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Taiwan Styrene Monomer 1310.TW · TWD

Materials · Taiwan Stock Exchange · 🇹🇼 Taiwan

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8.19

+1.61%

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
Taiwan Steel Ltd.41.4m7.85%—30 Apr 2025
Frank C Chen Foundation28.8m5.45%—30 Apr 2025
The Vanguard Group, Inc.16.1m3.06%—31 Jul 2025
Chun Yu Works & Co Ltd11.7m2.21%—30 Apr 2025
Ai Ben Investment10m1.89%—30 Apr 2025
Chun Yu Investment Co., Ltd.6.6m1.25%—30 Apr 2025
Chun Bang Precision Co., Ltd.6.4m1.22%—30 Apr 2025
Dimensional Fund Advisors, L.P.6m1.14%+193k31 Jul 2025
He Yang Investment Ltd.5.1m0.96%—30 Apr 2025
Yang (Yu Bin)5.1m0.96%+5.1m30 Apr 2025
Dimensional Fund Advisors, Ltd.705.3k0.13%—30 Jun 2025
Vanguard Global Advisers LLC157k0.03%—30 Jun 2025
Lin (Wen Yuan)105k0.02%—30 Apr 2025
American Century Investment Management, Inc.75k0.01%—31 Jul 2025
Vanguard Investments Australia Ltd.47.8k0.01%+56430 Apr 2025

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.