SoftBank Group completes OpenAI tranche. SoftBank Group stock gains 4.34 percent

SoftBank Group (JP3436100006) was trading at EUR 27.42 at Lang & Schwarz on October 19, 2026 at 9:45 a.m. CEST, up 4.34 percent versus the Xetra close of October 16, 2026 at EUR 26.28. The move follows the completion of SoftBank's third OpenAI investment tranche, a transaction disclosed by SoftBank Group on October 1, 2026. The final tranche amounted to USD 10.0 billion, taking SoftBank Group's previously announced follow-on investment program to USD 30.0 billion. The company said its cumulative investment in OpenAI had reached USD 64.6 billion, representing an ownership interest of approximately 13 percent as of October 1, 2026. The transaction was funded through senior notes issued in September.