Johnan Academic Preparatory Institute

4720.TServices
Major holders (5%+) · 2
HolderStakeChangeFiled
SHIMOMURA CO LTD30.10%0.00pp2026-03-16
KATSUMI SHIMOMURA6.52%-0.07pp2026-03-16

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

Former and minor holders (below 5%) · 4
ANRI YAMAZAKI4.24%2026-03-16
YURI SHIMOMURA4.24%2026-03-16
Mizuho Trust & Banking Co., Ltd.3.13%2026-03-23
Mizuho Bank, Ltd.1.09%2025-11-10
Ownership history · 32
FiledHolderRatioChangePurpose
2026-03-23AmendedMizuho Trust & Banking Co., Ltd.2026-03-23 · amended3.13%-1.72ppAsset management / investment
2026-03-16ANRI YAMAZAKI2026-03-164.24%no changeStable shareholder; Long-term holding
2026-03-16YURI SHIMOMURA2026-03-164.24%no changeStable shareholder; Long-term holding
2026-03-16KATSUMI SHIMOMURA2026-03-166.52%-0.07ppParticipation in management; Stable shareholder
2026-03-16SHIMOMURA CO LTD2026-03-1630.10%no changeStable shareholder
2026-03-11ANRI YAMAZAKI2026-03-114.24%no changeStable shareholder; Long-term holding
2026-03-11YURI SHIMOMURA2026-03-114.24%no changeStable shareholder; Long-term holding
2026-03-11KATSUMI SHIMOMURA2026-03-116.59%-0.06ppParticipation in management; Stable shareholder
2026-03-11SHIMOMURA CO LTD2026-03-1130.10%no changeStable shareholder
2026-03-06AmendedANRI YAMAZAKI2026-03-06 · amended4.24%no changeStable shareholder; Long-term holding
2026-03-06AmendedYURI SHIMOMURA2026-03-06 · amended4.24%no changeStable shareholder; Long-term holding
2026-03-06AmendedKATSUMI SHIMOMURA2026-03-06 · amended6.65%-1.00ppParticipation in management; Stable shareholder
2026-03-06AmendedSHIMOMURA CO LTD2026-03-06 · amended30.10%no changeStable shareholder
2026-02-05ANRI YAMAZAKI2026-02-054.24%no changeStable shareholder; Long-term holding
2026-02-05YURI SHIMOMURA2026-02-054.24%no changeStable shareholder; Long-term holding
2026-02-05KATSUMI SHIMOMURA2026-02-057.65%-1.01ppParticipation in management; Stable shareholder
2026-02-05SHIMOMURA CO LTD2026-02-0530.10%no changeStable shareholder
2026-01-23AmendedANRI YAMAZAKI2026-01-23 · amended4.24%no changeStable shareholder; Long-term holding
2026-01-23AmendedYURI SHIMOMURA2026-01-23 · amended4.24%no changeStable shareholder; Long-term holding
2026-01-23AmendedKATSUMI SHIMOMURA2026-01-23 · amended8.66%-1.21ppParticipation in management; Stable shareholder

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