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Oceanhawk Acquisition Corp. received an amended ownership report from Harraden Circle Investments, LLC and Frederick V. Fortmiller, Jr. stating that they now beneficially own 0 Class A shares, representing 0% of the class. The change follows an internal reorganization effective June 30, 2026, after which they ceased to be beneficial owners of more than five percent of the outstanding Class A common stock. This amendment is characterized as an exit filing for these reporting persons.
OceanHawk Acquisition Corp received a beneficial ownership report from Magnetar Financial LLC and related entities regarding its Class A ordinary shares. As of June 30, 2026, the reporting group collectively held 986,320 shares, representing 5.21% of the outstanding Class A shares.
The holdings are spread across several Magnetar-managed funds, with Magnetar Financial serving as investment adviser and exercising voting and investment power over these accounts. The ownership percentage is based on 18,930,000 shares outstanding as of May 27, 2026, as referenced from issuer information. Voting and dispositive power over all reported shares is shared among the reporting persons.
Oceanhawk Acquisition Corp. has a significant shareholder group led by Adage Capital Management, L.P. and its principals Robert Atchinson and Phillip Gross. These reporting persons collectively report beneficial ownership of 1,075,000 Class A Ordinary Shares of Oceanhawk Acquisition Corp.
This position represents 5.68% of the 18,930,000 Class A Ordinary Shares outstanding, based on the company’s referenced prospectus and current report after completion of the offering, private placement and full exercise of the underwriters' over-allotment option. The reporting persons have shared voting and shared dispositive power over all 1,075,000 shares, and no sole voting or dispositive power.
The Goldman Sachs Group, Inc. and Goldman Sachs & Co. LLC report a significant ownership position in OceanHawk Acquisition Corp. Class A ordinary shares. They report beneficial ownership of 1,479,187 Class A shares, representing 7.8% of the class as of June 30, 2026. Both entities report 0 shares with sole voting or dispositive power and 1,479,187 shares with shared voting and shared dispositive power, indicating the position is held on a shared-control basis within the Goldman Sachs structure. The securities are reported by The Goldman Sachs Group, Inc. as a parent holding company, with Goldman Sachs & Co. LLC identified as the broker-dealer and investment adviser subsidiary through which the position is beneficially owned.
Oceanhawk Acquisition Corp. Schedule 13G reports that Harraden Circle-affiliated entities and Frederick V. Fortmiller, Jr. beneficially own 1,300,000 Class A shares, representing 7.88% of the class. The filing attributes shared voting and dispositive power over those 1,300,000 shares to the reporting group.
The statement lists the reporting persons (Harraden Adviser; Harraden GP; Harraden LLC; Harraden Fund; Harraden Special Op Fund; Harraden Strategic Fund; Harraden Concentrated Fund; and Mr. Fortmiller) and provides principal addresses and organizational details.