Japanese Space Infrastructure Company Interstellar Technologies Secures Additional 8.9 Billion JPY in Series F Funding Round

Led by Takahiro Inagawa(CEO and Director of the Board), Satoshi Nakayama(Member of the Board of Directors, Vice President of Launch Vehicle), Keiji Atsuta(Member of the Board of Directors, Chief Operating Officer), and Takahiro Tsuji(Member of the Board of Directors, Chief Financial Officer), Interstellar Technologies has announced the successful additional raising of 8.9 billion JPY (61.8 million USD) funding for its Series F round. This includes a 6.5 billion yen ($45.1 million) equity financing by Sumitomo Mitsui Banking Corporation,  one of the world’s top financial institutions, Space Frontiers Fund II, one of Japan’s largest space-focused funds operated by SPARX Asset Management, Japanet Holdings, a prominent mail-order and regional revitalization company in Japan, and existing investors. An additional 2.4 billion JPY (16.7 million USD) was secured through debt financing.

Interstellar has secured a business alliance and equity investment from Sumitomo Mitsui Banking Corporation—its first in a space startup—to strengthen Japan’s space supply chains. With backing from Toyota Group’s Woven and government programs, the company is scaling its orbital launch vehicle, ZERO, and developing satellite systems in a vertically integrated model. The funding will accelerate launch vehicle production and satellite R&D.