Carl Icahn, an activist overseeing $8.45B in disclosed equity holdings (SEC CIK 0000921669). The latest portfolio (2025Q4) discloses 13 positions across 7 sectors, with the largest positions in IEP, CVI and SWX. On a mark-to-market basis the tracked portfolio has returned 11.5% over the past year. OpenStocks tracks 40 consecutive quarterly snapshots for this manager — every position change, new entry, and exit is logged below.