropy, Voluntarism, & Grantmaking | $284,509,813 | Claremont | 1996 |
| Dan Murphy Foundation | Private Grantmaking | $280,929,861 | Los Angeles | 1959 |
| Sam Simon Charitable Giving Foundation Inc | Private Independent | $260,206,954 | Los Angeles | 2014 |
| Helen & Wil Webster Foundation | Private Grantmaking | $257,573,629 | Altadena | 1997 |
| Helen & Jose Colton Foundation | Private Independent | $257,573,629 | Los Angeles | 2014 |
| Name | Type | Total Assets* | Location | Tax-Exempt Since |
| Saul Brandman Foundation | Private Grantmaking | $251,558,804 | Beverly Hills | 1994 |
| Wunderkinder Foundation | Private Grantmaking | $244,055,492 | Los Angeles | 1982 |
| Oprah Winfrey Charitable Foundation | Private Independent | $236,459,881 | West Hollywood | 2010 |
| Rosalinde & Arthur Gilbert Foundation | Private Independent | $231,517,293 | Santa Monica | 2003 |
| Merkin Family Foundation | Private Independent | $228,667,698 | Marina del Rey | 2004 |
| Name | Type | Total Assets* | Location | Tax-Exempt Since |
| Cotsen Foundation for the Art of Teaching | Private Grantmaking | $227,949,888 | Los Angeles | 1985 |
| The Chan Soon-Shion Family Foundation | Private Grantmaking | $220,943,500 | Culver City | 2010 |
| Dart-L Foundation | Private Grantmaking | $211,916,353† | Los Angeles | 2017 |
| David Hockney Foundation Inc | Private Grantmaking | $210,476,556 | Los Angeles | 2010 |
| Smidt Foundation | Private Grantmaking | $209,740,330 | Calabasas | 2017 |
| Name | Type | Total Assets* | Location | Tax-Exempt Since |
| Karsh Family Foundation | Private Grantmaking | $194,281,082† | Beverly Hills | 1999 |
| LA84 Foundation | Private Independent | $190,219,767 | Los Angeles | 1990 |
| Carrie Estelle Doheny Foundation | Private Grantmaking | $183,326,727 | Los Angeles | 2006 |
| Otis Booth Foundation | Private Grantmaking | $181,808,442 | Los Angeles | 1967 |
| JHM Charitable Foundation | Private Grantmaking | $180,988,173 | Manhattan Beach | 2012 |
| Name | Type | Total Assets* | Location | Tax-Exempt Since |
| Carl & Roberta Deutsch Foundation | Private Independent | $179,490,057 | Santa Monica | 2002 |
| Colburn Foundation | Private Independent | $176,145,907 | Los Angeles | 1999 |
| Fletcher Jones Foundation | Private Grantmaking | $171,018,850 | Pasadena | 1969 |
| Michelson Medical Research Foundation Inc | Private Grantmaking | $153,609,395 | Los Angeles | 1996 |
| Colburn Music Fund | Music | $146,867,171 | Los Angeles | 2000 |
| Name | Type | Total Assets* | Location | Tax-Exempt Since |
| Wallis Annenberg Legacy Foundation | Private Independent | $145,562,173 | Los Angeles | 2011 |
| Wasserman Foundation | Private Grantmaking | $142,881,526 | Los Angeles | 1957 |
| Roy & Patricia Disney Family Foundation | Private Independent | $140,930,030 | Burbank | 2016 |
| Johnny Carson Foundation | Private Grantmaking | $138,749,732 | Encino (Los Angeles) | 2006 |
| The Green Foundation | Private Grantmaking | $137,803,464 | Pasadena | 1995 |
| Name | Type | Total Assets* | Location | Tax-Exempt Since |
| Fritz B Burns Foundation | Specifically Named Disease | $131,479,874 | Woodland Hills (Los Angeles) | 1995 |
| Angell Foundation | Private Grantmaking | $129,849,291 | Los Angeles | 2003 |
| Broad Reach Foundation | Private Grantmaking | $127,755,130 | Los Angeles | 2001 |
| The Eisner Foundation Inc | Private Grantmaking | $126,400,447 | Beverly Hills | 1996 |
| James G Boswell Foundation | Private Grantmaking | $125,201,679 | Pasadena | 1948 |
| Name | Type | Total Assets* | Location | Tax-Exempt Since |
| Marion & John E Anderson Foundation | Private Grantmaking | $121,107,597‡ | Los Angeles | 1986 |
| Chuck Lorre Family Foundation | Private Independent | $115,990,283 | Los Angeles | 2000 |
| Max H Gluck Foundation Inc | Private Grantmaking | $114,790,781 | Sherman Oaks (Los Angeles) | 1985 |
| Hoag Foundation | Private Grantmaking | $113,334,965 | Burbank | 1991 |
| Lowell Milken Family Foundation | Private Grantmaking | $111,901,243 | Santa Monica | 1987 |
| Name | Type | Total Assets* | Location | Tax-Exempt Since |
| William Lawrence & Blanche Hughes Foundation | Private Grantmaking | $107,970,056† | Agoura Hills | 1997 |
| Edgerton Foundation | Private Grantmaking | $107,143,080 | Los Angeles | 2001 |
| The Goldrich Family Foundation | Private Grantmaking | $105,190,248 | Culver City | 1988 |
| Shapell Guerin Family Foundation | Private Grantmaking | $102,794,043 | Beverly Hills | 1961 |
| Archstone Foundation | Group Health Practice (Health Maintenance Organization) | $102,165,257 | Burbank | 1987 |
| Name | Type | Total Assets* | Location | Tax-Exempt Since |
| Frederick R Weisman Art Foundation | Fund Raising / Fund Distribution | $101,746,130 | Los Angeles | 1994 |
| The Milken Family Foundation | Private Grantmaking | $99,205,599 | Santa Monica | 1998 |
* Book value of Total Assets for 2019, except where noted.
† Asset data are for 2018.
‡ Asset data are for 2016.
Sources:
Open 990;
990 Finder (Foundation Center);
ProPublica Non-Profits Explorer;
Almanac Research
