JS Link (KRX: 127120)
Who is buying JS Link?
Between Sep 15, 2026 and Oct 16, 2026 (20 trading sessions), foreign investors net bought ₩8.4bn ($6M) of JS Link, the 46th largest foreign net purchase among 1828 KOSDAQ stocks. Institutions net bought ₩10.6bn ($8M) and retail investors net sold ₩20.5bn ($15M) over the same window. Foreigners were net buyers on 9 of the 20 sessions.
Foreign investors hold 4.34% of JS Link's listed shares (KRX ownership data as of Oct 16, 2026), up from 3.3% twenty sessions earlier and 1.32% a year ago.
The stock closed at ₩20,900 on Oct 16, 2026: -30.56% over 20 sessions, +17.09% year-to-date, -3.91% over one year. The 52-week range is ₩13,860 – ₩49,900.
View chart data as a table
| Date | Close | Foreign net | Institutions | Retail |
|---|---|---|---|---|
| 2026-10-16 | ₩20,900 | +₩2.0bn | ₩-1.7bn | ₩-0.6bn |
| 2026-10-15 | ₩21,200 | +₩3.3bn | ₩-1.3bn | ₩-2.1bn |
| 2026-10-14 | ₩24,000 | +₩2.9bn | +₩0.8bn | ₩-3.8bn |
| 2026-10-13 | ₩25,350 | +₩0.6bn | +₩1.1bn | ₩-1.7bn |
| 2026-10-12 | ₩27,050 | ₩-1.2bn | +₩0.6bn | +₩0.3bn |
| 2026-10-08 | ₩28,750 | ₩-1.2bn | +₩1.2bn | ₩-0.6bn |
| 2026-10-07 | ₩27,850 | ₩-0.9bn | +₩0.4bn | +₩1.0bn |
| 2026-10-06 | ₩29,950 | ₩-0.5bn | +₩0.4bn | ₩-0.7bn |
| 2026-10-02 | ₩29,200 | ₩-1.6bn | ₩-0.6bn | +₩2.1bn |
| 2026-10-01 | ₩30,350 | ₩-0.3bn | +₩1.1bn | ₩-0.8bn |
| 2026-09-30 | ₩30,450 | ₩-1.1bn | +₩1.9bn | ₩-0.9bn |
| 2026-09-29 | ₩29,700 | ₩-4.0bn | ₩-2.1bn | +₩6.0bn |
| 2026-09-28 | ₩32,200 | +₩7.7bn | +₩1.5bn | ₩-9.2bn |
| 2026-09-23 | ₩31,800 | ₩-1.0bn | +₩0.3bn | +₩0.7bn |
| 2026-09-22 | ₩32,750 | ₩-2.7bn | ₩-0.1bn | +₩3.0bn |
| 2026-09-21 | ₩34,350 | +₩1.0bn | +₩6.7bn | ₩-7.7bn |
| 2026-09-18 | ₩32,500 | +₩2.5bn | ₩-0.3bn | ₩-2.1bn |
| 2026-09-17 | ₩32,350 | +₩1.6bn | ₩-0.2bn | ₩-1.4bn |
| 2026-09-16 | ₩31,100 | +₩1.3bn | +₩0.9bn | ₩-2.2bn |
| 2026-09-15 | ₩30,300 | ₩-0.0bn | ₩-0.2bn | +₩0.1bn |
| 2026-09-14 | ₩30,100 | +₩0.6bn | +₩0.2bn | ₩-0.7bn |
| 2026-09-11 | ₩31,450 | ₩-0.3bn | ₩-0.1bn | +₩0.3bn |
| 2026-09-10 | ₩32,650 | ₩-1.2bn | +₩1.6bn | ₩-0.4bn |
| 2026-09-09 | ₩33,000 | +₩1.5bn | ₩-0.0bn | ₩-1.5bn |
| 2026-09-08 | ₩31,700 | +₩0.1bn | +₩1.3bn | ₩-1.5bn |
| 2026-09-07 | ₩32,400 | ₩-1.8bn | +₩2.7bn | ₩-0.8bn |
| 2026-09-04 | ₩33,600 | +₩1.2bn | ₩-0.4bn | ₩-1.1bn |
| 2026-09-03 | ₩29,900 | ₩-0.7bn | +₩0.1bn | +₩0.5bn |
| 2026-09-02 | ₩30,700 | +₩0.7bn | ₩-1.3bn | +₩0.6bn |
| 2026-09-01 | ₩32,000 | +₩0.4bn | +₩0.0bn | ₩-0.3bn |
| 2026-08-31 | ₩33,000 | +₩0.1bn | +₩0.1bn | ₩-0.2bn |
| 2026-08-28 | ₩33,950 | +₩0.2bn | ₩-0.1bn | ₩-0.1bn |
| 2026-08-27 | ₩34,000 | +₩0.5bn | ₩-0.6bn | ₩-0.0bn |
| 2026-08-26 | ₩33,500 | ₩-0.5bn | +₩1.5bn | ₩-0.4bn |
| 2026-08-25 | ₩34,400 | ₩-0.8bn | +₩1.4bn | ₩-0.7bn |
| 2026-08-24 | ₩34,300 | +₩0.4bn | ₩-1.0bn | +₩0.5bn |
| 2026-08-21 | ₩34,000 | ₩-2.4bn | +₩0.0bn | +₩2.2bn |
