Metallus MTUS Institutional Ownership

Ownership Summary

Metallus Inc. (NYSE:MTUS) is held by 206 institutional investors per 13F filings through March 2026.

• These investors collectively held 78.5% of Metallus's outstanding shares in March 2026, up from 77.3% in December 2025.
• Their total shares held in MTUS increased 16.64% quarter over quarter, and separately, investors owning Metallus increased 13.81% from a year ago.
• During the quarter, 100 of these 206 funds increased positions in MTUS, 65 reduced exposure, and 41 held steady.
• Combined, these investors held 35.88Mn shares in MTUS for March 2026, up by 5.12Mn shares quarter on quarter, and down 1.94Mn shares year over year.
• As of March 31, 2026, BlackRock, Inc. held the largest stake in Metallus with 5.66Mn shares, accounting for 12.37% of total shares outstanding.
• The most significant purchases of MTUS for the quarter ending March 2026 came from VANGUARD CAPITAL MANAGEMENT LLC (1.56Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (1.07Mn), State Street Corp (480.43K), TWO SIGMA INVESTMENTS, LP (417.93K), EMERALD ADVISERS, LLC (376.13K).
• Leading sellers of Metallus shares for the quarter ending March 2026 were BlackRock, Inc. (1.08Mn), NOMURA ASSET MANAGEMENT INTERNATIONAL INC. (330.08K), Goldman Sachs Group Inc (242.38K), MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. (137.01K), Royal Bank Of Canada (97.04K).
• Per Business Quant, the top 10 investors in MTUS for the quarter ending March 2026 include BlackRock, Inc. (5.66Mn), State Street Corp (2.8Mn), DIMENSIONAL FUND ADVISORS LP (2.55Mn), MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. (1.84Mn), AMERICAN CENTURY COMPANIES INC (1.66Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.56Mn), SYSTEMATIC FINANCIAL MANAGEMENT LP (1.36Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (1.07Mn), DONALD SMITH & CO., INC. (1.07Mn), RENAISSANCE TECHNOLOGIES LLC (1.02Mn).