Overview
Iron and Steel

Mitsubishi Steel Mfg.Co.,Ltd.

Mitsubishi Steel Mfg. is an integrated specialty steel manufacturer engaged in the production and sale of specialty steel materials, springs, cast and forged components (素形材), and industrial machinery. Its product portfolio spans carbon steel, alloy steel, bearing steel, and tool steel, as well as automotive and construction machinery springs including stabilizers, torsion bars, and coiled wave springs. The company serves automotive OEMs, construction equipment manufacturers, and industrial sectors globally, leveraging vertically integrated manufacturing from raw materials to finished components as its key competitive strength.

Market Cap
¥34.2B
US$218M
EV
¥67.9B
US$433M
Stock¥2,261▼-1.95%
US$1 = ¥156.80 (2026-10-23)
LTM EV/EBITDA
7.6
x
LTM EV/EBIT
11.1
x
LTM PER
8.8
x
LTM PBR
0.7
x
Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-4.5%pt
100
Oct 24, 25 – Oct 23, 26StockTOPIX
MC → EV Bridge
34.2BUS$218MMarket Cap45.7BUS$291M+ Debt13.1BUS$83.3M− Cash6.92BUS$44.1M− Inv. Sec.8.00BUS$51.0M+ NCI67.9BUS$433MEV
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Performance & Balance
Revenue 5Y (¥B)
146US$933M'22/3171US$1.09B'23/3170US$1.08B'24/3160US$1.02B'25/3155US$986M'26/3
EBITDA 5Y (¥B)
9.97US$63.6M'22/39.62US$61.3M'23/38.95US$57.1M'24/310.7US$68.1M'25/38.45US$53.9M'26/3
Net Income 5Y (¥B)
4.07US$25.9M'22/32.19US$14.0M'23/3-0.97-US$6.18M'24/32.36US$15.1M'25/33.06US$19.5M'26/3
Capital Structure
52%
48%
EquityD/E 0.94xDebt
Liquidity vs Debt 5Y (¥B)▼ Net Debt
CashInv. Sec.Debt
26.3US$168M49.6US$316M'22/330.9US$197M66.6US$425M'23/328.2US$180M57.1US$364M'24/322.2US$141M52.4US$334M'25/323.9US$153M45.4US$290M'26/3
Shareholders
Top 10 hold 34.1%
1
The Master Trust Bank of Japan, Ltd. (Trust Account)
10.82%
2
Mitsubishi Heavy Industries,Ltd.
6.48%
3
Meiji Yasuda Life Insurance Company
4.63%
4
Mitsubishi Steel Kyoeikai
3.18%
5
Japan Master Trust Bank, Ltd. (Officer Compensation BIP Trust Account No. 76119)
2.04%
6
Tokio Marine & Nichido Fire Insurance Co., Ltd.
1.66%
7
INTERACTIVE BROKERS LLC (Standing Proxy: Interactive Brokers Securities Japan Inc.)
1.61%
8
NIPPON STEEL CORPORATION
1.46%
9
STATE STREET BANK AND TRUST COMPANY 505223 (Standing Proxy: Mizuho Bank, Ltd.)
1.21%
10
UBS AG LONDON A/C IPB SEGREGATED CLIENT ACCOUNT (Standing Proxy: Citibank, N.A., Tokyo Branch)
1.06%
Management
10 officers
Jun YAMAGUCHI
Representative Director, President and Executive Officer
Apr 1989 Joined the Company Sep 2009 General Manager, Spring Sales Department Apr 2014 Deputy General Manager, Spring Business Division Oct 2016 General Manager, Sales Planning Department, Business Planning Division Jul 2017 General Manager, Business Planning Department Jun 2019 Director; in charge of Business Planning and Materials Departments Mar 2020 Director; in charge of Spring Business, Business Planning and Materials Departments Jun 2021 Director, Managing Executive Officer; in charge of Planning Headquarters, Materials and Systems Departments Jun 2022 Representative Director, President and Executive Officer (current)
1965-06-16
Keisuke AOIKE
Representative Director, Managing Executive Officer; Assistant to the President; CFO; in charge of Sustainability and Systems Department
