- S1970-1971 #101: California State University, Sacramento/Sam Payen (March 12, 1971–May 25, 1971)62 objects
- S2017-2018 #8: Anthropology (UC Berkeley)/Gabriel Sanchez (June 11, 2018–March 1, 2022)56 objects
- S1977-1978 #3: Anthropology (UC Berkeley)/Colin L. Busby (August 3, 1977–August 4, 1977)42 objects
- S1958-1959 #1: California Academy of Sciences/Alan E. Leviton (April 8, 1958–1958)39 objects
- S2010-2011 #10: Department of Anthropology (Univ. of Utah)/Jack Broughton (dates unknown)38 objects
- S2012-2013 #5: Anthropology (UC Berkeley)/Jun Sunseri (September 6, 2012–June 3, 2021)34 objects
- S1969-1970 #119: University of California, Davis/Jerald Jay Johnson (April 24, 1970–November 8, 1971)27 objects
- S2011-2012 #6c: Anthropology (UC Berkeley)/Jun Sunseri (October 5, 2011–unknown)27 objects
- S1992-1993 #29: Burke Museum of Natural History & Culture/Jack Broughton (June 1993–October 8, 1996)26 objects
- S1971-1972 #82: Zoology Department (UC Berkeley)/Robert Fleming Heizer (October 10, 1971–May 25, 1972)25 objects
- S1985-1986 #37: State Archaeology Lab/Peter Schultz (May 7, 1986–June 12, 1986)23 objects
- S1978-1979 #31: San Bernardino County Museum/Robert E. Reynolds (1978–June 14, 1979)21 objects
- S2002-2003 #14: Pacific Legacy, Inc./Thomas L. Jackson (February 21, 2003–February 21, 2004)15 objects
- S1988-1989 #13: Anthropology (UC Berkeley)/Tom Wake (October 5, 1988–September 1989)11 objects
- S1991-1992 #7: California State University, East Bay (September 27, 1991–June 7, 1999)10 objects
- S1972-1973 #102: Anthropology (UC Berkeley)/George Miller (May 31, 1973–September 6, 1974)9 objects
- S1989-1990 #20: University of Washington/Donald Grayson (June 13, 1990–March 31, 1992)7 objects
- S2011-2012 #6a: Anthropology (UC Berkeley)/Jun Sunseri (October 20, 2011–November 1, 2011)7 objects
- S2011-2012 #6b: Anthropology (UC Berkeley)/Jun Sunseri (March 6, 2012–March 6, 2013)7 objects
- S1993-1994 #21: California State University, Chico/Turhon Murad (July 12, 1994–May 4, 1998)5 objects