Marex Securities Products Inc. Acquires 6.0% Stake in POET Technologies Inc.

On May 19, 2026, Marex Securities Products Inc. and its parent company, Marex Group plc, filed a Schedule 13G with the SEC, disclosing a significant new ownership stake in POET Technologies Inc. (POET). The filing indicates that as of May 14, 2026, the reporting entities collectively acquired beneficial ownership of 9,150,000 shares of POET's common stock. This position represents approximately 6.0% of the company's outstanding shares. The filing was made under Rule 13d-1(c), which typically indicates a passive investment intent. Marex Securities Products Inc., a Delaware-based corporation, and Marex Group plc, based in the United Kingdom, reported sole voting and dispositive power over the entire 9,150,000 share block. This transaction marks a substantial entry into POET Technologies by the Marex entities, as their previous holdings were reported as zero. The filing confirms that the securities were not acquired for the purpose of changing or influencing the control of the issuer.