Commodore Capital LP is reported as beneficially owning 400,000 ordinary shares of JATT III Acquisition Corp, equal to 5.2% of the outstanding shares. The Schedule 13G identifies the position as passive, stating it was not held to change or influence control, except for activities solely tied to a nomination.

Key Highlights

  • Commodore Capital LP manages Commodore Capital Master LP, while Robert Egen Atkinson and Michael Kramarz exercise Investment discretion.
  • The certification permits activities solely connected with a nomination under Section 240.14a-11 while excluding control-related purposes.
  • The 5.2% ownership calculation is based on 7,725,000 ordinary shares reported as issued and outstanding.

JATT III Acquisition Corp (NASDAQ: JTTT) has a reported 5.2% passive position held through Commodore Capital LP, representing 400,000 ordinary shares. The reported ownership is as of August 26, 2026, and the shares carry a Par Value of $0.0001 each. Commodore Capital Master LP and managing partners Robert Egen Atkinson and Michael Kramarz are also identified in connection with the position. The certification says the securities were not held to change or influence control.

400,000 Ordinary Shares

The position covers JATT III Acquisition Corp ordinary shares with a par value of $0.0001 per share. The percentage calculation was tied to the issuer’s reported outstanding share count.

Four Parties Linked

Robert Egen Atkinson and Michael Kramarz are managing partners of Commodore Capital LP and exercise investment discretion over the securities. The Schedule 13G identifies all four parties in connection with the same 400,000 ordinary-share position and 5.2% ownership level. Michael Kramarz signed for Commodore Capital LP and Commodore Capital Master LP, while Robert Egen Atkinson signed in his own name.

Passive Control Position

The position is reported under Rule 13d-1(c). The certification allows activities solely connected with a nomination under Section 240.14a-11.