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Investor flows

Based on 369 major stocks · about 81% of trading value · close of 2026-10-20

Dates and sources

Top 5 by foreign net inflow

Total of the last 5 sessions · close of 2026-10-20

  1. SK스퀘어+129.4B KRW
  2. 알테오젠+81.9B KRW
  3. 셀트리온+76.1B KRW
  4. HMM+74.9B KRW
  5. 현대건설+50.5B KRW

Foreign = overseas investors

Top 5 by institutional net inflow

Total of the last 5 sessions · close of 2026-10-20

  1. 한화오션+514.6B KRW
  2. 삼성바이오로직스+275.7B KRW
  3. LG에너지솔루션+246.4B KRW
  4. 삼성SDI+188.5B KRW
  5. 셀트리온+187.6B KRW

Institutions = pension funds, trusts and other organizations

Investor
Period
Direction
Market

Net flow by investor type

5 sessions · October 14–October 20
  • Foreign-5.53 trillion KRW
  • Institutions (total)+2.34 trillion KRW
  • Pension funds-84.9B KRW
  • Investment trusts-291.7B KRW
  • Financial investment+2.80 trillion KRW
  • Individuals+236.4B KRW

Foreign · top net inflow

SK스퀘어402340 · KOSPI

+129.4B KRW+0.13% of market cap

Foreign · top net outflow

SK하이닉스000660 · KOSPI

-2.68 trillion KRW-0.30% of market cap

Longest streak

Inflow

HMM011200

13 days
Outflow

서진시스템178320

14 days

Foreign · 5 sessions · Top net inflow

Sorted by Net flow (KRW bn), descending
Foreign · 2026-10-14–2026-10-20 · Top net inflow · 50 stocks
RankStock20DClose
1SK스퀘어402340 · KOSPIClose over the last 20 sessions -27.4%+129.4+0.132%In 5 days741,000Down -5.00%
2알테오젠196170 · KOSDAQClose over the last 20 sessions -9.6%+81.9+0.509%In 1 days231,000Down -3.35%
3셀트리온068270 · KOSPIClose over the last 20 sessions +11.4%+76.1+0.166%Out 2 days197,400Down -0.40%
4HMM011200 · KOSPIClose over the last 20 sessions +15.2%+74.9+0.338%In 13 days23,450Down -2.29%
5현대건설000720 · KOSPIClose over the last 20 sessions -26.4%+50.5+0.495%In 8 days91,500Down -3.58%
6SK텔레콤017670 · KOSPIClose over the last 20 sessions -12.3%+46.4+0.280%In 9 days77,300Down -1.53%
7HD현대중공업329180 · KOSPIClose over the last 20 sessions -27.8%+44.9+0.135%In 2 days318,000Down -7.96%
8유한양행000100 · KOSPIClose over the last 20 sessions +11.5%+44.1+0.694%Out 1 days86,200Down -1.37%
9현대차005380 · KOSPIClose over the last 20 sessions -14.4%+43.1+0.068%Out 2 days310,000Down -4.91%
10DB하이텍000990 · KOSPIClose over the last 20 sessions -19.5%+42.5+0.972%In 2 days100,600Down -5.72%
11두산000150 · KOSPIClose over the last 20 sessions -27.2%+40.7+0.283%In 2 days1,010,000Down -5.70%
12한미약품128940 · KOSPIClose over the last 20 sessions -24.6%+39.9+0.822%Out 1 days378,500Down -2.82%
13NAVER035420 · KOSPIClose over the last 20 sessions -11.7%+39.2+0.145%Out 2 days178,000Down -2.68%
14S-Oil010950 · KOSPIClose over the last 20 sessions -0.1%+34.4+0.212%In 3 days144,000Down -7.81%
15POSCO홀딩스005490 · KOSPIClose over the last 20 sessions -7.5%+31.4+0.131%Out 1 days302,000Down -3.97%
16GS078930 · KOSPIClose over the last 20 sessions -20.5%+28.8+0.348%In 4 days89,000Down -5.12%
17테스095610 · KOSDAQClose over the last 20 sessions -13.6%+28.1+1.236%In 2 days117,300Down -4.87%
18파마리서치214450 · KOSDAQClose over the last 20 sessions -19.6%+26.1+0.943%In 1 days266,000Down -4.14%
19LG씨엔에스064400 · KOSPIClose over the last 20 sessions -1.6%+25.2+0.380%Out 1 days68,600Down -1.86%
20삼성에스디에스018260 · KOSPIClose over the last 20 sessions -8.6%+25.0+0.163%In 3 days198,800Down -2.31%

