5% STAKE8628.TTSE PRIMEJAPAN

Japan Post Bank discloses 19.86% stake in Matsui Securities

Summary

JAPAN POST BANK Co., Ltd. filed a New 5%+ stake (large shareholding report) via EDINET on 2026-11-09 15:30 JST concerning MATSUI SECURITIES CO., LTD. Reported holding ratio: 19.86%.

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Source: EDINET S100ZC9H ↗ · PDL1.0 · Not investment advice

Key facts

Holder	Japan Post Bank
Country	Japan
New	19.86%
Change	+19.86pp
Crossed	5%, 10%, 15%
Shares held	51,489,700
Purpose	Business / capital relationship
Date stake changed	2026-11-04
Company	Matsui Securities
Filed	2026-11-09 15:30 JST 01:30 ET

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