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Genius Electronic Optical Co 3406.TW · TWD

Information Technology · Taiwan Stock Exchange · 🇹🇼 Taiwan

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841.00

+1.94%

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
Yuanta Securities Investment Trust Co., Ltd.7m6.15%+2.9m31 Dec 2025
The Vanguard Group, Inc.2.7m2.38%+18.3k31 Jan 2026
Dimensional Fund Advisors, L.P.1.6m1.42%+4k31 Jan 2026
BlackRock Institutional Trust Company, N.A.1m0.90%+47k31 Jan 2026
Norges Bank Investment Management (NBIM)880.7k0.78%−493.9k31 Dec 2025
Fubon Asset Management Company Ltd.865k0.77%−50k31 Dec 2025
Robeco Institutional Asset Management B.V.665k0.59%−3k31 Jan 2026
BlackRock Investment Management, LLC489.4k0.43%−3k31 Dec 2025
Tidal Investments LLC469.6k0.42%+5.7k31 Jan 2026
CTBC Investments Co. Ltd.375k0.33%−3k31 Dec 2025
BlackRock Advisors (UK) Limited271.8k0.24%+41k31 Jan 2026
Dimensional Fund Advisors, Ltd.206.2k0.18%—31 Jan 2026
State Street Investment Management (US)176.7k0.16%—31 Jan 2026
Lazard Asset Management, L.L.C.174k0.15%—31 Jan 2026
LSV Asset Management174k0.15%+115k31 Dec 2025

Sources and methodology

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