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J2KBIO

420570 · KOSDAQ · ₩420570 · 제이투케이바이오

₩7,730▼ ₩320 (3.98%)End-of-day · Oct 29, 2026 · End-of-day prices.
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Price · 1Y −11.66%
Market cap
₩45B
Enterprise value
₩36B
P/E
7.8×
P/B
1.2×
Dividend yield
3.2%
ROE
15.9%
Net margin
13.2%

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−39.9% from the high

₩6,710Today: ₩7,570 – ₩8,050₩12,860

Returns

  • 1W−8.1%
  • 1M−18.6%
  • 3M−16.3%
  • 6M−6.4%
  • YTD−10.1%
  • 1Y−11.7%
Volume today
27,379
1.3× the 20-day average
Traded today
₩211M
Listed shares
5,847,483
EPS (12 months)
₩994
Earnings yield 12.9%
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AI researchResearch being writtenOur AI is writing a report on this company from filed data, prices and news. Check back soon.

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Signals

48Normal
  • BuzzNormalBuzz 48 of 100 (50 is a normal day for this stock).
  • SentimentPositiveNews: A new distribution deal with a foreign partner is generally positive news. Community: 0 bullish, 0 bearish posts this week.
  • MomentumWeak-18.1% over the last month; the price is below its 20-day average.
  • News impactLow1 news items and filings in two weeks; 0 rated high impact, 0 medium.

Signals describe activity, not recommendations. Not financial advice.

J2KBIO stock overview

J2KBIO (제이투케이바이오, KRX: 420570) is listed on KOSDAQ, in the Cosmetics sector. JTK Bio is a South Korean company founded in 2017 that produces and sells raw materials for cosmetics. Its shares closed at ₩7,730 on Oct 29, 2026, down 3.98% on the day, giving it a market value of ₩45B.

Key facts

Market cap
₩45B
Sector
Cosmetics
Latest price change
−3.98%
As of
Oct 29, 2026
Main business
JTK Bio is a South Korean company founded in 2017 that produces and sells raw materials for cosmetics.

Quick answers about J2KBIO

What does J2KBIO do?
JTK Bio is a South Korean company founded in 2017 that produces and sells raw materials for cosmetics. It develops new ingredients, including natural materials, fermentation-based bio-materials, and solvent (preservative-type) materials, for cosmetics makers, and it also operates a clinical testing service through a subsidiary that evaluates the efficacy and safety of cosmetics, health functional foods, and beauty devices for customers.
What is the market cap of J2KBIO?
The market capitalisation of J2KBIO was ₩45B at the close on Oct 29, 2026.
Who are the largest shareholders of J2KBIO?
According to the latest official filings, the largest reported holders are Lee Jae-seop (63.27%, as of Oct 31, 2024); Kim Seok-jong (15.98%, as of May 12, 2026); Bae Jun-tae (2.18%, as of Aug 26, 2026).
When is the next earnings report from J2KBIO?
Korean companies rarely announce results dates in advance. Based on when J2KBIO filed the same report in past years, its next 3q results is expected between Nov 8, 2026 and Nov 11, 2026.

Company profile

JTK Bio is a South Korean company founded in 2017 that produces and sells raw materials for cosmetics. It develops new ingredients, including natural materials, fermentation-based bio-materials, and solvent (preservative-type) materials, for cosmetics makers, and it also operates a clinical testing service through a subsidiary that evaluates the efficacy and safety of cosmetics, health functional foods, and beauty devices for customers.

Written by AI from the company's latest annual report.

Korean name
제이투케이바이오
Sector
Cosmetics
Themes
K-beauty
CEO
이재섭
Founded
Dec 2016
Listed
Mar 2024
Listed shares
5,847,483
Fiscal year ends
Month 12
Website
www.j2kbio.com

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Titles in Korean until English translations are added.

Also known as: J2KBIO / 제이투케이바이오 / 420570 / KRX:420570

Source: KRX statistical information