bBreak Systems
3986.TTSE STANDARDInformation & Communication
Major holders (5%+) · 3
| Holder | Stake |
|---|---|
| Jiro Shiraiwa | 31.96% |
| Hikari Tsushin K.K. | 12.41% |
| Nobuhiko Kamikawa | 6.92% |
Each holder's own ratio from its most recent large-shareholding report.
Former and minor holders (below 5%) · 4
| Akira Takahashi | 4.49% |
| EPARK , INC. | 2.38% |
| UH Partners 2, Inc. | 1.83% |
| UH5 Inc. | 0.74% |
Ownership history · 25
| Holder | Ratio | Change |
|---|---|---|
| Akira Takahashi2026-09-14 | 4.49% | -1.01pp |
| Akira Takahashi2026-08-21 | 5.50% | new |
| Jiro Shiraiwa2025-12-01 | 31.96% | -3.69pp |
| Nobuhiko Kamikawa2025-12-01 | 6.92% | new |
| UH5 Inc.2025-09-04 · amended | 0.74% | no change |
| UH Partners 2, Inc.2025-09-04 · amended | 1.83% | no change |
| EPARK , INC.2025-09-04 · amended | 2.38% | +1.02pp |
| Hikari Tsushin K.K.2025-09-04 · amended | 7.46% | no change |
| UH5 Inc.2025-09-04 · amended | 0.74% | no change |
| EPARK , INC.2025-09-04 · amended | 1.36% | +0.99pp |
| UH Partners 2, Inc.2025-09-04 · amended | 1.83% | +0.13pp |
| Hikari Tsushin K.K.2025-09-04 · amended | 7.46% | no change |
| EPARK , INC.2025-09-04 · amended | 0.37% | new |
| UH5 Inc.2025-09-04 · amended | 0.74% | no change |
| UH Partners 2, Inc.2025-09-04 · amended | 1.70% | +0.73pp |
| Hikari Tsushin K.K.2025-09-04 · amended | 7.46% | no change |
| UH5 Inc.2025-09-04 · amended | 0.74% | no change |
| UH Partners 2, Inc.2025-09-04 · amended | 0.97% | new |
| Hikari Tsushin K.K.2025-09-04 · amended | 7.46% | +0.07pp |
| UH5 Inc.2025-09-04 · amended | 0.74% | +0.16pp |
Each holder in 5% reports, joint holders included. Purpose is classified from the filed text.