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Seiwa Chuo Holdings

7531.TWholesale Trade
Major holders (5%+) · 4
HolderStakeChangeFiled
Y.M.P.CO., LTD.18.04%+1.25pp2026-03-12
SK Kosan Co., Ltd.14.60%0.00pp2026-06-03
Masaaki Sakagami12.00%—2026-05-08
DAIWA CAN COMPANY9.58%0.00pp2026-03-12

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

Former and minor holders (below 5%) · 6
TOYO SHOJI CO., LTD3.79%2026-03-12
YAMAGUCHI KOUSAN CO., LTD.0.79%2026-03-12
SESIN SEIKAN0.01%2026-03-12
KYC MACHINE INDUSTRY CO., LTD0.01%2026-03-12
Hisakazu Yamaguchi0.00%2026-03-12
Hirohisa Yamaguchi0.00%2026-03-10
Ownership history · 27
FiledHolderRatioChangePurpose
2026-06-03SK Kosan Co., Ltd.2026-06-0314.60%no changeParticipation in management
2026-05-08AmendedMasaaki Sakagami2026-05-08 · amended12.00%newParticipation in management
2026-05-08AmendedSK Kosan Co., Ltd.2026-05-08 · amended14.60%newParticipation in management
2026-03-12Hisakazu Yamaguchi2026-03-120.00%-0.36ppPure investment
2026-03-12SESIN SEIKAN2026-03-120.01%no change—
2026-03-12KYC MACHINE INDUSTRY CO., LTD2026-03-120.01%no change—
2026-03-12YAMAGUCHI KOUSAN CO., LTD.2026-03-120.79%no change—
2026-03-12TOYO SHOJI CO., LTD2026-03-123.79%no change—
2026-03-12DAIWA CAN COMPANY2026-03-129.58%no change—
2026-03-12Y.M.P.CO., LTD.2026-03-1218.04%+1.25ppPure investment
2026-03-10Hirohisa Yamaguchi2026-03-100.00%-0.21ppPure investment
2026-03-10SESIN SEIKAN2026-03-100.01%no change—
2026-03-10KYC MACHINE INDUSTRY CO., LTD2026-03-100.01%no change—
2026-03-10Hisakazu Yamaguchi2026-03-100.36%no change—
2026-03-10YAMAGUCHI KOUSAN CO., LTD.2026-03-100.79%no change—
2026-03-10TOYO SHOJI CO., LTD2026-03-103.79%no change—
2026-03-10DAIWA CAN COMPANY2026-03-109.58%no change—
2026-03-10Y.M.P.CO., LTD.2026-03-1016.79%+1.36ppPure investment
2026-01-05SESIN SEIKAN2026-01-050.01%new—
2026-01-05KYC MACHINE INDUSTRY CO., LTD2026-01-050.01%new—

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