ORION GROUP HOLDINGS INC

Ticker: ORN CUSIP: 68628V308 Class: Common Stock

Portolan Capital Management, LLC's Holding History (CIK: 0001350290)

Note: Option positions (PUT/CALL) are excluded.

Q4 2024

Shares 448,691 Value ($000) $3,289 Avg Close $7.23 Range $5.27 - $9.35

Q3 2024

Shares 1,985,355 Value ($000) $11,455 Avg Close $7.70 Range $5.23 - $12.12

Q2 2024

Shares 1,267,822 Value ($000) $12,057 Avg Close $8.84 Range $6.17 - $11.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2024	448,691	$3,289	$7.23	$5.27 - $9.35
Q3 2024	1,985,355	$11,455	$7.70	$5.23 - $12.12
Q2 2024	1,267,822	$12,057	$8.84	$6.17 - $11.00