SK Telecom (NYSE: SKM) said on August 27, 2026 that it will split its wholly owned subsidiary SK Broadband in two, moving the data center and submarine cable businesses into a newly established company called SK Horizon while the surviving SK Broadband keeps fixed-line, media and enterprise operations. The book-value split ratio is roughly 0.84 to the surviving company and 0.16 to the new one.

Alongside the spin-off, SKT signed a definitive agreement for a combined KRW 3.08 trillion equity investment in SK Horizon from funds managed by KKR and from the IMM Investment–Stonebridge consortium. Once all phases of the investment close, KKR will hold 29% and the IMM consortium 20%, with SKT retaining management control at 51%. SK Horizon will carry eight operating data centers plus new AI data centers under construction in Ulsan and Guro, targeting 318 MW of total capacity. The company is due to be established in the first quarter of 2027, subject to an extraordinary general meeting of shareholders and government approvals.

Executive Summary

What SK Telecom announced is, on paper, a corporate reorganization. In practice it is a financing structure. Building AI data centers — facilities purpose-built to host the dense, power-hungry servers that train and run AI models — has become a capital problem that does not sit comfortably inside a telecom operator’s profit-and-loss statement. Carriers are valued on stable cash flows and dividends; multi-year, multi-billion-dollar construction programs with uncertain lease-up are valued on entirely different terms. SKT’s answer is to put the assets in a separate vehicle where infrastructure investors can fund them directly.

The capital comes from two very different pockets. KKR is one of the largest infrastructure investors globally, with over USD 100 billion in infrastructure assets under management and more than USD 70 billion deployed across digital and power assets; it is investing primarily from its Asia Pacific infrastructure strategy. The IMM Investment–Stonebridge consortium brings domestic Korean institutional capital — IMM manages over USD 7.5 billion, and Stonebridge has roughly KRW 3.6 trillion (USD 2.5 billion) in cumulative AUM. IMM’s infrastructure head framed the deal explicitly around “digital sovereignty,” pairing global capital with domestic ownership.

The structure matters as much as the money. SKT keeps 51% and management control, so SK Horizon remains consolidated and strategically directed, while 49% of the equity risk and funding burden is shared with outside investors. That is the template infrastructure investors have used for towers, fiber and power assets for a decade, now applied to AI compute capacity. If it works in Korea, other carriers sitting on data center estates will read it as a playbook.

Why the Carrier Balance Sheet Ran Out of Room

A telecom operator’s financial profile is built for predictability. Investors buy carriers for recurring subscription revenue and dividends, and they penalize capital intensity that does not convert quickly into cash. AI data center construction inverts that: heavy upfront spending on land, power connections, cooling and shell, with revenue arriving only after tenants sign and equipment lands. SKT’s own release makes the motive plain — the restructuring is meant to “enable focused investment” and let the unit “more effectively secure funding for key business areas, including through external investment.”

Separating the assets solves several problems at once. A standalone infrastructure company can raise equity from investors who underwrite long-duration assets on infrastructure return expectations rather than telecom multiples. It can also borrow against contracted capacity in ways a diversified carrier subsidiary cannot as cleanly. And it gives the parent a clean line between the businesses it wants valued for growth and the businesses it wants valued for stability — the surviving SK Broadband is explicitly pointed at fixed-line, media and enterprise.

The trade-off is dilution of economics. SKT is giving up 49% of the upside in what it calls Korea’s leading AI data center platform in exchange for capital and speed. Whether that is a good trade depends entirely on numbers the release does not provide: the valuation implied by KRW 3.08 trillion for a 49% stake, and how much of the buildout that money actually funds.

Three Companies, One Buildout — and a Gap Worth Noticing

SKT has now described a three-tier structure. SKT itself sets strategy and handles relationships with global big tech customers. SK Horizon operates and expands the existing estate — eight live data centers in Seocho, Ilsan (two sites), Bundang, Gasan, Centum, Yangju and Pangyo, plus new AI data centers under construction in Ulsan and Guro, working toward 318 MW of total capacity. SK Hyper, established in July 2026, handles business development for new gigawatt-scale projects, with 5 GW targeted for phased opening in 2029 and expansion toward 15 GW by 2035.

The gap between those figures is the single most important thing in the announcement, and it deserves plain language. Capacity in this industry is measured in megawatts of IT power, because power — not floor space — is the binding constraint. SK Horizon’s 318 MW target is roughly 0.3 GW. SK Hyper’s stated ambition is 15 GW, or about forty-seven times larger. The KRW 3.08 trillion announced here is an investment in SK Horizon, the operating platform, not in the 15 GW program.

