David Geffen owns $1.1 billion worth of art. Net worth: $5.5 billion. % net worth invested in art: 20%. Geffen is the founder of DreamWorks Animation. He’s a collector of American artists and reportedly sold four pieces of his contemporary art collection for an estimated $421 million in 2006. They included “Number 5, 1948” by Jackson Pollock for $140 million and “Woman III” by Willem De Kooning for $137.5 million, according to Wealth-X.