$MTUS

$21.13 +$0.75 (3.68%) Close

$MTUS Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 41.4M shares outstanding

Who owns MTUS?

By type of holder

Institutions 86.0% Insiders 14.0% Everyone else 0.0%

Concentration Top 10 holders own 48.4%

BlackRock, Inc. 14.1% · State Street Corp 5.8%

Institutional ownership

86.0%

-0.5 pts vs last qtr

Institutional holders

200

-4 vs last qtr

Net shares bought

−214.7K

by institutions in Q2 2026

New / sold out

26 / 30

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Acadian Asset Management LLC +624.4K
Citadel Advisors LLC +227.9K

Biggest sellers in Q2 2026

Donald Smith & Co., Inc. −463.2K
State Street Corp −387.1K

Who is planning to sell?

Notices of proposed sale, last 12 months

$3.99M

6 notices from 4 people

Shares covered

187.8K

0.45% of the company

Arranged in advance

100%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Williams Michael S Officer 10b5-1 $2.23M
Michael Williams Officer 10b5-1 $1.33M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

−5.2%

−0.59% a year

Each share's claim on the business

+5.5%

grew without buying or selling a share

Spent on buybacks vs paid in stock

$135M vs $90.8M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years72% 3–5 years3% 1–3 years12% Under 1 year12%

Quarterly turnover

7.7%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting MTUS on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	5.8M	14.06%	+171.3K (+3.0%)	≤2021	0.0%
Shares held by quarter Peak holding7.7M (Q4'24) Change over 8 quarters−1.7M Share of the company14.060% BlackRock, Inc.'s full portfolio →
SS State Street Corp	2.4M	5.82%	−387.1K (−13.8%)	≤2021	0.0%
Shares held by quarter Peak holding2.8M (Q1'26) Change over 8 quarters+224.8K Share of the company5.820% State Street Corp's full portfolio →

BlackRock, Inc.

5.8M

% of company

14.06%

Change vs last qtr

+171.3K (+3.0%)

Held since

≤2021

State Street Corp

2.4M

% of company

5.82%

Change vs last qtr

−387.1K (−13.8%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Metallus Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting MTUS on Form N-PORT; together they hold 47.7% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Small-Cap ETF iShares Trust	$40.3M	2.2M	5.20%	0.04%	June 30, 2026
GX Global X U.S. Infrastructure Development ETF Global X Funds	$36M	1.8M	4.42%	0.27%	May 31, 2026

iShares Core S&P Small-Cap ETF

iShares Trust

Position value

$40.3M

% of company

5.20%

% of the fund

0.04%

As of

June 30, 2026

Global X U.S. Infrastructure Development ETF

Global X Funds

Position value

$36M

% of company

4.42%

% of the fund

0.27%

As of

May 31, 2026

23 more funds behind a free account

See every fund holding Metallus Inc and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
WM Williams Michael S Insider	709.9K	1.71%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company1.710% Williams Michael S's insider activity →
WK Westbrooks Kristopher R Insider	214.1K	0.52%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.520% Westbrooks Kristopher R's insider activity →

Williams Michael S

Insider

709.9K

% of company

1.71%

Change vs last qtr

—

Held since

—

Westbrooks Kristopher R

Insider

214.1K

% of company

0.52%

Change vs last qtr

—

Held since

—

14 more holders behind a free account

See every insider and 5%+ holder of Metallus Inc.

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