Rock Group tracks 87 institutional investment managers through their SEC Form 13F filings, covering $39.07T of reported equity positions as of Q2 2026. Each page below lists the manager’s ten largest reported positions and its portfolio concentration.
Form 13F is filed quarterly by managers with at least $100M in qualifying US equity assets, and is due 45 days after quarter end.
Open the Fund Tracker dashboard for full filings, quarter-over-quarter position changes and cross-fund security search, or read the documentation for what Form 13F does and does not disclose. ETF portfolios are covered separately in ETF X-Ray.