SK ie technology
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
SK ie technology makes the thin, porous film, called a lithium-ion battery separator (LiBS), that sits inside rechargeable batteries to prevent short circuits while letting ions pass through.
It supplies these separators to battery makers, which in turn serve electric-vehicle and energy-storage customers. Listed on KOSPI, Korea's main stock exchange, the company produces its separators at facilities in South Korea, China, and Poland, and also makes a ceramic-coated version of the separator designed for enhanced safety.
Summary is AI-generated and may contain errors · figures from DART filings
The company brought its research-and-development centre in-house in a business-transfer agreement with SK Innovation, establishing an independent R&D centre in the process.
SK ie technology in five facts
What does SK ie technology do?
SK ie technology makes the thin, porous film, called a lithium-ion battery separator (LiBS), that sits inside rechargeable batteries to prevent short circuits while letting ions pass through.
Where is SK ie technology listed and in which sector?
SK ie technology (Korean name: SK아이이테크놀로지) trades under KRX code 361610 on KOSPI, the main board of the Korea Exchange. It is classified in the Industrials sector, Electrical Equipment.
How large is SK ie technology?
Its market capitalisation was US$1.1B on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were SK ie technology's latest annual revenue and operating profit?
For fiscal year 2025, SK ie technology reported revenue of US$197.7M, an operating loss of US$185.9M and a net loss of US$159.6M, per its annual report on DART (data retrieved from DART on 2026-06-03). Revenue was up 20.2% on the previous year.
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-06-03
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, converted from won at 1 USD ≈ ₩1,325 (2026-10-21 close)
- Company data updated
- 2026-10-21
- Company summary
- AI-generated from filings; may contain errors. Information only, not investment advice.
- [Amended] DisclosureSep 10
- Investor relations (IR) meeting (notice)Sep 9
- [Amended] Investor relations (IR) meeting (notice)Sep 9
- DisclosureM&A · Sep 4
- (correction order imposed) [Attachment amended] Material event report (merger)M&A · Aug 26
- Material event report (merger)
SK ie technology Co., Ltd., a subsidiary 53.35%-owned by SK Innovation Co., Ltd., will be absorbed into SK Innovation Co., Ltd. in a stock-for-stock merger at a ratio of 1 : 0.1174540 effective January 1, 2027; dissenting SK ie technology shareholders may exercise appraisal rights at an indicative price of US$10.58 per share, and a special committee of 4 independent directors advised by Yulchon LLC and Samjong KPMG reviewed the deal's fairness.
M&A · Aug 25 - Operating results (consolidated) (preliminary) (fair disclosure)
SK ie technology filed provisional (unaudited) consolidated results for Q2 2026: revenue of US$27.8M (−52.22% year on year), an operating loss of US$44.7M and a net loss of US$935M.
Earnings · Jul 30 - Rights offering (paid-in capital increase) decision (subsidiary)Capital raise · Jun 26
- [Amended] Decision to acquire shares/equity in another company
SK ie technology updated the disclosed terms of an acquisition of SK Hi-tech Battery Materials (Jiang su) Co., Ltd., now worth US$162M.
M&A · Jun 26 - Decision to acquire shares/equity in another company
SK ie technology disclosed an acquisition of SK Hi-tech Battery Materials (Jiang su) Co., Ltd., worth US$163M.
M&A · May 27 - Operating results (consolidated) (preliminary) (fair disclosure)
SK ie technology filed provisional (unaudited) consolidated results for Q1 2026: revenue of US$24.1M (−38.4% year on year), an operating loss of US$49.2M and a net loss of US$54.9M.
Earnings · May 13 - Rights offering (paid-in capital increase) decision (subsidiary)Capital raise · Apr 29
- Decision to acquire shares/equity in another company
SK ie technology disclosed an acquisition of SK Hi-tech Battery Materials (Jiang su) Co., Ltd., worth US$58M.
M&A · Apr 29 - [Amended] Supply contract signedSupply contract · Mar 31
- Change of 30% or more in revenue or profit/loss structure (15% for large companies)Earnings · Feb 2
- Operating results (consolidated) (preliminary) (fair disclosure)Earnings · Jan 28