Open Up Group

2154.TServices
Filed as BeNext-Yumeshin Group Co. (2022-09–2022-11)
Major holders (5%+) · 4
HolderStakeChangeFiled
Hayao Nakayama9.13%-0.02pp2025-09-04
M&G Investment Management Limited8.90%-1.00pp2026-08-21
M&G Investments (Singapore) Pte. Ltd.8.90%-1.00pp2026-08-21
Amuse Capital Inc.6.80%-0.01pp2025-09-04

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

Former and minor holders (below 5%) · 9
kokoro4.56%2025-08-20
Daio Sato3.22%2024-04-03
Manaka Co., Ltd.3.08%2024-04-03
Yoshiko Sato2.99%2024-04-03
Amuse Capital Investment Inc.2.59%2025-09-04
Sumitomo Mitsui Trust Bank, Limited2.48%2025-09-19
Sumitomo Mitsui Trust Asset Management Co., Ltd.2.05%2025-09-19
Amova Asset Management Co., Ltd.1.20%2025-09-19
Resora Co., Ltd.1.15%2024-04-03
Ownership history · 24
FiledHolderRatioChangePurpose
2026-08-21AmendedM&G Investment Management Limited2026-08-21 · amended8.90%-1.00ppPure investment; Held for clients (discretionary / trust); Asset management / investment
2026-08-21AmendedM&G Investments (Singapore) Pte. Ltd.2026-08-21 · amended8.90%-1.00ppPure investment; Held for clients (discretionary / trust); Asset management / investment
2026-03-06AmendedM&G Investment Management Limited2026-03-06 · amended9.90%+1.31ppPure investment; Held for clients (discretionary / trust); Asset management / investment
2026-03-06AmendedM&G Investments (Singapore) Pte. Ltd.2026-03-06 · amended9.90%+1.31ppPure investment; Held for clients (discretionary / trust); Asset management / investment
2025-09-19AmendedAmova Asset Management Co., Ltd.2025-09-19 · amended1.20%newHeld for clients (discretionary / trust)
2025-09-19AmendedSumitomo Mitsui Trust Asset Management Co., Ltd.2025-09-19 · amended2.05%newHeld for clients (discretionary / trust); Asset management / investment
2025-09-19AmendedSumitomo Mitsui Trust Bank, Limited2025-09-19 · amended2.48%new—
2025-09-04Amuse Capital Investment Inc.2025-09-042.59%newStable shareholder; Long-term holding
2025-09-04Amuse Capital Inc.2025-09-046.80%-0.01ppStable shareholder; Long-term holding
2025-09-04Hayao Nakayama2025-09-049.13%-0.02ppStable shareholder; Long-term holding
2025-08-20kokoro2025-08-204.56%-1.96ppStable shareholder
2024-09-06AmendedM&G Investment Management Limited2024-09-06 · amended8.59%newPure investment; Held for clients (discretionary / trust); Asset management / investment
2024-09-06AmendedM&G Investments (Singapore) Pte. Ltd.2024-09-06 · amended8.59%newPure investment; Held for clients (discretionary / trust); Asset management / investment
2024-04-03Resora Co., Ltd.2024-04-031.15%newStable shareholder
2024-04-03Yoshiko Sato2024-04-032.99%-1.16ppStable shareholder
2024-04-03Manaka Co., Ltd.2024-04-033.08%no changeStable shareholder
2024-04-03Daio Sato2024-04-033.22%no changeStable shareholder
2024-04-03Kokoro Co., Ltd.2024-04-036.52%no changeStable shareholder
2024-02-21AmendedManaka Co., Ltd.2024-02-21 · amended3.08%newStable shareholder
2024-02-21AmendedDaio Sato2024-02-21 · amended3.22%newStable shareholder

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