Orion Group Holdings, Inc. (ORN) ownership: Top institutional holder: BRANDES INVESTMENT PARTNERS, LP ($56.24M). Insider activity: Net Seller (4 buys, 16 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BRANDES INVESTMENT PARTNERS, LP | 5159835.00 | $56.24M | 2026-03-31 |
| BlackRock, Inc. | 2737044.00 | $29.83M | 2026-03-31 |
| BlackRock Fund Advisors | 2209656.00 | $21.99M | 2016-12-31 |
| VANGUARD GROUP INC | 2109101.00 | $20.96M | 2025-12-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 1662010.00 | $18.12M | 2026-03-31 |
| WASATCH ADVISORS LP | 1656834.00 | $18.06M | 2026-03-31 |
| DIMENSIONAL FUND ADVISORS LP | 1590690.00 | $17.34M | 2026-03-31 |
| ROYCE & ASSOCIATES LP | 1483514.00 | $16.17M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-19 | |
| Sell | null | 2026-05-19 | |
| Sell | null | 2026-05-19 | |
| Sell | null | 2026-05-19 | |
| Sell | null | 2026-05-19 | |
| Sell | null | 2026-05-05 | |
| Sell | null | 2026-05-04 | |
| Sell | null | 2026-05-01 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.