MASSACHUSETTS FINANCIAL SERVICES CO /MA/ is an institutional investment manager that files quarterly 13F reports with the SEC. As of Q4 2025, the fund manages $310.1B in reported equity holdings across 916 positions. The largest holdings are MSFT (4.2%), NVDA (4.0%), GOOG (2.5%), AAPL (2.4%), AMZN (2.1%). The portfolio is concentrated in Other (80.2%), Communication Services (4.2%), Financial Services (4.0%). Data sourced from SEC EDGAR 13F filings (CIK 912938).