$20.8 billion down 2%   Soon-Shiong’s portfolio saw a slight drop over past 12 months as the value of his stake in Culver City immunotherapy firm ImmunityBio shrank....

It was another good year for Kingston Technology, the Fountain Valley-based memory storage manufacturer that Tu co-founded and continues to share ownership of. He...

$14.4 billion up 10.8% California’s most successful farming family owns Wonderful Company, which operates retail brands POM Wonderful, Fiji Water, Wonderful Pistachios and Lewis Cellars wines....

$12.2 billion up 11% Brentwood resident Broad’s activity has continued this past year, largely via the synonymous Broad modern art museum in downtown. The 10-year-old institution...

$11.3 billion up 30% Ressler’s major gains came from Ares’ stock, which jumped 13% over the course of the last year, and from the dramatic rise...