R.C.Core

7837.TOther Products
Major holders (5%+) · 4
HolderStakeChangeFiled
KOZO FUTAGI18.00%—2024-08-28
ASAHI KASEI HOMES CORPORATION14.00%—2025-10-20
Mizuho Trust & Banking Co., Ltd.6.57%—2024-03-07
Tani Akiko5.15%+0.04pp2025-11-10

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

Former and minor holders (below 5%) · 3
Futagi Wataru2.03%2025-10-20
Futagi Atsushi2.01%2025-10-20
Yasuda Shusei0.00%2025-10-20
Ownership history · 11
FiledHolderRatioChangePurpose
2025-11-10AmendedTani Akiko2025-11-10 · amended5.15%+0.04ppParticipation in management; Stable shareholder
2025-10-20Yasuda Shusei2025-10-200.00%-6.02ppParticipation in management; Stable shareholder
2025-10-20Futagi Atsushi2025-10-202.01%-4.00ppParticipation in management; Stable shareholder
2025-10-20Futagi Wataru2025-10-202.03%-3.98ppParticipation in management; Stable shareholder
2025-10-20ASAHI KASEI HOMES CORPORATION2025-10-2014.00%newStrategic holding (cross-shareholding)
2025-07-11Syusei Yasuda2025-07-116.02%newParticipation in management; Stable shareholder
2025-07-11Atsushi Futagi2025-07-116.01%newParticipation in management; Stable shareholder
2025-07-11Wataru Futagi2025-07-116.01%newParticipation in management; Stable shareholder
2025-05-23Akiko Tani2025-05-235.11%newParticipation in management; Stable shareholder
2024-08-28KOZO FUTAGI2024-08-2818.00%newParticipation in management; Stable shareholder
2024-03-07AmendedMizuho Trust & Banking Co., Ltd.2024-03-07 · amended6.57%newAsset management / investment

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