BlackRock, Inc. Increases Stake in Ecovyst Inc. to 7.7% (Amendment No. 2)

On April 24, 2026, BlackRock, Inc. filed a Schedule 13G/A with the SEC, reporting a significant increase in its position in Ecovyst Inc. (ECVT). As of the event date on March 31, 2026, BlackRock beneficially owns 8,526,153 shares of Ecovyst's common stock, representing 7.7% of the total shares outstanding. This filing serves as Amendment No. 2, updating their previous holdings from a reported 0.0% to the current 7.7% stake. BlackRock reported sole voting power over 8,351,981 shares and sole dispositive power over the full 8,526,153 shares. The filing indicates that the securities were acquired in the ordinary course of business and are not held for the purpose of influencing or changing the control of the issuer. Various subsidiaries under BlackRock, Inc. are involved in the ownership structure, though no single person's interest exceeds 5% of the total outstanding shares. The reporting person is classified as a parent holding company.