Korean Stock Flows

Proteina (KRX: 468530)

프로티나 KOSDAQ Biotech & Pharma 자연과학 및 공학 연구개발업
Close (Oct 13, 2026)
₩44,550
+5.57%
Market cap
₩0T ($0.4B)
52-week range
₩15,500 – ₩120,100
P/E (trailing) · P/B · Div yield
– · 17.17 · 0%

Who is buying Proteina?

Between Sep 10, 2026 and Oct 13, 2026 (20 trading sessions), foreign investors net sold ₩7.5bn ($6M) of Proteina, the 84th largest foreign net sale among 1828 KOSDAQ stocks. Institutions net bought ₩17.7bn ($13M) and retail investors net sold ₩9.3bn ($7M) over the same window. Foreigners were net buyers on 8 of the 20 sessions.

Foreign investors hold 1.85% of Proteina's listed shares (KRX ownership data as of Oct 13, 2026), down from 2.42% twenty sessions earlier and 3.82% a year ago.

The stock closed at ₩44,550 on Oct 13, 2026: +52.57% over 20 sessions, -59.72% year-to-date, -22.52% over one year. The 52-week range is ₩15,500 – ₩120,100.

Proteina share price, last 60 trading days (KRW)
55,970 41,843 27,717 13,590 Jul 13 Aug 26 Oct 13
Daily foreign investor net purchases, last 60 trading days
+4.3bn +2.2bn -2.2bn -4.3bn Jul 13 Aug 26 Oct 13
View chart data as a table
Date Close Foreign net Institutions Retail
2026-10-13 ₩44,550 ₩-0.8bn +₩1.3bn ₩-0.7bn
2026-10-12 ₩42,200 ₩-0.6bn +₩0.0bn +₩0.4bn
2026-10-08 ₩44,400 +₩0.2bn ₩-0.4bn +₩0.1bn
2026-10-07 ₩44,000 ₩-1.1bn ₩-1.6bn +₩2.8bn
2026-10-06 ₩51,500 ₩-1.0bn +₩1.2bn ₩-0.0bn
2026-10-02 ₩51,300 +₩1.1bn +₩0.1bn ₩-0.9bn
2026-10-01 ₩51,300 ₩-0.6bn +₩1.0bn +₩0.1bn
2026-09-30 ₩51,900 ₩-0.5bn +₩1.8bn ₩-1.3bn
2026-09-29 ₩53,600 ₩-0.6bn +₩2.6bn ₩-1.7bn
2026-09-28 ₩53,700 ₩-4.3bn +₩6.1bn ₩-2.2bn
2026-09-23 ₩47,250 +₩0.9bn +₩3.4bn ₩-2.7bn
2026-09-22 ₩39,950 ₩-0.4bn +₩0.6bn ₩-0.2bn
2026-09-21 ₩39,450 ₩-0.3bn +₩0.7bn ₩-0.8bn
2026-09-18 ₩35,050 +₩0.4bn +₩0.2bn ₩-0.8bn
2026-09-17 ₩33,900 ₩-0.5bn +₩0.9bn ₩-0.5bn
2026-09-16 ₩32,550 ₩-0.4bn +₩0.1bn +₩0.1bn
2026-09-15 ₩28,650 +₩0.6bn ₩-0.0bn ₩-0.5bn
2026-09-14 ₩26,000 +₩0.3bn ₩-0.2bn ₩-0.1bn
2026-09-11 ₩27,450 +₩0.2bn ₩-0.1bn ₩-0.1bn
2026-09-10 ₩28,500 +₩0.1bn +₩0.1bn ₩-0.1bn
2026-09-09 ₩29,200 +₩0.2bn ₩-0.1bn ₩-0.1bn
2026-09-08 ₩28,600 +₩0.3bn ₩-0.0bn ₩-0.3bn
2026-09-07 ₩29,750 ₩-0.1bn ₩-0.1bn +₩0.2bn
2026-09-04 ₩30,750 ₩-0.1bn ₩-0.0bn +₩0.2bn
2026-09-03 ₩30,750 +₩0.1bn ₩0.0bn ₩-0.1bn
2026-09-02 ₩30,700 +₩0.2bn ₩-0.5bn +₩0.3bn
2026-09-01 ₩34,400 ₩-0.3bn +₩0.4bn ₩-0.1bn
2026-08-31 ₩35,050 ₩-0.0bn +₩0.1bn +₩0.1bn
2026-08-28 ₩35,900 ₩-1.7bn ₩-0.3bn +₩1.9bn
2026-08-27 ₩37,800 ₩-0.8bn ₩-0.5bn +₩1.2bn
2026-08-26 ₩37,550 +₩1.4bn ₩-1.1bn ₩-0.2bn
2026-08-25 ₩34,950 +₩0.4bn ₩-0.6bn +₩0.3bn
2026-08-24 ₩34,350 ₩-0.3bn ₩-1.3bn +₩1.5bn
2026-08-21 ₩36,700 ₩-0.2bn ₩-0.2bn +₩0.2bn
2026-08-20 ₩35,600 ₩-2.1bn ₩-0.4bn +₩2.5bn
2026-08-19 ₩34,250 +₩0.1bn +₩1.6bn ₩-1.5bn
2026-08-18 ₩32,100 ₩-2.3bn ₩-0.2bn +₩2.4bn
2026-08-14 ₩37,600 ₩-3.4bn +₩2.5bn +₩1.0bn
2026-08-13 ₩34,450 ₩-0.5bn +₩0.9bn ₩-0.4bn
2026-08-12 ₩29,400 ₩-0.3bn +₩0.1bn +₩0.2bn
2026-08-11 ₩31,300 ₩-2.3bn ₩-0.0bn +₩2.2bn
2026-08-10 ₩30,500 ₩-0.1bn +₩0.6bn ₩-0.6bn
2026-08-07 ₩25,900 ₩-0.2bn ₩-0.0bn +₩0.2bn
2026-08-06 ₩26,750 ₩-1.6bn +₩0.0bn +₩1.5bn
2026-08-05 ₩26,100 ₩-0.7bn +₩0.0bn +₩0.6bn
2026-08-04 ₩23,050 ₩-0.2bn +₩0.0bn +₩0.3bn
2026-08-03 ₩21,250 ₩-0.3bn ₩-0.0bn +₩0.3bn
2026-07-31 ₩18,520 +₩0.1bn +₩0.1bn ₩-0.2bn
2026-07-30 ₩15,860 +₩0.1bn +₩0.0bn ₩-0.2bn
2026-07-29 ₩16,410 +₩0.3bn +₩0.1bn ₩-0.4bn
2026-07-28 ₩18,830 +₩0.0bn +₩0.0bn ₩-0.1bn
2026-07-27 ₩20,500 +₩0.1bn +₩0.0bn ₩-0.1bn
2026-07-24 ₩20,850 ₩-0.0bn +₩0.0bn +₩0.0bn
2026-07-23 ₩22,300 +₩0.2bn +₩0.0bn ₩-0.2bn
2026-07-22 ₩21,150 ₩-0.0bn +₩0.0bn +₩0.0bn
2026-07-21 ₩21,750 +₩0.0bn +₩0.0bn ₩-0.1bn
2026-07-20 ₩21,750 ₩-0.2bn ₩-0.0bn +₩0.2bn
2026-07-16 ₩24,100 ₩-0.8bn +₩0.0bn +₩0.8bn
2026-07-15 ₩26,200 +₩0.3bn ₩-0.0bn ₩-0.2bn
2026-07-14 ₩22,450 +₩0.1bn +₩0.0bn ₩-0.1bn
2026-07-13 ₩23,000 ₩-0.7bn +₩0.0bn +₩0.5bn

