Security Snapshot

Metallus Inc. - Common Stock (MTUS) Institutional Ownership

CUSIP: 887399103

13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026

Latest Period

Q4 2025

Institutions Reporting

195

Shares (Excl. Options)

34,963,674

Price

$17.16

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Type / Class
Equity / Common Stock
Symbol
MTUS on NYSE
Shares outstanding
41,800,466
Price per share
$16.34
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
34,963,674
Total reported value
$600,220,640
% of total 13F portfolios
0%
Share change
-199,459
Value change
-$2,623,152
Number of holders
195
Price from insider filings
$16.34
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Quick Takeaways

  • MTUS - Metallus Inc. - Common Stock is tracked under CUSIP 887399103.
  • 195 institutions reported positions in Q4 2025.
  • 3 significant owners is listed from Schedule 13D/13G reporting.

What Changed

  • Holder count moved from 195 to 79 between Q4 2025 and Q1 2026.
  • Reported value moved from $600,220,640 to $106,408,963.

Why This Matters

  • 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.

Source Evidence

Source: SEC Form 13F

Latest holder context comes from 195 institutions filings for Q4 2025.

Open SEC Evidence

Investment Quick Answers

What is CUSIP 887399103?
CUSIP 887399103 identifies MTUS - Metallus Inc. - Common Stock in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.

Significant Owners of Metallus Inc. - Common Stock (MTUS) based on Schedule 13D/G filings

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 5.5% +14% $30,473,388 +$3,613,368 2,308,590 +13% STATE STREET CORPORATION 31 Mar 2025

As of 31 Dec 2025, 195 institutional investors reported holding 34,963,674 shares of Metallus Inc. - Common Stock (MTUS). This represents 84% of the company’s total 41,800,466 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Metallus Inc. - Common Stock (MTUS) together control 70% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 16% 6,740,920 +3% 0% $115,674,186
VANGUARD GROUP INC 6.9% 2,880,168 +0.71% 0% $49,423,684
DIMENSIONAL FUND ADVISORS LP 6.2% 2,581,276 -4% 0.01% $44,295,170
STATE STREET CORP 5.5% 2,318,844 -9.3% 0% $39,791,363
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 4.7% 1,980,451 +2.4% 0.05% $33,984,986
AMERICAN CENTURY COMPANIES INC 3.8% 1,568,361 +1.9% 0.01% $26,913,075
SYSTEMATIC FINANCIAL MANAGEMENT LP 3.3% 1,390,072 -1.6% 0.56% $23,853,660
RENAISSANCE TECHNOLOGIES LLC 2.5% 1,059,033 +9.3% 0.03% $18,173,006
DONALD SMITH & CO., INC. 2.3% 963,671 +50% 0.31% $16,536,594
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 2.1% 881,941 +17% 0% $15,134,108
ROYCE & ASSOCIATES LP 2.1% 863,170 +2.9% 0.15% $14,811,997
GEODE CAPITAL MANAGEMENT, LLC 2.1% 859,982 -1% 0% $14,759,988
AMERIPRISE FINANCIAL INC 1.5% 646,792 +0.08% 0% $11,098,951
TOWLE & CO 1.3% 549,389 +3.5% 2.5% $9,427,515
Invesco Ltd. 1.2% 496,150 +72% 0% $8,513,935
Azarias Capital Management, L.P. 1.2% 484,811 -15% 3.6% $8,319,357
OpenArc Corporate Advisory, LLC 0.98% 409,414 0% 0.12% $7,025,544
MORGAN STANLEY 0.93% 387,880 +3.4% 0% $6,656,037
NORTHERN TRUST CORP 0.89% 373,620 -5.5% 0% $6,411,319
NOMURA ASSET MANAGEMENT INTERNATIONAL INC. 0.85% 355,606 0% 0.01% $6,102,000
CSM Advisors, LLC 0.78% 325,080 +22% 0.15% $5,577,000
South Dakota Investment Council 0.75% 311,837 -12% 0.1% $5,351,000
GOLDMAN SACHS GROUP INC 0.68% 286,333 -9.4% 0% $4,913,474
VAN ECK ASSOCIATES CORP 0.68% 284,605 +99% 0% $4,884,000
Ballast Asset Management, LP 0.67% 279,412 -3.4% 2.3% $4,794,710

Institutional Holders of Metallus Inc. - Common Stock (MTUS) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 6,506,092 $106,408,963 +$16,334,232 $16.34 79
2025 Q4 34,963,674 $600,220,640 -$2,623,152 $17.16 195
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
2020 Q1 27,677,680 $89,385,453 -$23,294,761 $3.23 118
2019 Q4 31,722,818 $249,264,009 +$673,402 $7.86 131
2019 Q3 30,875,429 $194,172,490 -$5,599,206 $6.29 144
2019 Q2 31,565,515 $256,554,553 -$14,694,258 $8.13 145
2019 Q1 33,553,329 $364,404,394 -$5,956,873 $10.86 138
2018 Q4 34,114,902 $298,116,907 -$5,987,474 $8.74 139
2018 Q3 34,602,052 $514,406,777 +$13,848,027 $14.87 136
2018 Q2 33,613,505 $549,601,092 -$2,102,201 $16.35 155
2018 Q1 33,818,695 $513,768,303 +$8,828,396 $15.19 159
2017 Q4 33,292,305 $505,711,139 +$12,880,198 $15.19 164
2017 Q3 32,003,057 $527,941,422 -$21,136,822 $16.50 162
2017 Q2 33,676,779 $517,631,090 -$3,129,284 $15.37 157
2017 Q1 33,559,989 $634,459,835 +$141,976,291 $18.91 175
2016 Q4 30,827,979 $477,214,413 +$33,152,217 $15.48 172
2016 Q3 28,797,986 $300,413,165 +$13,935,747 $10.45 154
2016 Q2 27,812,509 $267,519,228 +$25,475,226 $9.62 171
2016 Q1 25,439,959 $231,465,984 -$19,205,107 $9.10 163
2015 Q4 27,723,725 $232,259,338 -$59,306,859 $8.38 151
2015 Q3 33,347,442 $337,572,515 -$38,929,596 $10.12 156
2015 Q2 33,095,905 $893,041,811 +$56,114,715 $26.99 178
2015 Q1 31,049,889 $822,518,966 -$57,116,678 $26.47 190
2014 Q4 32,235,377 $1,192,389,388 -$75,805,790 $37.03 215
2014 Q3 33,785,033 $1,570,585,681 +$1,559,391,562 $46.49 221
2014 Q2 161,838 $6,201,000 +$6,201,000 $38.54 5
2014 Q1 100 $2,647 $26.47 1
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