Sachem Head Capital Management LP Reports New 5.46% Stake in Sotera Health Co (SHC)

On May 15, 2026, Sachem Head Capital Management LP filed a Schedule 13G indicating a new 5.46% stake in Sotera Health Co (SHC). The filing reports the beneficial ownership of 15,560,000 shares of Common Stock. This position is held collectively by several reporting persons, including Sachem Head Capital Management LP, Uncas GP LLC, Sachem Head GP LLC, and Scott D. Ferguson. Sachem Head Capital Management serves as the investment advisor to affiliated funds, including Sachem Head LP and Sachem Head Master LP, while Scott D. Ferguson serves as the managing partner and managing member of the involved entities. The reporting persons share voting and dispositive power over the shares. The percentage of ownership is based on 285,166,994 shares of Common Stock outstanding as of May 5, 2026. The filing includes a certification that the securities were not acquired for the purpose of changing or influencing the control of the issuer. This initial filing establishes Sachem Head as a significant institutional shareholder in Sotera Health Co.