Quantitative Research

TWSE Foreign Holding Weekly (Aug 28th): TSMC, E.SUN Financial, Nanya Technology, MediaTek

28 Aug 2026 By Ke Yan, CFA
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Abstract: We analyzed foreign holding changes in TWSE-listed stocks as of August 28th. Total foreign holdings stood at USD2,277.2bn, up USD59bn (2.7% WoW), outpacing the TWSE index gain of 2.4% over the same period. We estimate net foreign inflows of USD3,814m for the week. The top weekly inflow recipients were TSMC (+USD696m), E.SUN Financial (+USD436m), Nanya Technology (+USD423m), Unimicron Technology (+USD367m), and MediaTek (+USD243m). The largest weekly outflows were recorded in BizLink (-USD220m), Nan Ya Printed Circuit Board (-USD176m), Wiwynn (-USD158m), Kaori Heat Treatment (-USD144m), and Wistron (-USD141m).

TSMC (2330 TT) MediaTek (2454 TT) E.SUN Financial (2884 TT) Nanya Technology (2408 TT) Unimicron Technology (3037 TT)

Highlighted Stocks

TSMC, MediaTek, E.SUN Financial, Nanya Technology, Unimicron Technology

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