East Setauket billionaire Jim Simons, the former Stony Brook University professor who founded the hedge fund Renaissance Technologies, saw his net worth rise by $1 billion in the past year, according to a report published Monday in Newsday.
His $12 billion net worth landed him at No. 34 on the annual Forbes list of the wealthiest Americans, down six spots from No. 28 last year as many of the 400 wealthiest Americans also saw their fortunes grow. Simons remains the wealthiest person on Long Island, Newsday reported.