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# Who owns Orion Group Holdings Inc (ORN)? Elite investor 13F holders

2 tracked elite investors reported holding Orion Group Holdings Inc as of 2026-06-30, including Renaissance Technologies LLC, D.E. Shaw. Who bought, trimmed or exited each quarter, with links to the original SEC 13F filings.

2 tracked investors currently reported holding · Latest report period: 2026-06-30 · Industrials · Capital Goods

Orion Group Holdings, Inc. operates as a specialty construction company for the infrastructure, industrial, and building sectors in the United States, Canada, and the Caribbean Basin. It operates through two segments, Marine and Concrete. The company engages in the building, rehabilitation, and maintenance of a range of marine transportation facilities, including terminals, cruise ship berths,…

## Reported holders and securities, including exits (up to 20)

| Investor | Security | Instrument | Report period | Filed | Value | Quantity | Units | Change | Source |
|  --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| [Renaissance Technologies LLC](https://ownershiptrace.com/13f/investors/63) | ORION GROUP HOLDINGS INC | SHARE | 2026-06-30 | 2026-08-13 00:00:00 | 2245134.00 USD | 133480.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1037389/0001037389-26-000059-index.html) |
| [Ancora Advisors / Ancora Holdings](https://ownershiptrace.com/13f/investors/101) | ORION GROUP HOLDINGS INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | [Original filing](https://www.sec.gov/Archives/edgar/data/1446114/0001446114-26-000012-index.html) |
| [D.E. Shaw](https://ownershiptrace.com/13f/investors/98) | ORION GROUP HOLDINGS INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 689805.00 USD | 41011.000000 | Shares | buy | [Original filing](https://www.sec.gov/Archives/edgar/data/1009207/0001104659-26-097217-index.html) |
| [Polen Capital Management](https://ownershiptrace.com/13f/investors/61) | ORION GROUP HOLDINGS INC | SHARE | 2026-06-30 | 2026-08-04 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | [Original filing](https://www.sec.gov/Archives/edgar/data/1034524/0001172661-26-003035-index.html) |

Public disclosures can be delayed, incomplete, or amended. Report period describes a position date; transaction date describes a reported transaction; filed describes submission. A recent filing or page update does not establish a current holding. A dash means unavailable or not comparable, not zero.

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