Quantitative Research

TWSE Foreign Holding Weekly (Sep 24th): MediaTek, Unimicron Technology, ASE Industrial

24 Sep 2026 By Ke Yan, CFA
← All Research Reports

Abstract: We analyzed foreign holdings of TWSE stocks as of Sep 24th, covering names with market cap of at least USD100m. Total foreign holdings stood at USD2,358bn, up USD76bn (3.3% WoW), outpacing the TWSE index gain of 1.8% for the week. We estimate net foreign inflows of USD3,743m for the week. On the inflow side, the top movers were MediaTek (+USD1,439m), Unimicron Technology (+USD614m), Kinsus Interconnect Technology (+USD599m), ASE Industrial (+USD561m), and Nanya Technology (+USD336m). On the outflow side, PharmaEssentia (-USD442m), LARGAN Precision (-USD441m), Wistron (-USD361m), Quanta Computer (-USD250m), and Gold Circuit Electronics (-USD227m) saw the largest foreign selling.

PharmaEssentia (6446 TT) Unimicron Technology (3037 TT) Kinsus Interconnect Technology (3189 TT) MediaTek (2454 TT) ASE Industrial (3711 TT)

Highlighted Stocks

PharmaEssentia, Unimicron Technology, Kinsus Interconnect Technology, MediaTek, ASE Industrial

Interested in the full report? Get in touch with our team.