AUK광전자
017900 · KOSPI · ₩017900 · 광전자
- Market cap
- ₩418B
- Enterprise value
- ₩326B
- P/E
- 37.6×
- P/B
- 1.7×
- Dividend yield
- 0.7%
- ROE
- 4.5%
- Net margin
- 8.3%
Trailing 12 months from filed financial statements, as of H1 2026. Dividend yield: the 2025 dividend per share from the annual report ÷ today's price.
52-week range−67.9% from the high
₩1,760Today: ₩7,160 – ₩7,550₩22,450
Returns
- 1W−7.9%
- 1M−27.0%
- 3M+40.8%
- 6M−31.9%
- YTD+300.1%
- 1Y+264.1%
- Volume today
- 559,053
- 0.4× the 20-day average
- Traded today
- ₩4.1B
- Listed shares
- 57,943,763
- EPS (12 months)
- ₩192
- Earnings yield 2.7%
Upcoming dates
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Signals
Quiet- BuzzQuietBuzz 31 of 100 (50 is a normal day for this stock).
- MomentumWeak-29.3% over the last month; the price is below its 20-day average.
Signals describe activity, not recommendations. Not financial advice.
AUK stock overview
AUK (광전자, KRX: 017900) is listed on KOSPI, in the Semiconductors sector. The company manufactures electronic components, with its main product lines being discrete semiconductors, optical sensors, and LEDs. Its shares closed at ₩7,210 on Oct 27, 2026, up 1.41% on the day, giving it a market value of ₩418B.
Key facts
- Market cap
- ₩418B
- Sector
- Semiconductors
- Latest price change
- +1.41%
- As of
- Oct 27, 2026
- Main business
- The company manufactures electronic components, with its main product lines being discrete semiconductors, optical sensors, and LEDs.
Quick answers about AUK
- What does AUK do?
- The company manufactures electronic components, with its main product lines being discrete semiconductors, optical sensors, and LEDs. These products are used as core parts in mobile devices, automotive electronics, digital appliances, and other IT products, and the company is developing next-generation semiconductors for robotics and AI applications. It sells through domestic distributors and its sales staff as well as exports via local subsidiaries and direct sales, with its main operations based in Iksan, Jeonbuk, South Korea.
- What is the market cap of AUK?
- The market capitalisation of AUK was ₩418B at the close on Oct 27, 2026.
- Who are the largest shareholders of AUK?
- According to the latest official filings, the largest reported holders are National Pension Service (0.35%, as of Dec 31, 2025); THE EMERGING MARKETS SMALL CAP SERIES (0.01%, as of Jul 31, 2026).
- When is the next earnings report from AUK?
- Korean companies rarely announce results dates in advance. Based on when AUK filed the same report in past years, its next 3q results is expected around Nov 14, 2026.
- Does the National Pension Service own AUK?
- Yes. The National Pension Service held 0.35% of AUK shares as of Dec 31, 2025.
Company profile
The company manufactures electronic components, with its main product lines being discrete semiconductors, optical sensors, and LEDs. These products are used as core parts in mobile devices, automotive electronics, digital appliances, and other IT products, and the company is developing next-generation semiconductors for robotics and AI applications. It sells through domestic distributors and its sales staff as well as exports via local subsidiaries and direct sales, with its main operations based in Iksan, Jeonbuk, South Korea.
Written by AI from the company's latest annual report.
- Korean name
- 광전자
- Sector
- Semiconductors
- CEO
- 최재완
- Founded
- Jul 1984
- Listed
- Oct 1996
- Listed shares
- 57,943,763
- Fiscal year ends
- Month 12
- Website
- www.auk.co.kr
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Recent filings
See all- Half-year report (Jun 2026)Aug 14, 2026
- Exchange inquiry about a news report or price moveAug 10, 2026
- Exchange inquiry about a news report or price moveAug 7, 2026
- Disclosure of Corporate Governance ReportMay 29, 2026
- Quarterly report (Mar 2026)May 15, 2026
Titles in Korean until English translations are added.
Also known as: AUK / 광전자 / 017900 / KRX:017900
Source: KRX statistical information