Stock

  1. SK스퀘어402340 · KOSPIRank 1% of mkt cap +0.132%Streak In 5 daysClose 741,000
    Net flow (KRW bn)+129.4Down -5.00%
  2. 알테오젠196170 · KOSDAQRank 2% of mkt cap +0.509%Streak In 1 daysClose 231,000
    Net flow (KRW bn)+81.9Down -3.35%
  3. 셀트리온068270 · KOSPIRank 3% of mkt cap +0.166%Streak Out 2 daysClose 197,400
    Net flow (KRW bn)+76.1Down -0.40%
  4. HMM011200 · KOSPIRank 4% of mkt cap +0.338%Streak In 13 daysClose 23,450
    Net flow (KRW bn)+74.9Down -2.29%
  5. 현대건설000720 · KOSPIRank 5% of mkt cap +0.495%Streak In 8 daysClose 91,500
    Net flow (KRW bn)+50.5Down -3.58%
  6. SK텔레콤017670 · KOSPIRank 6% of mkt cap +0.280%Streak In 9 daysClose 77,300
    Net flow (KRW bn)+46.4Down -1.53%
  7. HD현대중공업329180 · KOSPIRank 7% of mkt cap +0.135%Streak In 2 daysClose 318,000
    Net flow (KRW bn)+44.9Down -7.96%
  8. 유한양행000100 · KOSPIRank 8% of mkt cap +0.694%Streak Out 1 daysClose 86,200
    Net flow (KRW bn)+44.1Down -1.37%
  9. 현대차005380 · KOSPIRank 9% of mkt cap +0.068%Streak Out 2 daysClose 310,000
    Net flow (KRW bn)+43.1Down -4.91%
  10. DB하이텍000990 · KOSPIRank 10% of mkt cap +0.972%Streak In 2 daysClose 100,600
    Net flow (KRW bn)+42.5Down -5.72%
  11. 두산000150 · KOSPIRank 11% of mkt cap +0.283%Streak In 2 daysClose 1,010,000
    Net flow (KRW bn)+40.7Down -5.70%
  12. 한미약품128940 · KOSPIRank 12% of mkt cap +0.822%Streak Out 1 daysClose 378,500
    Net flow (KRW bn)+39.9Down -2.82%
  13. NAVER035420 · KOSPIRank 13% of mkt cap +0.145%Streak Out 2 daysClose 178,000
    Net flow (KRW bn)+39.2Down -2.68%
  14. S-Oil010950 · KOSPIRank 14% of mkt cap +0.212%Streak In 3 daysClose 144,000
    Net flow (KRW bn)+34.4Down -7.81%
  15. POSCO홀딩스005490 · KOSPIRank 15% of mkt cap +0.131%Streak Out 1 daysClose 302,000
    Net flow (KRW bn)+31.4Down -3.97%
  16. GS078930 · KOSPIRank 16% of mkt cap +0.348%Streak In 4 daysClose 89,000
    Net flow (KRW bn)+28.8Down -5.12%
  17. 테스095610 · KOSDAQRank 17% of mkt cap +1.236%Streak In 2 daysClose 117,300
    Net flow (KRW bn)+28.1Down -4.87%
  18. 파마리서치214450 · KOSDAQRank 18% of mkt cap +0.943%Streak In 1 daysClose 266,000
    Net flow (KRW bn)+26.1Down -4.14%
  19. LG씨엔에스064400 · KOSPIRank 19% of mkt cap +0.380%Streak Out 1 daysClose 68,600
    Net flow (KRW bn)+25.2Down -1.86%
  20. 삼성에스디에스018260 · KOSPIRank 20% of mkt cap +0.163%Streak In 3 daysClose 198,800
    Net flow (KRW bn)+25.0Down -2.31%

Opposite side · Top net outflow 10

Foreign · 5 sessions · October 14–October 20

  1. 1SK하이닉스000660Close over the last 20 sessions -30.5%-2.68 trillion KRW
  2. 2삼성전자005930Close over the last 20 sessions -16.6%-1.10 trillion KRW
  3. 3삼성전기009150Close over the last 20 sessions -16.4%-554.5B KRW
  4. 4삼성전자우005935Close over the last 20 sessions -14.7%-260.6B KRW
  5. 5KB금융105560Close over the last 20 sessions -8.9%-136.0B KRW
  6. 6주성엔지니어링036930Close over the last 20 sessions -1.9%-134.9B KRW
  7. 7삼성바이오로직스207940Close over the last 20 sessions -1.3%-133.0B KRW
  8. 8대덕전자353200Close over the last 20 sessions +30.1%-106.6B KRW
  9. 9효성중공업298040Close over the last 20 sessions -32.6%-101.9B KRW
  10. 10한미반도체042700Close over the last 20 sessions -11.5%-93.7B KRW

Streaks of 3+ days

42 stocks
  1. 서진시스템178320Close over the last 20 sessions +6.3%Out 14 days-27.6B KRW
  2. HMM011200Close over the last 20 sessions +15.2%In 13 days+74.9B KRW
  3. 삼성바이오로직스207940Close over the last 20 sessions -1.3%Out 11 days-133.0B KRW
  4. SK텔레콤017670Close over the last 20 sessions -12.3%In 9 days+46.4B KRW
  5. JB금융지주175330Close over the last 20 sessions -18.7%Out 9 days-22.6B KRW
  6. CJ001040Close over the last 20 sessions -8.5%In 9 days+14.7B KRW
  7. 우리금융지주316140Close over the last 20 sessions -12.4%Out 8 days-70.2B KRW
  8. 현대건설000720Close over the last 20 sessions -26.4%In 8 days+50.5B KRW
  9. 비에이치아이083650Close over the last 20 sessions -25.9%In 8 days+18.0B KRW
  10. KT&G033780Close over the last 20 sessions +12.8%Out 7 days-44.9B KRW

Net flow by sector

Sum over the 369 major stocks. Showing the 12 sectors with the largest absolute net flow, in net flow order. Right of zero is net inflow, left of zero is net outflow.

Net flow (KRW bn)

  1. 지주회사+144.5 22 stocks
  2. 바이오 R&D+118.3 20 stocks
  3. 제약+70.7 33 stocks
  4. 화학-72.9 26 stocks
  5. 자동차·부품-81.7 11 stocks
  6. 보험-121.0 8 stocks
  7. 전기장비-127.6 15 stocks
  8. 2차전지-198.1 8 stocks
  9. 기계·장비-300.8 43 stocks
  10. 은행·금융지주-348.5 12 stocks
  11. 전자부품-830.6 24 stocks
  12. 반도체-4,074.2 13 stocks

Cumulative net flow by investor

Source and scope

Toss Securities investor trading trends · net shares times that day’s close, converted to KRW.

Only the 369 major stocks with flow data are counted. This is not a whole-market ranking.

Flows as of 2026-10-20 · prices and market cap as of 2026-10-20

1 stocks whose flow data stopped before the as-of date are left out.