That does not make the announcement small — a 318 MW portfolio with live, revenue-generating assets is a genuine platform, and having outside capital validate it is meaningful. But readers should not conflate the two. This deal funds the near-term expansion of an established estate. The gigawatt-scale ambition remains, on the evidence in this release, unfunded and undisclosed as to financing. Reading the announcement as “KKR is funding SKT’s 15 GW plan” would be wrong.

What Infrastructure Capital Is Actually Underwriting

KKR’s partner on the deal points to three things: an established operating platform, capacity under development, and a strong strategic partner. That is a fair summary of what makes a minority infrastructure position financeable. Operating assets generate cash from day one. Development pipeline provides growth without a greenfield land grab. And a 51% parent with customer relationships to global cloud and AI buyers reduces the risk that the platform is built and not filled.

The minority-with-control structure is deliberate on both sides. SKT avoids deconsolidation and keeps strategic direction. Investors get exposure without operating responsibility, and typically negotiate governance protections and exit mechanisms — neither of which the release describes. The presence of domestic Korean institutional capital alongside a global firm is also not incidental: critical national infrastructure carrying international submarine cable landings tends to attract regulatory attention, and a domestically anchored ownership structure is easier to approve.

For enterprise buyers, the practical read is mixed. A separately capitalized operator with committed equity behind it is generally a more reliable landlord than a subsidiary competing internally for capital. But private-equity-backed infrastructure also runs on return targets and eventual exits, which over a multi-year contract horizon can influence pricing discipline and reinvestment. Buyers signing long leases should ask about the investment’s phasing and about investor rights, not just the headline number.

Submarine Cables and the Sovereignty Argument

The less-discussed half of the carve-out is submarine cable infrastructure, which SK Horizon will expand in phases. Subsea cables are the fiber-optic lines on the ocean floor that carry essentially all intercontinental internet traffic. For AI specifically, they matter because training data, model weights and inference traffic move between regions, and because a data center campus is only as useful as the international capacity connecting it.

Bundling cables with data centers in a single vehicle is a coherent strategy: it lets one company sell capacity and connectivity together, and it is a structure that has proven attractive to infrastructure investors elsewhere because both asset classes share long lives and contracted revenue. IMM framed both as “core infrastructure assets shaping Korea’s digital sovereignty and industrial competitiveness” — a positioning argument that is currently more assertion than demonstrated outcome, but one that aligns with how several governments now treat compute and connectivity.

The competitive context is worth stating without overstating it. Korea has real advantages for AI infrastructure — dense fiber, an advanced digital economy, and domestic semiconductor and manufacturing demand. It also faces the same constraint every market faces: power availability and grid interconnection timelines. The release does not address power procurement at all, which is the question that determines whether any of these capacity targets are achievable on schedule.

Background

SK Telecom has operated in telecommunications since 1984 and is listed in the United States on the NYSE under the ticker SKM. In recent years it has repositioned around what it describes as a full-stack AI ecosystem spanning infrastructure, models and services. SK Broadband, its wholly owned subsidiary, has been the group’s fixed-line, media and data center arm, and the eight facilities now moving to SK Horizon make it one of Korea’s larger data center operators.

This announcement is the third step in a sequence rather than a standalone move. SKT previously said it would pursue an AI data center buildout of up to 15 GW with the aim of becoming an Asian AI infrastructure hub, and signed a memorandum of understanding with Supermicro and Schneider Electric covering total solutions for AI data center deployment. It established SK Hyper in July 2026 to develop new gigawatt-scale projects. With SK Horizon, the group now has a defined three-part structure: SKT setting strategy and handling global big tech relationships, SK Horizon operating and expanding the existing estate, and SK Hyper developing the next generation of sites.

Source: SK Telecom Launches AI Data Center Infrastructure Company ‘SK Horizon’ and Secures Investments from KKR and IMM — SK Telecom’s August 27, 2026 announcement of the SK Broadband spin-off and the KRW 3.08 trillion equity investment from KKR and the IMM Investment-Stonebridge consortium.

Global investment firm KKR has launched Helix, a new venture aimed at building AI infrastructure at hyperscale, and has tapped former Amazon Web Services CEO Adam Selipsky to lead the effort. The announcement, reported June 16, 2026 by Data Center Frontier, frames Helix as an attempt to build a “new hyperscale model” — a cloud-scale computing platform purpose-built for artificial intelligence workloads — with a capital commitment coverage characterizes as running into the billions of dollars.

