Amiya

4258.TTSE GROWTHInformation & Communication

Key numbers · FY ended 2025-12

Revenue¥5.9bn+24.5% YoY Operating income¥1.1bn+99.8% YoY Net income (owners)¥752m+95.3% YoY Total assets¥6.9bn+28.2% YoY EPS (basic)¥90.84+94.6% YoY

Full financial history and reports →

Stock price4258 · View chart ↗

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Latest filings

Mon, Mar 23 · JST1 filing

15:345% STAKEAmiya · Simplex Capital Investment · 8.16%new 8.16%

Thu, Feb 26 · JST1 filing

11:115% STAKEAmiya · CyberSolutions Inc. + 1 joint holder · 9.79%new 9.79%

Thu, Feb 19 · JST2 filings

16:09MATERIALAmiya · Change in major shareholder 14:365% STAKEAmiya · Canon Marketing Japan Inc. · 13.53%new 13.53%

Wed, Feb 18 · JST1 filing

13:395% STAKEAmiya · Seiichi Ito + 1 joint holder · 30.75% → 3.43%−27.32pp

All filings →

Major holders (5%+) · 5

Holder	Stake	Change	Filed
Canon Marketing Japan Inc.	13.53%	—	2026-02-19
Ishida Kota	12.64%	—	2026-04-16
Simplex Capital Investment Co., Ltd.joint holder	8.16%	0.00pp	2026-06-01
Asset Management One Co., Ltd.	6.41%	+1.19pp	2024-08-07
CyberSolutions Inc.	6.36%	—	2026-02-26

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