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Japan Business Systems

5036.TInformation & Communication
Major holders (5%+) · 2
HolderStakeChangeFiled
Romanee, Inc.40.23%0.00pp2025-09-02
Mitsubishi Research Institute, Inc.15.04%+0.54pp2026-05-20

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

Former and minor holders (below 5%) · 3
Makita Yukihiro2.98%2025-09-02
Makita Kyouko0.14%2025-09-02
Mitsubishi Research Institute DCS Co., Ltd.0.00%2026-05-20
Ownership history · 12
FiledHolderRatioChangePurpose
2026-05-20AmendedMitsubishi Research Institute DCS Co., Ltd.2026-05-20 · amended0.00%-0.55pp—
2026-05-20AmendedMitsubishi Research Institute, Inc.2026-05-20 · amended15.04%+0.54ppBusiness / capital relationship
2025-09-02AmendedMakita Kyouko2025-09-02 · amended0.14%no changeStable shareholder
2025-09-02AmendedMakita Yukihiro2025-09-02 · amended2.98%no changeStable shareholder
2025-09-02AmendedRomanee, Inc.2025-09-02 · amended40.23%no changeStable shareholder
2025-08-29AmendedMitsubishi Research Institute DCS Co., Ltd.2025-08-29 · amended0.55%-3.51ppBusiness / capital relationship
2025-08-29AmendedMitsubishi Research Institute, Inc.2025-08-29 · amended14.50%no changeBusiness / capital relationship
2025-06-03AmendedMitsubishi Research Institute DCS Co., Ltd.2025-06-03 · amended4.06%newBusiness / capital relationship
2025-06-03AmendedMitsubishi Research Institute, Inc.2025-06-03 · amended14.50%newBusiness / capital relationship
2024-04-03AmendedMakita Kyouko2024-04-03 · amended0.14%newStable shareholder
2024-04-03AmendedMakita Yukihiro2024-04-03 · amended2.98%newStable shareholder
2024-04-03AmendedRomanee, Inc.2024-04-03 · amended40.23%newStable shareholder

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