Ticker · CUSIP 887399103

MTUS

TIMKENSTEEL CORPORATION

Basic Materials·Steel

···Share

Holders (tracked)

Combined shares

1,641,855

Combined value

$28.17M

Last close

$18.05

Quarter

2025Q4

Price is +5.2% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$18.05+5.08 (+39.17%)H $21.51 · L $11.61 · Avg Vol 367K

Position opened

Tracked holders · last 8 quarters

-2 vs previous quarter over the last 8.

SEC event timeline

14 events

Ken Griffin (Citadel Advisors) exited2026-02-17
−65,217 shares · 2025Q4
Position
Two Sigma Investments added2026-02-17
+77,353 shares · 2025Q4
Position
D.E. Shaw & Co. added2026-02-17
+13,816 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) exited2026-02-17
−186,476 shares · 2025Q4
Position
T. Rowe Price added2026-02-17
+2,117 shares · 2025Q4
Position
AQR Capital Management added2026-02-17
+22,813 shares · 2025Q4
Position
Renaissance Technologies added2026-02-12
+90,200 shares · 2025Q4
Position
Mario Gabelli (GAMCO) trimmed2026-02-05
−2,200 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) added2025-11-14
+94,737 shares · 2025Q3
Position
Two Sigma Investments trimmed2025-11-14
−19,028 shares · 2025Q3
Position
D.E. Shaw & Co. trimmed2025-11-14
−14,589 shares · 2025Q3
Position
T. Rowe Price added2025-11-14
+194 shares · 2025Q3
Position
AQR Capital Management trimmed2025-11-14
−5,500 shares · 2025Q3
Position
Renaissance Technologies added2025-11-13
+300 shares · 2025Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for MTUS →

Follow-the-investor returns

If you'd copied each holder of MTUS…

Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.

Investor	First in	Cost basis	Return	Position value today
T. Rowe Price	2016Q1	$12.28	+47.0%	$1.2M
D.E. Shaw & Co.	2016Q1	$14.04	+28.5%	$1.4M
Renaissance Technologies	2016Q1	$15.47	+16.7%	$19.1M
Mario Gabelli (GAMCO)	2016Q3	$15.50	+16.4%	$3.9M
Ken Griffin (Citadel Advisors)	2016Q1	$15.96	+13.1%	$877K
AQR Capital Management	2016Q1	$16.83	+7.2%	$805K
Two Sigma Investments	2016Q1	$18.44	-2.1%	$2.4M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

New positions0

—

Added to5

Renaissance Technologies
+90,200
$1.5M
Two Sigma Investments
+77,353
$1.3M
AQR Capital Management
+22,813
$391K
D.E. Shaw & Co.
+13,816
$237K
T. Rowe Price
+2,117
$36

Trimmed1

Mario Gabelli (GAMCO)
−2,200
$38K

Exited2

Izzy Englander (Millennium Mgmt)
−186,476
$3.1M
Ken Griffin (Citadel Advisors)
−65,217
$1.1M

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	12	8,720,787	$190.8M	—
2022Q2	10	9,175,996	$171.7M	-2
2022Q3	10	9,636,394	$144.4M	—
2022Q4	13	9,807,934	$178.2M	+3
2023Q1	12	9,731,155	$178.5M	-1
2023Q2	12	9,180,434	$198.0M	—
2023Q3	13	8,863,224	$192.5M	+1
2023Q4	11	8,727,482	$204.7M	-2
2024Q1	10	8,635,894	$192.1M	-1
2024Q2	9	8,820,363	$178.8M	-1
2024Q3	9	2,071,385	$30.7M	—
2024Q4	10	2,276,047	$32.2M	+1
2025Q1	9	1,850,305	$24.7M	-1
2025Q2	8	1,710,198	$26.4M	-1
2025Q3	9	1,673,349	$27.7M	+1
2025Q4	7	1,641,855	$28.2M	-2

Who owns MTUS

7 super-investors · 2025Q4

Tracked stake

1.64M

Combined value

$28M

% of shares outstanding

—

shares-out unknown

Quarter action mix

Added5Trim1Sold1

#	Manager	Shares	Value	% of book	Last action
1	Renaissance Technologies	1.06M	$18M	0.0%	Added+90.2K
2	Mario Gabelli GAMCO	215.5K	$4M	0.0%	Trim−2.2K
3	Two Sigma Investments	132.9K	$2M	0.0%	Added+77.4K
4	D.E. Shaw & Co.	74.9K	$1M	0.0%	Added+13.8K
5	T. Rowe Price	66.3K	$1M	0.0%	Added+2.1K
6	Ken Griffin Citadel Advisors	48.6K	$834K	0.0%	Sold−65.2K
7	AQR Capital Management	44.6K	$765K	0.0%	Added+22.8K

Recent moves

20 transactions

SOLDKen Griffin (Citadel Advisors)
−65,217 · 2025Q4
SOLDIzzy Englander (Millennium Mgmt)
−186,476 · 2025Q4
ADDT. Rowe Price
+2,117 · 2025Q4
ADDTwo Sigma Investments
+77,353 · 2025Q4
ADDAQR Capital Management
+22,813 · 2025Q4
ADDD.E. Shaw & Co.
+13,816 · 2025Q4
ADDRenaissance Technologies
+90,200 · 2025Q4
TRIMMario Gabelli (GAMCO)
−2,200 · 2025Q4
TRIMTwo Sigma Investments
−19,028 · 2025Q3
TRIMAQR Capital Management
−5,500 · 2025Q3
ADDIzzy Englander (Millennium Mgmt)
+94,737 · 2025Q3
TRIMD.E. Shaw & Co.
−14,589 · 2025Q3
ADDT. Rowe Price
+194 · 2025Q3
ADDRenaissance Technologies
+300 · 2025Q3
TRIMD.E. Shaw & Co.
−19,173 · 2025Q2
TRIMTwo Sigma Investments
−22,730 · 2025Q2
NEWIzzy Englander (Millennium Mgmt)
+91,739 · 2025Q2
ADDT. Rowe Price
+3,164 · 2025Q2
TRIMAQR Capital Management
−212,840 · 2025Q2
TRIMRenaissance Technologies
−4,600 · 2025Q2

Embed this chart

Paste this iframe anywhere to embed the live MTUS chart.

<iframe src="https://openstocks.me/embed/stocks/MTUS" width="100%" height="480" frameborder="0" loading="lazy" title="MTUS chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>

Preview: https://openstocks.me/embed/stocks/MTUS

Explore related topics