Quantitative Research

TWSE Foreign Holding Weekly (Jun 26th): TSMC, Winbond Electronics, Hon Hai Precision, ASE Industrial

26 Jun 2026 By Ke Yan, CFA
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Abstract: We analyzed TWSE foreign holding data as of Jun 26th, covering stocks with a market cap of at least USD100m. Total foreign holdings stood at USD2,205bn, down from USD2,322bn a week prior. We estimate net foreign outflows of USD8,550m for the week, with aggregate holdings declining USD118bn (5.1% WoW), outpacing the TWSE index decline of 4.1%. The largest weekly outflows were in TSMC (-USD3,586m), Winbond Electronics (-USD1,495m), Hon Hai Precision (-USD774m), Nanya Technology (-USD631m), and Delta Electronics (-USD573m). On the inflow side, ASE Industrial led with +USD729m, followed by King Yuan Electronics (+USD644m), Nan Ya Printed Circuit Board (+USD601m), Elite Material (+USD247m), and ITEQ (+USD244m).

Hon Hai Precision (2317 TT) Winbond Electronics (2344 TT) King Yuan Electronics (2449 TT) ASE Industrial (3711 TT) TSMC (2330 TT)

Highlighted Stocks

Hon Hai Precision, Winbond Electronics, King Yuan Electronics, ASE Industrial, TSMC

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