Segue Group Co

3968.TInformation & Communication
Filed as Segue Group Co., Ltd. (2022-08–2026-08)
Major holders (5%+) · 2
HolderStakeChangeFiled
Yasuyuki Aisu25.97%-5.59pp2026-02-17
ADC Ltd.7.57%-1.07pp2026-02-17

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

Former and minor holders (below 5%) · 3
Mizuho Trust & Banking Co., Ltd.1.23%2026-03-23
SBI SECURITIES Co., Ltd.0.57%2024-04-04
Mizuho Securities Co., Ltd.0.00%2026-02-20
Ownership history · 17
FiledHolderRatioChangePurpose
2026-02-20AmendedMizuho Securities Co., Ltd.2026-02-20 · amended0.00%new—
2026-02-20AmendedMizuho Trust & Banking Co., Ltd.2026-02-20 · amended1.23%newAsset management / investment
2026-02-17AmendedADC Ltd.2026-02-17 · amended7.57%-1.07ppStable shareholder
2026-02-17AmendedYasuyuki Aisu2026-02-17 · amended25.97%-5.59ppParticipation in management; Stable shareholder; Long-term holding
2026-02-09AmendedADC Ltd.2026-02-09 · amended8.64%no changeStable shareholder
2026-02-09AmendedYasuyuki Aisu2026-02-09 · amended31.56%no changeParticipation in management; Stable shareholder; Long-term holding
2025-09-11AmendedADC Ltd.2025-09-11 · amended8.64%no changeStable shareholder
2025-09-11AmendedYasuyuki Aisu2025-09-11 · amended31.56%-0.06ppParticipation in management; Stable shareholder; Long-term holding
2025-08-04ADC Ltd.2025-08-048.64%no changeStable shareholder
2025-08-04Yasuyuki Aisu2025-08-0431.62%no changeParticipation in management; Stable shareholder; Long-term holding
2025-03-03AmendedADC Ltd.2025-03-03 · amended8.64%+0.38ppStable shareholder
2025-03-03AmendedYasuyuki Aisu2025-03-03 · amended31.62%+1.39ppParticipation in management; Stable shareholder; Long-term holding
2024-11-01ADC Ltd.2024-11-018.26%no changeStable shareholder
2024-11-01Yasuyuki Aisu2024-11-0130.23%no changeParticipation in management; Stable shareholder; Long-term holding
2024-10-04AmendedADC Ltd.2024-10-04 · amended8.26%newStable shareholder
2024-10-04AmendedYasuyuki Aisu2024-10-04 · amended30.23%newParticipation in management; Stable shareholder; Long-term holding
2024-04-04SBI SECURITIES Co., Ltd.2024-04-040.57%newSecurities trading business

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