Key Takeaways
- SK Hynix shares tumbled approximately 5% during Seoul trading sessions, marking the steepest decline in a fortnight, following Bloomberg’s report on Solidigm’s potential US public listing.
- Solidigm could go public with a valuation reaching $100 billion by 2027.
- Related stocks also suffered: SK Square plunged over 8% while SK Inc. declined more than 6%.
- The Solidigm business emerged from SK Hynix’s $9 billion acquisition of Intel’s NAND and solid-state drive operations.
- Despite Monday’s selloff, SK Hynix’s American Depositary Receipts trade approximately 25% higher than their initial Nasdaq listing price.
Shares of SK Hynix experienced a significant downturn on Monday, plummeting roughly 5% in what became the company’s most challenging trading day in two weeks. The decline came on the heels of a Bloomberg report indicating that Solidigm, SK Hynix’s American storage division, is exploring the possibility of going public.
According to industry sources, the prospective public offering could materialize as early as the coming year. Market analysts suggest the listing might command a valuation approaching $100 billion.
During after-hours trading in the United States, SK Hynix’s ADRs declined over 3% before Monday’s opening bell. Nevertheless, the stock maintains a position roughly 25% above its initial Nasdaq debut price of $149.
The market response extended beyond SK Hynix itself. SK Square, which holds the largest stake in the company, saw shares plummet more than 8%. Meanwhile, SK Inc., the controlling entity behind SK Square, registered losses exceeding 6%.
Wider market headwinds contributed to the downturn as well. Semiconductor manufacturers, including Samsung Electronics, experienced declines as oil prices surged and market participants adopted a more cautious stance.
The Strategic Importance of Solidigm
The Solidigm business unit came into existence following SK Hynix’s purchase of Intel’s NAND flash and solid-state drive operations through a $9 billion transaction. This acquisition provided SK Hynix with strategic access to the enterprise SSD market and data-center storage segment.
This represents a distinct market from SK Hynix’s primary focus areas of DRAM chips and high-bandwidth memory products. Solidigm’s solid-state drive portfolio connects directly to the expanding AI data-center infrastructure market, a sector SK Hynix has identified as critical for future expansion.
The ownership arrangement places Solidigm under a US-based SK Hynix subsidiary named AI Company. This configuration effectively makes Solidigm a second-tier subsidiary, or “grandchild company,” within the broader SK Group corporate family.
Corporate Governance Questions
A public listing would introduce additional complexity to what’s already an intricate ownership hierarchy. The Korea Corporate Governance Forum, a nonprofit organization representing investment industry professionals, issued a warning in August recommending that SK Hynix abandon the IPO plans entirely.
The organization contends that a US public offering would exacerbate SK’s multi-layered ownership model. This type of framework allows top-level control through a network of minority holdings rather than straightforward majority ownership.
However, not all market observers view the development negatively. Jung In Yun, who serves as chief executive at Fibonacci Asset Management Global, described his stance as “watchful rather than alarmed.”
According to Yun, a US public listing could release trapped value within Solidigm while providing capital for the unit’s growth initiatives. The downside is that existing SK Hynix shareholders would surrender a portion of Solidigm’s future profit potential.
He highlighted two critical considerations: the IPO pricing and the deployment of raised capital. Divesting a modest stake at favorable terms could generate shareholder value, Yun explained, whereas excessive dilution without demonstrable investment returns would prove detrimental.
SK Hynix has delivered impressive performance since its Nasdaq introduction less than three months ago. The ADRs began trading at $170 after an offering price of $149, subsequently reaching a post-debut peak of $198.63 on September 9ārepresenting approximately 33% appreciation from the initial price.
While Monday’s retreat reduced some of those advances, it didn’t eliminate them entirely. SK Hynix continues trading roughly 25% above its US market debut level.





