Ticker · CUSIP 68628V308

ORN

ORION GROUP HLDGS INC

Industrials·Engineering & Construction

···Share

Holders (tracked)

Combined shares

895,562

Combined value

$8.90M

Last close

$11.97

Quarter

2025Q4

Price is +20.4% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$11.97+5.98 (+99.83%)H $14.39 · L $5.84 · Avg Vol 368K

Position opened

Tracked holders · last 8 quarters

+1 vs previous quarter over the last 8.

SEC event timeline

14 events

Ken Griffin (Citadel Advisors) trimmed2026-02-17
−93,754 shares · 2025Q4
Position
D.E. Shaw & Co. trimmed2026-02-17
−86,140 shares · 2025Q4
Position
Two Sigma Investments trimmed2026-02-17
−20,321 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) added2026-02-17
+86,780 shares · 2025Q4
Position
Steve Cohen (Point72) opened position2026-02-17
+65,389 shares · 2025Q4
Position
T. Rowe Price added2026-02-17
+3,450 shares · 2025Q4
Position
AQR Capital Management trimmed2026-02-17
−85,882 shares · 2025Q4
Position
Renaissance Technologies trimmed2026-02-12
−154,000 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) opened position2025-11-14
+10,978 shares · 2025Q3
Position
AQR Capital Management added2025-11-14
+93,393 shares · 2025Q3
Position
Two Sigma Investments trimmed2025-11-14
−36,334 shares · 2025Q3
Position
T. Rowe Price added2025-11-14
+264 shares · 2025Q3
Position
D.E. Shaw & Co. added2025-11-14
+94,571 shares · 2025Q3
Position
Renaissance Technologies added2025-11-13
+2,400 shares · 2025Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for ORN →

Follow-the-investor returns

If you'd copied each holder of ORN…

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
Renaissance Technologies	2016Q1	$6.54	+83.0%	$2.9M
AQR Capital Management	2016Q1	$6.88	+73.9%	$3.1M
Two Sigma Investments	2016Q1	$7.62	+57.0%	$185K
T. Rowe Price	2024Q4	$7.74	+54.6%	$275K
D.E. Shaw & Co.	2016Q1	$7.98	+50.0%	$277K
Ken Griffin (Citadel Advisors)	2016Q2	$8.36	+43.1%	$2.1M
Izzy Englander (Millennium Mgmt)	2016Q4	$9.58	+24.9%	$1.2M
Steve Cohen (Point72)	2025Q4	$9.94	+20.4%	$783K

Who moved on this name in 2025Q4

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

New positions1

Steve Cohen (Point72)
+65,389
$650K

Added to2

Izzy Englander (Millennium Mgmt)
+86,780
$863K
T. Rowe Price
+3,450
$34

Trimmed5

Renaissance Technologies
−154,000
$1.5M
Ken Griffin (Citadel Advisors)
−93,754
$932K
D.E. Shaw & Co.
−86,140
$856K
AQR Capital Management
−85,882
$854K
Two Sigma Investments
−20,321
$202K

Exited0

—

Institutional ownership over time

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

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	8	1,660,626	$4.1M	—
2022Q2	5	1,657,879	$3.8M	-3
2022Q3	5	1,641,895	$4.3M	—
2022Q4	8	1,437,093	$3.4M	+3
2023Q1	8	1,578,152	$4.1M	—
2023Q2	7	1,533,566	$4.3M	-1
2023Q3	6	1,472,251	$7.9M	-1
2023Q4	7	1,515,608	$7.5M	+1
2024Q1	8	1,785,668	$14.6M	+1
2024Q2	7	2,820,736	$26.8M	-1
2024Q3	10	1,280,023	$7.4M	+3
2024Q4	10	929,144	$6.8M	—
2025Q1	9	1,078,449	$5.6M	-1
2025Q2	7	1,384,657	$12.6M	-2
2025Q3	7	1,180,040	$9.8M	—
2025Q4	8	895,562	$8.9M	+1

Who owns ORN

8 super-investors · 2025Q4

Tracked stake

895.6K

Combined value

$9M

% of shares outstanding

—

shares-out unknown

Quarter action mix

New1Added2Trim5

#	Manager	Shares	Value	% of book	Last action	8Q trend
1	AQR Capital Management	257.1K	$3M	0.0%	Trim−85.9K
2	Renaissance Technologies	238.2K	$2M	0.0%	Trim−154.0K
3	Ken Griffin Citadel Advisors	175.6K	$2M	0.0%	Trim−93.8K
4	Izzy Englander Millennium Mgmt	97.8K	$972K	0.0%	Added+86.8K
5	Steve Cohen Point72	65.4K	$650K	0.0%	New+65.4K	—
6	D.E. Shaw & Co.	23.1K	$230K	0.0%	Trim−86.1K
7	T. Rowe Price	22.9K	$228K	0.0%	Added+3.5K
8	Two Sigma Investments	15.4K	$153K	0.0%	Trim−20.3K

Recent moves

20 transactions

TRIMAQR Capital Management
−85,882 · 2025Q4
TRIMKen Griffin (Citadel Advisors)
−93,754 · 2025Q4
ADDT. Rowe Price
+3,450 · 2025Q4
NEWSteve Cohen (Point72)
+65,389 · 2025Q4
TRIMD.E. Shaw & Co.
−86,140 · 2025Q4
TRIMTwo Sigma Investments
−20,321 · 2025Q4
ADDIzzy Englander (Millennium Mgmt)
+86,780 · 2025Q4
TRIMRenaissance Technologies
−154,000 · 2025Q4
ADDAQR Capital Management
+93,393 · 2025Q3
TRIMTwo Sigma Investments
−36,334 · 2025Q3
ADDT. Rowe Price
+264 · 2025Q3
NEWIzzy Englander (Millennium Mgmt)
+10,978 · 2025Q3
ADDD.E. Shaw & Co.
+94,571 · 2025Q3
ADDRenaissance Technologies
+2,400 · 2025Q3
TRIMD.E. Shaw & Co.
−50,154 · 2025Q2
ADDTwo Sigma Investments
+45,461 · 2025Q2
SOLDIzzy Englander (Millennium Mgmt)
−127,612 · 2025Q2
ADDT. Rowe Price
+2,793 · 2025Q2
TRIMAQR Capital Management
−230,845 · 2025Q2
ADDRenaissance Technologies
+150,700 · 2025Q2

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