Executive Summary

The announcement pairs two things the AI infrastructure market watches closely: very large pools of private capital and proven hyperscale operating talent. KKR is one of the world’s largest alternative-asset managers and an established data center investor, while Selipsky ran AWS — the world’s largest cloud provider — from 2021 to 2024. Putting a former AWS chief executive at the head of a purpose-built AI infrastructure venture signals that KKR intends Helix to be an operating platform, not merely a real-estate or lending vehicle.

Why it matters: AI demand has strained the traditional hyperscale playbook, in which a handful of cloud giants self-fund and self-build their own capacity. A wave of alternative models — specialized GPU clouds, build-to-suit developers, and now investor-led platforms — is competing to finance and operate the next generation of AI data centers. Helix is a bet that private capital can own more of that stack directly. That said, the launch coverage is light on specifics: no disclosed capital figure, sites, customers, or timeline accompany the framing, so the scale of the bet remains asserted rather than itemized.

Why Private Capital Wants Its Own Hyperscaler

For most of the cloud era, hyperscale infrastructure — the massive, standardized data center fleets run by Amazon, Microsoft, and Google — was financed from those companies’ own balance sheets. AI training and inference have changed the math: capacity needs are growing faster than even the largest corporate balance sheets comfortably absorb, and the industry has increasingly turned to infrastructure funds, private credit, and joint ventures to carry the cost. KKR has been on the supplying side of that shift for years, including its co-acquisition of data center operator CyrusOne in 2022.

Helix, as framed, moves KKR up the stack — from landlord and financier toward operator. The economic logic is straightforward: the further up the stack you operate, the more of the AI value chain you capture, but the more operational and demand risk you take on. A firm that owns the facility, the compute platform, and the customer relationship earns more than one that only owns the shell — and loses more if utilization disappoints.

The Selipsky Signal

Leadership is the most concrete fact in this announcement, and it is a meaningful one. Adam Selipsky led AWS through 2021–2024, a period spanning the launch of the generative-AI boom, and before that built Tableau into a major software company as its CEO. Hiring an executive of that profile is a costly, credible signal: it suggests Helix aspires to hyperscale-grade engineering and go-to-market discipline rather than a pure asset-aggregation play.

It is also a recruiting and customer-credibility asset. Enterprises and AI labs committing multi-year capacity contracts weigh whether a new platform will still exist — and perform — in five years. A founding CEO who has run the largest cloud in the world addresses that question more directly than a capital commitment alone. Still, a leader is not a product: the announcement does not describe what Helix will actually sell, to whom, or how it differs technically from the incumbents Selipsky used to compete for.

What Could a “New Hyperscale Model” Mean?

The phrase invites scrutiny because the field of would-be alternatives is already crowded. Specialized GPU cloud providers (sometimes called “neoclouds”) rent AI compute directly; build-to-suit developers construct campuses against long-term hyperscaler leases; sovereign and utility-linked ventures bundle power with compute. If Helix simply combines KKR capital with leased or built capacity, it joins an existing category rather than creating one. If it integrates power procurement, facility ownership, and a cloud-style software platform under one roof, it would be a genuinely different structure — closer to a privately held fourth hyperscaler.

The winners-and-losers question follows from which version materializes. An operating hyperscaler backed by KKR would compete with the very cloud giants that are also KKR’s counterparties elsewhere, and with the neocloud cohort for GPUs, power, and talent. A financing-first version would compete mainly with other infrastructure funds. The launch materials, as reported, support the ambition but not yet the mechanism — a distinction buyers and investors should keep in view.

Background

KKR, founded in 1976, is one of the world’s largest alternative-asset managers and a major force in infrastructure investing. Its digital-infrastructure portfolio includes the 2022 co-acquisition of hyperscale data center operator CyrusOne, positioning the firm as landlord and financier to the cloud industry well before this launch. Adam Selipsky spent over a decade at AWS across two stints, led Tableau as CEO in between, and ran AWS from 2021 until stepping down in 2024 — giving him firsthand experience of both the strengths and the strains of the incumbent hyperscale model.

The launch arrives amid a broader restructuring of how AI infrastructure gets financed. Surging demand for AI training and inference capacity has pulled infrastructure funds, private credit, and specialized GPU cloud providers into a market once dominated by three self-funding cloud giants, with capital commitments across the sector reaching historic scale.

Source: KKR Bets Big on AI Infrastructure With Helix Launch, Tapping Former AWS CEO Adam Selipsky to Build a New Hyperscale Model — Data Center Frontier’s June 16, 2026 report on KKR’s launch of the Helix AI infrastructure venture.