SK ie technology

SK아이이테크놀로지 · 361610

Industrials Electrical Equipment · KOSPI

Small-cap

Market cap US$1.1B (₩1.5T)

Overview

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

Financials

Source: DART · FY ending Dec · latest FY2025
Revenue · FY2025
US$189.8M
▲ +20.2% YoY
Operating profit · FY2025
−US$178.5M
Loss narrowed
Net income · FY2025
−US$153.2M
Loss narrowed

Revenue

  • FY2023US$470.7M
  • FY2024US$157.9M
  • FY2025US$189.8M

Operating profit

  • FY2023US$23.2M
  • FY2024−US$210.9M
  • FY2025−US$178.5M

Net income

  • FY2023US$59.5M
  • FY2024−US$178.7M
  • FY2025−US$153.2M

Key ratios (FY2025)

ROE
-8.1%
Debt/Eq
68.8%
Op. margin
-94.1%
Net margin
-80.7%
Rev. YoY
▲ +20.2%

Why it matters

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.

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For informational purposes only. This is not investment advice, a recommendation, or a solicitation to buy or sell any security. Do your own research; any investment decision is your own responsibility.

Data from DART, Korea's official corporate-filing system. Data sourced from official DART filings. Accuracy is not guaranteed. Figures are as of the date shown. As of 2026-06-12 (KST). · FX: 1 USD ≈ ₩1,380 (2026-06-01).

Company summaries are generated and may contain errors; financial figures are mapped directly from official filings.