Kostecsys (355150) Q4 2025 earnings summary

Executive summary

• Achieved a turnaround in 2025 with revenue up 7.1% year-over-year to KRW 15,220 million, driven by strong growth in power semiconductor spacer sales and improved cost structure.

• Operating income turned positive at KRW 184 million, reversing a prior year loss, while net loss narrowed to KRW 562 million from KRW 1,794 million in 2024.

• Major investments in production capacity and R&D, with non-current assets up 66% and aggressive capital expenditures to support future growth.

Financial highlights

• Revenue: KRW 15,220 million in 2025, up 7.1% from 2024.

• Operating income: KRW 184 million (2024: loss of KRW 1,894 million).

• Net loss: KRW 562 million, a significant improvement from KRW 1,794 million loss in 2024.

• Cash and cash equivalents increased 33% to KRW 1,489 million.

• Total assets grew 40% to KRW 56,005 million, mainly due to facility investments.

Outlook and guidance

• Focus on expanding power semiconductor and AI data center markets, leveraging proprietary thermal management technologies.

• Plans to maintain liquidity above 100% and continue investments in production and R&D.

• Management highlights risks from supply chain, raw material prices, and customer qualification delays.