Seikagaku
4548.TPharmaceutical
Major holders (5%+) · 2
| Holder | Stake |
|---|---|
| KAISEISYA INC. | 17.39% |
| SHINGYO CO., LTD. | 13.81% |
Each holder's own ratio from its most recent large-shareholding report.
Former and minor holders (below 5%) · 8
| Invesco Asset Management (Japan) Limited | 4.78% |
| - | 1.78% |
| - | 0.94% |
| TOUKOU INC. | 0.88% |
| KEN MIZUTANI | 0.85% |
| - | 0.62% |
| - | 0.05% |
| Invesco Hong Kong Limited | 0.00% |
Ownership history · 33
| Holder | Ratio | Change |
|---|---|---|
| KEN MIZUTANI2025-10-23 | 0.85% | no change |
| TOUKOU INC.2025-10-23 | 0.88% | no change |
| SHINGYO CO., LTD.2025-10-23 | 13.81% | no change |
| KAISEISYA INC.2025-10-23 | 17.39% | +1.01pp |
| KEN MIZUTANI2025-08-19 | 0.85% | no change |
| TOUKOU INC.2025-08-19 | 0.88% | no change |
| SHINGYO CO., LTD.2025-08-19 | 13.81% | no change |
| KAISEISYA INC.2025-08-19 | 16.38% | +0.02pp |
| -2025-08-18 | 0.05% | -0.19pp |
| -2025-08-18 | 0.62% | +0.05pp |
| -2025-08-18 | 0.94% | -1.76pp |
| -2025-08-18 | 1.78% | -0.20pp |
| KEN MIZUTANI2025-08-14 · amended | 0.85% | +0.01pp |
| TOUKOU INC.2025-08-14 · amended | 0.88% | no change |
| SHINGYO CO., LTD.2025-08-14 · amended | 13.81% | no change |
| KAISEISYA INC.2025-08-14 · amended | 16.36% | +3.52pp |
| KEN MIZUTANI2024-11-05 | 0.84% | no change |
| TOUKOU INC.2024-11-05 | 0.88% | no change |
| KAISEISYA INC.2024-11-05 | 12.84% | no change |
| SHINGYO CO., LTD.2024-11-05 | 13.81% | no change |
Each holder in 5% reports, joint holders included. Purpose is classified from the filed text.