Metallus Inc. (MTUS) Holders & Ownership

Metallus Inc. (MTUS) ownership: Ellwood Group, Inc. 14% · institutions 90% (13F 2026-03-31). Insider activity, 90 days: 0 sales, 0 open-market buys. SEC EDGAR first-party data.

Top Institutional Holders (13F, rolled up by parent)

Source: SEC Form 13F
HolderSharesMarket Value% OutstandingReported
BlackRock5657566.00$92.44M13.6%2026-03-31
Vanguard2916099.00$47.65M7.0%2026-03-31
State Street2799274.00$45.74M6.7%2026-03-31
Dimensional Fund Advisors2548720.00$41.65M6.1%2026-03-31
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.1843440.00$30.12M4.4%2026-03-31
American Century1660937.00$27.14M4.0%2026-03-31
Systematic Financial Management LP1361850.00$22.25M3.3%2026-03-31
Donald Smith & CO., Inc.1071819.00$17.51M2.6%2026-03-31

Insider Trading Activity (Form 4)

Source: SEC Form 4
InsiderTransactionValueDate
Sellnull2026-06-30
Sellnull2026-06-16
Sellnull2026-04-30
Sellnull2026-04-30
Sellnull2026-04-30
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.