Latest Period
Q2 2026
Security Snapshot
Metallus Inc. - COMMON STOCK (MTUS) Institutional Ownership
CUSIP: 887399103
13F Institutional Holders and Ownership History from Q1 2014 to Q2 2026
Institutions Reporting
137
Shares (Excl. Options)
22,407,187
Price
$18.69
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- Security type / class
- Equity / COMMON STOCK
- Symbol
- MTUS on NYSE
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 22,407,187
- Total 13F value
- $418,791,776
- Portfolio coverage rank
- 0%
- Share change
- -281,322
- Value change
- -$4,897,462
- Number of holders
- 137
- Shares outstanding
- 41,780,209
- SEC-reported price per share
- $18.69
- Insider filing price
- $18.69
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- MTUS - Metallus Inc. - COMMON STOCK is tracked under CUSIP 887399103.
- 137 institutions reported positions in Q2 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 204 to 137 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $586,182,563 to $418,791,776.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 137 institutions filings for Q2 2026.
Security key
887399103
Latest holder period
Q2 2026
13F holders
137
13D/G owners
3
CIK / CUSIP context first
Open Q2 2026 holders
MTUS full holder history
Metallus Inc. SEC filings
Metallus Inc. company facts
Metallus Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 887399103:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
3
Security
MTUS
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13% | -13% | $89,475,569 | -$13,833,379 | 5,475,861 | -13% | BlackRock, Inc. | 31 Mar 2026 |
| DIMENSIONAL FUND ADVISORS LP | 6.8% | $37,746,562 | 2,859,588 | Dimensional Fund Advisors LP | 31 Mar 2025 | |||
| STATE STREET CORP | 6.7% | +20% | $45,740,137 | +$8,017,777 | 2,799,274 | +21% | STATE STREET CORPORATION | 31 Mar 2026 |
As of 30 Jun 2026, 137 institutional investors reported holding 22,407,187 shares of Metallus Inc. - COMMON STOCK (MTUS). This represents 54% of the company’s total 41,780,209 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
68%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 14% | 5,828,871 | +3% | 0% | $108,941,597 |
| DIMENSIONAL FUND ADVISORS LP | 6.1% | 2,563,222 | +0.57% | 0.01% | $47,907,336 |
| STATE STREET CORP | 5.8% | 2,412,194 | -14% | 0% | $45,083,906 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 4.8% | 2,007,353 | +8.9% | 0.04% | $37,517,938 |
| AMERICAN CENTURY COMPANIES INC | 4% | 1,674,270 | +0.8% | 0.01% | $31,292,106 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.8% | 1,566,944 | +0.5% | 0% | $29,286,183 |
| SYSTEMATIC FINANCIAL MANAGEMENT LP | 3.4% | 1,431,402 | +5.1% | 0.53% | $26,752,929 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2.6% | 1,066,248 | -0.74% | 0% | $19,928,175 |
| ROYCE & ASSOCIATES LP | 2.4% | 988,434 | +3.9% | 0.15% | $18,473,831 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.2% | 929,925 | +5.8% | 0% | $17,383,696 |
