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Acer Cyber Security 6690.TWO · TWD

Information Technology · Taipei Exchange · 🇹🇼 Taiwan

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186.00

+1.64%

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
Chuan Chi Investment1.3m4.32%+1m30 Apr 2025
Acer Beingware Holding Inc1.2m4.00%+1.2m30 Apr 2025
Zheng (Wei Hong)260k0.87%−102k30 Apr 2025
Wu (Yih Nan-a)243k0.81%—30 Apr 2025
Hung Rouan Investment Corp.179k0.60%+79k30 Apr 2025
BNP Paribas Financial Markets SNC156k0.52%−6k30 Apr 2025
Lu (Jia Xing)145k0.48%−25k30 Apr 2025
Dimensional Fund Advisors, L.P.50.5k0.17%—31 Jul 2025
Chen (Yih Ju-af)39k0.13%—30 Apr 2025
American Century Investment Management, Inc.10.7k0.04%—31 Jul 2025
Dimensional Fund Advisors, Ltd.8.9k0.03%—30 Jun 2025

Sources and methodology

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