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Advanced Optoelectronic Technology 3437.TW · TWD

Information Technology · Taiwan Stock Exchange · 🇹🇼 Taiwan

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16.85

+7.32%

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
Hua Zhun Investment Company Limited7.7m5.31%—31 May 2025
Qunyi Investment Co., Ltd.7m4.82%—31 May 2025
QiYu Investment Industrial Co., Ltd.3.4m2.32%—31 May 2025
Chuang (Hung Jen)3.2m2.22%—31 May 2025
LGT Bank Ltd.2.5m1.71%—31 May 2025
Dimensional Fund Advisors, L.P.1.8m1.24%+13k31 Jul 2025
HaiShiWei Co., Ltd.1.3m0.90%+100k31 May 2025
ChenAn Investment Advisory Co., Ltd.1.2m0.84%+209k31 May 2025
Fang (Jung Hsi)1m0.70%—31 May 2025
Fuu-Yao Co., Ltd.1m0.69%—31 May 2025
Japan Securities Finance Co Ltd723k0.50%+723k31 May 2025
Dimensional Fund Advisors, Ltd.211k0.15%—30 Jun 2025
State Street Global Advisors (US)128k0.09%—31 Jul 2025
American Century Investment Management, Inc.23k0.02%—31 Jul 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.