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Heartseed 219A.T · JPY

Health Care · Tokyo Stock Exchange · 🇯🇵 Japan

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2,851

+5.59%

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
Fukuda (Keiichi)3.2m14.00%—30 Apr 2025
SBI Ventures Two Co., Ltd.2.2m9.78%—15 Jul 2025
SBI Investment Co., Ltd.1.4m6.28%−69.3k15 Jul 2025
Akiyama (Takumi)1.1m4.87%−6k30 Apr 2025
Furukawa (Toshiharu Ph.D.)920k4.02%—8 May 2025
Niimura (Kenzo)755.4k3.30%+161.2k30 Apr 2025
JMDC Inc.461.6k2.02%—30 Apr 2025
Medipal Holdings Corp416k1.82%+416k30 Apr 2025
Gomi (Daisuke)405.6k1.77%+405.6k30 Apr 2025
SBI Securities Co., Ltd.291.1k1.27%+57.8k15 Jul 2025
Simplex Asset Management Co., Ltd.41.7k0.18%+2.3k31 Jul 2025
Global X Japan Co. Ltd.5000.00%—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.