Japan Insulation

5368.TGlass & Ceramics Products

Key numbers · FY ended 2026-03

Revenue¥14.4bn+17.8% YoY Operating income¥1.6bn+56.9% YoY Net income (owners)¥1.2bn+51.7% YoY Total assets¥18.8bn+5.8% YoY EPS (basic)¥135.95+51.3% YoY

Full financial history and reports →

Stock price5368 · View chart ↗

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Latest filings

Tue, Mar 24 · JST1 filing

16:02MATERIALJapan Insulation · Change of representative director

Mon, Dec 22 · JST1 filing

15:465% STAKEJapan Insulation · Hikari Tsushin K.K. + 1 joint holder · 5.13% → 4.13%−1.00pp

Tue, Nov 18 · JST1 filing

16:085% STAKEJapan Insulation · Hikari Tsushin K.K. + 1 joint holder · 6.18% → 5.13%−1.05pp

Mon, Oct 6 · JST1 filing

16:045% STAKEJapan Insulation · Hikari Tsushin K.K. + 1 joint holder · 7.20% → 6.18%−1.02pp

Wed, Aug 27 · JST1 filing

16:185% STAKEJapan Insulation · Hikari Tsushin K.K. + 1 joint holder · 8.24% → 7.20%−1.04pp

All filings →

Major holders (5%+) · 0

Holder	Stake	Change	Filed

No holder currently reports 5% or more.

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