ORION GROUP HLDGS INC (ORN): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in ORN · Industrials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
14
13F filers
Aggregate Value
$37.3M
Across holders
Last Price
$9.10
2026-08-24
Sector
Industrials
GICS
Quarterly fund activity7 increased6 reduced1 exited
Full exits: Brevan Howard Capital Management LP
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 693K | $11.7M | 31.3% | 0.0% | Added | +$10.3M | Q2 2026 |
| MILLENNIUM MANAGEMENT LLC CIK 0001273087 | Hedge Fund | 328K | $5.5M | 14.8% | 0.0% | Added | +$4.1M | Q2 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 211K | $3.5M | 9.5% | 0.0% | Reduced | +$3.5M | Q2 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 173K | $2.9M | 7.8% | 0.0% | Reduced | $-169K | Q2 2026 |
| Walleye Capital LLC CIK 0001758720 | Hedge Fund | 160K | $2.7M | 7.2% | 0.0% | Added | — | Q2 2026 |
| TUDOR INVESTMENT CORP ET AL CIK 0000923093 | Hedge Fund | 149K | $2.5M | 6.7% | 0.0% | Added | — | Q2 2026 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 133K | $2.2M | 6.0% | 0.0% | Reduced | $-1.0M | Q2 2026 |
| Point72 Asset Management, L.P. CIK 0001603466 | Hedge Fund | 103K | $1.7M | 4.7% | 0.0% | Reduced | $-727K | Q2 2026 |
| Squarepoint Ops LLC CIK 0001642575 | Hedge Fund | 96K | $1.6M | 4.3% | 0.0% | Reduced | $-52K | Q2 2026 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 71K | $1.2M | 3.2% | 0.0% | Added | +$326K | Q2 2026 |
Added
Hedge Fund
$11.7M· 31.3% of total· 0.0% port· 693K sh· +$10.3M QoQ· Q2 2026
Added
Hedge Fund
$5.5M· 14.8% of total· 0.0% port· 328K sh· +$4.1M QoQ· Q2 2026
Reduced
Hedge Fund
$3.5M· 9.5% of total· 0.0% port· 211K sh· +$3.5M QoQ· Q2 2026
Reduced
Hedge Fund
$2.9M· 7.8% of total· 0.0% port· 173K sh· $-169K QoQ· Q2 2026
Added
Hedge Fund
$2.7M· 7.2% of total· 0.0% port· 160K sh· — QoQ· Q2 2026
Added
Hedge Fund
$2.5M· 6.7% of total· 0.0% port· 149K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$2.2M· 6.0% of total· 0.0% port· 133K sh· $-1.0M QoQ· Q2 2026
Reduced
Hedge Fund
$1.7M· 4.7% of total· 0.0% port· 103K sh· $-727K QoQ· Q2 2026
Reduced
Hedge Fund
$1.6M· 4.3% of total· 0.0% port· 96K sh· $-52K QoQ· Q2 2026
Added
Hedge Fund
$1.2M· 3.2% of total· 0.0% port· 71K sh· +$326K QoQ· Q2 2026
Added
Hedge Fund
$690K· 1.9% of total· 0.0% port· 41K sh· — QoQ· Q2 2026
Added
Hedge Fund
$491K· 1.3% of total· 0.0% port· 29K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$313K· 0.8% of total· 0.0% port· 19K sh· +$305K QoQ· Q2 2026
Unchanged
Hedge Fund
$145K· 0.4% of total· 0.0% port· 9K sh· +$0 QoQ· Q2 2026
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