Doosan Tesna
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
Doosan Tesna is a South Korean semiconductor company listed on KOSDAQ, Korea's technology and small-cap stock exchange.
It operates in the back-end segment of the semiconductor supply chain, which covers the testing, packaging, and finishing stages that come after a chip has been fabricated. Back-end service providers like Doosan Tesna act as essential intermediaries, taking wafers or bare chips from manufacturers and preparing them for use in finished electronic products. The company is currently profitable, though its revenue has declined compared to the prior year.
Summary is AI-generated and may contain errors · figures from DART filings
Doosan Tesna carries the 'Doosan' name, linking it to the broader Doosan Group, a large South Korean conglomerate (known locally as a chaebol) with interests spanning heavy industry, infrastructure, and technology.
Doosan Tesna in five facts
What does Doosan Tesna do?
Doosan Tesna is a South Korean semiconductor company listed on KOSDAQ, Korea's technology and small-cap stock exchange.
Where is Doosan Tesna listed and in which sector?
Doosan Tesna (Korean name: 두산테스나) trades under KRX code 131970 on KOSDAQ, the Korea Exchange's board for smaller and growth companies. It is classified in the Industrials sector, Commercial Services.
How large is Doosan Tesna?
Its market capitalisation was US$772.5M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were Doosan Tesna's latest annual revenue and operating profit?
For fiscal year 2025, Doosan Tesna reported revenue of US$229.4M, an operating loss of US$710.1K and net income of US$1.1M, per its annual report on DART (data retrieved from DART on 2026-06-04). Revenue was down 18.6% on the previous year.
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-06-04
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, converted from won at 1 USD ≈ ₩1,325 (2026-10-21 close)
- Company data updated
- 2026-10-21
- Company summary
- AI-generated from filings; may contain errors. Information only, not investment advice.
- Report on large shareholdings (5% rule) (abbreviated)Oct 7
- Report on large shareholdings (5% rule) (abbreviated)Oct 2
- Report on large shareholdings (5% rule) (standard)Oct 1
- Report on large shareholdings (5% rule) (standard)Sep 4
- [quarterly, individual company] Large business group status disclosureAug 31
- Treasury share disposal: results reportTreasury Shares · Mar 3
- Change of 30% or more in revenue or profit/loss structure (15% for large companies)
Doosan Tesna reported separate results for FY2025: revenue of US$208M (−18.6% year on year), an operating loss of US$645K (from a profit a year earlier) and net income of US$1.09M (−95.7% year on year).
Earnings · Feb 10 - Cash/in-kind dividend decision
Doosan Tesna declared a cash dividend of US$0.11 per share.
Dividend · Feb 10 - Material event report (treasury share disposal)
Doosan Tesna disclosed a plan to sell treasury shares worth US$313K, about 0.0% of its market value.
Treasury Shares · Feb 10