MASSACHUSETTS FINANCIAL SERVICES CO /MA/ is an institutional investment manager that files quarterly 13F reports with the SEC. As of Q1 2026, the fund manages $297.5B in reported equity holdings across 946 positions. The largest holdings are NVDA (3.9%), MSFT (3.6%), AAPL (2.6%), GOOG (2.3%), AMZN (2.2%). The portfolio is concentrated in Other (80.7%), Financial Services (4.0%), Communication Services (3.7%). Data sourced from SEC EDGAR 13F filings (CIK 912938).