Who owns Oceanhawk Acquisition Corp.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of OHACU from SEC Form 13F filings across 17 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 17 institutions disclosed 4.5M shares of Oceanhawk Acquisition Corp. worth $45.3M — about 90% of shares outstanding; the largest disclosed holder is Magnetar Financial LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
17
13F holders
$45.3M
value, 2026 filers
90%
of shares outstanding (4.5M sh)
17
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of OHACU's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Magnetar Financial LLCNEW | 986,320 | $10.0M | 0.1% | 19.8% | new |
| 2 | Context Capital Management, LLCNEW | 550,000 | $5.6M | 0.1% | 11.1% | new |
| 3 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUNDNEW | 550,000 | $5.6M | 0.0% | 11.1% | new |
| 4 | StoneX Group Inc.NEW | 450,373 | $4.5M | 0.2% | 9.1% | new |
| 5 | RIVERNORTH CAPITAL MANAGEMENT, LLCNEW | 400,000 | $4.1M | 0.2% | 8% | new |
| 6 | Calamos Advisors LLCNEW | 275,000 | $2.8M | 0.0% | 5.5% | new |
| 7 | LMR Partners LLPNEW | 250,000 | $2.5M | 0.0% | 5% | new |
| 8 | Quarry LPNEW | 210,494 | $2.1M | 0.2% | 4.2% | new |
| 9 | MOORE CAPITAL MANAGEMENT, LPNEW | 200,000 | $2.0M | 0.0% | 4% | new |
| 10 | Kepos Capital LPNEW | 180,500 | $1.8M | 2.5% | 3.6% | new |
| 11 | PICTON MAHONEY ASSET MANAGEMENTNEW | 160,000 | $1.6M | 0.0% | 3.2% | new |
| 12 | RLH Capital LLCNEW | 135,494 | $1.4M | 0.7% | 2.7% | new |
| 13 | TORONTO DOMINION BANKNEW | 79,768 | $808,050 | 0.0% | 1.6% | new |
| 14 | Clear Street Group Inc.NEW | 20,410 | $206,753 | 0.0% | 0.4% | new |
| 15 | HRT FINANCIAL LPNEW | 12,223 | $123,000 | 0.0% | 0.2% | new |
| 16 | LONGFELLOW INVESTMENT MANAGEMENT CO LLCNEW | 8,924 | $90,400 | 0.0% | 0.2% | new |
| 17 | UBS Group AGNEW | 2,449 | $24,808 | 0.0% | 0% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.