Orion Group Holdings Inc

ORN

Exchange: NYSE
Industry: Heavy Construction Other Than Bldg Const - Contractors
SEC CIK: 0001402829

SEC filings (opens in a new tab)

In the last 90 days, Orion Group Holdings Inc insiders filed 4 open-market purchases and 0 sales; 179 institutions reported holding it in 13F filings for Q2 2026, worth $584.8M in total; no superinvestor holds it.

Q2 2026 vs. Q1 2026

How the institutions holding Orion Group Holdings Inc changed between Q1 2026 and Q2 2026.

All holders in Q2 2026 All holders in Q1 2026

13F holders of ORN: Q1 2026 compared with Q2 2026
Measure	Q1 2026	Of which not filed for Q2 2026	Q2 2026	Change
Holders	172	2	179	+9
Shares	33.7M	50.8K	34.8M	+1.22M (+3.6%)
Value	$367.0M	$553.6K	$584.8M	+$218.4M (+59.6%)

2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (27)

Institutions that held Orion Group Holdings Inc at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to ORN in Q2 2026
Institution	Shares	Value	% of portfolio
SG Capital Management LLC	365,177	$6.14M	0.56%
Walleye Capital LLC	160,269	$2.70M	0.01%
Tudor Investment Corp Et Al	149,220	$2.51M	0.01%
Panagora Asset Management Inc	138,495	$2.33M	0.01%
Boothbay Fund Management, LLC	85,045	$1.43M	0.03%
Jane Street Group, LLC	55,852	$939.4K	0.00%
Y-Intercept (Hong Kong) Ltd	52,147	$877.1K	0.02%
D. E. Shaw & Co., Inc.	41,011	$689.8K	0.00%
Independent Financial Group, LLC	35,500	$597.1K	0.01%
Man Group plc	29,188	$490.9K	0.00%
GWN Securities Inc.	22,484	$378.2K	0.06%
Hodges Capital Management Inc.	22,450	$377.6K	0.02%
Quantbot Technologies LP	14,752	$248.1K	0.01%
Stifel Financial Corp	13,985	$235.2K	0.00%
Thoroughbred Financial Services, LLC	13,747	$231.0K	0.01%
Voleon Capital Management LP	10,459	$175.9K	0.00%
Bramshill Investments, LLC	10,000	$168.2K	0.01%
SRS Capital Advisors, Inc.	2,892	$48.6K	0.00%
Game Plan Financial Advisors, LLC	1,650	$27.8K	0.01%
Group One Trading, L.P.	1,542	$25.9K	0.00%
Sachetta, LLC	187	$3.15K	0.00%
Institute for Wealth Management, LLC.	170	$2.86K	0.00%
Global Retirement Partners, LLC	145	$2.44K	0.00%
Bellevue Asset Management, LLC	124	$2.08K	0.00%
NBC Securities, Inc.	110	$1.85K	0.00%
Acumen Wealth Advisors, LLC	10	$169	0.00%
Clearstead Advisors, LLC	6	$101	0.00%

Sold out (18)

Institutions that held Orion Group Holdings Inc at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of ORN in Q2 2026
Institution	Shares, Q1 2026	Value, Q1 2026
Ancora Advisors, LLC	157,203	$1.71M
Mackenzie Financial Corp	77,115	$840.6K
Polen Capital Management LLC	49,265	$537.0K
Moran Wealth Management, LLC	25,429	$277.2K
Cornerstone Investment Partners, LLC	25,074	$273.3K
Mirabella Financial Services LLP	21,013	$229.0K
Marex Group plc	14,000	$152.6K
Brevan Howard Capital Management LP	13,977	$152.3K
Polymer Capital Management (US) LLC	12,747	$138.9K
Cerity Partners LLC	12,261	$133.6K
Mariner, LLC	11,235	$122.5K
HSBC Holdings PLC	10,059	$108.4K
Aquatic Capital Management LLC	5,042	$55.0K
Quadrant Capital Group LLC	229	$2.50K
Vermillion Wealth Management, Inc.	200	$2.18K
Lloyd Advisory Services, LLC.	119	$1.30K
Bayban	104	$1.13K
Root Financial Partners, LLC	31	$338

Not filed for Q2 2026 yet (2)

Institutions that held Orion Group Holdings Inc at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ORN in Q1 2026 that haven't filed for Q2 2026
Institution	Shares, Q1 2026	Value, Q1 2026
Skopos Labs, Inc.	38,027	$414.5K
CWM, LLC	12,762	$139.1K