RENAISSANCE TECHNOLOGIES LLC

Position in ORN — Orion Group Holdings Inc

CIK 1037389 NEW YORK, NY

Position in ORN

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$2,245,133

+$136,921 QoQ

Shares Held

133,480

-31.0% QoQ

Ownership

0.330%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#50

of 179 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

RENAISSANCE TECHNOLOGIES LLC holds $1,843,971,333 across 26 Engineering & Construction names. ORN ranks #21 (0.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	STRL	Sterling Infrastructure, Inc.	672,194	$564,212,755
2	AGX	Argan Inc	648,379	$517,763,050
3	IESC	IES Holdings, Inc.	213,504	$156,852,848
4	FIX	Comfort Systems USA Inc	76,160	$150,945,312
5	LGN	Legence Corp.	1,180,400	$100,605,492
6	TPC	Tutor Perini Corp	800,280	$66,399,231
7	EME	EMCOR Group, Inc.	65,640	$54,473,323
8	ACM	Aecom	746,877	$52,132,014

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$2,245,133	133,480	-31.0%	Shares	Sole	2026-08-13
2026-03-31	$2,108,212	193,414	-18.8%	Shares	Sole	2026-05-14
2025-12-31	$2,367,678	238,197	-39.3%	Shares	Sole	2026-02-12
2025-09-30	$3,263,079	392,197	+0.6%	Shares	Sole	2025-11-13
2025-06-30	$3,535,458	389,797	+63.0%	Shares	Sole	2025-08-13
2025-03-31	$1,250,477	239,097	+15.6%	Shares	Sole	2025-05-14
2024-12-31	$1,516,503	206,890	-49.1%	Shares	Sole	2025-02-13
2024-09-30	$2,346,180	406,617	+54.6%	Shares	Sole	2024-11-13
2024-06-30	$2,501,101	262,997	+0.5%	Shares	Sole	2024-08-09
2024-03-31	$2,146,735	261,797	-1.5%	Shares	Sole	2024-05-13
2023-12-31	$1,313,037	265,797	+0.7%	Shares	Sole	2024-02-13
2023-09-30	$1,414,487	263,897	-1.2%	Shares	Sole	2023-11-14
2023-06-30	$750,660	267,139	+5.9%	Shares	Sole	2023-08-11
2023-03-31	$653,190	252,197	+8.6%	Shares	Sole	2023-05-12
2022-12-31	$552,866	232,297	-5.1%	Shares	Sole	2023-02-13
2022-09-30	$646,264	244,797	-6.7%	Shares	Sole	2022-11-14
2022-06-30	$598,493	262,497	-2.8%	Shares	Sole	2022-08-12
2022-03-31	$669,840	270,097	-10.4%	Shares	Sole	2022-05-13
2021-12-31	$1,136,266	301,397	-36.8%	Shares	Sole	2022-02-11
2021-09-30	$2,594,526	476,935	-14.2%	Shares	Sole	2021-11-12
2021-06-30	$3,197,598	556,104	-16.5%	Shares	Sole	2021-08-13
2021-03-31	$4,040,780	665,697	-18.8%	Shares	Sole	2021-05-13
2020-12-31	$4,064,040	819,363	+9.4%	Shares	Sole	2021-02-10
2020-09-30	$2,060,291	749,197	-15.7%	Shares	Sole	2020-11-13
2020-06-30	$2,792,078	889,197	-5.4%	Shares	Sole	2020-08-13
2020-03-31	$2,443,472	939,797	—	Shares	Sole	2020-05-14
No filing history on record for this holder in this stock.