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KOSPI Institutional Buying Trends: Samsung Electronics Leads Weekly Net Purchases

Electronic Technology · Semiconductors · yonhap_finance · 2026-09-11

During the week of September 7-11, 2026, institutional investors in the KOSPI market heavily favored semiconductor stocks, with Samsung Electronics topping the list.

What Happened

Weekly Institutional Buying: For the week of September 7-11, institutional investors in the KOSPI market net purchased Samsung Electronics, totaling 2.94 trillion KRW. Significant buying interest was also directed toward SK Hynix and Hanmi Semiconductor, highlighting a strong preference for the semiconductor sector.

Top Buys: Beyond Samsung Electronics, institutions heavily accumulated shares in Samsung Electronics Preferred, Doosan Enerbility, and DB HiTek. These large-cap stocks in the tech and energy sectors remained the primary focus of institutional portfolios.

Top Sells: Conversely, institutions offloaded Hyundai Mobis, recording the highest net selling value at 161.9 billion KRW. Celltrion and NAVER were also among the top stocks sold, suggesting a period of profit-taking for these equities.

Market Dynamics: The weekly data indicates that institutional investors concentrated their capital on semiconductor plays while simultaneously trimming positions in other large-cap and construction-related stocks. This trend reflects a clear sectoral rotation strategy within the Korean equity market.

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