Solidigm's US NAND Factory Plan Faces South Korean IPO Restrictions

SK hynix's plans to expand NAND flash manufacturing in the United States through its subsidiary Solidigm are facing new regulatory challenges, as South Korean authorities question whether a potential Nasdaq listing would violate shareholder protection rules. The development could complicate Solidigm's efforts to raise billions of dollars for a new semiconductor facility while negotiating permission to export American manufacturing equipment to its existing NAND operations in China.

According to an October 19 Reuters report, Financial Supervisory Service Governor Lee Chan-jin told lawmakers that both the Financial Supervisory Service (FSS) and Financial Services Commission (FSC) consider Solidigm's proposed US listing potentially inconsistent with South Korea's restrictions on dual listings. The issue arises because SK hynix is already publicly traded, meaning listing its subsidiary separately could reduce the economic interests of existing shareholders. Solidigm is reportedly considering an initial public offering as early as 2027, with preliminary estimates suggesting a valuation of up to $150 billion, although neither the listing nor that valuation has been finalized.

South Korea introduced stricter shareholder protection requirements in July 2026, requiring companies to assess the impact of subsidiary listings and establish appropriate protections for existing investors. Regulators are currently awaiting an official legal interpretation of whether Solidigm would also need to submit a domestic securities registration despite pursuing a listing in the United States. The authorities have expressed opposition, but no final decision has been issued that prevents Solidigm from proceeding with an American IPO.

The regulatory uncertainty is particularly significant because Solidigm's financing strategy is reportedly connected to SK hynix's manufacturing operations in Dalian, China. An earlier Reuters investigation revealed that SK hynix is seeking additional US export licenses for semiconductor manufacturing equipment intended for its Dalian facility. The company wants to equip an unfinished production area known as Mod B, constructed in 2023, using machinery from suppliers including Lam Research, Applied Materials, and KLA.

SK hynix maintains that the equipment installation is being handled in consultation with US authorities and that it is not seeking a capacity expansion for Mod B. However, sources familiar with the discussions indicate that increased NAND production from China could help finance a future American factory, potentially creating a transition toward greater US manufacturing capacity. The proposed arrangement remains subject to US export approval, particularly because Washington has tightened restrictions on supplying advanced semiconductor equipment to Chinese facilities.

The Nasdaq offering represents another potential source of funding, although a high market valuation does not necessarily translate into an equivalent amount of capital raised. Solidigm would still need to determine how much equity to sell and how the proceeds would be allocated. SK hynix has also been linked to potential manufacturing cooperation involving Intel's Ohio facilities, although it previously denied reports that it had decided to acquire the site.

The situation comes as demand for enterprise SSDs and NAND flash continues to strengthen, driven by AI infrastructure and cloud storage expansion. While additional production could eventually improve supply, Solidigm's proposed American factory still lacks a confirmed investment amount, construction schedule, and production timeline. Its future now depends on navigating both US semiconductor export policy and South Korean financial regulations.

Solidigm's situation illustrates how semiconductor manufacturing expansion increasingly depends on more than technology and available capital. SK hynix must balance the interests of South Korean shareholders, American manufacturing priorities, and its existing production infrastructure in China.

The potential Nasdaq listing could provide considerable financial flexibility, but regulators are concerned that separately listing a valuable subsidiary could weaken the interests of existing SK hynix investors.

Meanwhile, obtaining additional equipment for Dalian could improve Solidigm's near term production flexibility, but linking that investment to a future US factory introduces further political and regulatory uncertainty.

For the global NAND industry, the distinction matters. Expanding output at an existing facility could influence supply considerably sooner than constructing an entirely new semiconductor factory. However, neither project should be treated as confirmed additional capacity until the necessary approvals and investments are secured.

Should SK hynix prioritize expanding Solidigm's existing NAND production in China, or would building a new US factory offer greater long term advantages despite the higher costs and regulatory challenges?