Himacs

4299.TInformation & Communication

Major holders (5%+) · 2

Holder	Stake	Change	Filed
KAZUKO MAEDA	7.05%	—	2026-08-18
Maeda Keikaku Kenkyujo Co., Ltd.	6.82%	—	2026-08-18

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

Former and minor holders (below 5%) · 8

Ownership history · 24

Filed	Holder	Ratio	Change	Purpose
2026-08-18Amended	REIKO SHIBATA2026-08-18 · amended	0.52%	new	Stable shareholder
2026-08-18Amended	Maeda Keikaku Kenkyujo Co., Ltd.2026-08-18 · amended	6.82%	new	Stable shareholder
2026-08-18	SHINYA MAEDA2026-08-18	0.00%	new	—
2026-08-18	KAZUKO MAEDA2026-08-18	7.05%	new	Stable shareholder
2025-12-10Amended	UH Partners 2, Inc.2025-12-10 · amended	0.00%	-0.92pp	—
2025-12-10Amended	Hikari Tsushin K.K.2025-12-10 · amended	0.00%	-6.89pp	—
2025-09-26Amended	UH Partners 2, Inc.2025-09-26 · amended	0.92%	new	Pure investment
2025-09-26Amended	Hikari Tsushin K.K.2025-09-26 · amended	6.89%	new	Pure investment
2025-04-21	-2025-04-21	0.02%	-1.87pp	Securities trading business
2025-04-21	-2025-04-21	0.32%	+0.13pp	Pure investment
2025-04-21	-2025-04-21	0.96%	+0.01pp	Pure investment; Strategic holding (cross-shareholding)
2025-04-21	-2025-04-21	3.00%	no change	Strategic holding (cross-shareholding)
2025-03-03	-2025-03-03	0.19%	-0.12pp	Pure investment
2025-03-03	-2025-03-03	0.95%	+0.10pp	Pure investment; Strategic holding (cross-shareholding)
2025-03-03	-2025-03-03	1.89%	+1.87pp	Securities trading business
2025-03-03	-2025-03-03	3.00%	no change	Strategic holding (cross-shareholding)
2024-04-15	-2024-04-15	0.02%	-1.22pp	Securities trading business
2024-04-15	-2024-04-15	0.31%	+0.12pp	Pure investment
2024-04-15	-2024-04-15	0.85%	-0.05pp	Pure investment; Strategic holding (cross-shareholding)
2024-04-15	-2024-04-15	3.00%	no change	Strategic holding (cross-shareholding)

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