Iron & Steel · Fiscal year end Mar 31

TOKYO STEEL MANUFACTURING CO., LTD.

5423

東京製鐵株式会社

FIGI BBG000BD6XS95423.T5423 JPCorp. no. 8010001008819

Latest half-year results

First half · fiscal year to 2026-03 · filed 2025-11-11

For the first half of the fiscal year to 2026-03: Revenue ¥133.9 billion (-23.2% YoY), Ordinary income ¥7 billion (-53.1% YoY), Net income ¥4.6 billion (-53.5% YoY).

	This period	Year on year
Revenue	¥133.9bn	-23.2%
Ordinary profit	¥7.0bn	-53.1%
Net profit to owners	¥4.6bn	-53.5%

From the securities report on EDINET, which states no forecast. History via /v1/companies/5423/earnings-releases.

Financials

Japan GAAP · non-consolidated · fiscal year to 2026-03-31

Revenue: ¥268.1bn
Net income: —
ROE: 5.4%
Equity ratio: 75.8%
Dividend / share: ¥50
Employees: 1,161

Revenue · ¥bn

Fiscal year	Revenue	Net income	Total assets	Net assets	ROE	EPS	Operating CF
2026-03-31	¥268.1bn	—	¥293.0bn	¥222.1bn	5.4%	—	−¥3.3bn
2025-03-31	¥326.8bn	—	¥293.0bn	¥209.9bn	10.2%	—	¥19.6bn
2024-03-31	¥367.2bn	—	¥310.6bn	¥203.9bn	14.6%	—	¥53.4bn
2023-03-31	¥361.2bn	—	¥271.0bn	¥179.3bn	18.3%	—	¥39.8bn
2022-03-31	¥270.9bn	—	¥240.3bn	¥158.3bn	22.1%	—	¥26.9bn

Indicators

Computed by us from filings · fiscal year to 2026-03-31

Metric	Value	Percentile among listed companies
ROE, %	5.4	27.4
Ordinary margin	—	—
Equity ratio, %	75.8	84.1
Revenue growth	-0.1796	3
Net income growth	—	—
Operating cash flow / assets	-0.0112	13.5

Policy-uncertainty measure0.00 Share of the report's text discussing policy-related uncertainty, by policy area. Proprietary text method.

Ownership activity 1 filer(s) stated they may make proposals in 365 days; 0 new 5% holder(s) in 180 days; net stake change 0.00pt in 90 days; 1.9% held by other listed companies.

Results wording balance: -1.00. Proprietary text method; it describes the wording only and does not interpret context.

Via /v1/companies/5423/indicators. Descriptive figures, not a rating and not investment advice.

From other filings

As the company states them

Share buyback, report to —: ¥2.6bn acquired of a ¥2.7bn limit. /v1/companies/5423/buybacks

Internal control, 2026-06-23: see filing 上記の評価の結果、当事業年度末日時点において、当社の財務報告に係る内部統制は有効であると判断した。 Filing

Segments, votes and tender offers

Stated in EDINET filings

Latest voting result: 2026-06-24 · 剰余金処分の件 · passed. /v1/companies/5423/voting

Ownership changes

All companies →

2026-05-13

Increase+4.36pt

TOS LLC raised holdings in TOKYO STEEL MANUFACTURING CO., LTD. (5423) to 27.09% from 22.73%.

S100Y2REFiler profile Original filing (PDF, Japanese)
2026-05-13

Purpose change+0.02pt

Oasis Management Company Ltd. changed its stated purpose for holding TOKYO STEEL MANUFACTURING CO., LTD. (5423): may_make_proposals -> may_make_proposals, shareholder_value_engagement, undervaluation_thesis.

S100Y33CFiler profile Original filing (PDF, Japanese)
2026-05-13

Increase+0.02pt

Oasis Management Company Ltd. raised holdings in TOKYO STEEL MANUFACTURING CO., LTD. (5423) to 8.65% from 8.63%.

S100Y33CFiler profile Original filing (PDF, Japanese)
2026-05-11

Increase+2.38pt

Oasis Management Company Ltd. raised holdings in TOKYO STEEL MANUFACTURING CO., LTD. (5423) to 8.63% from 6.25%.

S100Y24EFiler profile Original filing (PDF, Japanese)
2026-04-02

Stated it may make proposals

Oasis Management Company Ltd. states it may make proposals to the management of TOKYO STEEL MANUFACTURING CO., LTD. (5423) (first filing).

S100XVQYFiler profile Original filing (PDF, Japanese)
2026-04-02

New 5% stake

Oasis Management Company Ltd. disclosed a 6.25% stake in TOKYO STEEL MANUFACTURING CO., LTD. (5423), crossing the 5% reporting threshold.

S100XVQYFiler profile Original filing (PDF, Japanese)
2025-10-28

Increase+10.86pt

TOS LLC raised holdings in TOKYO STEEL MANUFACTURING CO., LTD. (5423) to 22.73% from 11.87%.

S100WWSIFiler profile Original filing (PDF, Japanese)
2025-10-28

Threshold

Holdings of TOS LLC in TOKYO STEEL MANUFACTURING CO., LTD. (5423) moved above 20% (11.87% -> 22.73%).

S100WWSIFiler profile Original filing (PDF, Japanese)
2025-10-28

Below 5%−1.71pt

individual filer cut holdings in TOKYO STEEL MANUFACTURING CO., LTD. (5423) to 4.36% from 6.07%, below the 5% threshold.

