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Aimechatec

6227.TElectric Appliances
Major holders (5%+) · 3
HolderStakeChangeFiled
OPTORUN CO., LTD.17.53%—2025-02-21
AKIRA KATAYAMA6.53%—2026-02-02
Arrowstreet Capital, Limited Partnership5.04%-1.08pp2026-03-23

Each holder's own ratio from its most recent large-shareholding report.

Former and minor holders (below 5%) · 7
Sumitomo Mitsui DS Asset Management Company, Limited4.96%2026-01-08
NOMURA INTERNATIONAL PLC4.07%2024-08-20
Asset Management One Co., Ltd.3.25%2024-03-07
Mizuho Securities Co., Ltd.1.38%2024-03-07
Nomura Securities Co., Ltd.0.49%2024-08-20
SMBC Nikko Securities Inc.0.01%2025-12-05
JUKI CORPORATION0.00%2025-02-20
Ownership history · 56
FiledHolderRatioChangePurpose
2026-03-23AmendedArrowstreet Capital, Limited Partnership2026-03-23 · amended5.04%-1.08ppPure investment; Held for clients (discretionary / trust)
2026-03-23AmendedArrowstreet Capital, Limited Partnership2026-03-23 · amended6.12%newPure investment; Held for clients (discretionary / trust)
2026-02-02AKIRA KATAYAMA2026-02-026.53%newPure investment
2026-01-08Sumitomo Mitsui DS Asset Management Company, Limited2026-01-084.96%-1.52ppPure investment
2025-12-05SMBC Nikko Securities Inc.2025-12-050.01%-0.20ppSecurities trading business
2025-12-05Sumitomo Mitsui DS Asset Management Company, Limited2025-12-056.48%+1.05ppPure investment
2025-10-22SMBC Nikko Securities Inc.2025-10-220.21%newSecurities trading business
2025-10-22Sumitomo Mitsui DS Asset Management Company, Limited2025-10-225.43%newPure investment
2025-02-21OPTORUN CO., LTD.2025-02-2117.53%newBusiness / capital relationship
2025-02-20JUKI CORPORATION2025-02-200.00%newBusiness / capital relationship
2024-08-20AmendedNomura Securities Co., Ltd.2024-08-20 · amended0.49%+0.48ppSecurities trading business
2024-08-20AmendedNOMURA INTERNATIONAL PLC2024-08-20 · amended4.07%-0.98ppSecurities trading business
2024-08-20AmendedNomura Securities Co., Ltd.2024-08-20 · amended0.01%+0.01ppSecurities trading business
2024-08-20AmendedNOMURA INTERNATIONAL PLC2024-08-20 · amended5.05%+0.69ppSecurities trading business
2024-08-07AmendedNomura Securities Co., Ltd.2024-08-07 · amended0.00%-0.11ppSecurities trading business
2024-08-07AmendedNOMURA INTERNATIONAL PLC2024-08-07 · amended4.36%-0.84ppSecurities trading business
2024-07-05AmendedNomura Securities Co., Ltd.2024-07-05 · amended0.11%-0.50ppSecurities trading business
2024-07-05AmendedNOMURA INTERNATIONAL PLC2024-07-05 · amended5.20%-1.29ppSecurities trading business
2024-06-19AmendedNomura Securities Co., Ltd.2024-06-19 · amended0.61%+0.12ppSecurities trading business
2024-06-19AmendedNOMURA INTERNATIONAL PLC2024-06-19 · amended6.49%-1.64ppSecurities trading business

Each holder in 5% reports, joint holders included. Purpose is classified from the filed text.