Isupetasys (KRX: 007660)
Who is buying Isupetasys?
Between Sep 10, 2026 and Oct 13, 2026 (20 trading sessions), foreign investors net bought ₩144.2bn ($108M) of Isupetasys, the 5th largest foreign net purchase among 832 KOSPI stocks. Institutions net sold ₩135.8bn ($102M) and retail investors net sold ₩4.8bn ($4M) over the same window. Foreigners were net buyers on 12 of the 20 sessions.
Foreign investors hold 17.75% of Isupetasys' listed shares (KRX ownership data as of Oct 13, 2026), up from 15.97% twenty sessions earlier and 27.7% a year ago.
The stock closed at ₩117,200 on Oct 13, 2026: +4.36% over 20 sessions, -1.68% year-to-date, +59.67% over one year. The 52-week range is ₩57,900 – ₩164,400.
At ₩117,200 the stock trades at 20.70× 12-month-forward consensus earnings (12 analysts), 18.95× on FY2027 estimates. The trailing P/E published by KRX is 51.45×, 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 | ₩117,200 | ₩-5.5bn | +₩10.2bn | ₩-4.5bn |
| 2026-10-12 | ₩120,900 | +₩55.2bn | ₩-74.5bn | +₩18.9bn |
| 2026-10-08 | ₩125,500 | +₩77.1bn | ₩-55.6bn | ₩-22.2bn |
| 2026-10-07 | ₩122,000 | ₩-22.9bn | ₩-31.9bn | +₩53.5bn |
| 2026-10-06 | ₩131,900 | +₩67.1bn | +₩9.1bn | ₩-73.2bn |
| 2026-10-02 | ₩121,200 | ₩-17.9bn | +₩1.9bn | +₩16.2bn |
| 2026-10-01 | ₩123,400 | +₩27.0bn | +₩17.2bn | ₩-43.1bn |
| 2026-09-30 | ₩115,100 | ₩-29.6bn | ₩-3.1bn | +₩32.9bn |
| 2026-09-29 | ₩118,000 | +₩11.2bn | +₩17.2bn | ₩-27.7bn |
| 2026-09-28 | ₩112,300 | ₩-30.2bn | ₩-10.9bn | +₩40.7bn |
| 2026-09-23 | ₩118,900 | +₩17.5bn | +₩16.3bn | ₩-33.7bn |
| 2026-09-22 | ₩112,900 | ₩-15.6bn | +₩18.5bn | ₩-2.5bn |
| 2026-09-21 | ₩110,300 | +₩63.6bn | +₩21.8bn | ₩-85.6bn |
| 2026-09-18 | ₩103,700 | ₩-70.9bn | ₩-37.0bn | +₩107.6bn |
| 2026-09-17 | ₩106,000 | ₩-0.4bn | ₩-14.1bn | +₩14.6bn |
| 2026-09-16 | ₩107,600 | +₩2.2bn | +₩1.8bn | ₩-4.1bn |
| 2026-09-15 | ₩104,600 | +₩5.8bn | ₩-6.4bn | +₩1.1bn |
| 2026-09-14 | ₩107,400 | +₩7.7bn | ₩-8.4bn | +₩0.8bn |
| 2026-09-11 | ₩109,900 | +₩1.0bn | ₩-7.0bn | +₩6.1bn |
| 2026-09-10 | ₩113,000 | +₩1.8bn | ₩-0.8bn | ₩-0.7bn |
| 2026-09-09 | ₩112,300 | +₩5.0bn | +₩0.4bn | ₩-5.4bn |
| 2026-09-08 | ₩110,300 | ₩-4.2bn | +₩6.4bn | ₩-2.1bn |
| 2026-09-07 | ₩111,900 | ₩-10.7bn | +₩7.8bn | +₩4.5bn |
| 2026-09-04 | ₩111,100 | +₩3.3bn | +₩11.5bn | ₩-15.6bn |
| 2026-09-03 | ₩106,000 | ₩-5.1bn | ₩-4.5bn | +₩9.5bn |
| 2026-09-02 | ₩112,000 | +₩7.3bn | +₩3.5bn | ₩-10.9bn |
| 2026-09-01 | ₩111,100 | +₩2.3bn | ₩-6.8bn | +₩4.3bn |
| 2026-08-31 | ₩114,000 | ₩-1.2bn | +₩6.9bn | ₩-4.9bn |
| 2026-08-28 | ₩112,800 | ₩-6.0bn | +₩19.9bn | ₩-13.6bn |
| 2026-08-27 | ₩112,800 | ₩-5.4bn | +₩16.2bn | ₩-10.3bn |
| 2026-08-26 | ₩110,800 | ₩-14.2bn | +₩37.7bn | ₩-24.0bn |
| 2026-08-25 | ₩106,900 | ₩-11.1bn | +₩24.2bn | ₩-13.1bn |
| 2026-08-24 | ₩100,600 | +₩1.0bn | +₩7.1bn | ₩-8.9bn |
| 2026-08-21 | ₩99,300 | ₩-7.4bn | ₩-0.1bn | +₩8.0bn |
| 2026-08-20 | ₩105,000 | ₩-19.1bn | +₩4.7bn | +₩13.7bn |
| 2026-08-19 | ₩104,400 | ₩-14.3bn | +₩30.9bn | ₩-16.6bn |
