Seikoh Giken
6834.TTSE STANDARDElectric Appliances
Filed as SEIKOH GIKEN Co., Ltd. (2022-06–2026-06)
Major holders (5%+) · 3
| Holder | Stake |
|---|---|
| Koshi | 7.01% |
| Koken | 6.25% |
| Nomura Asset Management Co., Ltd. | 5.86% |
Each holder's own ratio from its most recent large-shareholding report.
Former and minor holders (below 5%) · 6
| Yumiko Tomaru | 3.54% |
| Yukiko Hosoe | 3.03% |
| Saki Tomaru | 2.30% |
| Nobuaki Hosoe | 0.86% |
| Nomura Securities Co., Ltd. | 0.76% |
| NOMURA INTERNATIONAL PLC | 0.03% |
Ownership history · 42
| Holder | Ratio | Change |
|---|---|---|
| Yukiko Hosoe2026-09-01 | 3.03% | -1.60pp |
| Koken2026-09-01 | 6.25% | no change |
| Yumiko Tomaru2025-10-09 · amended | 3.54% | no change |
| Koshi2025-10-09 · amended | 7.01% | no change |
| Yumiko Tomaru2025-09-09 · amended | 3.54% | no change |
| Koshi2025-09-09 · amended | 7.01% | no change |
| Yumiko Tomaru2025-09-09 · amended | 3.54% | -1.07pp |
| Koshi2025-09-09 · amended | 7.01% | no change |
| Yukiko Hosoe2025-02-07 · amended | 4.63% | -2.67pp |
| Koken2025-02-07 · amended | 6.25% | -0.76pp |
| Koken2025-02-07 | 7.01% | +0.64pp |
| Yukiko Hosoe2025-02-07 | 7.30% | -2.99pp |
| Koken2025-02-07 | 6.37% | -0.30pp |
| Yukiko Hosoe2025-02-07 | 10.29% | +0.83pp |
| Nobuaki Hosoe2025-02-07 | 0.86% | no change |
| Koken2025-02-07 | 6.67% | no change |
| Yukiko Hosoe2025-02-07 | 9.46% | -3.50pp |
| Koken2025-02-07 | 6.67% | no change |
| Yukiko Hosoe2025-02-07 | 12.96% | +3.50pp |
| Nobuaki Hosoe2025-02-07 | 0.86% | new |
Each holder in 5% reports, joint holders included. Purpose is classified from the filed text.