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331A.TServices
Major holders (5%+) · 5
HolderStakeChangeFiled
MASAHIRO MIZUNO15.12%—2025-03-26
Shigeki Koyanaka14.85%-4.10pp2026-06-19
MASANORI TANAKA7.00%—2025-12-24
KAZUKI KOYANAKA6.36%—2025-03-26
Follow One's Heart, Inc.5.20%—2025-12-24

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

Ownership history · 7
FiledHolderRatioChangePurpose
2026-06-19AmendedShigeki Koyanaka2026-06-19 · amended14.85%-4.10ppStable shareholder
2025-12-24AmendedFollow One's Heart, Inc.2025-12-24 · amended5.20%newStable shareholder; Long-term holding
2025-12-24AmendedMASANORI TANAKA2025-12-24 · amended7.00%newStable shareholder; Long-term holding
2025-03-26KAZUKI KOYANAKA2025-03-266.36%newStable shareholder; Long-term holding
2025-03-26MASAHIRO MIZUNO2025-03-2615.12%newStable shareholder; Long-term holding
2025-03-25AmendedSHIGEKI KOYANAKA2025-03-25 · amended18.95%-6.18ppStable shareholder
2025-03-25AmendedSHIGEKI KOYANAKA2025-03-25 · amended25.13%newStable shareholder

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