S100WWV2Original filing (PDF, Japanese)
2025-10-21

Below 5%−1.40pt

Nomura Securities Co.,Ltd. cut holdings in TOKYO STEEL MANUFACTURING CO., LTD. (5423) to 4.96% from 6.36%, below the 5% threshold.

S100WVXEFiler profile Original filing (PDF, Japanese)

Trades by 5% holders

From the 60-day trade tables in 5% reports

Bought SoldHover a dot for the trade

Holder	Period	Net shares	Net % of shares	Avg. filed price	Range
Oasis Management Company Ltd.	2026-01-26 – 2026-04-30	+4,071,202	+3.70pt	¥1,668.8	¥1,641–1,684
individual filer	2025-10-21 – 2025-10-21	-4,612,700	−4.19pt	¥1,290	¥1,290–1,290
合同会社TOS	2025-10-21 – 2025-10-21	+6,620,600	+6.02pt	¥1,290	¥1,290–1,290

Net shares and the average are our calculations. Prices are filed prices as stated by the filer, mostly for off-market trades; they are not market prices. Stock lending, custody transfers and option exercises are excluded from net shares. Every row via /v1/companies/5423/trades.

5% filings

Large shareholding reports on 5423

Filed	Filer	Stake	Change	Stated purpose
2026-05-13	TOS LLC	27.09%	+4.36pt	—
2026-05-13	Oasis Management Company Ltd.	8.65%	+0.02pt	may make proposals shareholder value engagement undervaluation thesis
2026-05-11	Oasis Management Company Ltd.	8.63%	+2.38pt	may make proposals
2026-04-02	Oasis Management Company Ltd.	6.25%	—	may make proposals
2025-10-28	TOS LLC	22.73%	+10.86pt	—
2025-10-28	individual filer	4.36%	−1.71pt	—
2025-10-21	Nomura Securities Co.,Ltd.	4.96%	−1.40pt	—
2025-04-04	Nomura Securities Co.,Ltd.	6.36%	−0.29pt	—
2024-05-20	Nomura Asset Management Co., Ltd.	6.65%	—	—
2024-04-04	Nomura Asset Management Co., Ltd.	4.76%	−1.08pt	—

Cross-shareholdings

From the annual report's status of shareholdings

Listed strategic holdings: 6 issues
Book value: ¥6.2bn
Sold in the year: ¥2.7bn 4 issues
Bought in the year: — — issues
Mutual, both reports: 2
Held by listed cos.: 7

Holds	Book value	Shares vs. prior year	Mutual
Iyogin Holdings,Inc. 5830	¥1,978m	0.0%	both reports
HANWA CO.,LTD. 8078	¥1,747m	0.0%	no
Sumitomo Mitsui Financial Group, Inc. 8316	¥1,369m	0.0%	no
東国スチール㈱	¥648m	0.0%	no
東国CM㈱	¥236m	0.0%	no
OKAYA&CO.,LTD. 7485	¥198m	0.0%	both reports

Held by: Iyogin Holdings,Inc. 5830, OKAYA&CO.,LTD. 7485, YOTAI REFRACTORIES CO.,LTD. 5357, OHMOTO GUMI CO.,LTD 1793, THE ZENITAKA CORPORATION 1811, Yashima Denki Co.,Ltd. 3153, TYK CORPORATION 5363

Purposes, all holdings and mutual flags via /v1/companies/5423/cross-holdings. Share changes include stock splits.

Major shareholders

As of fiscal year end 2026-03-31

Shareholder	Shares	Ratio
合同会社ＴＯＳ	25,020,000	24.41%
公益財団法人池谷科学技術振興財団	13,000,000	12.68%
日本マスタートラスト信託銀行株式会社(信託口)	8,735,000	8.52%
合同会社ＭＹＭ	5,314,000	5.18%
合同会社ＭＹＪ	4,800,000	4.68%
宜本興産株式会社	4,000,000	3.90%
individual holder	2,477,000	2.42%
株式会社日本カストディ銀行(信託口)	2,107,000	2.06%
individual holder	1,430,000	1.39%
individual holder	1,332,000	1.30%

U.S. funds holding 5423

SEC Form N-PORT, reports to 2026-07-31

57 U.S. funds held 5,727,288 shares worth $63.0m.

Fund	Shares	Value	% of fund	As of
VANGUARD TOTAL INTERNATIONAL STOCK INDEX FUND VANGUARD STAR FUNDS	705,718	$7.8m	0.001%	2026-07-31
iShares Core MSCI EAFE ETF iShares Trust	547,800	$6.1m	0.003%	2026-07-31
Putnam International Small Cap Fund Putnam Investment Funds	544,900	$6.0m	1.742%	2026-05-31
THE JAPANESE SMALL COMPANY SERIES DFA INVESTMENT TRUST CO	456,500	$5.1m	0.126%	2026-07-31
VANGUARD DEVELOPED MARKETS INDEX FUND VANGUARD TAX-MANAGED FUNDS	459,915	$4.8m	0.002%	2026-06-30

Up to 25 funds per stock via the API.

Get this as JSON

GET /v1/companies/5423
GET /v1/companies/5423/financials
GET /v1/companies/5423/details
GET /v1/companies/5423/segments
GET /v1/companies/5423/voting
GET /v1/companies/5423/tender-offers
GET /v1/companies/5423/indicators
GET /v1/companies/5423/earnings-releases
GET /v1/events?ticker=5423
GET /v1/companies/5423/trades         
GET /v1/companies/5423/cross-holdings 
GET /v1/companies/5423/brief

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