Doosan Tesna (KRX: 131970)
Who is buying Doosan Tesna?
Between Sep 10, 2026 and Oct 13, 2026 (20 trading sessions), foreign investors net sold ₩122.4bn ($92M) of Doosan Tesna, the 6th largest foreign net sale among 1828 KOSDAQ stocks. Institutions net bought ₩70.9bn ($53M) and retail investors net bought ₩46.9bn ($35M) over the same window. Foreigners were net buyers on 7 of the 20 sessions.
Foreign investors hold 7.32% of Doosan Tesna's listed shares (KRX ownership data as of Oct 13, 2026), down from 12.77% twenty sessions earlier and 4.14% a year ago.
The stock closed at ₩133,000 on Oct 13, 2026: +58.71% over 20 sessions, +150.00% year-to-date, +170.33% over one year. The 52-week range is ₩40,500 – ₩196,900.
At ₩133,000 the stock trades at 35.04× 12-month-forward consensus earnings (1 analysts), 30.35× on FY2027 estimates. The trailing P/E published by KRX is 1,705.13×, based on the last completed fiscal year — the gap reflects earnings expected to rise sharply from last year's level.
View chart data as a table
| Date | Close | Foreign net | Institutions | Retail |
|---|---|---|---|---|
| 2026-10-13 | ₩133,000 | ₩-14.0bn | +₩13.6bn | ₩-1.2bn |
| 2026-10-12 | ₩123,800 | ₩-11.7bn | +₩1.4bn | +₩9.7bn |
| 2026-10-08 | ₩125,300 | ₩-4.6bn | +₩5.6bn | ₩-0.9bn |
| 2026-10-07 | ₩109,100 | +₩1.7bn | ₩-7.4bn | +₩8.7bn |
| 2026-10-06 | ₩120,000 | ₩-1.5bn | +₩2.4bn | ₩-1.3bn |
| 2026-10-02 | ₩106,900 | ₩-11.0bn | +₩1.3bn | +₩9.8bn |
| 2026-10-01 | ₩105,800 | +₩0.3bn | +₩11.1bn | ₩-11.6bn |
| 2026-09-30 | ₩97,700 | ₩-9.9bn | +₩2.4bn | +₩7.4bn |
| 2026-09-29 | ₩96,300 | ₩-2.0bn | +₩8.2bn | ₩-5.9bn |
| 2026-09-28 | ₩90,700 | ₩-0.8bn | ₩-0.5bn | +₩1.9bn |
| 2026-09-23 | ₩93,700 | ₩-5.2bn | ₩-1.9bn | +₩6.7bn |
| 2026-09-22 | ₩93,400 | ₩-10.5bn | ₩-1.4bn | +₩10.8bn |
| 2026-09-21 | ₩95,000 | ₩-19.7bn | +₩4.8bn | +₩11.0bn |
| 2026-09-18 | ₩86,100 | +₩3.2bn | +₩8.5bn | ₩-12.1bn |
| 2026-09-17 | ₩78,900 | +₩1.0bn | ₩-1.3bn | +₩0.2bn |
| 2026-09-16 | ₩78,500 | +₩8.7bn | +₩2.3bn | ₩-10.6bn |
| 2026-09-15 | ₩74,400 | ₩-18.1bn | ₩-6.2bn | +₩24.7bn |
| 2026-09-14 | ₩83,400 | +₩0.3bn | ₩-0.3bn | ₩-0.2bn |
| 2026-09-11 | ₩83,800 | +₩0.1bn | ₩-9.5bn | +₩9.1bn |
| 2026-09-10 | ₩89,100 | ₩-28.7bn | +₩37.9bn | ₩-9.2bn |
| 2026-09-09 | ₩83,800 | ₩-0.4bn | +₩2.5bn | ₩-1.9bn |
| 2026-09-08 | ₩81,000 | +₩3.0bn | ₩-4.1bn | +₩1.1bn |
| 2026-09-07 | ₩82,700 | +₩10.0bn | +₩5.1bn | ₩-15.1bn |
| 2026-09-04 | ₩74,300 | ₩-1.3bn | ₩-0.8bn | +₩2.6bn |
| 2026-09-03 | ₩74,900 | +₩0.4bn | ₩-3.2bn | +₩2.9bn |
| 2026-09-02 | ₩78,200 | +₩4.8bn | +₩0.4bn | ₩-5.2bn |
| 2026-09-01 | ₩78,400 | ₩-2.6bn | ₩-0.7bn | +₩3.3bn |
| 2026-08-31 | ₩80,200 | +₩0.6bn | ₩-1.9bn | +₩1.3bn |
| 2026-08-28 | ₩81,700 | ₩-2.9bn | ₩-0.1bn | +₩3.2bn |
| 2026-08-27 | ₩83,100 | +₩1.6bn | +₩0.9bn | ₩-2.7bn |
| 2026-08-26 | ₩79,800 | ₩-1.3bn | +₩1.5bn | ₩-0.3bn |
| 2026-08-25 | ₩79,700 | +₩2.5bn | +₩0.5bn | ₩-3.1bn |
| 2026-08-24 | ₩75,100 | +₩2.5bn | ₩-3.2bn | +₩0.6bn |
| 2026-08-21 | ₩76,900 | ₩-5.0bn | ₩-2.7bn | +₩7.6bn |
| 2026-08-20 | ₩82,100 | ₩-1.7bn | +₩1.1bn | +₩0.3bn |
| 2026-08-19 | ₩76,300 | +₩3.2bn | ₩-1.8bn | ₩-1.2bn |
| 2026-08-18 | ₩78,700 | ₩-2.8bn | ₩-5.3bn | +₩8.3bn |
| 2026-08-14 | ₩84,000 | +₩0.7bn | ₩-6.0bn | +₩4.4bn |
