 Stewart briefly led the U.S. Open in 1986 during the back-nine of the final round at Shinnecock Hills.After birdieing the 11th and 12th, Stewart took a one-shot lead, but he then had bogeys at the 13th and 14th, finishing the tournament tied for sixth place, behind the winner Raymond Floyd.Stewart had four runner-up finishes on the PGA Tour in 1986.