BlackRock Reports 13.1% Ownership Stake in Metallus Inc (MTUS)

BlackRock, Inc. filed a Schedule 13G/A on April 24, 2026, disclosing a significant ownership stake in Metallus Inc (MTUS). As of the event date on March 31, 2026, BlackRock reported beneficial ownership of 5,475,861 shares of common stock, representing 13.1% of the company's outstanding shares. This filing marks a substantial increase from a previously reported 0% position, indicating a new major holding. BlackRock holds sole dispositive power over all 5,475,861 shares and sole voting power over 5,415,034 shares. The filing specifies that the iShares Core S&P Small-Cap ETF individually holds an interest exceeding 5% of the issuer's total outstanding common stock. The securities were acquired in the ordinary course of business, without the intent to change or influence the control of Metallus Inc. The reporting entity, headquartered in New York, operates as a parent holding company for various business units and subsidiaries involved in the investment management process.