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Kurogane Kosakusho

7997.TTSE STANDARDOther Products
Major holders (5%+) · 1
HolderStakeChangeFiled
YK Kabushiki Kaisha7.97%0.00pp2025-08-14

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

Former and minor holders (below 5%) · 3
EISHI KOGYO CO., LTD.3.74%2026-06-30
Naotaka Koutari2.66%2025-08-14
Takeo Yoshida0.00%2024-06-28
Ownership history · 10
FiledHolderRatioChangePurpose
2026-06-30EISHI KOGYO CO., LTD.2026-06-303.74%new—
2025-08-14AmendedNaotaka Koutari2025-08-14 · amended2.66%no changeLong-term holding
2025-08-14AmendedYK Kabushiki Kaisha2025-08-14 · amended7.97%no changeLong-term holding
2025-08-14AmendedNaotaka Koutari2025-08-14 · amended2.66%-0.63ppLong-term holding
2025-08-14AmendedYK Kabushiki Kaisha2025-08-14 · amended7.97%-0.38ppLong-term holding
2025-07-16AmendedNaotaka Koutari2025-07-16 · amended3.29%no changeLong-term holding
2025-07-16AmendedYK Kabushiki Kaisha2025-07-16 · amended8.35%no changeLong-term holding
2025-07-16AmendedNaotaka Koutari2025-07-16 · amended3.29%newLong-term holding
2025-07-16AmendedYK Kabushiki Kaisha2025-07-16 · amended8.35%newLong-term holding
2024-06-28AmendedTakeo Yoshida2024-06-28 · amended0.00%new—

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