Wellington Management is a mega-fund with a highly concentrated portfolio tilted toward communication services names. 45% of the disclosed equity book is in Communication Services.
Wellington Management, an asset manager overseeing $570.60B in disclosed equity holdings (SEC CIK 0000902219). The latest portfolio (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 132.7% since 2016Q1. OpenStocks tracks 40 consecutive quarterly snapshots for this manager — every position change, new entry, and exit is logged below.