Orion Group Holdings Inc (ORN) Institutional Ownership

Ownership Summary

Orion Group Holdings Inc (NYSE:ORN) currently has 145 active institutional owners and shareholders as of today (September 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).

• Orion Group Holdings saw its institutional ownership percentage rose to 81.8% in September 2025 from 75.5% in June 2025.
• In percentage terms, this reflects as a holdings change of 8.43% quarter on quarter, and an increase of 26.09% year over year.
• During the quarter, 59 institutions bought more Orion Group Holdings shares, 58 sold shares, and 28 of the 145 total investors held their position steady.
• The total number of shares held by institutions in Orion Group Holdings increased to 32.52Mn as of September 2025, a net change of up by 2.53Mn shares quarter on quarter, and up 4.07Mn shares year over year.
• The top institutional stake in Orion Group Holdings as of September 30, 2025 belongs to BRANDES INVESTMENT PARTNERS, LP, which owns 4.95Mn shares, or 12.47% of the company.
• Among the most significant buyers of Orion Group Holdings during September 2025 were GENDELL JEFFREY L (845.39K), WASATCH ADVISORS LP (805.96K), BRANDES INVESTMENT PARTNERS, LP (628.94K), SILVERCREST ASSET MANAGEMENT GROUP LLC (568.01K), Invesco Ltd. (562.86K).
• Leading sellers of Orion Group Holdings stock in September 2025 included Nuveen, LLC (300.30K), Archon Capital Management LLC (283.15K), NEXT CENTURY GROWTH INVESTORS LLC (262.49K), GSA CAPITAL PARTNERS LLP (189.54K), AMERICAN CENTURY COMPANIES INC (173.94K).
• The top 10 institutional holders of Orion Group Holdings for the quarter ending September 2025 included BRANDES INVESTMENT PARTNERS, LP (4.95Mn), BlackRock, Inc. (2.72Mn), WASATCH ADVISORS LP (2.23Mn), VANGUARD GROUP INC (2.02Mn), ROYCE & ASSOCIATES LP (1.70Mn), DIMENSIONAL FUND ADVISORS LP (1.68Mn), Invesco Ltd. (1.27Mn), GENDELL JEFFREY L (1.04Mn), GRACE & WHITE INC /NY (998.34K), GEODE CAPITAL MANAGEMENT, LLC (880.63K).