039030 - EO Technics Co., Ltd.

039030 Summary
Semiconductors
Stock Price & Overview
₩443,000 +25,000 (+5.98%) Close · Sep 4, 2026 KST
KOSDAQ | ₩KRW | Close: ₩443,000  ≈ US$316  ·  Market cap ₩5.5tn (≈ $3.9bn)

039030 Stock Price

200K400K600Kprev 418Kpeak 612KOctNovDecJan ’26FebMarAprMayJunJulAugSep443K
52 Week Range
₩199,800₩612,000
Day Range
₩428,000₩453,000
Market Cap
₩5.5tn
P/E (TTM)
50.29x
P/B
7.29x
P/S (TTM)
12.27x
P/CF (TTM)
60.07x
Volume
172,408
Shares Out
12.3M
Prev. Close
₩418,000
vs 52W High
-27.6%
Multiples use the close and the financials that were public on that date (DART), the same series as the Valuation tab — they are not vendor figures.

039030 Momentum

Period039030KOSDAQDifference
1 week+11.2%-3.0%+14.1%
1 month+43.4%+4.2%+39.2%
3 months-10.7%-22.5%+11.8%
6 months+22.5%-16.9%+39.4%
Year to date+62.9%-12.1%+75.0%
1 year+120.9%+1.0%+119.9%

Closed at 59% of the way from its 52-week low (₩199,800) to its 52-week high (₩612,000).

Price return on KRX closes, KOSDAQ on the same dates, no dividends. A period starts at the last trading day on or before the calendar date.

039030 Filings

See all »
DART

Half-Year Report

Periodic08/14/26title translated
DART

5% Ownership Report — Short Form

Ownership08/03/26title translated
DART

5% Ownership Report — Short Form

Ownership07/06/26title translated
DART

5% Ownership Report — Short Form

Ownership07/01/26title translated
Korean issuers file to DART, not the SEC. Titles are translated; where kstock has read the filing the row carries the explanation.

039030 Company Profile

EO Technics builds laser-based equipment used to mark, drill, and cut semiconductors and circuit boards during packaging. Advanced memory packaging, including high-bandwidth memory for AI accelerators, has increased demand for the precision laser steps it supplies. Its customers are the Korean memory makers and the subcontractors that package their chips. US investors tracking the back end of the AI memory supply chain arrive here.

SectorSemiconductorsEmployees
MarketKOSDAQFounded
Korean name이오테크닉스Head office

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What a US investor should know

  • Trading hours09:00–15:30 KST — 20:00–02:30 US Eastern the night before.
  • Daily limitKorean stocks can move at most ±30% in a session before trading halts.
  • Getting exposureKRX shares are not directly tradable in most US brokerage accounts. The usual routes are Korea ETFs or an international account.
  • ReportingKorean issuers file to DART, not the SEC. Half-year and quarterly reports land about 45 days after period end.