| 2026-08-18 | ₩102,900 | +₩13.9bn | +₩36.8bn | ₩-50.3bn |
| 2026-08-14 | ₩95,600 | ₩-13.2bn | ₩-6.8bn | +₩19.5bn |
| 2026-08-13 | ₩96,800 | ₩-12.3bn | +₩21.3bn | ₩-8.9bn |
| 2026-08-12 | ₩90,100 | +₩3.9bn | +₩4.9bn | ₩-9.1bn |
| 2026-08-11 | ₩87,800 | ₩-23.4bn | ₩-8.7bn | +₩31.6bn |
| 2026-08-10 | ₩93,000 | +₩1.4bn | +₩16.5bn | ₩-18.3bn |
| 2026-08-07 | ₩82,300 | +₩3.7bn | ₩-3.3bn | ₩-0.3bn |
| 2026-08-06 | ₩83,100 | ₩-5.2bn | +₩8.9bn | ₩-3.9bn |
| 2026-08-05 | ₩84,700 | ₩-21.4bn | +₩17.8bn | +₩3.6bn |
| 2026-08-04 | ₩79,600 | ₩-7.0bn | +₩8.8bn | ₩-2.5bn |
| 2026-08-03 | ₩74,500 | +₩0.2bn | +₩6.4bn | ₩-6.9bn |
| 2026-07-31 | ₩74,500 | ₩-1.4bn | +₩9.2bn | ₩-7.5bn |
| 2026-07-30 | ₩59,200 | +₩7.2bn | ₩-8.0bn | +₩1.1bn |
| 2026-07-29 | ₩64,000 | +₩21.7bn | ₩-7.2bn | ₩-14.6bn |
| 2026-07-28 | ₩71,400 | ₩-0.4bn | ₩-7.7bn | +₩8.2bn |
| 2026-07-27 | ₩85,800 | ₩-13.0bn | +₩2.5bn | +₩11.0bn |
| 2026-07-24 | ₩87,000 | ₩-9.1bn | +₩1.5bn | +₩7.6bn |
| 2026-07-23 | ₩93,400 | ₩-12.9bn | ₩-2.5bn | +₩15.0bn |
| 2026-07-22 | ₩91,600 | +₩13.2bn | +₩2.3bn | ₩-15.5bn |
| 2026-07-21 | ₩88,600 | ₩-3.6bn | +₩9.2bn | ₩-5.7bn |
| 2026-07-20 | ₩84,400 | +₩0.6bn | ₩-3.5bn | +₩2.7bn |
| 2026-07-16 | ₩92,000 | ₩-20.4bn | +₩2.7bn | +₩17.5bn |
| 2026-07-15 | ₩102,100 | ₩-17.6bn | +₩4.9bn | +₩12.5bn |
| 2026-07-14 | ₩97,900 | ₩-34.8bn | +₩32.1bn | +₩2.8bn |
| 2026-07-13 | ₩99,600 | ₩-30.3bn | +₩46.6bn | ₩-16.4bn |
Investor flows summary
| Window | Foreign | (USD) | Institutions | Retail |
|---|---|---|---|---|
| 1 day | ₩-5.5bn | $-4M | +₩10.2bn | ₩-4.5bn |
| 5 days | +₩171.0bn | +$128M | ₩-142.7bn | ₩-27.6bn |
| 20 days | +₩144.2bn | +$108M | ₩-135.8bn | ₩-4.8bn |
Positive = net buying, negative = net selling. Values aggregate the KRX main board and the NXT alternative venue.
Frequently asked questions
Are foreign investors buying Isupetasys stock?
Over the last 5 sessions foreign investors net bought ₩171.0bn ($128M) of Isupetasys; over 60 sessions they net sold ₩65.1bn ($49M); since Jan 1, 2026 they net sold ₩1,087.4bn ($816M). Over 20 sessions the stock is the 5th largest foreign net purchase among 832 KOSPI stocks.
How much of Isupetasys do foreign investors own?
Foreign investors own 17.75% of Isupetasys' shares as of Oct 13, 2026, versus 27.7% 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 sold ₩135.8bn ($102M) and retail investors net sold ₩4.8bn ($4M) of Isupetasys. Foreign buying is being met mainly by retail selling.
Is Isupetasys listed on KOSPI or KOSDAQ?
Isupetasys (이수페타시스) trades on KOSPI under KRX code 007660 in the Semiconductors group, with a market capitalization of ₩9T ($6.5B). 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 | ₩675bn ($507M) | – | ₩62bn ($47M) | ₩48bn ($36M) |
| 2024 | ₩837bn ($628M) | +23.90% | ₩102bn ($76M) | ₩74bn ($56M) |
| 2025 | ₩1.1T ($816M) | +30.00% | ₩205bn ($154M) | ₩160bn ($120M) |
Consolidated (K-IFRS) where available, from DART regulatory filings. USD figures converted at the current rate (₩1333.09/$) for reference only.