JLK

322510 · KOSDAQ · ₩322510 · 제이엘케이

₩4,840▲ ₩5 (0.10%)End-of-day · Oct 28, 2026 · End-of-day prices.
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Price · 1Y −19.20%
Market cap
₩125B
Enterprise value
₩114B
P/E
—
P/B
3.6×
Dividend yield
0.0%
ROE
−43.6%
Net margin
−555.4%

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−47.4% from the high

₩3,765Today: ₩4,805 – ₩4,965₩9,210

Returns

  • 1W−0.9%
  • 1M−5.5%
  • 3M+7.2%
  • 6M−35.5%
  • YTD−12.9%
  • 1Y−19.2%
Volume today
44,303
0.5× the 20-day average
Traded today
₩215M
Listed shares
25,725,892
EPS (12 months)
−₩588
Earnings yield −12.1%
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

33Quiet
  • BuzzQuietBuzz 33 of 100 (50 is a normal day for this stock).
  • SentimentPositiveNews: Headline points to an expected revenue turnaround and a positive view of medical AI. Community: 0 bullish, 0 bearish posts this week.
  • MomentumFlat0.8% 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.

JLK stock overview

JLK (제이엘케이, KRX: 322510) is listed on KOSDAQ, in the Software sector. The company develops medical artificial intelligence solutions that analyze medical imaging and clinical data to support early disease diagnosis, image reading, lesion detection, and prognosis prediction. Its shares closed at ₩4,840 on Oct 28, 2026, up 0.10% on the day, giving it a market value of ₩125B.

Key facts

Market cap
₩125B
Sector
Software
Latest price change
+0.10%
As of
Oct 28, 2026
Main business
The company develops medical artificial intelligence solutions that analyze medical imaging and clinical data to support early disease diagnosis, image reading, lesion detection, and prognosis prediction.

Quick answers about JLK

What does JLK do?
The company develops medical artificial intelligence solutions that analyze medical imaging and clinical data to support early disease diagnosis, image reading, lesion detection, and prognosis prediction. Its core offering is MEDIHUB STROKE, a suite of 12 AI solutions for stroke across the full course of care, used by large hospitals and increasingly by smaller clinics, and it also offers cancer analysis solutions such as the prostate cancer solution JPC-01K. The company sells in South Korea and is expanding into the United States and Japan, where several of its solutions hold FDA 510(k) clearance and PMDA approval.
What is the market cap of JLK?
The market capitalisation of JLK was ₩125B at the close on Oct 28, 2026.
Who are the largest shareholders of JLK?
According to the latest official filings, the largest reported holders are Kim Won-tae (21.18%, as of Jul 31, 2026); KB Asset Management (6.56%, as of Oct 2, 2026); National Pension Service (3.36%, as of Dec 31, 2024).
When is the next earnings report from JLK?
Korean companies rarely announce results dates in advance. Based on when JLK filed the same report in past years, its next 3q results is expected around Nov 14, 2026.
Does the National Pension Service own JLK?
Yes. The National Pension Service held 3.36% of JLK shares as of Dec 31, 2024.

Company profile

The company develops medical artificial intelligence solutions that analyze medical imaging and clinical data to support early disease diagnosis, image reading, lesion detection, and prognosis prediction. Its core offering is MEDIHUB STROKE, a suite of 12 AI solutions for stroke across the full course of care, used by large hospitals and increasingly by smaller clinics, and it also offers cancer analysis solutions such as the prostate cancer solution JPC-01K. The company sells in South Korea and is expanding into the United States and Japan, where several of its solutions hold FDA 510(k) clearance and PMDA approval.

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

Korean name
제이엘케이
Sector
Software
CEO
김동민
Founded
Feb 2014
Listed
Dec 2019
Listed shares
25,725,892
Fiscal year ends
Month 12

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Recent news

News · Money Today·

'Medical AI that makes money' proven by US company… JLK expected to see revenue turnaround

Predicted impact: Low

Vague hope of revenue turnaround based on a US peer; no concrete company event.

Recent filings

See all

Titles in Korean until English translations are added.

Also known as: JLK / 제이엘케이 / 322510 / KRX:322510

Source: KRX statistical information