ALT에이엘티
172670 · KOSDAQ · ₩172670 · 에이엘티
- Market cap
- ₩95B
- Enterprise value
- ₩178B
- P/E
- —
- P/B
- 1.0×
- Dividend yield
- 0.0%
- ROE
- −1.5%
- Net margin
- −2.4%
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−50.2% from the high
₩6,970Today: ₩10,040 – ₩10,790₩21,200
Returns
- 1W−7.9%
- 1M−23.3%
- 3M+30.2%
- 6M−44.0%
- YTD−18.3%
- 1Y−9.7%
- Volume today
- 20,123
- 0.2× the 20-day average
- Traded today
- ₩213M
- Listed shares
- 8,960,259
- EPS (12 months)
- −₩155
- Earnings yield −1.5%
Upcoming dates
Full calendar →🎁 Gift this stock
Send a friend ₩100,000 of paper money in this stock. They get it when they join.
Why is it moving?
+5.3% on Oct 27, 2026.
- • Foreign investors sold a net ₩85M that day
We found no news, filing or broker report explaining it yet. Moves without news happen; it may come later.
Possible reasons, not certainties. Not financial advice.
Signals
Quiet- BuzzQuietBuzz 26 of 100 (50 is a normal day for this stock).
- MomentumWeak-19.6% over the last month; the price is below its 20-day average.
Signals describe activity, not recommendations. Not financial advice.
ALT stock overview
ALT (에이엘티, KRX: 172670) is listed on KOSDAQ, in the Semiconductors sector. ALT is a Korean company that performs back-end semiconductor processes, mainly testing system semiconductors such as display driver ICs, CMOS image sensors, power management ICs and microcontrollers for foundry and fabless customers. Its shares closed at ₩10,560 on Oct 27, 2026, up 5.28% on the day, giving it a market value of ₩95B.
Key facts
- Market cap
- ₩95B
- Sector
- Semiconductors
- Latest price change
- +5.28%
- As of
- Oct 27, 2026
- Main business
- ALT is a Korean company that performs back-end semiconductor processes, mainly testing system semiconductors such as display driver ICs, CMOS image sensors, power management ICs and microcontrollers for foundry and fabless customers.
Quick answers about ALT
- What does ALT do?
- ALT is a Korean company that performs back-end semiconductor processes, mainly testing system semiconductors such as display driver ICs, CMOS image sensors, power management ICs and microcontrollers for foundry and fabless customers. It also offers wafer-level and package-level testing, wafer rim-cutting, and chip reconstruction and pick-and-place services. Its subsidiary GP packages CMOS image sensors using ceramic and PCB substrates, and the company's operations are based in Cheongju, Chungcheongbuk-do, South Korea.
- What is the market cap of ALT?
- The market capitalisation of ALT was ₩95B at the close on Oct 27, 2026.
- Who are the largest shareholders of ALT?
- According to the latest official filings, the largest reported holders are Cheon Byeong-tae (29.85%, as of Oct 8, 2026); Focus Asset Management (5.76%, as of Sep 17, 2026); Cheon Seong-min (3.25%, as of Oct 8, 2026).
- When is the next earnings report from ALT?
- Korean companies rarely announce results dates in advance. Based on when ALT filed the same report in past years, its next 3q results is expected around Nov 14, 2026.
- Does the National Pension Service own ALT?
- Yes. The National Pension Service held 1.17% of ALT shares as of Dec 31, 2024.
Company profile
ALT is a Korean company that performs back-end semiconductor processes, mainly testing system semiconductors such as display driver ICs, CMOS image sensors, power management ICs and microcontrollers for foundry and fabless customers. It also offers wafer-level and package-level testing, wafer rim-cutting, and chip reconstruction and pick-and-place services. Its subsidiary GP packages CMOS image sensors using ceramic and PCB substrates, and the company's operations are based in Cheongju, Chungcheongbuk-do, South Korea.
Written by AI from the company's latest annual report.
- Korean name
- 에이엘티
- Sector
- Semiconductors
- CEO
- 천병태
- Founded
- Jul 2003
- Listed
- Jul 2023
- Listed shares
- 8,960,259
- Fiscal year ends
- Month 12
- Website
- alt-s.kr
Similar companies
- SK hynix000660 · ₩980T₩1,341,000+5.18%
- DB HiTek000990 · ₩4.1T₩94,800+1.83%
- Fadu440110 · ₩2.4T₩48,000+7.14%
- Hana Micron067310 · ₩2.4T₩35,500+5.34%
- Jeju Semiconductor080220 · ₩2.2T₩63,900+4.24%
- SFA Semicon036540 · ₩1.4T₩8,720+7.26%
- Hana Materials166090 · ₩1T₩50,800+3.36%
- HD Hyundai Energy Solutions322000 · ₩944B₩84,300−12.46%
Recent filings
See all- Insider shareholding reportOct 8, 2026
- 5%+ holding reportOct 8, 2026
- Amended: 5%+ holding reportSep 17, 2026
- 5%+ holding reportSep 15, 2026
- Acquisition of Bonds Before Maturity After Issuance of Convertible Bonds (incl. Overseas Convertible Bonds) (7th Series)Sep 14, 2026
Titles in Korean until English translations are added.
Also known as: ALT / 에이엘티 / 172670 / KRX:172670
Source: KRX statistical information