Korean Stock Flows

Ilsung Is (KRX: 003120)

일성아이에스 KOSPI Biotech & Pharma 의약품 제조업
Close (Oct 16, 2026)
₩21,850
+1.16%
Market cap
₩0T ($0.2B)
52-week range
₩17,120 – ₩29,300
P/E (trailing) · P/B · Div yield
128.53 · 0.41 · 5.49%

Who is buying Ilsung Is?

Between Sep 15, 2026 and Oct 16, 2026 (20 trading sessions), foreign investors net sold ₩0.1bn ($0M) of Ilsung Is, the 416th largest foreign net sale among 832 KOSPI stocks. Institutions net bought ₩0.0bn ($0M) and retail investors net bought ₩0.0bn ($0M) over the same window. Foreigners were net buyers on 7 of the 20 sessions.

Foreign investors hold 0.32% of Ilsung Is' listed shares (KRX ownership data as of Oct 16, 2026), down from 0.37% twenty sessions earlier and 0.34% a year ago.

The stock closed at ₩21,850 on Oct 16, 2026: -0.91% over 20 sessions, +0.23% year-to-date, -9.71% over one year. The 52-week range is ₩17,120 – ₩29,300.

At ₩21,850 the stock trades at 128.53× trailing earnings (KRX, last completed fiscal year); no analyst consensus is available for a forward P/E.

Ilsung Is share price, last 60 trading days (KRW)
22,488 21,629 20,771 19,912 Jul 16 Aug 31 Oct 16
Daily foreign investor net purchases, last 60 trading days
+0.2bn +0.1bn -0.1bn -0.2bn Jul 16 Aug 31 Oct 16
View chart data as a table
Date Close Foreign net Institutions Retail
2026-10-16 ₩21,850 +₩0.0bn ₩-0.0bn ₩-0.0bn
2026-10-15 ₩21,600 +₩0.0bn +₩0.0bn ₩-0.1bn
2026-10-14 ₩21,950 +₩0.0bn +₩0.0bn ₩-0.0bn
2026-10-13 ₩21,750 +₩0.0bn +₩0.0bn ₩-0.1bn
2026-10-12 ₩21,950 +₩0.1bn +₩0.0bn ₩-0.1bn
2026-10-08 ₩22,350 +₩0.0bn ₩-0.0bn ₩-0.0bn
2026-10-07 ₩22,200 ₩-0.0bn ₩-0.0bn +₩0.0bn
2026-10-06 ₩22,300 ₩-0.0bn ₩-0.0bn +₩0.0bn
2026-10-02 ₩22,050 ₩-0.0bn +₩0.0bn +₩0.0bn
2026-10-01 ₩22,050 ₩-0.1bn ₩-0.0bn +₩0.1bn
2026-09-30 ₩21,600 ₩-0.0bn +₩0.0bn +₩0.0bn
2026-09-29 ₩21,700 ₩-0.0bn +₩0.0bn +₩0.0bn
2026-09-28 ₩21,700 ₩-0.0bn ₩-0.0bn +₩0.0bn
2026-09-23 ₩21,950 +₩0.1bn ₩-0.0bn ₩-0.1bn
2026-09-22 ₩21,850 ₩-0.0bn ₩-0.0bn +₩0.0bn
2026-09-21 ₩21,900 ₩-0.0bn ₩-0.0bn +₩0.0bn
2026-09-18 ₩22,000 ₩-0.0bn +₩0.0bn +₩0.0bn
2026-09-17 ₩21,800 ₩-0.0bn ₩-0.0bn +₩0.0bn
2026-09-16 ₩22,050 ₩-0.1bn +₩0.0bn +₩0.1bn
2026-09-15 ₩22,100 ₩-0.0bn ₩-0.0bn +₩0.0bn
2026-09-14 ₩22,050 ₩-0.0bn ₩-0.0bn +₩0.0bn
2026-09-11 ₩22,000 +₩0.0bn ₩0.0bn ₩-0.0bn
2026-09-10 ₩21,650 ₩-0.1bn +₩0.0bn +₩0.0bn
2026-09-09 ₩20,850 ₩0.0bn ₩-0.0bn +₩0.0bn
2026-09-08 ₩20,750 +₩0.0bn +₩0.0bn ₩-0.0bn
2026-09-07 ₩20,550 +₩0.0bn ₩-0.0bn ₩-0.0bn
2026-09-04 ₩20,550 ₩-0.0bn ₩-0.0bn +₩0.0bn
2026-09-03 ₩20,650 +₩0.0bn ₩-0.0bn ₩-0.0bn
2026-09-02 ₩20,550 +₩0.0bn ₩-0.0bn +₩0.0bn
2026-09-01 ₩20,600 +₩0.0bn ₩-0.0bn ₩-0.0bn
2026-08-31 ₩20,450 ₩-0.0bn +₩0.0bn +₩0.0bn
2026-08-28 ₩20,950 ₩-0.0bn +₩0.0bn +₩0.0bn
2026-08-27 ₩21,000 ₩-0.0bn +₩0.0bn +₩0.0bn
2026-08-26 ₩20,800 +₩0.0bn ₩0.0bn ₩-0.0bn
2026-08-25 ₩20,950 +₩0.1bn ₩-0.0bn ₩-0.1bn
2026-08-24 ₩20,550 +₩0.1bn +₩0.0bn ₩-0.1bn
2026-08-21 ₩20,500 +₩0.0bn +₩0.0bn ₩-0.0bn
2026-08-20 ₩20,750 ₩-0.0bn +₩0.0bn +₩0.0bn
2026-08-19 ₩20,100 ₩-0.1bn +₩0.1bn +₩0.1bn
2026-08-18 ₩20,300 ₩-0.0bn +₩0.0bn +₩0.0bn
2026-08-14 ₩20,550 +₩0.0bn ₩-0.0bn ₩-0.0bn
2026-08-13 ₩20,500 ₩-0.0bn +₩0.0bn +₩0.0bn
2026-08-12 ₩20,350 ₩-0.0bn ₩-0.0bn +₩0.0bn
2026-08-11 ₩20,650 +₩0.0bn +₩0.0bn ₩-0.1bn
2026-08-10 ₩20,450 +₩0.0bn ₩-0.0bn ₩-0.0bn
2026-08-07 ₩20,400 +₩0.0bn ₩-0.0bn ₩-0.0bn
2026-08-06 ₩20,250 ₩-0.0bn ₩-0.0bn +₩0.0bn
2026-08-05 ₩20,050 ₩-0.1bn +₩0.0bn +₩0.1bn
2026-08-04 ₩20,100 ₩-0.0bn +₩0.0bn +₩0.0bn
2026-08-03 ₩20,200 +₩0.0bn ₩-0.0bn +₩0.0bn
2026-07-31 ₩20,100 +₩0.0bn +₩0.0bn ₩-0.0bn
2026-07-30 ₩20,350 +₩0.2bn +₩0.0bn ₩-0.1bn
2026-07-29 ₩20,500 ₩-0.0bn +₩0.0bn +₩0.0bn
2026-07-28 ₩20,900 +₩0.0bn +₩0.0bn ₩-0.0bn
2026-07-27 ₩20,900 +₩0.0bn ₩-0.0bn ₩-0.0bn
2026-07-24 ₩20,650 ₩-0.0bn ₩0.0bn +₩0.0bn
2026-07-23 ₩20,700 +₩0.0bn ₩0.0bn ₩-0.0bn
2026-07-22 ₩20,250 ₩-0.0bn ₩-0.0bn +₩0.0bn
2026-07-21 ₩20,200 +₩0.1bn ₩-0.0bn ₩-0.1bn
2026-07-20 ₩20,050 ₩-0.1bn ₩-0.0bn +₩0.1bn
2026-07-16 ₩20,100 +₩0.0bn ₩0.0bn ₩-0.0bn

