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
39,016,609 shares
Disclosed Ownership
448,691 shares
Ownership
1.2%
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

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Quoteable Key Fact

"Portolan Capital Management, LLC disclosed 1.2% ownership in Orion Group Holdings, Inc. Common Stock, $0.01 par value per share (ORN) on 31 Dec 2024."

Quick Takeaways

  • Portolan Capital Management, LLC filed SCHEDULE 13G/A for Orion Group Holdings, Inc. Common Stock, $0.01 par value per share (ORN).
  • Disclosed ownership: 1.2%.
  • Date of event: 31 Dec 2024.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 13 Feb 2025, 16:44.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Official SEC Source

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Portolan Capital Management, LLC 1.2% 448,691 448,691 0 George McCabe George McCabe/Manager
George McCabe 1.2% 448,691 448,691 0 George McCabe George McCabe

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