[Stock in Focus] TMC Doubles on KOSPI Debut

Last New Listing on the KOSPI This Year

TMC, a company specializing in industrial special cables, recorded a "double" (twice the offering price) on its first day of listing.

As of 9:38 a.m. on December 15, 2025, TMC shares were trading at 20,250 won on the Korea Exchange, up 117.74% from the offering price of 9,300 won. The stock opened at 22,550 won and at one point during the session soared to 22,900 won.

TMC manufactures and sells industrial special cables for ships, offshore plants, optical communications, and nuclear power plants. It is the last new listing on the Korea Exchange for this year.

In the institutional investor demand forecast conducted from November 21 to 27, 2,136 domestic and overseas institutions participated, resulting in a competition ratio of 960 to 1. The offering price was set at the upper end of the desired range, 9,300 won.

In the public subscription for general investors held on December 3 and 4, the competition ratio reached 1,305.47 to 1. The subscription deposit raised totaled 11.1089 trillion won.

TMC plans to use the funds secured through this initial public offering (IPO) to expand production capacity at its U.S. subsidiary. The company aims to shorten delivery times through local production and accelerate its entry into the North American optical communication market by collaborating with major U.S. optical cable companies.