Quantitative Research

KRX Foreign Holding Weekly (Oct 2nd): SK Hynix, Samsung Electronics, Woori Financial

02 Oct 2026 By Ke Yan, CFA
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Abstract: We analyzed weekly changes in foreign holdings of KRX stocks as of October 2nd, with aggregated foreign holdings of USD1,724.3bn. We estimate weekly foreign flows were outflows of USD6,402mln. Foreign holdings decreased by USD31bn, or 1.8% week on week, while the KOSPI index fell a smaller 1.1% over the same period. SK Hynix led outflows at USD3,655mln and Samsung Electronics followed with USD1,654mln, while SamsungElecMech lost USD293mln and Doosan Enerbility lost USD157mln in foreign holdings. Woori Financial was the top inflow stock, gaining USD419mln in foreign holdings despite its share price falling 5.2% over the week.

Woori Financial (316140 KS) Doosan Enerbility (034020 KS) SamsungElecMech (009150 KS) SK Hynix (000660 KS) Samsung Electronics (005930 KS)

Highlighted Stocks

Woori Financial, Doosan Enerbility, SamsungElecMech, SK Hynix, Samsung Electronics

About KRX Foreign Holding Weekly

A weekly review of foreign investor holdings in Korean stocks. Each issue estimates the week's foreign inflow or outflow and tabulates the largest changes in foreign holdings by value over one week, four weeks and one year, alongside the stocks foreign institutions hold most.

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