Tokyo Steel Manufacturing

5423.TIron & Steel

Key numbers · FY ended 2026-03

Revenue¥268.1bn-18.0% YoY Operating income¥7.2bn-76.0% YoY Total assets¥293.0bn+0.0% YoY

Full financial history and reports →

Stock price5423 · View chart ↗

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Latest filings

Wed, May 13 · JST2 filings

15:505% STAKETokyo Steel Manufacturing · Oasis Management Company Ltd. · 8.63% → 8.65%+0.02pp 10:075% STAKETokyo Steel Manufacturing · TOS LLC + 1 joint holder · 22.73% → 27.09%+4.36pp

Mon, May 11 · JST1 filing

16:085% STAKETokyo Steel Manufacturing · Oasis Management Company Ltd. · 6.25% → 8.63%+2.38pp

Thu, Apr 2 · JST1 filing

16:065% STAKETokyo Steel Manufacturing · Oasis Management Company Ltd. · 6.25%new 6.25%

Tue, Oct 28 · JST1 filing

09:175% STAKETokyo Steel Manufacturing · TOS LLC · 11.87% → 22.73%+10.86pp

All filings →

Major holders (5%+) · 2

Holder	Stake	Change	Filed
TOS LLC	22.73%	0.00pp	2026-05-13
Oasis Management Company Ltd.	8.65%	+0.02pp	2026-05-13

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