STX Engine (KRX: 077970)
Who is buying STX Engine?
Between Sep 10, 2026 and Oct 13, 2026 (20 trading sessions), foreign investors net sold ₩10.3bn ($8M) of STX Engine, the 103rd largest foreign net sale among 832 KOSPI stocks. Institutions net bought ₩0.3bn ($0M) and retail investors net bought ₩10.0bn ($8M) over the same window. Foreigners were net buyers on 6 of the 20 sessions.
Foreign investors hold 3.23% of STX Engine's listed shares (KRX ownership data as of Oct 13, 2026), down from 4.18% twenty sessions earlier and 10.73% a year ago.
The stock closed at ₩19,410 on Oct 13, 2026: -20.45% over 20 sessions, -42.91% year-to-date, -49.19% over one year. The 52-week range is ₩18,270 – ₩67,700.
At ₩19,410 the stock trades at 8.00× 12-month-forward consensus earnings, 7.66× on FY2027 estimates. The trailing P/E published by KRX is 10.83×, based on the last completed fiscal year.
View chart data as a table
| Date | Close | Foreign net | Institutions | Retail |
|---|---|---|---|---|
| 2026-10-13 | ₩19,410 | ₩-0.0bn | ₩-0.0bn | ₩-0.0bn |
| 2026-10-12 | ₩19,760 | ₩-0.1bn | ₩-0.2bn | +₩0.2bn |
| 2026-10-08 | ₩20,600 | ₩-1.3bn | ₩-0.3bn | +₩1.5bn |
| 2026-10-07 | ₩22,100 | ₩-1.3bn | ₩-0.1bn | +₩1.4bn |
| 2026-10-06 | ₩23,100 | +₩0.0bn | +₩0.4bn | ₩-0.4bn |
| 2026-10-02 | ₩22,650 | +₩0.3bn | +₩0.0bn | ₩-0.4bn |
| 2026-10-01 | ₩22,500 | +₩0.2bn | ₩-0.0bn | ₩-0.1bn |
| 2026-09-30 | ₩22,000 | +₩0.8bn | +₩0.4bn | ₩-1.1bn |
| 2026-09-29 | ₩21,350 | ₩-0.8bn | +₩0.3bn | +₩0.4bn |
| 2026-09-28 | ₩21,950 | +₩0.1bn | ₩-0.0bn | ₩-0.0bn |
| 2026-09-23 | ₩21,950 | ₩-1.7bn | ₩-0.5bn | +₩2.5bn |
| 2026-09-22 | ₩22,800 | ₩-1.1bn | ₩-0.1bn | +₩1.3bn |
| 2026-09-21 | ₩23,050 | ₩-1.9bn | ₩-0.0bn | +₩1.8bn |
| 2026-09-18 | ₩23,500 | ₩-1.9bn | ₩-0.0bn | +₩1.9bn |
| 2026-09-17 | ₩24,100 | +₩2.1bn | +₩0.3bn | ₩-2.4bn |
| 2026-09-16 | ₩22,750 | ₩-0.6bn | ₩-0.2bn | +₩0.8bn |
| 2026-09-15 | ₩23,150 | ₩-1.1bn | ₩-0.0bn | +₩1.2bn |
| 2026-09-14 | ₩24,050 | ₩-1.7bn | ₩-0.1bn | +₩1.8bn |
| 2026-09-11 | ₩24,800 | ₩-0.0bn | +₩1.1bn | ₩-1.2bn |
| 2026-09-10 | ₩24,300 | ₩-0.3bn | ₩-0.5bn | +₩0.8bn |
| 2026-09-09 | ₩24,400 | +₩0.9bn | ₩-0.4bn | ₩-0.6bn |
| 2026-09-08 | ₩23,450 | +₩0.0bn | ₩-0.6bn | +₩0.6bn |
| 2026-09-07 | ₩23,850 | ₩-0.3bn | ₩-0.0bn | +₩0.3bn |
| 2026-09-04 | ₩23,550 | +₩0.0bn | ₩-0.0bn | ₩-0.0bn |
| 2026-09-03 | ₩23,450 | +₩0.1bn | ₩-0.0bn | ₩-0.1bn |
| 2026-09-02 | ₩23,200 | ₩-1.5bn | +₩0.4bn | +₩1.1bn |
| 2026-09-01 | ₩24,850 | ₩-1.3bn | +₩0.5bn | +₩0.7bn |
| 2026-08-31 | ₩25,000 | ₩-0.1bn | ₩-0.1bn | +₩0.2bn |
| 2026-08-28 | ₩25,300 | ₩-2.0bn | +₩0.1bn | +₩1.8bn |
| 2026-08-27 | ₩26,200 | ₩-0.5bn | +₩1.6bn | ₩-1.1bn |
| 2026-08-26 | ₩24,600 | ₩-0.2bn | +₩0.0bn | +₩0.2bn |
| 2026-08-25 | ₩24,200 | +₩0.3bn | ₩-0.2bn | +₩0.0bn |
| 2026-08-24 | ₩23,400 | ₩-0.0bn | +₩0.1bn | +₩0.1bn |
| 2026-08-21 | ₩23,450 | +₩0.6bn | ₩-1.4bn | +₩0.8bn |
| 2026-08-20 | ₩25,100 | ₩-0.3bn | ₩-0.2bn | +₩0.5bn |
| 2026-08-19 | ₩24,900 | ₩-0.3bn | ₩-0.3bn | +₩0.6bn |
