Longview Partners runs Guernsey, an asset manager overseeing $9.58B in disclosed equity holdings (SEC CIK 0001426092). The latest portfolio (2025Q4) discloses 23 positions across 6 sectors, with the largest positions in GOOGL, IQV and MCO. On a mark-to-market basis the tracked portfolio has returned 9.4% over the past year. OpenStocks tracks 40 consecutive quarterly snapshots for this manager — every position change, new entry, and exit is logged below.