Investor flows summary

Window Foreign (USD) Institutions Retail
1 day ₩-0.8bn $-1M +₩1.3bn ₩-0.7bn
5 days ₩-3.3bn $-2M +₩0.5bn +₩2.5bn
20 days ₩-7.5bn $-6M +₩17.7bn ₩-9.3bn

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

Frequently asked questions

Are foreign investors buying Proteina stock?

Over the last 5 sessions foreign investors net sold ₩3.3bn ($2M) of Proteina; over 60 sessions they net sold ₩22.3bn ($17M); since Jan 1, 2026 they net sold ₩7.0bn ($5M). Over 20 sessions the stock is the 84th largest foreign net sale among 1828 KOSDAQ stocks.

How much of Proteina do foreign investors own?

Foreign investors own 1.85% of Proteina's shares as of Oct 13, 2026, versus 3.82% 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 ₩17.7bn ($13M) and retail investors net sold ₩9.3bn ($7M) of Proteina. Institutions are on the other side of foreign selling.

Is Proteina listed on KOSPI or KOSDAQ?

Proteina (프로티나) trades on KOSDAQ under KRX code 468530 in the Biotech & Pharma group, with a market capitalization of ₩0T ($0.4B). 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
2025 ₩3bn ($2M) – -₩11bn (-$9M) -₩9bn (-$7M)

Consolidated (K-IFRS) where available, from DART regulatory filings. USD figures converted at the current rate (₩1333.09/$) for reference only.

← All foreign investor flows