Mamiya-Op
7991.TMachinery
Filed as MAMIYA-OP CO., LTD. (2022-07–2026-07)
Major holders (5%+) · 2
| Holder | Stake |
|---|---|
| Data Art, Inc. | 37.82% |
| Yusuke Tannojoint holder | 13.51% |
Each holder's own ratio from its most recent large-shareholding report.
Former and minor holders (below 5%) · 2
| SMBC Nikko Securities Inc. | 4.34% |
| Sumitomo Mitsui Banking Corporation | 0.11% |
Ownership history · 27
| Holder | Ratio | Change |
|---|---|---|
| Yusuke Tanno2026-01-27joint | 13.51% | +1.24pp |
| Data Art, Inc.2026-01-27 | 37.82% | no change |
| Yusuke Tanno2025-11-06 · amended | 12.27% | +1.11pp |
| Yusuke Tanno2025-10-30 · amended | 11.16% | +1.63pp |
| Yusuke Tanno2025-10-23 · amended | 9.53% | +1.14pp |
| Yusuke Tanno2025-10-14 · amended | 8.39% | +1.03pp |
| Yusuke Tanno2025-09-04 · amended | 7.36% | no change |
| Yusuke Tanno2025-09-04 · amended | 7.36% | -6.15pp |
| Yusuke Tanno2025-09-01 · amended | 13.51% | +8.13pp |
| Data Art, Inc.2025-09-01 · amendedjoint | 37.82% | new |
| Yusuke Tanno2025-09-01 · amended | 5.38% | -8.00pp |
| Yusuke Tanno2025-09-01 · amended | 13.38% | +8.00pp |
| Yusuke Tanno2025-09-01 · amended | 5.38% | new |
| Sumitomo Mitsui Banking Corporation2024-04-05 | 0.11% | -0.07pp |
| SMBC Nikko Securities Inc.2024-04-05 | 4.34% | -2.02pp |
| Sumitomo Mitsui Banking Corporation2024-03-25 | 0.18% | no change |
| SMBC Nikko Securities Inc.2024-03-25 | 6.36% | -1.55pp |
| Sumitomo Mitsui Banking Corporation2024-03-07 | 0.18% | no change |
| SMBC Nikko Securities Inc.2024-03-07 | 7.91% | -1.35pp |
| Sumitomo Mitsui Banking Corporation2024-02-21 | 0.18% | -0.07pp |
Each holder in 5% reports, joint holders included. Purpose is classified from the filed text.