SK Telecom Launches AI Data Center Infrastructure Company 'SK Horizon' and Secures Investments from KKR and IMM
SK Telecom (SKT) is spinning off its AI data center and submarine cable businesses into a new company, SK Horizon, with investments totaling KRW 3.08 trillion from KKR and IMM Investment-Stonebridge. SKT will retain a 51% stake, while KKR and IMM will hold 29% and 20%, respectively. SK Horizon will expand its data center capacity and submarine cable infrastructure, focusing on AI data center (AIDC) growth. The surviving company, SK Broadband, will concentrate on fixed-line, media, and enterprise
How this was made

The 30-second read
Why it matters
The equity infusion and spin‑off provide a clear growth pathway for AI infrastructure, potentially improving SK Telecom's revenue mix and valuation.
Market read
The announcement could drive short‑term upside for SKM and signal increased capital flow into AI data center infrastructure.
What to watch
Regulatory approvals and integration challenges for the new submarine cable assets may delay benefits.
Background
SK Telecom is restructuring its AI infrastructure business, creating SK Horizon to focus on AI data center expansion and securing major foreign and domestic investors.
Ticker impact
SK Telecom announced a spin‑off creating SK Horizon and secured a KRW 3.08 trillion equity investment from KKR and the IMM consortium.
upside pressure on SKM as investors price in growth potential of the new AI data center platform.
Large-scale investment and clear governance changes are material and likely to be reflected in the stock price within weeks.
Market effects
Strengthens the AI data‑center and telecom infrastructure sector in Korea, may spur competitor investments.
Positive for South Korean tech equities and related infrastructure funds.
Highlights growing demand for AI‑grade data center capacity worldwide.
Counterpoint
The spin‑off could dilute SK Telecom's core telecom earnings and increase execution risk.
Key entities
- CompanySK Telecom
South Korean telecom operator launching AI data center spin‑off.
- InvestorKKR
Global investment firm providing part of the KRW 3.08 trillion equity investment.
- InvestorIMM Investment‑Stonebridge consortium
South Korean investment group co‑investing in SK Horizon.




