Japan Electronic Materials

6855.TTSE STANDARDElectric Appliances
Major holders (5%+) · 1
HolderStakeChangeFiled
Nomura Asset Management Co., Ltd.5.30%-0.16pp2026-04-03

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

Former and minor holders (below 5%) · 22
Kazumasa Okubo4.04%2026-03-12
Sumitomo Mitsui Trust Asset Management Co., Ltd.3.43%2026-06-04
Okubo Kosan Limited Company3.37%2026-03-12
UBS AG3.21%2024-09-24
-2.90%2026-08-18
Schroder Investment Management(Japan)Limited2.72%2025-11-20
Morgan Stanley & Co. International plc2.64%2026-08-19
-2.11%2026-08-18
Amova Asset Management Co., Ltd.1.90%2026-06-04
Hidemasa Okubo1.69%2026-03-12
Morgan Stanley & Co. LLC1.42%2026-08-19
UBS Europe SE1.03%2024-09-24
-0.71%2026-08-18
Nomura Securities Co., Ltd.0.56%2026-04-03
Morgan Stanley MUFG Securities Co., Ltd.0.53%2026-08-19
Reiko Okubo0.26%2026-03-12
Yuto Okubo0.18%2026-03-12
Kana Okubo0.18%2026-03-12
NOMURA INTERNATIONAL PLC0.11%2026-04-03
Chidori Okubo0.09%2026-03-12
-0.03%2025-09-16
-0.01%2024-07-29
Ownership history · 232
FiledHolderRatioChangePurpose
2024-08-22UBS AG2024-08-225.27%+1.45ppSecurities trading business
2024-08-14AmendedChidori Okubo2024-08-14 · amended0.09%no changeStable shareholder; Long-term holding
2024-08-14AmendedReiko Okubo2024-08-14 · amended0.26%no changeStable shareholder; Long-term holding
2024-08-14AmendedHidemasa Okubo2024-08-14 · amended1.69%no changeStable shareholder; Long-term holding
2024-08-14AmendedOkubo Kosan Limited Company2024-08-14 · amended3.69%-1.19ppStable shareholder; Long-term holding
2024-08-14AmendedKazumasa Okubo2024-08-14 · amended4.04%no changeParticipation in management; Stable shareholder
2024-08-09AmendedChidori Okubo2024-08-09 · amended0.09%no changeStable shareholder; Long-term holding
2024-08-09AmendedReiko Okubo2024-08-09 · amended0.26%no changeStable shareholder; Long-term holding
2024-08-09AmendedHidemasa Okubo2024-08-09 · amended1.69%no changeStable shareholder; Long-term holding
2024-08-09AmendedKazumasa Okubo2024-08-09 · amended4.04%no changeParticipation in management; Stable shareholder
2024-08-09AmendedOkubo Kosan Limited Company2024-08-09 · amended4.88%no changeStable shareholder; Long-term holding
2024-07-29-2024-07-290.01%new—
2024-07-29-2024-07-290.60%newPure investment
2024-07-29-2024-07-290.93%newSecurities trading business
2024-07-29-2024-07-292.45%newStrategic holding (cross-shareholding)
2024-07-29-2024-07-292.64%newPure investment; Strategic holding (cross-shareholding)
2024-06-07UBS Europe SE2024-06-070.00%-0.98pp—
2024-06-07UBS AG2024-06-073.82%-0.59ppSecurities trading business
2024-06-05Chidori Okubo2024-06-050.09%no changeStable shareholder; Long-term holding
2024-06-05Reiko Okubo2024-06-050.26%no changeStable shareholder; Long-term holding

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