Abstract: We analyzed changes in foreign holdings of TWSE stocks as of October 8th, 2026. Aggregated foreign holdings reached USD2,409.2bn, and we estimate weekly foreign flows at an inflow of USD6,235mn. Foreign holdings rose 1.8% WoW, slightly outpacing the TWSE index, which gained 1.7% over the same week. The largest inflow was into Wiwynn, up USD7,057mn, followed by Unimicron Technology, up USD641mn, and Zhen Ding Technology, up USD482mn. The largest outflows were from MediaTek, down USD1,470mn, and TSMC, down USD959mn.
TSMC, Wiwynn, MediaTek, Zhen Ding Technology, Unimicron Technology
A weekly review of foreign investor holdings in Taiwan-listed 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. All issues of TWSE Foreign Holding Weekly →
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