Alta Partners LLC filed a Schedule 13G with the SEC on October 28, 2026, disclosing beneficial ownership of 258,979 Common Shares of Robin Energy Ltd., representing 19.4% of the company's outstanding class.

Key Highlights

  • Reporting person: Alta Partners LLC, a New York Limited Liability Company located at 1205 Franklin Avenue, Garden City, New York 11530, signed by Steven Cohen, Managing Member.
  • Shares beneficially owned: 258,979 Common Shares of Robin Energy Ltd., par value $0.001 per share.
  • Percent of class: 19.4%, based on 1,332,297 Common Shares issued and outstanding as of October 15, 2026.
  • Voting and dispositive power: Alta Partners LLC holds sole voting power and sole dispositive power over all 258,979 shares, with no shared voting or dispositive power reported.
  • Triggering event date: October 22, 2026, designated as the date of the event requiring this filing.
  • Share count source: The outstanding share figure is drawn from Robin Energy Ltd.'s Registration Statement on Form F-1 filed with the SEC on October 16, 2026, according to the filing.

Alta Partners LLC Discloses Passive Stake in Robin Energy Ltd.

According to the Schedule 13G filed on October 28, 2026, Alta Partners LLC reported beneficial ownership of 258,979 Common Shares of Robin Energy Ltd. (CUSIP: Y73118120). The filing identifies the issuer's principal executive offices as located at 223 Christodoulou Chatzipavlou Street, Hawaii Royal Gardens, Limassol, Cyprus, 3036. The event triggering the filing occurred on October 22, 2026.

The filing discloses that Alta Partners LLC holds sole voting power and sole dispositive power over all 258,979 shares, with zero shared voting power and zero shared dispositive power. The 19.4% ownership figure is calculated against 1,332,297 Common Shares reported as issued and outstanding as of October 15, 2026, as cited from Robin Energy Ltd.'s Form F-1 registration statement filed October 16, 2026.

In the required certification under Item 10, Alta Partners LLC stated that, to the best of its knowledge and belief, the securities "were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11." The filing was signed by Steven Cohen in his capacity as Managing Member.

What Was Disclosed

Alta Partners LLC filed a Schedule 13G reporting beneficial ownership of 258,979 Common Shares of Robin Energy Ltd., equal to 19.4% of the class, with sole voting and dispositive power and no shared control, as of an October 22, 2026 triggering event.