137310 - SD Biosensor

137310 Summary
Medical Devices
Stock Price & Overview
₩6,160 -20 (-0.32%) Close · Sep 4, 2026 KST
KOSPI | ₩KRW | Close: ₩6,160  ≈ US$4  ·  Market cap ₩0.7tn (≈ $531m)

137310 Stock Price

6K8K10Kprev 6Kpeak 11KOctNovDecJan ’26FebMarAprMayJunJulAugSep6K
52 Week Range
₩5,820₩10,840
Day Range
₩6,030₩6,280
Market Cap
₩0.7tn
P/E (TTM)
n/a (loss)
P/B
0.31x
P/S (TTM)
1.01x
P/CF (TTM)
13.11x
Volume
90,435
Shares Out
120.7M
Prev. Close
₩6,180
vs 52W High
-43.2%
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.

137310 Analysis

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Nothing written yet for this company.

137310 News

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No news written yet.

137310 Momentum

Period137310KOSPIDifference
1 week-2.2%-1.5%-0.7%
1 month-6.4%+5.2%-11.5%
3 months-16.1%-22.6%+6.5%
6 months-15.2%+31.3%-46.4%
Year to date-30.8%+58.7%-89.5%
1 year-39.2%+108.9%-148.1%

Closed at 7% of the way from its 52-week low (₩5,820) to its 52-week high (₩10,840).

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

137310 Filings

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DART

5% Ownership Report — Large Holdings

Ownership08/20/26title translated
DART

Half-Year Report

Periodic08/14/26title translated
DART

Insider / Major Shareholder Holdings Report

Ownership08/12/26title translated
DART

Investor Relations Event

IR08/04/26title translated
Korean issuers file to DART, not the SEC. Titles are translated; where kstock has read the filing the row carries the explanation.

137310 Company Profile

SD Biosensor makes medical and precision instruments in South Korea. It is listed on KOSPI, was founded in 2010, is based in Gyeonggi, and has revenue of hundreds of billions of won.

SectorMedical DevicesEmployees
MarketKOSPIFounded2010
Korean name에스디바이오센서Head 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.