Security Snapshot

Metallus Inc. - COMMON STOCK (MTUS) Institutional Ownership

CUSIP: 887399103

13F Institutional Holders and Ownership History from Q1 2014 to Q2 2026

Latest Period

Q2 2026

Institutions Reporting

200

Shares (Excl. Options)

35,632,928

Price

$18.69

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
-133,261
Value change
-$558,195
Number of holders
200
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
41,780,209
SEC-reported price per share
$18.69
Insider filing price
$18.69
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • MTUS - Metallus Inc. - COMMON STOCK is tracked under CUSIP 887399103.
  • 200 institutions reported positions in Q2 2026.
  • 3 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 204 to 200 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from $586,182,563 to $665,851,861.

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

Latest holder context comes from 200 institutions filings for Q2 2026.

Open SEC evidence

Security key

887399103

Latest holder period

Q2 2026

13F holders

200

13D/G owners

3

CIK / CUSIP context first

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, 200 institutional investors reported holding 35,632,928 shares of Metallus Inc. - COMMON STOCK (MTUS). This represents 85% 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 35,632,928 $665,851,861 -$558,195 $18.69 200
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
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