Senator Investment Group LP is an institutional investment manager that files quarterly 13F reports with the SEC. As of Q2 2026, the fund manages $2.7B in reported equity holdings across 58 positions. The largest holdings are DPC (9.0%), SPY (6.7%), IWM (5.7%), UAL (5.3%), BA (5.1%). The portfolio is concentrated in Other (83.8%), Industrials (5.9%), Technology (3.7%). Data sourced from SEC EDGAR 13F filings (CIK 1443689).