Investor flows summary

Window Foreign (USD) Institutions Retail
1 day +₩0.0bn +$0M ₩-0.0bn ₩-0.0bn
5 days +₩0.2bn +$0M +₩0.1bn ₩-0.2bn
20 days ₩-0.1bn $-0M +₩0.0bn +₩0.0bn

Positive = net buying, negative = net selling. Values aggregate the KRX main board and the NXT alternative venue.

Frequently asked questions

Are foreign investors buying Ilsung Is stock?

Over the last 5 sessions foreign investors net bought ₩0.2bn ($0M) of Ilsung Is; over 60 sessions they net bought ₩0.1bn ($0M); since Jan 1, 2026 they net sold ₩0.6bn ($0M). Over 20 sessions the stock is the 416th largest foreign net sale among 832 KOSPI stocks.

How much of Ilsung Is do foreign investors own?

Foreign investors own 0.32% of Ilsung Is' shares as of Oct 16, 2026, versus 0.34% 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 ₩0.0bn ($0M) and retail investors net bought ₩0.0bn ($0M) of Ilsung Is. Foreign selling is being absorbed mainly by retail buying.

Is Ilsung Is listed on KOSPI or KOSDAQ?

Ilsung Is (일성아이에스) trades on KOSPI under KRX code 003120 in the Biotech & Pharma group, with a market capitalization of ₩0T ($0.2B). 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 ₩78bn ($58M) – -₩8bn (-$6M) -₩21bn (-$16M)
2024 ₩69bn ($51M) -11.60% -₩10bn (-$7M) ₩13bn ($10M)
2025 ₩64bn ($48M) -6.80% -₩6bn (-$5M) ₩1bn ($1M)

Consolidated (K-IFRS) where available, from DART regulatory filings. USD figures converted at the current rate (₩1345.9/$) for reference only.

← All foreign investor flows