Orion Group Holdings Inc

ORNNYSE

$9.30+0.11 (+1.20%)as of Oct 2, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

Orion Group Holdings Inc price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+11.4%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Brandes Investment Partners, LP	12.14%	$82.7M	0.58%	Reduce 4.76%
BlackRock, Inc.	7.43%	$50.6M	0.00%	Not reported
Wasatch Advisors LP	4.97%	$33.9M	0.22%	Add 21.56%
Vanguard Capital Management LLC	4.19%	$28.5M	0.00%	Not reported
Royce & Associates LP	3.95%	$26.9M	0.22%	Not reported
Dimensional Fund Advisors LP	3.65%	$24.9M	0.00%	Not reported
Gendell Jeffrey L	2.73%	$18.6M	0.16%	Not reported
Next Century Growth Investors LLC	2.44%	$16.6M	0.88%	Add 50.48%
Geode Capital Management, LLC	2.41%	$16.4M	0.00%	Not reported
Grace & White Inc	2.01%	$13.7M	2.16%	Not reported
State Street Corp	1.94%	$13.2M	0.00%	Not reported
Citadel Advisors LLC	1.71%	$11.7M	0.00%	Not reported
Silvercrest Asset Management Group LLC	1.69%	$11.5M	0.08%	Reduce 4.71%
Kennedy Capital Management LLC	1.67%	$11.4M	0.20%	Reduce 1.85%
First Wilshire Securities Management Inc	1.28%	$8.73M	1.80%	Reduce 1.77%
Essex Investment Management Co LLC	1.09%	$7.44M	0.98%	Reduce 4.15%
Vanguard Portfolio Management LLC	1.08%	$7.36M	0.00%	Not reported
De Lisle Partners LLP	1.04%	$7.07M	0.77%	Add 1.21%
Westerly Capital Management, LLC	1.02%	$6.98M	1.29%	Reduce 5.68%
Acadian Asset Management LLC	1.00%	$6.84M	0.01%	Not reported
Simcoe Capital LLC	0.90%	$6.16M	3.76%	Add 25.41%
SG Capital Management LLC	0.90%	$6.14M	0.51%	Not reported
Archon Capital Management LLC	0.87%	$5.95M	2.42%	Add 10.97%
Millennium Management LLC	0.81%	$5.52M	0.00%	Not reported
Algert Global LLC	0.80%	$5.44M	0.06%	Not reported
Northern Trust Corp	0.79%	$5.39M	0.00%	Not reported
Vanguard Fiduciary Trust Co	0.68%	$4.66M	0.00%	Not reported
UBS Group AG	0.68%	$4.65M	0.00%	Not reported
Formula Growth Ltd	0.63%	$4.32M	1.52%	Reduce 13.79%
JPMorgan Chase & Co	0.63%	$4.35M	0.00%	Not reported
Goldman Sachs Group Inc	0.62%	$4.21M	0.00%	Not reported
Cruiser Capital Advisors, LLC	0.60%	$4.11M	2.53%	Not reported
AQR Capital Management LLC	0.52%	$3.55M	0.00%	Not reported
Ardsley Advisory Partners LP	0.49%	$3.36M	0.35%	Not reported
Legato Capital Management LLC	0.49%	$3.33M	0.28%	Add 38.43%
Nuveen, LLC	0.49%	$3.32M	0.00%	Not reported
Invesco Ltd.	0.45%	$3.07M	0.00%	Not reported
Sei Investments Co	0.44%	$3.01M	0.00%	Not reported
Qube Research & Technologies Ltd	0.43%	$2.91M	0.00%	Not reported
Bank of America Corp	0.42%	$2.86M	0.00%	Not reported
Seros Financial, LLC	0.42%	$2.84M	1.48%	Not reported
CenterBook Partners LP	0.41%	$2.78M	0.14%	Reduce 69.60%
Walleye Capital LLC	0.40%	$2.7M	0.01%	Not reported
Bank of New York Mellon Corp	0.38%	$2.58M	0.00%	Not reported
Tudor Investment Corp Et Al	0.37%	$2.51M	0.00%	Not reported
Russell Investments Group, Ltd.	0.34%	$2.34M	0.00%	Not reported
Panagora Asset Management Inc	0.34%	$2.33M	0.01%	Not reported
US Bancorp \de\	0.34%	$2.29M	0.00%	Not reported
Renaissance Technologies LLC	0.33%	$2.25M	0.00%	Not reported
JB Capital Partners LP	0.32%	$2.19M	0.34%	Not reported

50 of 168 holders

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