Polar Asset Management Partners Inc. Acquires 1.7% Stake in D Boral ARC Acquisition I Corp

Polar Asset Management Partners Inc., an Ontario-based investment advisor, filed a Schedule 13G/A on May 15, 2026, regarding its holdings in D Boral ARC Acquisition I Corp (BCAR). The filing indicates that as of March 31, 2026, Polar Asset Management beneficially owns 488,064 Class A ordinary shares, representing a 1.7% ownership stake in the company. This reflects an increase from a previous 0.0% position. The shares are held directly by Polar Multi-Strategy Master Fund (PMSMF), a Cayman Islands exempted company for which Polar Asset Management serves as the investment advisor. The reporting person maintains sole voting and dispositive power over all 488,064 shares. According to the filing, these securities were acquired in the ordinary course of business and are not held for the purpose of changing or influencing the control of the issuer. The filing was signed by Andrew Ma, Chief Compliance Officer.