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Idemitsu Kosan

5019.TOil & Coal Products
Major holders (5%+) · 2
HolderStakeChangeFiled
Nissho Kosan Co., LTD.8.95%0.00pp2026-06-09
Idemitsu Museum of Arts7.32%0.00pp2024-07-02

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%2026-08-06
Showa Kosan Co., Ltd.2.03%2026-06-09
Nikko Asset Management Co., Ltd.1.86%2025-02-06
Sumitomo Mitsui Trust Asset Management Co., Ltd.1.66%2025-02-06
ZEN Co., Ltd.1.46%2026-06-09
ENN Co., Ltd.1.44%2026-06-09
MI Power Co., Ltd.1.03%2026-06-09
Sumitomo Mitsui Trust Bank, Limited0.74%2025-02-06
Masakazu Idemitsu0.67%2024-10-18
Chieko Idemitsu0.39%2026-06-09
NOMURA INTERNATIONAL PLC0.07%2026-08-06
Nomura Securities Co., Ltd.0.04%2026-08-06
Aramco Overseas Company B.V.0.00%2026-10-08
Ownership history · 72
FiledHolderRatioChangePurpose
2025-07-04Nomura Asset Management Co., Ltd.2025-07-044.63%+0.20ppAsset management / investment
2025-06-26ENN Co., Ltd.2025-06-260.62%newStable shareholder
2025-06-26ZEN Co., Ltd.2025-06-260.72%newStable shareholder
2025-06-26MI Power Co., Ltd.2025-06-260.97%+0.07ppStable shareholder
2025-06-26Showa Kosan Co., Ltd.2025-06-261.93%+0.14ppStable shareholder
2025-06-26Nissho Kosan Co., LTD.2025-06-269.90%+0.16ppStable shareholder
2025-06-04Nomura Securities Co., Ltd.2025-06-040.01%-0.20ppSecurities trading business
2025-06-04NOMURA INTERNATIONAL PLC2025-06-040.49%+0.29ppSecurities trading business
2025-06-04Nomura Asset Management Co., Ltd.2025-06-044.43%-0.40ppAsset management / investment
2025-05-08NOMURA INTERNATIONAL PLC2025-05-080.20%+0.17ppSecurities trading business
2025-05-08Nomura Asset Management Co., Ltd.2025-05-084.83%+0.23ppAsset management / investment
2025-04-04NOMURA INTERNATIONAL PLC2025-04-040.03%-0.81ppSecurities trading business
2025-04-04Nomura Securities Co., Ltd.2025-04-040.21%+0.17ppSecurities trading business
2025-04-04Nomura Asset Management Co., Ltd.2025-04-044.60%+0.05ppAsset management / investment
2025-02-06AmendedSumitomo Mitsui Trust Bank, Limited2025-02-06 · amended0.74%newStrategic holding (cross-shareholding)
2025-02-06AmendedSumitomo Mitsui Trust Asset Management Co., Ltd.2025-02-06 · amended1.66%newHeld for clients (discretionary / trust); Asset management / investment
2025-02-06AmendedNikko Asset Management Co., Ltd.2025-02-06 · amended1.86%newHeld for clients (discretionary / trust)
2024-11-21Nomura Securities Co., Ltd.2024-11-210.04%+0.03ppSecurities trading business
2024-11-21NOMURA INTERNATIONAL PLC2024-11-210.84%-0.11ppSecurities trading business
2024-11-21Nomura Asset Management Co., Ltd.2024-11-214.55%-0.04ppAsset management / investment

Each holder in 5% reports, joint holders included. Purpose is classified from the filed text.