Melcon rises more than 73% above IPO price on first day of KOSDAQ listing [Stock NOW]
- Input
- 2026-10-15 09:45:34
- Updated
- 2026-10-15 09:45:34

[Financial News] Melcon, a company specializing in ultra-precision environmental control systems for semiconductors, is trading well above its IPO price on its first day of listing on KOSDAQ.
As of 9:29 a.m. on the 15th, Melcon was trading at 21,350 won, up 9,050 won (73.58%) from its IPO price of 12,300 won. During the session, it rose as high as 28,800 won, a gain of 134.15% from the IPO price.
In an earlier demand forecast for institutional investors, Melcon recorded a subscription ratio of 1,136.84 to 1. A total of 2,405 institutional investors participated, and 99.9% of the shares subscribed for were bid at or above the upper end of the indicative price range.
The IPO subscription ratio for retail investors came in at 1,741.48 to 1. Subscription deposits totaled about 6.7 trillion won. The total offering amount is about 30.8 billion won, and the lead underwriter is Daishin Securities.
Founded in 2003, Melcon develops and supplies systems that precisely control environmental conditions—including temperature, humidity and gases—inside semiconductor photolithography equipment.
Its flagship products are THC, an ultra-precision temperature and humidity control unit, and XPS, an ultra-precision purification control system. THC is used in Tokyo Electron's coating and developing equipment, while XPS is integrated with ASML's lithography equipment.
Melcon plans to strengthen its capabilities for advanced semiconductor processes, including extreme ultraviolet (EUV), and expand into areas such as semiconductor testing and packaging and high-bandwidth memory (HBM) packaging processes. Last year, on a consolidated basis, revenue was 41.833 billion won and operating profit was 6.158 billion won.
[email protected] Lee Jeong-hwa Reporter