bBreak Systems

3986.TTSE STANDARDInformation & Communication

Key numbers · FY ended 2026-06

Revenue¥1.4bn+0.7% YoY Operating income¥125m+13.6% YoY Total assets¥2.4bn+5.5% YoY EPS (basic)¥22.4+11.3% YoY

Full financial history and reports →

Stock price3986 · View chart ↗

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Latest filings

Mon, Sep 14 · JST1 filing

15:335% STAKEbBreak Systems · Akira Takahashi · 5.50% → 4.49%−1.01pp

Fri, Aug 21 · JST2 filings

15:395% STAKEbBreak Systems · Akira Takahashi · 6.53% → 5.50%−1.03pp 15:345% STAKEbBreak Systems · Hikari Tsushin K.K. + 3 joint holders · 11.39% → 12.41%+1.02pp

Thu, Jul 2 · JST1 filing

15:525% STAKEbBreak Systems · Hikari Tsushin K.K. + 3 joint holders · 10.27% → 11.39%+1.12pp

Thu, Jan 8 · JST1 filing

15:415% STAKEbBreak Systems · Hikari Tsushin K.K. + 3 joint holders · 9.17% → 10.27%+1.10pp

All filings →

Major holders (5%+) · 3

Holder	Stake	Change	Filed
Jiro Shiraiwa	31.96%	-3.69pp	2025-12-01
Hikari Tsushin K.K.	12.41%	+1.02pp	2026-08-21
Nobuhiko Kamikawa	6.92%	—	2025-12-01

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