Institutional shares held 29.8 Million
27K calls
2.4K puts
Total value of holdings $206M
$186K calls
$16K puts
Market Cap $218M
31,255,600 Shares Out.
Institutional ownership 95.3%
# of Institutions 150


Latest Institutional Activity in ORN

Top Purchases

Q2 2025
Perritt Capital Management Inc Shares Held: 363K ($2.53M)
Q2 2025
Essex Investment Management CO LLC Shares Held: 300K ($2.1M)
Q2 2025
Renaissance Technologies LLC Shares Held: 390K ($2.72M)
Q2 2025
Bastion Asset Management Inc. Shares Held: 96.6K ($674K)
Q2 2025
Nuveen, LLC Shares Held: 427K ($2.98M)

Top Sells

Q2 2025
Royce & Associates LP Shares Held: 1.67M ($11.6M)
Q2 2025
Formula Growth LTD Shares Held: 339K ($2.37M)
Q2 2025
Center Book Partners LP Shares Held: 427K ($2.98M)
Q2 2025
American Century Companies Inc Shares Held: 685K ($4.78M)
Q2 2025
Boston Partners Shares Held: 97.5K ($680K)

About ORN

Orion Group Holdings, Inc. operates as a specialty construction company in the building, industrial, and infrastructure sectors in the continental United States, Alaska, Canada, and the Caribbean Basin. It operates in two segments, Marine and Concrete. The company provides various marine construction services, including construction, restoration, dredging, maintenance, and repair of marine transportation facilities and pipelines, bridges and causeways, and marine environmental structures. Its marine transportation facility projects comprise public port facilities, cruise ship port facilities, private terminals, special-use navy terminals, recreational use marinas and docks, and other marine-based facilities. The company also offers on-going maintenance and repair, inspection, emergency repair, and demolition and salvage services to marine transportation facilities. Its marine pipeline service projects include the installation and removal of underwater buried pipeline transmission lines; the installation of pipeline intakes and outfalls for industrial facilities; the construction of pipeline outfalls for wastewater and industrial discharges; river crossing and directional drilling; the creation of hot taps and tie-ins; and inspection, maintenance, and repair services. The company's bridge and causeway projects include the construction, repair, and maintenance of overwater bridges and causeways, as well as the development of fendering systems in marine environments; and marine environmental structures used for erosion control, wetlands creation, and environmental remediation. The company also provides specialty services, such as design, salvage, demolition, surveying, towing, diving and underwater inspection, excavation, and repair services. In addition, it offers light commercial, structural, and other concrete construction services. Orion Group Holdings, Inc. was founded in 1994 and is headquartered in Houston, Texas.


Insider Transactions at ORN

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
329K Shares
From 12 Insiders
Grant, award, or other acquisition 299K shares
Open market or private purchase 29.8K shares
Sell / Disposition
90.5K Shares
From 3 Insiders
Payment of exercise price or tax liability 60.5K shares
Open market or private sale 30K shares

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