17 institutions reported holding $45.3M of OCEANHAWK ACQUISITION CORP (OHACU) in SEC 13F filings for 2026-06-30. Largest institutional holders: Magnetar Financial LLC ($10.0M), Context Capital Management, LLC ($5.6M), HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND ($5.6M), StoneX Group Inc. ($4.5M), RIVERNORTH CAPITAL MANAGEMENT, LLC ($4.1M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Magnetar Financial LLC | $10.0M | 986,320 | New |
| 2 | Context Capital Management, LLC | $5.6M | 550,000 | New |
| 3 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $5.6M | 550,000 | New |
| 4 | StoneX Group Inc. | $4.5M | 450,373 | New |
| 5 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $4.1M | 400,000 | New |
| 6 | Calamos Advisors LLC | $2.8M | 275,000 | New |
| 7 | LMR Partners LLP | $2.5M | 250,000 | New |
| 8 | Quarry LP | $2.1M | 210,494 | New |
| 9 | MOORE CAPITAL MANAGEMENT, LP | $2.0M | 200,000 | New |
| 10 | Kepos Capital LP | $1.8M | 180,500 | New |
| 11 | PICTON MAHONEY ASSET MANAGEMENT | $1.6M | 160,000 | New |
| 12 | RLH Capital LLC | $1.4M | 135,494 | New |
| 13 | TORONTO DOMINION BANK | $808,050 | 79,768 | New |
| 14 | Clear Street Group Inc. | $206,753 | 20,410 | New |
| 15 | HRT FINANCIAL LP | $123,000 | 12,223 | New |
| 16 | LONGFELLOW INVESTMENT MANAGEMENT CO LLC | $90,400 | 8,924 | New |
| 17 | UBS Group AG | $24,808 | 2,449 | New |
Source: SEC Form 13F filings · as of 2026-06-30