Oceanhawk Acquisition CORP

Polar Asset Management Partners Inc. has disclosed beneficial ownership of 5.0% of Oceanhawk Acquisition Corp.'s Class A Ordinary Shares, totaling 950,000 shares.

Highbridge Capital Management, LLC has reported beneficial ownership of 1,500,000 Class A Ordinary Shares, representing 7.9% of the outstanding shares in Oceanhawk Acquisition Corp.

Harraden Circle Investments, LLC and Frederick V. Fortmiller, Jr. have filed an exit report, confirming they no longer beneficially own more than five percent of Oceanhawk Acquisition Corp.'s Class A common stock.

Magnetar Financial LLC and affiliated entities have disclosed beneficial ownership of 986,320 Class A ordinary shares, representing 5.21% of Oceanhawk Acquisition Corp.

Adage Capital Management, L.P. and its affiliates have reported beneficial ownership of 5.68% of Oceanhawk Acquisition Corp.'s Class A Ordinary Shares as of June 30, 2026.

The Goldman Sachs Group, Inc. and its subsidiary Goldman Sachs & Co. LLC have filed a Schedule 13G, reporting beneficial ownership of 7.8% of Oceanhawk Acquisition Corp.'s Class A ordinary shares as of June 30, 2026.