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Topco Scientific Co 5434.TW · TWD

Information Technology · Taiwan Stock Exchange · 🇹🇼 Taiwan

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472.00

+3.28%

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
Gaoyi Investment Co., Ltd.7.6m3.86%—31 Dec 2025
Fidelity Management & Research Company LLC7.4m3.79%—31 Dec 2025
Jia Pin Investment Development Co., Ltd.7.2m3.67%—31 Dec 2025
Xie (Jin Yan)6.1m3.11%—31 Dec 2025
The Vanguard Group, Inc.5.6m2.86%+63k31 Jan 2026
Yuanta Securities Investment Trust Co., Ltd.5.3m2.70%−2m31 Dec 2025
Shin Kong Life Insurance Co., Ltd.4.7m2.42%—31 Dec 2025
Taipei Fubon Commercial Bank Co., Ltd.3m1.52%—31 Dec 2025
Chang (Ying Fang-b)3m1.51%—31 Dec 2025
FIL Investment Management (Singapore) Ltd.2.6m1.34%+79.8k31 Dec 2025
Dimensional Fund Advisors, L.P.2.6m1.33%—31 Jan 2026
Norges Bank Investment Management (NBIM)2.5m1.29%−97.7k31 Dec 2025
BlackRock Institutional Trust Company, N.A.2.3m1.17%—31 Jan 2026
Fidelity International2.1m1.08%+72.1k31 Dec 2025
Robeco Institutional Asset Management B.V.1.7m0.88%+644k31 Dec 2025

Sources and methodology

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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.