Bill Nygren runs Harris / Oakmark, an asset manager overseeing $78.81B in disclosed equity holdings (SEC CIK 0000813917). The latest portfolio (2025Q4) discloses 167 positions across 10 sectors, with the largest positions in GOOGL, COF and CRM. On a mark-to-market basis the tracked portfolio has returned 17.7% over the past year. OpenStocks tracks 40 consecutive quarterly snapshots for this manager — every position change, new entry, and exit is logged below.