The Japan Steel Works

5631.TMachinery

Key numbers · FY ended 2026-03

Revenue¥274.9bn+10.6% YoY Operating income¥25.3bn+10.9% YoY Net income (owners)¥19.2bn+7.1% YoY Total assets¥430.0bn+8.0% YoY EPS (basic)¥261.38+7.1% YoY

Full financial history and reports →

Stock price5631 · View chart ↗

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Latest filings

Mon, Aug 3 · JST1 filing

15:30MATERIALThe Japan Steel Works · Merger

Mon, Jan 19 · JST1 filing

15:30MATERIALThe Japan Steel Works · Merger

Thu, Oct 2 · JST1 filing

09:415% STAKEThe Japan Steel Works · Amova Asset Management Co., Ltd. + 2 joint holders · 10.11% → 9.12%−0.99pp

Fri, Sep 5 · JST1 filing

14:515% STAKEThe Japan Steel Works · Amova Asset Management Co., Ltd. + 2 joint holders · 9.99% → 10.11%+0.12pp

Wed, Jan 8 · JST1 filing

13:555% STAKEThe Japan Steel Works · Nikko Asset Management Co., Ltd. + 2 joint holders · 11.07% → 9.99%−1.08pp

All filings →

Major holders (5%+) · 2

Holder	Stake	Change	Filed
Nomura Asset Management Co., Ltd.	15.25%	+0.18pp	2026-06-09
Amova Asset Management Co., Ltd.	9.12%	-0.99pp	2025-10-02

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