SKT, NTT, Chunghwa Launch $500M AI Investment Fund

Yonhap reports that SK Telecom, NTT and Chunghwa Telecom have agreed to form a joint investment company to manage a roughly $500 million (70-plus billion yen) fund for AI-related technology investments. Yonhap names the management vehicle as Catalight Capital; Yomiuri Shimbun and NHK, reporting from NTT's side, call the initiative the IOWN AI Fund -- named after NTT's Innovative Optical and Wireless Network platform. Chosun uses the spelling 'AION AI Fund', which appears to be a Korean-language transliteration of IOWN. Total Telecom reports the fund is set to be established by end of June 2026. Yonhap and Chosun report the fund will target startups in North America, Asia and Europe across the AI value chain. Yomiuri, via UPI and AsiaToday, reports more than 10 Japanese companies have expressed interest -- including Toshiba, Sony Group, Fujitsu, and the three major megabanks (Mitsubishi UFJ Bank, Sumitomo Mitsui Banking Corp., Mizuho Bank) plus Sumitomo Mitsui Trust Bank and the government-affiliated Development Bank of Japan. NHK puts total potential investors at around 20. Yonhap and Chosun report SK hynix is preparing to join the fund.

Yonhap reproduces language from an SK Telecom release: "We expect the fund will serve as an opportunity to connect the AI, ICT, semiconductor and network technology capabilities of East Asian countries, including South Korea and Japan, with the global innovation ecosystem."

Industry reporting frames the fund as focused on three broad technology clusters: AI data-center infrastructure (including cooling and power efficiency), AI semiconductors, and optical communications. Total Telecom specifically links the initiative to NTT's IOWN concept, which uses light rather than electricity for data transmission to reduce energy per bit for AI workloads -- a design relevant to the power constraints of large-scale generative AI deployments. Companies working on photoelectric fusion, thermal management, and domain-specific accelerators are the likely target profile.

Regional telecom incumbents have growing incentives to finance the AI infrastructure stack because large-scale AI workloads concentrate demand on data-center power, network capacity and specialized silicon. For chipmakers and startups, a telecom-backed fund offers potential commercial pathways -- operator trials, interoperability testing and pilot projects -- not just financial capital. SK Group's dual involvement (SK Telecom for network, SK hynix for memory silicon) adds a supply-chain integration angle beyond passive investment.

• •Investor roster at close: NHK reports around 20 potential investors; confirmed commitments from silicon vendors and megabanks will signal whether this is a strategic collaboration model or primarily financial vehicle.
• •Portfolio emphasis: whether early investments prioritize optical networking, thermal/cooling technologies, or domain-specific accelerators will clarify the fund's technical thesis and synergies with NTT's IOWN and SK Group assets.
• •Chunghwa Telecom's SEC filing confirms the Taiwan operator's participation; watching for similar filings from other named participants.

Practitioners tracking AI infrastructure should view this as additional capital flow into non-model segments of the stack -- cooling, power efficiency, photonics and accelerator specialization. The operator-led structure may accelerate vendor validation cycles and create commercial pathways for startups and integrators working on energy-efficient, high-throughput AI deployments.