S-Oil Signs ₩1.16T Supply Contract for Medium-Heavy Kerosene with Lee Soo Chemical [Disclosure]
Predicted impact: Medium
Supply contract ₩1.16T is about 3.1% of last year's revenue; similar contract disclosures already appeared recently.
ISU Chemical이수화학
005950 · KOSPI · ₩005950 · 이수화학
₩9,150▲ ₩340 (3.86%)End-of-day · Oct 27, 2026 · End-of-day prices.
Price · 1Y −17.79%
- Market cap
- ₩241B
- Enterprise value
- ₩515B
- P/E
- 2.8×
- P/B
- 1.3×
- Dividend yield
- 0.0%
- ROE
- 45.1%
- Net margin
- 3.7%
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−49.1% from the high
₩7,010Today: ₩8,980 – ₩9,320₩17,990
Returns
- 1W−6.3%
- 1M−13.5%
- 3M−25.3%
- 6M−6.6%
- YTD+10.8%
- 1Y−17.8%
- Volume today
- 190,896
- 0.6× the 20-day average
- Traded today
- ₩1.8B
- Listed shares
- 26,294,169
- EPS (12 months)
- ₩3,233
- Earnings yield 35.3%
AI researchResearch being writtenOur AI is writing a report on this company from filed data, prices and news. Check back soon.
Upcoming dates
Full calendar →🎁 Gift this stock
Send a friend ₩100,000 of paper money in this stock. They get it when they join.
Signals
Quiet- BuzzQuietBuzz 35 of 100 (50 is a normal day for this stock).
- MomentumWeak-13.6% over the last month; the price is below its 20-day average.
- News impactLow2 news items and filings in two weeks; 0 rated high impact, 0 medium.
Signals describe activity, not recommendations. Not financial advice.
ISU Chemical stock overview
ISU Chemical (이수화학, KRX: 005950) is listed on KOSPI, in the Chemicals sector. Lee Su Chemical (ISU Chemical) and its subsidiaries operate in three business segments: petrochemicals, construction, and pharmaceuticals. Its shares closed at ₩9,150 on Oct 27, 2026, up 3.86% on the day, giving it a market value of ₩241B.
Key facts
- Market cap
- ₩241B
- Sector
- Chemicals
- Latest price change
- +3.86%
- As of
- Oct 27, 2026
- Main business
- Lee Su Chemical (ISU Chemical) and its subsidiaries operate in three business segments: petrochemicals, construction, and pharmaceuticals.
Quick answers about ISU Chemical
- What does ISU Chemical do?
- Lee Su Chemical (ISU Chemical) and its subsidiaries operate in three business segments: petrochemicals, construction, and pharmaceuticals. The petrochemical segment, the largest by revenue, manufactures and sells detergent raw materials such as LAB, NP and LAS, along with kerosene, and also runs a smart farm business; its plants are in Ulsan and Onsan. The construction segment, run through Lee Su Engineering & Construction and its brand Brownstone, builds apartments, public buildings, roads, bridges, plants and other facilities.
- What is the market cap of ISU Chemical?
- The market capitalisation of ISU Chemical was ₩241B at the close on Oct 27, 2026.
- Who are the largest shareholders of ISU Chemical?
- According to the latest official filings, the largest reported holders are Lee Su (37.74%, as of Sep 23, 2026); National Pension Service (0.47%, as of Dec 31, 2025); EMERGING MARKETS CORE EQUITY 2 PORTFOLIO (0.24%, as of Jul 31, 2026).
- When is the next earnings report from ISU Chemical?
- Korean companies rarely announce results dates in advance. Based on when ISU Chemical filed the same report in past years, its next 3q results is expected around Nov 14, 2026.
- Does the National Pension Service own ISU Chemical?
- Yes. The National Pension Service held 0.47% of ISU Chemical shares as of Dec 31, 2025.
Company profile
Lee Su Chemical (ISU Chemical) and its subsidiaries operate in three business segments: petrochemicals, construction, and pharmaceuticals. The petrochemical segment, the largest by revenue, manufactures and sells detergent raw materials such as LAB, NP and LAS, along with kerosene, and also runs a smart farm business; its plants are in Ulsan and Onsan. The construction segment, run through Lee Su Engineering & Construction and its brand Brownstone, builds apartments, public buildings, roads, bridges, plants and other facilities. The pharmaceutical segment, through ISU Abxis, makes biopharmaceuticals including Abseamed, Pabagal and Clotinab, which are biosimilar drugs.
Written by AI from the company's latest annual report.
- Korean name
- 이수화학
- Sector
- Chemicals
- CEO
- 김동민, 주봉진
- Founded
- Jan 1969
- Listed
- Apr 1988
- Listed shares
- 26,294,169
- Fiscal year ends
- Month 12
- Website
- www.isuchemical.co.kr
Similar companies
- LG Chem051910 · ₩16T₩228,500+1.56%
- Hanwha Solutions009830 · ₩5.8T₩25,850−2.45%
- Hanwha000880 · ₩4.9T₩92,700+1.64%
- SKC011790 · ₩4.1T₩83,200+5.18%
- KCC002380 · ₩3.2T₩377,000+2.45%
- Kumho Petro Chemical011780 · ₩2.6T₩106,000+3.41%
- Soulbrain357780 · ₩2.4T₩307,000+6.41%
- ISU Specialty Chemical457190 · ₩2.2T₩73,400+4.26%
Recent news
Coreana Benit begins manufacturing AX implementation at three companies including Lee Su Chemical
Predicted impact: Low
LS: "Hansung Chemical Expects Q3 Operating Profit of ₩40B… Non-Chemical Segment Turns Profitable"
Predicted impact: Low· Actual: −0.7% vs sector, volume 1.0× normal (5 trading days)
Expected Q3 operating profit of 40 billion won; modest versus revenue, turnaround noted.
Recent filings
See all- 5%+ holding reportSep 23, 2026
- 5%+ holding reportSep 4, 2026
- Half-year report (Jun 2026)Aug 14, 2026
- Investor relations (IR) eventAug 10, 2026
- 5%+ holding reportJul 24, 2026
Titles in Korean until English translations are added.
Also known as: ISU Chemical / 이수화학 / 005950 / KRX:005950
Source: KRX statistical information