Kostecsys (355150) Q1 2026 earnings summary

Executive summary

• Specializes in semiconductor packaging, focusing on thermal management and high-reliability solutions for AI, data centers, EVs, and RF communications.

• Key products include RF ceramic packages, power semiconductor spacers, and high thermal metal-ceramic platforms.

• Over 90% of sales are export-driven, with major customers in the US, China, Taiwan, and Europe.

Financial highlights

• Q1 2026 revenue: KRW 5.45 billion, up from KRW 3.85 billion in Q1 2025.

• Operating income: KRW 1.13 billion (Q1 2026) vs. operating loss of KRW 0.39 billion (Q1 2025).

• Net profit: KRW 947 million (Q1 2026) vs. net loss of KRW 353 million (Q1 2025).

• Cash and cash equivalents at period end: KRW 2.44 billion, up from KRW 1.49 billion at prior year-end.

Outlook and guidance

• Expanding into AI data center and high-power semiconductor packaging markets.

• Focus on developing advanced thermal management and 3D packaging solutions.

• Targeting growth in 5G/6G, EV, and AI infrastructure sectors.