399720 - Gaonchips Co., Ltd.

399720 Summary
Semiconductors
Stock Price & Overview
₩42,100 +1,800 (+4.47%) Close · Sep 4, 2026 KST
KOSDAQ | ₩KRW | Close: ₩42,100  ≈ US$30  ·  Market cap ₩0.5tn (≈ $357m)

399720 Stock Price

40K60K80Kprev 40Kpeak 80KOctNovDecJan ’26FebMarAprMayJunJulAugSep42K
52 Week Range
₩36,600₩79,900
Day Range
₩40,700₩42,100
Market Cap
₩0.5tn
P/E (TTM)
n/a (loss)
P/B
6.95x
P/S (TTM)
5.80x
P/CF (TTM)
16.50x
Volume
36,638
Shares Out
11.9M
Prev. Close
₩40,300
vs 52W High
-47.3%
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.

399720 Analysis

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Nothing written yet for this company.

399720 News

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ks

Gaonchips signs treasury share trust contract

Gaonchips Co., Ltd. (399720) filed a material event report for a treasury share trust contract on Thursday, according to DART.

kstock NewsYesterday, 7:13 PM

399720 Momentum

Period399720KOSDAQDifference
1 week-5.4%-3.0%-2.4%
1 month-11.7%+4.2%-15.9%
3 months-22.6%-22.5%-0.1%
6 months-20.3%-16.9%-3.4%
Year to date-18.6%-12.1%-6.5%
1 year-9.5%+1.0%-10.5%

Closed at 13% of the way from its 52-week low (₩36,600) to its 52-week high (₩79,900).

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.

399720 Filings

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DART

Material event report (treasury share trust contract signed)

Filing09/03/26title translated
DART

5% Ownership Report — Large Holdings

Ownership08/26/26title translated
DART

Half-Year Report

Periodic08/14/26title translated
DART

5% Ownership Report — Large Holdings

Ownership08/07/26title translated
Korean issuers file to DART, not the SEC. Titles are translated; where kstock has read the filing the row carries the explanation.

399720 Company Profile

Gaonchips Co., Ltd. makes semiconductor devices in South Korea. It is listed on KOSDAQ, was founded in 2012, is based in Gyeonggi, and has revenue of tens of billions of won.

SectorSemiconductorsEmployees
MarketKOSDAQFounded2012
Korean name가온칩스Head officeGyeonggi

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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.