Quantitative Research

TWSE Foreign Holding Weekly (May 15th): TSMC, Hon Hai Precision, Asustek Computer, Wiwynn

15 May 2026 By Ke Yan, CFA
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Abstract: We analyzed changes in foreign holdings of TWSE stocks as of May 15th, covering names with market cap of at least USD100m. Total foreign holdings stood at USD2,103bn, down from USD2,143bn a week ago, a decline of USD40bn or 1.8% WoW, while the TWSE index fell 1.0% over the same period. We estimate net foreign flows were outflows of USD1,715m for the week. The largest outflow was from TSMC (2330 TT) at -USD2,800m, followed by Asustek Computer (2357 TT) and Wiwynn (6669 TT) each at -USD408m, King Yuan Electronics (2449 TT) at -USD324m, and MediaTek (2454 TT) at -USD315m. On the inflow side, Hon Hai Precision (2317 TT) led with +USD747m, followed by Global Unichip (3443 TT) at +USD386m, Winbond Electronics (2344 TT) at +USD373m, BizLink (3665 TT) at +USD285m, and Fubon Financial (2881 TT) at +USD218m.

Wiwynn (6669 TT) Hon Hai Precision (2317 TT) Asustek Computer (2357 TT) Global Unichip (3443 TT) TSMC (2330 TT)

Highlighted Stocks

Wiwynn, Hon Hai Precision, Asustek Computer, Global Unichip, TSMC

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