MTUS Metallus Inc.
Metallus Inc. (MTUS) Institutional Ownership
What the institutions did with MTUS last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| BlackRock, Inc. | 5.8M | 16.3% |
| DIMENSIONAL FUND ADVISORS LP | 2.6M | 7.2% |
| STATE STREET CORP | 2.4M | 6.8% |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 2.0M | 5.6% |
| AMERICAN CENTURY COMPANIES INC | 1.7M | 4.7% |
| VANGUARD CAPITAL MANAGEMENT LLC | 1.6M | 4.4% |
| SYSTEMATIC FINANCIAL MANAGEMENT LP | 1.4M | 4.0% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1.1M | 3.0% |
| ROYCE & ASSOCIATES LP | 988.4K | 2.8% |
| GEODE CAPITAL MANAGEMENT, LLC | 929.9K | 2.6% |
| RENAISSANCE TECHNOLOGIES LLC | 905.6K | 2.5% |
| AMERIPRISE FINANCIAL INC | 726.3K | 2.0% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 675.4K | 1.9% |
| ACADIAN ASSET MANAGEMENT LLC | 638.5K | 1.8% |
| DONALD SMITH & CO., INC. | 608.6K | 1.7% |
| OpenArc Corporate Advisory, LLC | 566.0K | 1.6% |
| TWO SIGMA INVESTMENTS, LP | 536.5K | 1.5% |
| MORGAN STANLEY | 513.9K | 1.4% |
| Invesco Ltd. | 473.9K | 1.3% |
| CITADEL ADVISORS LLC | 462.3K | 1.3% |
| GOLDMAN SACHS GROUP INC | 430.5K | 1.2% |
| Azarias Capital Management, L.P. | 419.5K | 1.2% |
| NORTHERN TRUST CORP | 407.6K | 1.1% |
| CSM Advisors, LLC | 386.0K | 1.1% |
| EMERALD ADVISERS, LLC | 366.4K | 1.0% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| ACADIAN ASSET MANAGEMENT LLC | Increased | 14.2K | 638.5K | +624.4K |
| DONALD SMITH & CO., INC. | Reduced | 1.1M | 608.6K | -463.2K |
| STATE STREET CORP | Reduced | 2.8M | 2.4M | -387.1K |
| JANE STREET GROUP, LLC | Sold Out | 315.7K | 0 | -315.7K |
| CITADEL ADVISORS LLC | Increased | 234.3K | 462.3K | +227.9K |
| BlackRock, Inc. | Increased | 5.7M | 5.8M | +171.3K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | Increased | 1.8M | 2.0M | +163.9K |
| Nuveen, LLC | Increased | 81.4K | 239.6K | +158.2K |
| SEI INVESTMENTS CO | Reduced | 287.6K | 145.2K | -142.5K |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Reduced | 811.5K | 675.4K | -136.1K |
| Azarias Capital Management, L.P. | Reduced | 543.3K | 419.5K | -123.8K |
| MILLENNIUM MANAGEMENT LLC | Reduced | 133.3K | 10.3K | -123.0K |
| Manatuck Hill Partners, LLC | Sold Out | 114.0K | 0 | -114.0K |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 1.0M | 905.6K | -113.9K |
| GOLDMAN SACHS GROUP INC | Increased | 330.3K | 430.5K | +100.2K |
| Bastion Asset Management Inc. | Sold Out | 83.4K | 0 | -83.4K |
| XTX Topco Ltd | Sold Out | 76.9K | 0 | -76.9K |
| AMERIPRISE FINANCIAL INC | Increased | 650.2K | 726.3K | +76.1K |
| MORGAN STANLEY | Increased | 440.1K | 513.9K | +73.8K |
| D. E. Shaw & Co., Inc. | Increased | 69.0K | 141.3K | +72.3K |
| Covestor Ltd | Reduced | 103.3K | 33.6K | -69.7K |
| SYSTEMATIC FINANCIAL MANAGEMENT LP | Increased | 1.4M | 1.4M | +69.6K |
| CSM Advisors, LLC | Increased | 323.5K | 386.0K | +62.5K |
| Skylands Capital, LLC | Reduced | 220.5K | 158.8K | -61.7K |
| HRT FINANCIAL LP | Sold Out | 59.6K | 0 | -59.6K |
| Atom Investors LP | Increased | 12.8K | 71.9K | +59.1K |
| South Dakota Investment Council | Reduced | 241.5K | 186.6K | -54.9K |
| UBS Group AG | Increased | 68.7K | 121.3K | +52.6K |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 879.0K | 929.9K | +50.9K |
| CastleKnight Management LP | New | 0 | 50.3K | +50.3K |
| INCEPTIONR LLC | Sold Out | 49.4K | 0 | -49.4K |
| ExodusPoint Capital Management, LP | Increased | 48.3K | 95.5K | +47.3K |
| Balyasny Asset Management L.P. | Increased | 22.8K | 68.8K | +46.0K |
| Y-Intercept (Hong Kong) Ltd | New | 0 | 44.8K | +44.8K |
| EMERALD MUTUAL FUND ADVISERS TRUST | Reduced | 237.9K | 197.0K | -40.9K |
| BOOTHBAY FUND MANAGEMENT, LLC | Sold Out | 40.7K | 0 | -40.7K |
| ROYCE & ASSOCIATES LP | Increased | 951.7K | 988.4K | +36.7K |
| Jump Financial, LLC | Sold Out | 36.5K | 0 | -36.5K |
| Qube Research & Technologies Ltd | New | 0 | 33.0K | +33.0K |
| AQR CAPITAL MANAGEMENT LLC | Increased | 57.7K | 83.9K | +26.3K |
| Squarepoint Ops LLC | Increased | 22.4K | 46.4K | +24.0K |
| NORTHERN TRUST CORP | Increased | 384.3K | 407.6K | +23.4K |
| Dynamic Technology Lab Private Ltd | New | 0 | 21.3K | +21.3K |
| Fisher Asset Management, LLC | Increased | 71.9K | 93.2K | +21.3K |
| Steward Partners Investment Advisory, LLC | New | 0 | 20.7K | +20.7K |
| OpenArc Corporate Advisory, LLC | Increased | 545.7K | 566.0K | +20.4K |
| ALGERT GLOBAL LLC | New | 0 | 18.3K | +18.3K |
| Invesco Ltd. | Reduced | 492.1K | 473.9K | -18.3K |
| Quadrature Capital Ltd | Sold Out | 18.2K | 0 | -18.2K |
| EntryPoint Capital, LLC | Increased | 22.3K | 40.0K | +17.7K |
| WELLS FARGO & COMPANY/MN | Increased | 17.0K | 34.2K | +17.2K |
| Jain Global LLC | New | 0 | 16.2K | +16.2K |
| DIMENSIONAL FUND ADVISORS LP | Increased | 2.5M | 2.6M | +14.5K |
| Quantbot Technologies LP | Sold Out | 14.5K | 0 | -14.5K |
| TWO SIGMA INVESTMENTS, LP | Reduced | 550.9K | 536.5K | -14.4K |
| CAXTON ASSOCIATES LLP | Sold Out | 13.9K | 0 | -13.9K |
| CITIGROUP INC | Increased | 5.3K | 19.1K | +13.7K |
| RHUMBLINE ADVISERS | Reduced | 104.6K | 91.0K | -13.5K |
| AMERICAN CENTURY COMPANIES INC | Increased | 1.7M | 1.7M | +13.3K |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | Reduced | 25.5K | 13.4K | -12.1K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.