Idemitsu Kosan
5019.TOil & Coal Products
Major holders (5%+) · 2
| Holder | Stake |
|---|---|
| Nissho Kosan Co., LTD. | 8.95% |
| Idemitsu Museum of Arts | 7.32% |
Each holder's own ratio from its most recent large-shareholding report.
Former and minor holders (below 5%) · 13
| Nomura Asset Management Co., Ltd. | 4.47% |
| Showa Kosan Co., Ltd. | 2.03% |
| Nikko Asset Management Co., Ltd. | 1.86% |
| Sumitomo Mitsui Trust Asset Management Co., Ltd. | 1.66% |
| ZEN Co., Ltd. | 1.46% |
| ENN Co., Ltd. | 1.44% |
| MI Power Co., Ltd. | 1.03% |
| Sumitomo Mitsui Trust Bank, Limited | 0.74% |
| Masakazu Idemitsu | 0.67% |
| Chieko Idemitsu | 0.39% |
| NOMURA INTERNATIONAL PLC | 0.07% |
| Nomura Securities Co., Ltd. | 0.04% |
| Aramco Overseas Company B.V. | 0.00% |
Ownership history · 72
| Holder | Ratio | Change |
|---|---|---|
| Nissho Kosan Co., LTD.2025-12-22 · amended | 8.50% | -1.40pp |
| ENN Co., Ltd.2025-12-22 · amended | 0.62% | no change |
| ZEN Co., Ltd.2025-12-22 · amended | 0.72% | no change |
| MI Power Co., Ltd.2025-12-22 · amended | 0.97% | no change |
| Showa Kosan Co., Ltd.2025-12-22 · amended | 1.93% | no change |
| Nissho Kosan Co., LTD.2025-12-22 · amended | 9.90% | no change |
| ENN Co., Ltd.2025-11-21 · amended | 0.62% | no change |
| ZEN Co., Ltd.2025-11-21 · amended | 0.72% | no change |
| MI Power Co., Ltd.2025-11-21 · amended | 0.97% | no change |
| Showa Kosan Co., Ltd.2025-11-21 · amended | 1.93% | no change |
| Nissho Kosan Co., LTD.2025-11-21 · amended | 9.90% | no change |
| ENN Co., Ltd.2025-11-21 · amended | 0.62% | no change |
| ZEN Co., Ltd.2025-11-21 · amended | 0.72% | no change |
| MI Power Co., Ltd.2025-11-21 · amended | 0.97% | no change |
| Showa Kosan Co., Ltd.2025-11-21 · amended | 1.93% | no change |
| Nissho Kosan Co., LTD.2025-11-21 · amended | 9.90% | no change |
| NOMURA INTERNATIONAL PLC2025-10-07 | -0.03% | -1.25pp |
| Nomura Securities Co., Ltd.2025-10-07 | 0.90% | +0.89pp |
| Nomura Asset Management Co., Ltd.2025-10-07 | 4.60% | -0.03pp |
| NOMURA INTERNATIONAL PLC2025-07-04 | 1.22% | +0.73pp |
Each holder in 5% reports, joint holders included. Purpose is classified from the filed text.