Orion Group Holdings Inc
ORN- Exchange
- NYSE
- Industry
- Heavy Construction Other Than Bldg Const - Contractors
- SEC CIK
- 0001402829
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.
Holders of 5% or more of ORN
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Orion Group Holdings Inc, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Brandes Investment Partners, LP | 13G/A | 12.50%4.95M shares | +1.50 ppfrom 11.00% | Apr 9, 20252 filings | Nov 13, 2025 | SEC |
| Wasatch Advisors Inc | 13G | 5.60%2.23M shares | New | Nov 13, 20251 filing | Nov 13, 2025 | SEC |
| Vanguard Group Inc | 13G | 5.09%1.98M shares | New | Jan 31, 20251 filing | Jan 31, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
8 Schedule 13D and 13G filings on Orion Group Holdings Inc, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Nov 13, 20258:02 PM ET | Wasatch Advisors Inc | 13G | 5.60%2.23M shares | New | Sep 30, 2025 | SEC |
| Nov 13, 202512:45 PM ET | Brandes Investment Partners, LP | 13G/A | 12.50%4.95M shares | +1.50 ppfrom 11.00% | Sep 30, 2025 | SEC |
| Jul 16, 202511:40 AM ET | Royce & Associates LP | 13G/A | 4.22%1.67M shares | −0.98 ppfrom 5.20%Below 5% | Jun 30, 2025 | SEC |
| Apr 9, 20252:48 PM ET | Brandes Investment Partners, LP | 13G/A | 11.00%4.28M shares | – | Mar 31, 2025 | SEC |
| Feb 13, 20254:44 PM ET | Portolan Capital Management, LLCand 1 other | 13G/A | 1.15%448.7K shares | –Below 5% | Dec 31, 2024 | SEC |
| Jan 31, 20259:56 AM ET | Vanguard Group Inc | 13G | 5.09%1.98M shares | New | Dec 31, 2024 | SEC |
| Jan 28, 20251:06 PM ET | Royce & Associates LP | 13G | 5.20%2.02M shares | New | Dec 31, 2024 | SEC |
| Jan 23, 20253:55 PM ET | Dimensional Fund Advisors LP | 13G/A | 4.60%1.77M shares | –Below 5% | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Orion Group Holdings Inc shares.
No Form 144 notices for Orion Group Holdings Inc are on file.