As of 2 p.m. on Tuesday, LG Innotek was trading at 489,500 won, up 64,500 won, or 15.18%, from the previous session, according to the Korea Exchange. The stock rose as high as 505,000 won during the session, marking a new all-time high.
Brokerages said market conditions are improving quickly for high value-added substrates such as multilayer boards (MLB) and flip-chip ball grid array (FCBGA). They said a trend of higher supply prices that began with FCBGA is spreading across the broader substrate lineup.
U.S. big-tech customers are reported to be placing orders early and offering investment support to secure FCBGA supply. As global substrate makers focus on expanding FCBGA capacity and developing technology, supply of some lower-end substrates is becoming constrained, the report said.
The supply limits are also spreading to other products, including system-in-package (SiP) substrates, adding to upward pressure on prices. The industry expects benefits to widen in stages, from high-layer FCBGA to general-purpose and low-priced FCBGA, and then to SiP substrates.
Park Hyeong-woo, an analyst at SK Securities, said LG Innotek’s substrate division is expected to post about 1.4 trillion won in revenue and about 200 billion won in operating profit this year. He said the company’s current valuation is undervalued compared with domestic substrate makers with similar earnings scale. Park added that growth prospects for SiP substrates remain intact after FCBGA, and that considering the largest customer’s 2027 production expansion plan, year-on-year profit growth is likely to continue for six consecutive quarters.
* This article has been translated by AI.
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