AUK
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
AUK makes discrete semiconductors, optical sensors, and LEDs, basic electronic components that detect light, manage electrical signals, and illuminate displays.
These components are supplied to makers of mobile devices, automobiles, consumer electronics, medical equipment, and robotics. Listed on KOSPI, Korea's main stock exchange, the company serves customers across Korea, China, and Japan. Its optical-sensor line is produced in small batches tailored to individual customer specifications, while its discrete-semiconductor line is built around a high-volume mass-production system.
Summary is AI-generated and may contain errors · figures from DART filings
AUK in five facts
What does AUK do?
AUK makes discrete semiconductors, optical sensors, and LEDs, basic electronic components that detect light, manage electrical signals, and illuminate displays.
Where is AUK listed and in which sector?
AUK (Korean name: 광전자) trades under KRX code 017900 on KOSPI, the main board of the Korea Exchange. It is classified in the Information Technology sector, Semiconductors.
How large is AUK?
Its market capitalisation was US$352.9M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were AUK's latest annual revenue and operating profit?
For fiscal year 2025, AUK reported revenue of US$100.1M, operating profit of US$909.3K and net income of US$3.2M, per its annual report on DART (data retrieved from DART on 2026-06-04). Revenue was up 1.9% on the previous year.
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-06-04
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, 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.
- Cash/in-kind dividend decision
AUK declared a cash dividend of US$0.03 per share, equal to about 2.77% of the recent share price.
Dividend · Mar 12 - Change of 30% or more in revenue or profit/loss structure (15% for large companies)
AUK reported consolidated results for FY2025: revenue of US$93M (+1.9% year on year), operating profit of US$844K (−18.2% year on year) and net income of US$2.96M (−60.2% year on year).
Earnings · Feb 26