Proem Acquisition CORP I Schedule 13G passive stakes

Filed when an investor crosses five percent without intending to seek control — the passive counterpart to a 13D.

NASDAQ
Polar Asset Management Partners Inc. has reported beneficial ownership of 1,200,000 Class A ordinary shares of Proem Acquisition Corp I, representing 6.5% of the class.
NASDAQ
Aristeia Capital, L.L.C. has filed a Schedule 13G, reporting beneficial ownership of 1,040,000 units in Proem Acquisition Corp I, representing approximately 5.66% of the outstanding class.
NASDAQ
Magnetar Financial LLC and affiliated entities have disclosed beneficial ownership of 5.44% of Proem Acquisition Corp. I's Class A ordinary shares as of March 31, 2026.
NASDAQ
Millennium Management LLC, Millennium Group Management LLC, and Israel A. Englander reported a beneficial ownership of 4.1% in Proem Acquisition Corp I, indicating they ceased to be 5% beneficial owners.