| 2026-08-20 | ₩37,250 | ₩-0.6bn | ₩-0.0bn | +₩0.7bn |
| 2026-08-19 | ₩36,700 | ₩-1.7bn | ₩-0.8bn | +₩2.4bn |
| 2026-08-18 | ₩38,050 | ₩-0.5bn | ₩-0.5bn | +₩1.0bn |
| 2026-08-14 | ₩40,500 | ₩-0.0bn | ₩-0.3bn | +₩0.3bn |
| 2026-08-13 | ₩41,500 | +₩1.2bn | +₩0.7bn | ₩-1.8bn |
| 2026-08-12 | ₩41,600 | +₩2.7bn | +₩0.2bn | ₩-2.8bn |
| 2026-08-11 | ₩41,000 | +₩1.9bn | ₩-0.1bn | ₩-1.9bn |
| 2026-08-10 | ₩40,950 | +₩1.0bn | +₩1.5bn | ₩-2.6bn |
| 2026-08-07 | ₩39,150 | +₩0.2bn | ₩-0.0bn | ₩-0.2bn |
| 2026-08-06 | ₩40,100 | +₩5.7bn | +₩1.3bn | ₩-7.7bn |
| 2026-08-05 | ₩35,350 | +₩0.2bn | +₩0.0bn | ₩-0.2bn |
| 2026-08-04 | ₩32,900 | +₩1.1bn | ₩-0.7bn | ₩-0.4bn |
| 2026-08-03 | ₩28,000 | ₩-0.0bn | ₩-0.4bn | +₩0.3bn |
| 2026-07-31 | ₩28,950 | ₩-0.2bn | ₩-0.3bn | +₩0.3bn |
| 2026-07-30 | ₩27,750 | +₩0.9bn | +₩0.2bn | ₩-1.4bn |
| 2026-07-29 | ₩29,950 | +₩0.4bn | +₩0.0bn | ₩-0.5bn |
| 2026-07-28 | ₩32,200 | +₩0.4bn | ₩-0.3bn | ₩-0.1bn |
| 2026-07-27 | ₩33,300 | +₩0.0bn | ₩-0.4bn | +₩0.3bn |
| 2026-07-24 | ₩32,850 | ₩-1.4bn | +₩0.6bn | +₩0.9bn |
| 2026-07-23 | ₩34,950 | ₩-0.3bn | ₩-0.1bn | +₩0.3bn |
| 2026-07-22 | ₩32,950 | ₩-0.8bn | +₩0.7bn | +₩0.2bn |
| 2026-07-21 | ₩32,600 | +₩0.6bn | ₩-0.0bn | ₩-0.6bn |
| 2026-07-20 | ₩32,200 | ₩-0.6bn | ₩-0.0bn | +₩0.8bn |
| 2026-07-16 | ₩34,750 | ₩-4.1bn | +₩0.3bn | +₩3.8bn |
Investor flows summary
| Window | Foreign | (USD) | Institutions | Retail |
|---|---|---|---|---|
| 1 day | +₩2.0bn | +$1M | ₩-1.7bn | ₩-0.6bn |
| 5 days | +₩7.6bn | +$6M | ₩-0.4bn | ₩-7.9bn |
| 20 days | +₩8.4bn | +$6M | +₩10.6bn | ₩-20.5bn |
Positive = net buying, negative = net selling. Values aggregate the KRX main board and the NXT alternative venue.
Frequently asked questions
Are foreign investors buying JS Link stock?
Over the last 5 sessions foreign investors net bought ₩7.6bn ($6M) of JS Link; over 60 sessions they net bought ₩16.3bn ($12M); since Jan 1, 2026 they net bought ₩26.4bn ($20M). Over 20 sessions the stock is the 46th largest foreign net purchase among 1828 KOSDAQ stocks.
How much of JS Link do foreign investors own?
Foreign investors own 4.34% of JS Link's shares as of Oct 16, 2026, versus 1.32% 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 ₩10.6bn ($8M) and retail investors net sold ₩20.5bn ($15M) of JS Link. Retail investors have been supplying the shares that foreigners and institutions are buying.
Is JS Link listed on KOSPI or KOSDAQ?
JS Link (제이에스링크) trades on KOSDAQ under KRX code 127120 in the Biotech & Pharma 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 | ₩22bn ($16M) | – | -₩4bn (-$3M) | -₩6bn (-$4M) |
| 2024 | ₩16bn ($12M) | -27.50% | -₩9bn (-$7M) | -₩11bn (-$8M) |
| 2025 | ₩19bn ($14M) | +21.40% | -₩12bn (-$9M) | -₩16bn (-$12M) |
Consolidated (K-IFRS) where available, from DART regulatory filings. USD figures converted at the current rate (₩1345.9/$) for reference only.