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A

Atect 4241.T · JPY

Health Care · Tokyo Stock Exchange · 🇯🇵 Japan

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530

+9.96%

Close of 9 Nov 2026, in JPY

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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
Sanko Co - Gifu1.5m33.10%—31 Mar 2025
Sato (Hiroyuki)153.6k3.46%—31 Mar 2025
Togasaki (Naomi)92.2k2.08%—31 Mar 2025
Kotaka (Norio)81.3k1.83%—31 Mar 2025
JPMorgan Securities Japan Co., Ltd.72.1k1.62%−1.3k31 Mar 2025
Hayakawa (Mitsuru)63.3k1.43%−6k31 Mar 2025
Okazaki (Koya)52.1k1.17%−44.7k31 Mar 2025
Harada (Masataka)46.3k1.04%—31 Mar 2025
Furutachi (Michiko)38.7k0.87%—31 Mar 2025
SBI Securities Co., Ltd.32.9k0.74%−7.4k31 Mar 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.