Seiko

6286.TTSE STANDARDMachinery

Key numbers · FY ended 2026-03

Revenue¥44.9bn+12.0% YoY Operating income¥1.8bn+25.0% YoY Net income (owners)¥1.2bn+17.8% YoY Total assets¥29.7bn+7.4% YoY EPS (basic)¥190.68+17.9% YoY

Full financial history and reports →

Stock price6286 · View chart ↗

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Latest filings

Tue, May 12 · JST1 filing

13:495% STAKESeiko · SUZUYO HOLDINGS Co., Ltd + 3 joint holders · 28.26% → 33.09%+4.83pp

Tue, Mar 10 · JST1 filing

16:025% STAKESeiko · TMK + 2 joint holders · 16.58% → 15.39%−1.19pp

Wed, May 14 · JST1 filing

17:035% STAKESeiko · Takanori Suzuki · 7.34%new 7.34%

Tue, May 13 · JST1 filing

14:09MATERIALSeiko · Change in major shareholder

Fri, May 9 · JST1 filing

12:085% STAKESeiko · TMK + 2 joint holders · 22.75% → 16.58%−6.17pp

All filings →

Major holders (5%+) · 4

Holder	Stake	Change	Filed
SUZUYO HOLDINGS Co., Ltd	28.26%	—	2026-05-12
TMK	8.34%	0.00pp	2026-03-12
Takanori Suzuki	7.34%	—	2025-05-14
Keiko Suzuki	6.59%	0.00pp	2026-03-12

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