Aptn앱튼
270520 · KOSDAQ · ₩270520 · 앱튼
- Market cap
- ₩25B
- Enterprise value
- ₩90B
- P/E
- —
- P/B
- 0.3×
- Dividend yield
- 0.0%
- ROE
- −36.7%
- Net margin
- −188.2%
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−91.8% from the high
₩609Today: ₩609 – ₩655₩7,600
Returns
- 1W−7.9%
- 1M−69.3%
- 3M−80.6%
- 6M−72.8%
- YTD−82.1%
- 1Y−91.6%
- Volume today
- 320,294
- 0.2× the 20-day average
- Traded today
- ₩200M
- Listed shares
- 40,026,914
- EPS (12 months)
- −₩724
- Earnings yield −116.8%
Upcoming dates
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Signals
Quiet- BuzzQuietBuzz 26 of 100 (50 is a normal day for this stock).
- SentimentMixedNews: Only a routine amended contract filing with no details on terms or impact. Community: 0 bullish, 0 bearish posts this week.
- MomentumWeak-74.3% over the last month; the price is below its 20-day average.
- News impactLow4 news items and filings in two weeks; 0 rated high impact, 0 medium.
Signals describe activity, not recommendations. Not financial advice.
Aptn stock overview
Aptn (앱튼, KRX: 270520) is listed on KOSDAQ, in the Engineering services sector. The company designs and builds geothermal and water-source heating and cooling systems and fuel cell installations, which are its main business. Its shares closed at ₩620 on Oct 27, 2026, up 1.64% on the day, giving it a market value of ₩25B.
Key facts
- Market cap
- ₩25B
- Sector
- Engineering services
- Latest price change
- +1.64%
- As of
- Oct 27, 2026
- Main business
- The company designs and builds geothermal and water-source heating and cooling systems and fuel cell installations, which are its main business.
Quick answers about Aptn
- What does Aptn do?
- The company designs and builds geothermal and water-source heating and cooling systems and fuel cell installations, which are its main business. It supplies these systems mainly to construction companies and public institutions, and sells directly to customers in South Korea. It is also pursuing new growth businesses in lithium, brain disease treatments, and digital assets.
- What is the market cap of Aptn?
- The market capitalisation of Aptn was ₩25B at the close on Oct 27, 2026.
- Who are the largest shareholders of Aptn?
- According to the latest official filings, the largest reported holders are Aprogen (55.17%, as of Aug 28, 2026); KPI No.2 Partnership (16.20%, as of Jul 7, 2026); GPR (GPR) 75 Investment Partnership (12.95%, as of Aug 3, 2026).
- When is the next earnings report from Aptn?
- Korean companies rarely announce results dates in advance. Based on when Aptn filed the same report in past years, its next 3q results is expected around Nov 14, 2026.
Company profile
The company designs and builds geothermal and water-source heating and cooling systems and fuel cell installations, which are its main business. It supplies these systems mainly to construction companies and public institutions, and sells directly to customers in South Korea. It is also pursuing new growth businesses in lithium, brain disease treatments, and digital assets.
Written by AI from the company's latest annual report.
- Korean name
- 앱튼
- Sector
- Engineering services
- Themes
- —
- CEO
- 김재섭
- Founded
- Apr 2017
- Listed
- Aug 2017
- Listed shares
- 40,026,914
- Fiscal year ends
- Month 12
- Website
- www.aptn-inc.com
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Recent filings
See all- Amended: Major sales or supply contractOct 27, 2026
- Shareholders' meeting calledOct 21, 2026
- Determination of Shareholder Register Closure Period or Record DateOct 21, 2026
- [Amended] Notice of Stock Purchase Option GrantOct 16, 2026
- 5%+ holding reportOct 12, 2026
Titles in Korean until English translations are added.
Also known as: Aptn / 앱튼 / 270520 / KRX:270520
Source: KRX statistical information