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Roundtop Machinery Industries Co 1540.TW · TWD

Industrials · Taiwan Stock Exchange · 🇹🇼 Taiwan

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17.90

+4.07%

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
Lin (Sheng Ming-a)9.4m10.96%—31 May 2025
Tsai (Hsiu Chin)5.2m6.09%—31 May 2025
Chan (Cheng Kan)1.4m1.63%—31 May 2025
Chen (Pei Jan-a)1.2m1.37%—31 May 2025
Chiang (Wen Ching-a)600k0.70%—31 May 2025
Dimensional Fund Advisors, Ltd.61k0.07%+22k30 Jun 2025
Dimensional Fund Advisors, L.P.49k0.06%—30 Jun 2025
American Century Investment Management, Inc.5k0.01%—31 Jul 2025

Sources and methodology

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