Wellington Management, an asset manager overseeing $570.66B in disclosed equity holdings (SEC CIK 0000902219). The latest 13F filing (2025Q4) discloses 1874 positions across 11 sectors, with the largest positions in NVDA, MSFT and AAPL. On a mark-to-market basis the tracked portfolio has returned 133.6% since 2016Q1. OpenStocks tracks 40 consecutive 13F filings for this manager — every position change, new entry, and exit is logged below.