Picton Mahoney Asset Management's Schedule 13G Filing for T-MOBILE USA

Picton Mahoney Asset Management, a Canadian investment fund manager, filed a Schedule 13G with the SEC, disclosing beneficial ownership of 1,020,000 preferred shares of T-MOBILE USA, representing 6.48% of the outstanding shares. The filing, made under Rule 13d-1(b), certifies that the shares were acquired in the ordinary course of business and not for the purpose of influencing control of the issuer. The filing was signed by Catrina Duong, Chief Compliance Officer, on October 14, 2025.