Tsubota Laboratory

4890.TTSE GROWTHServices

Key numbers · FY ended 2026-03

Revenue¥200m-85.3% YoY Operating income−¥788m-434.6% YoY Total assets¥1.3bn-47.3% YoY EPS (basic)¥-29.58-467.9% YoY

Full financial history and reports →

Stock price4890 · View chart ↗

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Latest filings

Fri, Jun 19 · JST1 filing

14:405% STAKETsubota Laboratory · Cantor Fitzgerald Europe · 18.63%new 18.63%

Mon, Jun 1 · JST1 filing

15:44MATERIALTsubota Laboratory · Change in parent company or specified subsidiary

Wed, May 20 · JST1 filing

15:47MATERIALTsubota Laboratory · Change of independent auditor

Thu, Aug 28 · JST1 filing

11:055% STAKETsubota Laboratory · Kazuo Tsubota + 1 joint holder · 60.49% → 59.05%−1.44pp

Fri, Nov 15 · JST1 filing

16:095% STAKETsubota Laboratory · Kazuo Tsubota + 1 joint holder · 62.14% → 60.49%−1.65pp

All filings →

Major holders (5%+) · 3

Holder	Stake	Change	Filed
Kazuo Tsubota	46.98%	0.00pp	2025-08-28
Cantor Fitzgerald Europe	18.63%	—	2026-06-19
Tsubota, Inc.	12.41%	0.00pp	2025-08-28

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