| 2026-08-13 | ₩84,000 | ₩-18.6bn | +₩0.5bn | +₩16.1bn |
| 2026-08-12 | ₩84,400 | ₩-16.1bn | +₩7.5bn | +₩7.9bn |
| 2026-08-11 | ₩73,300 | ₩-5.1bn | +₩0.3bn | +₩4.7bn |
| 2026-08-10 | ₩70,200 | +₩2.2bn | +₩2.5bn | ₩-4.7bn |
| 2026-08-07 | ₩63,700 | +₩0.5bn | ₩-0.4bn | +₩0.2bn |
| 2026-08-06 | ₩66,500 | ₩-0.6bn | +₩0.7bn | +₩0.0bn |
| 2026-08-05 | ₩69,100 | ₩-5.1bn | +₩0.0bn | +₩4.8bn |
| 2026-08-04 | ₩67,600 | ₩-2.5bn | +₩2.4bn | +₩0.4bn |
| 2026-08-03 | ₩64,900 | ₩-5.0bn | ₩-1.6bn | +₩6.5bn |
| 2026-07-31 | ₩64,100 | ₩-12.6bn | +₩7.5bn | +₩4.4bn |
| 2026-07-30 | ₩51,800 | +₩1.9bn | ₩-2.4bn | +₩0.6bn |
| 2026-07-29 | ₩55,900 | +₩5.5bn | ₩-3.6bn | ₩-1.7bn |
| 2026-07-28 | ₩66,400 | +₩38.5bn | ₩-5.6bn | ₩-33.0bn |
| 2026-07-27 | ₩81,000 | ₩-0.4bn | +₩1.9bn | ₩-1.4bn |
| 2026-07-24 | ₩76,400 | +₩0.7bn | ₩-1.9bn | +₩1.2bn |
| 2026-07-23 | ₩83,300 | +₩0.8bn | ₩-0.0bn | ₩-0.8bn |
| 2026-07-22 | ₩80,000 | +₩1.8bn | ₩-3.7bn | +₩1.8bn |
| 2026-07-21 | ₩81,900 | +₩1.5bn | ₩-0.1bn | ₩-1.5bn |
| 2026-07-20 | ₩80,600 | +₩6.1bn | ₩-3.9bn | ₩-2.2bn |
| 2026-07-16 | ₩86,900 | +₩2.5bn | ₩-6.4bn | +₩3.9bn |
| 2026-07-15 | ₩96,700 | +₩0.0bn | +₩0.6bn | ₩-0.6bn |
| 2026-07-14 | ₩87,900 | +₩2.2bn | ₩-3.4bn | +₩1.1bn |
| 2026-07-13 | ₩92,500 | +₩3.2bn | ₩-2.5bn | ₩-0.8bn |
Investor flows summary
| Window | Foreign | (USD) | Institutions | Retail |
|---|---|---|---|---|
| 1 day | ₩-14.0bn | $-11M | +₩13.6bn | ₩-1.2bn |
| 5 days | ₩-30.2bn | $-23M | +₩15.6bn | +₩15.0bn |
| 20 days | ₩-122.4bn | $-92M | +₩70.9bn | +₩46.9bn |
Positive = net buying, negative = net selling. Values aggregate the KRX main board and the NXT alternative venue.
Frequently asked questions
Are foreign investors buying Doosan Tesna stock?
Over the last 5 sessions foreign investors net sold ₩30.2bn ($23M) of Doosan Tesna; over 60 sessions they net sold ₩112.8bn ($85M); since Jan 1, 2026 they net sold ₩57.0bn ($43M). Over 20 sessions the stock is the 6th largest foreign net sale among 1828 KOSDAQ stocks.
How much of Doosan Tesna do foreign investors own?
Foreign investors own 7.32% of Doosan Tesna's shares as of Oct 13, 2026, versus 4.14% one year earlier. The figure is KRX's daily foreign holdings divided by listed shares, and it reflects trades settled through the previous session.
Who is on the other side — institutions or retail investors?
Over 20 sessions institutions net bought ₩70.9bn ($53M) and retail investors net bought ₩46.9bn ($35M) of Doosan Tesna. Foreign selling is being absorbed mainly by retail buying.
Is Doosan Tesna listed on KOSPI or KOSDAQ?
Doosan Tesna (두산테스나) trades on KOSDAQ under KRX code 131970 in the Semiconductors group, with a market capitalization of ₩3T ($1.9B). Daily net flows by investor type are published by KRX after each session and combine the KRX main board with the NXT venue.
Annual financials
| Fiscal year | Revenue | YoY | Operating profit | Net income |
|---|---|---|---|---|
| 2023 | ₩339bn ($254M) | – | ₩61bn ($46M) | ₩49bn ($37M) |
| 2024 | ₩373bn ($280M) | +10.20% | ₩38bn ($28M) | ₩37bn ($28M) |
| 2025 | ₩304bn ($228M) | -18.60% | -₩1bn (-$1M) | ₩2bn ($1M) |
Consolidated (K-IFRS) where available, from DART regulatory filings. USD figures converted at the current rate (₩1333.09/$) for reference only.