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Seikagaku

4548.TPharmaceutical
Major holders (5%+) · 2
HolderStakeChangeFiled
KAISEISYA INC.17.39%+1.01pp2025-10-23
SHINGYO CO., LTD.13.81%0.00pp2025-10-23

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

Former and minor holders (below 5%) · 8
Invesco Asset Management (Japan) Limited4.78%2024-05-21
-1.78%2025-08-18
-0.94%2025-08-18
TOUKOU INC.0.88%2025-10-23
KEN MIZUTANI0.85%2025-10-23
-0.62%2025-08-18
-0.05%2025-08-18
Invesco Hong Kong Limited0.00%2024-05-21
Ownership history · 33
FiledHolderRatioChangePurpose
2024-09-03KEN MIZUTANI2024-09-030.84%newParticipation in management
2024-09-03TOUKOU INC.2024-09-030.88%newParticipation in management
2024-09-03KAISEISYA INC.2024-09-0312.84%newParticipation in management
2024-09-03SHINGYO CO., LTD.2024-09-0313.81%newParticipation in management
2024-07-29-2024-07-290.24%newSecurities trading business
2024-07-29-2024-07-290.57%newPure investment
2024-07-29-2024-07-291.98%newPure investment
2024-07-29-2024-07-292.70%newStrategic holding (cross-shareholding)
2024-05-21AmendedInvesco Asset Management (Japan) Limited2024-05-21 · amended4.78%-1.02ppHeld for clients (discretionary / trust); Asset management / investment
2024-05-21AmendedInvesco Hong Kong Limited2024-05-21 · amended0.00%-0.18ppHeld for clients (discretionary / trust); Asset management / investment
2024-05-21AmendedInvesco Asset Management (Japan) Limited2024-05-21 · amended5.80%-0.95ppHeld for clients (discretionary / trust); Asset management / investment
2024-05-21AmendedInvesco Hong Kong Limited2024-05-21 · amended0.18%newHeld for clients (discretionary / trust); Asset management / investment
2024-05-21AmendedInvesco Asset Management (Japan) Limited2024-05-21 · amended6.75%newHeld for clients (discretionary / trust); Asset management / investment

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