Nihon Seikan

5905.TTSE STANDARDMetal Products
Major holders (5%+) · 1
HolderStakeChangeFiled
mimic Co., Ltd.12.92%+1.26pp2026-10-29

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

Ownership history · 6
FiledHolderRatioChangePurpose
2026-09-08mimic Co., Ltd.2026-09-0811.66%+1.07ppPure investment
2026-07-28mimic Co., Ltd.2026-07-2810.59%+1.04ppPure investment
2026-04-08mimic Co., Ltd.2026-04-089.55%+1.07ppPure investment
2026-01-15mimic Co., Ltd.2026-01-158.48%+1.04ppPure investment
2025-07-29mimic Co., Ltd.2025-07-297.44%+1.40ppPure investment
2024-05-14Amendedmimic Co., Ltd.2024-05-14 · amended6.04%newPure investment

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