| 2026-08-18 | ₩26,250 | ₩-1.9bn | ₩-2.0bn | +₩3.8bn |
| 2026-08-14 | ₩28,400 | ₩-1.6bn | +₩0.8bn | +₩0.9bn |
| 2026-08-13 | ₩28,550 | ₩-0.5bn | ₩-0.9bn | +₩1.4bn |
| 2026-08-12 | ₩28,400 | ₩-0.8bn | +₩0.1bn | +₩0.7bn |
| 2026-08-11 | ₩28,300 | ₩-1.9bn | +₩0.0bn | +₩1.9bn |
| 2026-08-10 | ₩29,650 | +₩1.6bn | +₩0.7bn | ₩-2.3bn |
| 2026-08-07 | ₩27,050 | ₩-1.9bn | ₩-0.1bn | +₩2.2bn |
| 2026-08-06 | ₩27,300 | ₩-0.2bn | +₩0.1bn | +₩0.0bn |
| 2026-08-05 | ₩28,100 | ₩-0.9bn | +₩1.6bn | ₩-0.9bn |
| 2026-08-04 | ₩24,400 | ₩-0.1bn | +₩0.3bn | ₩-0.2bn |
| 2026-08-03 | ₩23,050 | ₩-0.3bn | +₩0.8bn | ₩-0.3bn |
| 2026-07-31 | ₩23,050 | +₩1.4bn | ₩-0.0bn | ₩-1.5bn |
| 2026-07-30 | ₩20,250 | +₩0.3bn | ₩-0.1bn | ₩-0.2bn |
| 2026-07-29 | ₩19,550 | +₩0.5bn | ₩-0.6bn | ₩0.0bn |
| 2026-07-28 | ₩21,850 | ₩-0.4bn | ₩-0.5bn | +₩1.8bn |
| 2026-07-27 | ₩24,550 | ₩-1.5bn | ₩-1.3bn | +₩2.7bn |
| 2026-07-24 | ₩25,550 | ₩-2.1bn | +₩0.9bn | +₩1.2bn |
| 2026-07-23 | ₩26,100 | +₩0.8bn | +₩0.4bn | ₩-1.3bn |
| 2026-07-22 | ₩23,900 | +₩1.0bn | ₩-0.7bn | ₩-0.3bn |
| 2026-07-21 | ₩23,350 | +₩0.7bn | ₩-1.6bn | +₩0.8bn |
| 2026-07-20 | ₩23,100 | ₩-1.9bn | ₩-0.0bn | +₩2.0bn |
| 2026-07-16 | ₩25,000 | ₩-2.3bn | +₩0.3bn | +₩2.0bn |
| 2026-07-15 | ₩25,600 | +₩1.1bn | +₩0.0bn | ₩-1.2bn |
| 2026-07-14 | ₩23,900 | +₩0.0bn | ₩-0.9bn | +₩0.8bn |
| 2026-07-13 | ₩25,500 | +₩0.3bn | ₩-0.8bn | +₩0.4bn |
Investor flows summary
| Window | Foreign | (USD) | Institutions | Retail |
|---|---|---|---|---|
| 1 day | ₩-0.0bn | $-0M | ₩-0.0bn | ₩-0.0bn |
| 5 days | ₩-2.7bn | $-2M | ₩-0.3bn | +₩2.8bn |
| 20 days | ₩-10.3bn | $-8M | +₩0.3bn | +₩10.0bn |
Positive = net buying, negative = net selling. Values aggregate the KRX main board and the NXT alternative venue.
Frequently asked questions
Are foreign investors buying STX Engine stock?
Over the last 5 sessions foreign investors net sold ₩2.7bn ($2M) of STX Engine; over 60 sessions they net sold ₩25.2bn ($19M); since Jan 1, 2026 they net sold ₩51.5bn ($39M). Over 20 sessions the stock is the 103rd largest foreign net sale among 832 KOSPI stocks.
How much of STX Engine do foreign investors own?
Foreign investors own 3.23% of STX Engine's shares as of Oct 13, 2026, versus 10.73% 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 ₩0.3bn ($0M) and retail investors net bought ₩10.0bn ($8M) of STX Engine. Foreign selling is being absorbed mainly by retail buying.
Is STX Engine listed on KOSPI or KOSDAQ?
STX Engine (STX엔진) trades on KOSPI under KRX code 077970 in the Defense group, with a market capitalization of ₩1T ($0.6B). 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 | ₩630bn ($473M) | – | ₩19bn ($14M) | ₩6bn ($4M) |
| 2024 | ₩725bn ($544M) | +14.90% | ₩42bn ($32M) | ₩27bn ($20M) |
| 2025 | ₩789bn ($592M) | +8.90% | ₩70bn ($52M) | ₩69bn ($52M) |
Consolidated (K-IFRS) where available, from DART regulatory filings. USD figures converted at the current rate (₩1333.09/$) for reference only.