| RENAISSANCE TECHNOLOGIES LLC | 2.2% | 905,633 | -11% | 0.02% | $16,926,281 |
| AMERIPRISE FINANCIAL INC | 1.7% | 726,328 | +12% | 0% | $13,575,070 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.6% | 675,374 | -17% | 0% | $12,622,740 |
| ACADIAN ASSET MANAGEMENT LLC | 1.5% | 638,533 | +4410% | 0.01% | $11,918,000 |
| DONALD SMITH & CO., INC. | 1.5% | 608,595 | -43% | 0.2% | $11,374,641 |
| OpenArc Corporate Advisory, LLC | 1.4% | 566,045 | +3.7% | 0.13% | $10,579,381 |
| TWO SIGMA INVESTMENTS, LP | 1.3% | 536,457 | -2.6% | 0.01% | $10,026,381 |
| MORGAN STANLEY | 1.2% | 513,897 | +17% | 0% | $9,604,757 |
| Invesco Ltd. | 1.1% | 473,856 | -3.7% | 0% | $8,856,369 |
| CITADEL ADVISORS LLC | 1.1% | 462,261 | +97% | 0% | $8,639,659 |
| GOLDMAN SACHS GROUP INC | 1% | 430,455 | +30% | 0% | $8,045,204 |
| Azarias Capital Management, L.P. | 1% | 419,507 | -23% | 3.4% | $7,840,586 |
| NORTHERN TRUST CORP | 0.98% | 407,644 | +6.1% | 0% | $7,618,866 |
| CSM Advisors, LLC | 0.92% | 386,007 | +19% | 0.15% | $7,214,000 |
| EMERALD ADVISERS, LLC | 0.88% | 366,351 | -2.6% | 0.16% | $6,847,100 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
50
Latest
Q2 2026
Rows shown
1-25 of 50
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 22,407,187 | $418,791,776 | -$4,897,462 | $18.69 | 137 |
| 2026 Q1 | 35,865,976 | $586,182,563 | +$15,262,851 | $16.34 | 204 |
| 2025 Q4 | 34,963,740 | $600,221,773 | -$3,548,501 | $17.16 | 196 |
| 2025 Q3 | 34,386,262 | $568,477,333 | -$15,535,834 | $16.53 | 192 |
| 2025 Q2 | 35,409,432 | $545,758,019 | -$4,684,449 | $15.41 | 179 |
| 2025 Q1 | 35,838,258 | $478,909,762 | +$13,716,276 | $13.36 | 178 |
| 2024 Q4 | 34,702,284 | $490,321,505 | -$12,979,384 | $14.13 | 177 |
| 2024 Q3 | 35,435,190 | $525,378,105 | -$16,666,123 | $14.83 | 173 |
| 2024 Q2 | 35,420,707 | $718,063,275 | -$6,043,421 | $20.27 | 189 |
| 2024 Q1 | 34,747,559 | $770,185,326 | +$16,783,017 | $22.25 | 198 |
| 2023 Q4 | 33,960,569 | $796,358,555 | +$7,507,971 | $23.45 | 186 |
| 2023 Q3 | 33,622,809 | $730,274,572 | -$3,229,012 | $21.72 | 183 |
| 2023 Q2 | 33,884,779 | $730,819,056 | -$19,582,842 | $21.57 | 177 |
| 2023 Q1 | 34,853,503 | $639,274,675 | -$2,236,146 | $18.34 | 176 |
| 2022 Q4 | 35,418,700 | $643,605,076 | -$7,794,660 | $18.17 | 185 |
| 2022 Q3 | 36,233,935 | $543,239,279 | -$18,372,595 | $14.99 | 184 |
| 2022 Q2 | 36,820,239 | $689,328,803 | -$1,639,593 | $18.71 | 198 |
| 2022 Q1 | 37,254,319 | $815,969,793 | +$51,206,617 | $21.88 | 205 |
| 2021 Q4 | 35,156,388 | $579,460,218 | +$452,637 | $16.50 | 182 |
| 2021 Q3 | 35,156,184 | $459,908,926 | +$7,321,845 | $13.08 | 169 |
| 2021 Q2 | 34,519,261 | $488,404,328 | +$31,706,551 | $14.15 | 164 |
| 2021 Q1 | 32,402,098 | $380,706,273 | +$69,474,737 | $11.75 | 144 |
| 2020 Q4 | 27,745,507 | $129,597,217 | +$4,528,480 | $4.67 | 121 |
| 2020 Q3 | 26,796,685 | $95,138,614 | -$5,226,495 | $3.55 | 118 |
| 2020 Q2 | 28,094,415 | $109,264,225 | +$2,027,188 | $3.89 | 120 |