Portolan Capital Management, LLC - 31 Dec 2024 SCHEDULE 13G/A Report for Orion Group Holdings, Inc. Common Stock, $0.01 par value per share (ORN)

Filing Manager: Portolan Capital Management, LLC
Reporting Manager: Portolan Capital Management, LLC
Security: Orion Group Holdings, Inc. Common Stock, $0.01 par value per share
Symbol: ORN
Shares outstanding: 39M shares
Disclosed Ownership: 449K shares
Ownership: 1.15%
Form type: SCHEDULE 13G/A
Filing time: 13 Feb 2025, 16:44:19 UTC
Date of event: 31 Dec 2024
SEC: View on sec.gov

Reporting Managers (2)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Portolan Capital Management, LLC	1.15%	449K	449K	0	George McCabe	George McCabe/Manager
George McCabe	1.15%	449K	449K	0	George McCabe	George McCabe