Seibu Giken

6223.TMachinery

Filed as Seibu Giken Co., Ltd. (2023-11–2026-08)

Major holders (5%+) · 1

Holder	Stake	Change	Filed
Green Future Co., Ltd.	49.80%	+14.63pp	2026-10-30

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

Former and minor holders (below 5%) · 1

FUMIO KUMA 1.83% 2024-12-05

Ownership history · 2

Filed	Holder	Ratio	Change	Purpose
2024-12-05Amended	FUMIO KUMA2024-12-05 · amended	1.83%	new	Stable shareholder; Long-term holding
2024-12-05Amended	Green Future Co., Ltd.2024-12-05 · amended	33.34%	new	Stable shareholder; Long-term holding

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