Orion Group Holdings Inc (ORN) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

900,355Shares held by institutions

$9,606,788Value of institutional holdings

76.56%Institutional ownership %

5.74%Shares Changed QoQ

141No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Orion Group Holdings Inc (NYSE:ORN) appears in 157 institutional 13F filings for the quarter ending December 2025.

These investors held 84.2% of outstanding shares in December 2025, up from 84.1% in September 2025.
They increased total shares held in Orion Group Holdings by 3.82% from last quarter, and the number of investors in ORN increased 3.29% annually.
During the quarter, 70 of these 157 funds increased positions in ORN, 58 reduced exposure, and 29 held steady.
Institutional investors collectively held 33.51Mn shares in Orion Group Holdings as of December 2025, up by 1.23Mn shares quarter on quarter, and up 4.78Mn shares year over year.
As of December 31, 2025, the biggest holder of Orion Group Holdings is BRANDES INVESTMENT PARTNERS, LP at 5.01Mn shares, representing 12.59% of shares outstanding.
Leading buyers of Orion Group Holdings shares for the quarter ending December 2025 were Simcoe Capital LLC (453.65K), Allspring Global Investments Holdings, LLC (298.0K), ALGERT GLOBAL LLC (197.28K), Sei Investments Co (190.62K), CenterBook Partners LP (179.05K).
Leading sellers of Orion Group Holdings shares for the quarter ending December 2025 were Jpmorgan Chase & Co (214.28K), RENAISSANCE TECHNOLOGIES LLC (154.0K), AMERICAN CENTURY COMPANIES INC (111.56K), Archon Capital Management LLC (110.49K), Seros Financial, LLC (104.76K).
Per Business Quant, the top 10 investors in ORN for the quarter ending December 2025 include BRANDES INVESTMENT PARTNERS, LP (5.01Mn), BlackRock, Inc. (2.76Mn), WASATCH ADVISORS LP (2.27Mn), VANGUARD GROUP INC (2.11Mn), ROYCE & ASSOCIATES LP (1.66Mn), DIMENSIONAL FUND ADVISORS LP (1.61Mn), Invesco Ltd. (1.29Mn), GENDELL JEFFREY L (1.1Mn), GRACE & WHITE INC /NY (936.15K), GEODE CAPITAL MANAGEMENT, LLC (892.63K).

157 Institutional Holders

900,355 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	43,738	1.61%	$0.00
BRANDES INVESTMENT PARTNERS, LP	31 Dec, 2025	56,663	1.14%	$0.00
CenterBook Partners LP	31 Dec, 2025	179,050	33.06%	$0.00
Barclays Plc	31 Dec, 2025	-42,672	-32.19%	$0.00
WASATCH ADVISORS LP	31 Dec, 2025	41,188	1.85%	$0.00
Simcoe Capital LLC	31 Dec, 2025	453,654	0.00%	$0.00
HSBC HOLDINGS PLC	31 Dec, 2025	25,154	80.56%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	84,216	4.16%	$0.00
Russell Investments Group, Ltd.	31 Dec, 2025	-102,226	-18.96%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	8,627	100.00%	$0.00
ROYCE & ASSOCIATES LP	31 Dec, 2025	-45,660	-2.68%	$0.00
De Lisle Partners LLP	31 Dec, 2025	0	0.00%	$0.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	-70,916	-4.21%	$0.00
Allspring Global Investments Holdings, LLC	31 Dec, 2025	297,997	0.00%	$0.00
Invesco Ltd.	31 Dec, 2025	20,835	1.64%	$0.00
Cruiser Capital Advisors, LLC	31 Dec, 2025	0	0.00%	$0.00
GENDELL JEFFREY L	31 Dec, 2025	67,123	6.47%	$0.00
Seros Financial, LLC	31 Dec, 2025	-104,762	-39.25%	$0.00
GRACE & WHITE INC /NY	31 Dec, 2025	-62,190	-6.23%	$0.00
Nuveen, LLC	31 Dec, 2025	-8,375	-6.61%	$0.00

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