Quantitative Research

TWSE Foreign Holding Weekly (Jun 5th): TSMC, UMC, Quanta Computer, MediaTek, Winbond Electronics

05 Jun 2026 By Ke Yan, CFA
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Abstract: We analyzed foreign holding changes for TWSE-listed stocks as of June 5th, with total foreign holdings of USD2,283bn across stocks with market cap of at least USD100m. We estimate net foreign outflows of USD3,589m for the week, with aggregate holdings declining USD4bn (0.2% WoW), contrasting with a 0.8% rise in the TWSE index. On the outflow side, TSMC led with USD3,313m in weekly outflows, followed by Quanta Computer (USD1,129m) and Winbond Electronics (USD537m). On the inflow side, UMC attracted the largest weekly inflows at USD1,491m, followed by MediaTek (USD539m) and Wistron (USD403m).

Quanta Computer (2382 TT) Winbond Electronics (2344 TT) TSMC (2330 TT) MediaTek (2454 TT) UMC (2303 TT)

Highlighted Stocks

Quanta Computer, Winbond Electronics, TSMC, MediaTek, UMC

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