5% STAKE6615.TTSEJAPAN

Mizuho Bank discloses 44.98% stake in UMC Electronics

Summary

Mizuho Bank, Ltd. and joint holders filed a New 5%+ stake (large shareholding report) via EDINET on 2026-05-13 10:25 JST concerning UMC Electronics Co., Ltd. Reported holding ratio: 44.98%.

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Source: EDINET S100Y368 ↗ · PDL1.0 · Not investment advice

Key facts

Holder	Mizuho Bank
Country	Japan
New	44.98%
Change	+44.98pp
Crossed	5%, 10%, 15%, 20%, 25%, 33.3%
Shares held	22,572,705
Purpose	Business / capital relationship
Date stake changed	2026-05-01
Company	UMC Electronics
Filed	2026-05-13 10:25 JST 21:25 ET

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