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Tsubota Laboratory

4890.TTSE GROWTHServices
Major holders (5%+) · 3
HolderStakeChangeFiled
Kazuo Tsubota46.98%0.00pp2025-08-28
Cantor Fitzgerald Europe18.63%—2026-06-19
Tsubota, Inc.12.41%0.00pp2025-08-28

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

Ownership history · 9
FiledHolderRatioChangePurpose
2026-06-19Cantor Fitzgerald Europe2026-06-1918.63%newPure investment
2025-08-28AmendedTsubota, Inc.2025-08-28 · amended12.41%no changeStable shareholder; Long-term holding
2025-08-28AmendedKazuo Tsubota2025-08-28 · amended46.98%no changeParticipation in management; Stable shareholder
2025-08-28AmendedTsubota, Inc.2025-08-28 · amended12.41%-0.10ppStable shareholder; Long-term holding
2025-08-28AmendedKazuo Tsubota2025-08-28 · amended46.98%-1.13ppParticipation in management; Stable shareholder
2024-11-15AmendedTsubota, Inc.2024-11-15 · amended12.51%no changeStable shareholder; Long-term holding
2024-11-15AmendedKazuo Tsubota2024-11-15 · amended48.11%-1.65ppParticipation in management; Stable shareholder
2024-10-07AmendedTsubota, Inc.2024-10-07 · amended12.51%newStable shareholder; Long-term holding
2024-10-07AmendedKazuo Tsubota2024-10-07 · amended49.76%newParticipation in management; Stable shareholder

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