Korea Tech Daily — April 5, 2026

Top Story

South Korea is racing to scale artificial intelligence at an extraordinary pace, but the real test now is proving viability. According to KoreaTechDesk, founders and investors across Korea's AI ecosystem are confronting tougher questions about real demand, rising computational costs, and whether business models can sustain long-term growth. This comes as South Korea has committed to a sweeping $735 billion sovereign AI initiative — a figure that includes Samsung Electronics' staggering $230 billion AI infrastructure investment through 2030. The tension between ambition and execution has become the defining story of Korean tech in early 2026, as the country attempts to translate massive capital deployment into durable competitive advantage.

Samsung · SK Hynix · LG

Samsung and SK Hynix Bond-Hybrid ETF Race Expands to Four-Way Contest The Samsung–SK Hynix hybrid ETF market has grown into a competitive four-way contest, with early mover KB reporting the second-highest monthly net asset growth. Samsung, Hana, and Kiwoom have now launched their own versions of the product, with each fund allocating 50% to Samsung Electronics and SK Hynix shares, with bonds filling the remainder. Industry observers note that mid-sized firms will need to find meaningful differentiation to compete in a crowded field.

Samsung, SK Hynix Shares Resume Gains on April 3 Samsung Electronics and SK Hynix kicked off April 3 with fresh gains of approximately 4% and 6% respectively, extending the KOSPI's upward movement. As of 1 p.m. on the day, Samsung Electronics traded at around ₩185,500 and SK Hynix at approximately ₩280,000. The rally continues to be underpinned by expectations surrounding HBM demand and improving geopolitical conditions.

Korea Greenlights Single-Stock 2x Leveraged ETFs for Samsung and SK Hynix Only South Korea's Financial Supervisory Service (FSS) has confirmed that single-stock 2x leveraged, inverse, and covered call ETFs will be permitted exclusively for Samsung Electronics and SK Hynix on domestic exchanges, with launches expected as early as May. The regulatory decision has narrowed the field to only these two chip heavyweights, while SK Hynix has emerged as the top pick among fund managers due to its approximately 3.7x forward price-to-earnings ratio — well below Samsung's roughly 6.3x.

Naver · Kakao · LINE

Naver and Kakao Accelerate Tech Push with Expanded Startup Investments Naver and Kakao are stepping up efforts to secure future growth engines by broadening investments in high-potential startups across fields including healthcare and AI-native services. The venture arms of both companies — Naver D2SF and Kakao Ventures — are sharpening their investment strategies to build long-term partnerships as both firms pursue agentic AI capabilities and global expansion. The move follows a year of AI business overhauls at both companies and signals a commitment to ecosystem-building beyond their core platforms.

Naver and Kakao Accelerate Agentic AI Push Korea's two dominant internet platforms are racing to deploy agentic AI across their flagship services, according to a detailed analysis by the South Korean Network. Naver has launched an AI shopping agent and is preparing an AI-powered search tab for the second quarter of 2026, backed by more than ₩1 trillion (approximately $691 million) in AI investment. Kakao is pursuing parallel deployments in travel and financial services, with all new AI capabilities housed in a redesigned AI Tab. Both companies are treating 2026 as the year agentic AI moves from roadmap to revenue.

Korea's Fund of Funds Must Support Deep Tech Globalization, Regional Ventures Korea's Ministry of SMEs and Startups held its first Fund of Funds policy forum of 2026, with discussions centering on how to better support deep tech startups seeking global market entry and revitalizing regional venture ecosystems beyond Seoul. The forum highlighted a growing government priority to ensure that the benefits of Korea's AI investment boom reach companies and talent pools outside the capital region.

1 sources

koreatimes.co.kr

koreatimes.co.kr

Startups & Investment

Rebellions Raises $400M at $2.34B Valuation in Pre-IPO Round South Korean AI chip startup Rebellions has raised $400 million in a pre-IPO funding round, valuing the company at approximately $2.34 billion. The Seongnam-based company, which designs chips specifically for AI inference workloads, is planning to go public later in 2026. Rebellions is positioning itself as a challenger to Nvidia's dominance in AI inference silicon and is accelerating its expansion into the U.S. market with proceeds from this round.

South Korea's $735B Sovereign AI Initiative: Infrastructure Requirements and Opportunities A new analysis from Introl details the infrastructure implications of South Korea's $735 billion sovereign AI push, noting that Samsung Electronics' $230 billion commitment through 2030 represents just one piece of a broader national strategy. The report identifies specific opportunities in AI data centers, power infrastructure, and semiconductor supply chains, while cautioning that execution risk at this scale is significant. The initiative places Korea among the most aggressive sovereign AI spenders globally.

Policy & Industry

Korea's AI Startup Ecosystem Faces Viability Test as Scaling Accelerates Even as government policy and corporate investment pour capital into Korea's AI sector, the fundamental challenge of building sustainable businesses is coming into sharp focus. KoreaTechDesk reports that across the ecosystem, investors are now demanding evidence of real user demand and credible paths to profitability — not just technical capability or headline partnerships. Rising compute costs are squeezing margins for mid-tier AI startups, while the concentration of capital around a handful of large platforms risks leaving a long tail of companies underfunded. Korea's Ministry of SMEs and Startups is responding with new Fund of Funds frameworks aimed at distributing support more broadly, but the structural pressure on startups to prove value quickly is intensifying.

What to Watch

• Rebellions IPO timeline: The $2.34 billion AI chip startup is targeting a public listing later in 2026. Watch for a formal IPO filing and roadshow announcements as the company deploys its $400 million pre-IPO raise toward U.S. market expansion.
• Single-stock ETF launches: Samsung Electronics and SK Hynix single-stock 2x leveraged ETFs are expected to launch as early as next month on Korean exchanges. Monitor FSS final approvals and the four competing fund managers' differentiation strategies.
• Naver AI Tab rollout: Naver's AI-powered search tab is expected to go live in the second quarter of 2026. The launch will be a key test of whether Naver's agentic AI investments can translate into measurable user engagement and revenue growth against domestic and global competition.