CyberStep Holdings

3810.TTSE STANDARDInformation & Communication
Filed as CyberStep, Inc. (2022-08–2025-08), CyberStep,Inc. (2022-10–2025-01)
Major holders (5%+) · 6
HolderStakeChangeFiled
Adachi Aya29.57%+1.64pp2026-06-05
Chamber Management Co., Ltd.22.86%-1.48pp2025-08-14
CD one LLP15.65%+4.57pp2025-01-24
Tsunagaru LLC12.66%-6.00pp2026-01-06
Tiger Japan Investment Co., Ltd.10.74%-5.13pp2026-06-05
Nagoshi Yoshitsugu9.84%—2026-01-05

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

Former and minor holders (below 5%) · 4
ibis capital partners, Inc.3.69%2024-11-15
Takahiro Yamashita3.23%2026-03-17
SATO Rui1.42%2025-12-05
RoadRunner, Inc.0.80%2025-12-05
Ownership history · 73
FiledHolderRatioChangePurpose
2024-05-28SATO Rui2024-05-287.15%-0.03ppStable shareholder
2024-05-16RoadRunner, Inc.2024-05-164.02%-0.01ppStable shareholder; Long-term holding
2024-05-16SATO Rui2024-05-167.18%-0.02ppStable shareholder
2024-05-08RoadRunner, Inc.2024-05-084.03%-0.06ppStable shareholder; Long-term holding
2024-05-08SATO Rui2024-05-087.20%-0.11ppStable shareholder
2024-05-08Amendedibis capital partners, Inc.2024-05-08 · amended17.09%-1.19ppPure investment
2024-04-19RoadRunner, Inc.2024-04-194.09%no changeStable shareholder; Long-term holding
2024-04-19SATO Rui2024-04-197.31%-0.01ppStable shareholder
2024-04-17RoadRunner, Inc.2024-04-174.09%-0.34ppStable shareholder; Long-term holding
2024-04-17SATO Rui2024-04-177.32%-0.59ppStable shareholder
2024-04-12Amendedibis capital partners, Inc.2024-04-12 · amended18.28%newPure investment
2024-02-27RoadRunner, Inc.2024-02-274.43%newStable shareholder; Long-term holding
2024-02-27SATO Rui2024-02-277.91%newStable shareholder

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