The Japan Steel Works

5631.TMachinery
Major holders (5%+) · 2
HolderStakeChangeFiled
Nomura Asset Management Co., Ltd.15.25%+0.18pp2026-06-09
Amova Asset Management Co., Ltd.9.12%-0.99pp2025-10-02

Each holder's own ratio from its most recent large-shareholding report.

Former and minor holders (below 5%) · 11
Asset Management One Co., Ltd.4.31%2024-10-22
FMR LLC3.91%2025-08-22
J O Hambro Capital Management Limited3.86%2025-07-24
JOHCM (Singapore) Pte. Limited3.86%2025-05-13
Sumitomo Mitsui Trust Asset Management Co., Ltd.2.87%2025-01-08
NOMURA INTERNATIONAL PLC0.79%2026-06-09
Sumitomo Mitsui Trust Bank, Limited0.66%2025-01-08
Mizuho Securities Co., Ltd.0.40%2024-10-22
Asset Management One International Ltd.0.31%2024-10-22
National Financial Services LLC0.00%2025-08-22
Nomura Securities Co., Ltd.-0.83%2026-06-09
Ownership history · 50
FiledHolderRatioChangePurpose
2025-01-08AmendedSumitomo Mitsui Trust Bank, Limited2025-01-08 · amended0.66%-0.44ppStrategic holding (cross-shareholding)
2025-01-08AmendedSumitomo Mitsui Trust Asset Management Co., Ltd.2025-01-08 · amended1.85%-0.21ppHeld for clients (discretionary / trust); Asset management / investment
2025-01-08AmendedAmova Asset Management Co., Ltd.2025-01-08 · amended4.53%-0.41ppHeld for clients (discretionary / trust)
2025-01-08AmendedSumitomo Mitsui Trust Bank, Limited2025-01-08 · amended1.10%no changeStrategic holding (cross-shareholding)
2025-01-08AmendedSumitomo Mitsui Trust Asset Management Co., Ltd.2025-01-08 · amended2.06%-0.11ppHeld for clients (discretionary / trust); Asset management / investment
2025-01-08AmendedAmova Asset Management Co., Ltd.2025-01-08 · amended4.94%-0.92ppHeld for clients (discretionary / trust)
2025-01-08AmendedSumitomo Mitsui Trust Bank, Limited2025-01-08 · amended1.10%no changeStrategic holding (cross-shareholding)
2025-01-08AmendedSumitomo Mitsui Trust Asset Management Co., Ltd.2025-01-08 · amended2.17%+0.04ppHeld for clients (discretionary / trust); Asset management / investment
2025-01-08AmendedAmova Asset Management Co., Ltd.2025-01-08 · amended5.86%-1.03ppHeld for clients (discretionary / trust)
2025-01-08AmendedSumitomo Mitsui Trust Bank, Limited2025-01-08 · amended1.10%newStrategic holding (cross-shareholding)
2025-01-08AmendedSumitomo Mitsui Trust Asset Management Co., Ltd.2025-01-08 · amended2.13%newHeld for clients (discretionary / trust); Asset management / investment
2025-01-08AmendedAmova Asset Management Co., Ltd.2025-01-08 · amended6.89%newHeld for clients (discretionary / trust)
2024-10-31AmendedNOMURA INTERNATIONAL PLC2024-10-31 · amended0.09%-0.45ppSecurities trading business
2024-10-31AmendedNomura Securities Co., Ltd.2024-10-31 · amended0.40%-0.07ppSecurities trading business
2024-10-31AmendedNomura Asset Management Co., Ltd.2024-10-31 · amended10.75%-0.48ppAsset management / investment
2024-10-22Asset Management One International Ltd.2024-10-220.31%newHeld for clients (discretionary / trust)
2024-10-22Mizuho Securities Co., Ltd.2024-10-220.40%newSecurities trading business
2024-10-22Asset Management One Co., Ltd.2024-10-224.31%newHeld for clients (discretionary / trust)
2024-05-08AmendedNomura Securities Co., Ltd.2024-05-08 · amended0.47%-0.44ppSecurities trading business
2024-05-08AmendedNOMURA INTERNATIONAL PLC2024-05-08 · amended0.54%+0.37ppSecurities trading business

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