Sachem Head Capital Management LP is an institutional investment manager that files quarterly 13F reports with the SEC. As of Q1 2026, the fund manages $4.2B in reported equity holdings across 19 positions. The largest holdings are TLN (11.9%), SATS (8.5%), GDS (8.4%), PRMB (7.8%), DKS (7.7%). The portfolio is concentrated in Other (86.7%), Consumer Cyclical (7.7%), Healthcare (5.6%). Data sourced from SEC EDGAR 13F filings (CIK 1582090).