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
2024-10-18AmendedMasakazu Idemitsu2024-10-18 · amended0.67%newStable shareholder
2024-10-18AmendedMI Power Co., Ltd.2024-10-18 · amended0.90%newStable shareholder
2024-10-18AmendedShowa Kosan Co., Ltd.2024-10-18 · amended1.79%newStable shareholder
2024-10-18AmendedNissho Kosan Co., LTD.2024-10-18 · amended9.74%newStable shareholder
2024-07-18Nomura Securities Co., Ltd.2024-07-180.01%newSecurities trading business
2024-07-18NOMURA INTERNATIONAL PLC2024-07-180.95%+0.69ppSecurities trading business
2024-07-18Nomura Asset Management Co., Ltd.2024-07-184.59%-0.40ppAsset management / investment
2024-07-02AmendedIdemitsu Museum of Arts2024-07-02 · amended7.32%no change—
2024-07-02AmendedIdemitsu Museum of Arts2024-07-02 · amended7.32%new—
2024-04-04NOMURA INTERNATIONAL PLC2024-04-040.26%newSecurities trading business
2024-04-04Nomura Asset Management Co., Ltd.2024-04-044.99%newAsset management / investment
2024-02-14AmendedAramco Overseas Company B.V.2024-02-14 · amended7.76%newParticipation in management

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