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SDI 2351.TW · TWD

Information Technology · Taiwan Stock Exchange · 🇹🇼 Taiwan

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137.00

+2.62%

Close of 9 Nov 2026, in TWD

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Reference data, closing prices and charts across 45,000 companies, plus crypto, commodities and currencies.

Largest shareholders

As filed, so dates differ, and a group and its funds can both appear.

HolderSharesStakeChangeFiled
Chen (Wei Chao-a)7.9m4.33%—31 Oct 2025
Cathay Life Insurance Co., Ltd.7.7m4.22%—31 Oct 2025
Chen (Wei To)6.2m3.40%—31 Oct 2025
Chen (Chao Hsiung)6m3.28%—31 Oct 2025
Chen (Wei Yung)5.9m3.25%—31 Oct 2025
FuDong ShanShui Co., Ltd.4.5m2.47%—31 Oct 2025
The Vanguard Group, Inc.4.5m2.46%—31 Jan 2026
Chen (Wu Li Hua)4.2m2.33%—31 Oct 2025
Weijia Investment Co., Ltd.4.1m2.27%—31 Oct 2025
Huang Jia Investment Company Ltd.4m2.20%—31 Oct 2025
Chen (Chao Ming)3m1.66%—31 Oct 2025
Dimensional Fund Advisors, L.P.2.3m1.28%−21k31 Jan 2026
Dimensional Fund Advisors, Ltd.237k0.13%—31 Jan 2026
State Street Investment Management (US)175.6k0.10%—31 Jan 2026
DFA Australia Ltd.45.4k0.02%—31 Jan 2026

Sources and methodology

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Chart on the Overview
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Nothing here is investment advice. Prices can be delayed or wrong, so check with the exchange before relying on them. Data for this page. How we cover markets.