Apr 1990 Joined The Mitsubishi Bank, Ltd. (now MUFG Bank, Ltd.) May 2016 General Manager, Compliance Division (Special Assignment), Mitsubishi UFJ Financial Group, Inc. May 2017 General Manager, International Banking Division, The Bank of Tokyo-Mitsubishi UFJ, Ltd. (now MUFG Bank, Ltd.) Mar 2019 General Manager, Compliance Division (Special Assignment), Mitsubishi UFJ Financial Group, Inc. Mar 2020 General Manager, Compliance Division, Mitsubishi UFJ Financial Group, Inc. Jun 2020 Senior Fellow, MUFG Bank, Ltd.; General Manager, Compliance Division Jun 2022 Managing Executive Officer, Tokyo Leasing Co., Ltd. Jun 2023 Director, Managing Executive Officer, Tokyo Leasing Co., Ltd. Jun 2024 Representative Director, Managing Executive Officer of the Company; Assistant to the President (general administration); in charge of Sustainability Apr 2025 Representative Director, Managing Executive Officer of the Company; Assistant to the President; CFO; in charge of Sustainability Apr 2026 Representative Director, Managing Executive Officer of the Company; Assistant to the President; CFO; in charge of Sustainability and Systems Department (current)
1967-08-10
Akira YAMAO
Director, Managing Executive Officer; General Manager, Sales Headquarters; in charge of Parts Business Division
Apr 1985 Joined the Company Apr 2003 General Manager, Parts Sales Department Mar 2006 General Manager, Spring Sales Department Jun 2010 General Manager, Parts Business Division Oct 2016 General Manager, Steel Materials Business Division; General Manager, Parts Business Division Jun 2017 Director; General Manager, Sales Headquarters; General Manager, Steel Materials Business Division and Parts Business Division Jun 2019 Director; General Manager, Sales Headquarters; in charge of Forming Materials and Parts Businesses Jun 2021 Senior Executive Officer; General Manager, Sales Headquarters; General Manager, Sales Strategy Office; in charge of Parts Business Division Jun 2022 Managing Executive Officer; General Manager, Sales Headquarters; in charge of Parts Business Division Jun 2023 Director, Managing Executive Officer; General Manager, Sales Headquarters; in charge of Parts Business Division (current)
1961-08-03
Minako TAKEUCHI
Director
Apr 1983 Joined NEC Corporation Jan 2003 Joined Stanton Chase International K.K. Aug 2007 Representative Director and Vice President, Stanton Chase International K.K. Aug 2013 Representative Director, TM Future Co., Ltd. (current) Sep 2015 Director, Japan Professional Basketball League (now public interest incorporated association) Jun 2019 Outside Director, The Shiga Bank, Ltd. (current) Aug 2019 Director, Japan Wheelchair Basketball Federation (current) Jun 2020 Director, Japan Basketball Association; Outside Director, Nihon M&A Center Holdings, Inc. (current) Jun 2022 Director of the Company (current) Jun 2023 Director, Japan Badminton Association (current)
1961-01-17
Atsushi HAGITA
Director
Apr 1983 Joined Mitsubishi Heavy Industries, Ltd. (MHI) Apr 2010 General Manager, Turbo Technology Department, General Purpose Machinery & Special Vehicles Business Headquarters, MHI May 2016 President, Mitsubishi Engine North America Jul 2016 President, Mitsubishi Turbocharger & Engine America Mar 2018 Resigned from MHI Apr 2018 General Manager, Turbo Technology Department, MHI Sagami High-Tech Co., Ltd. Jun 2018 Director; General Manager, Turbo Technology Department, MHI Sagami High-Tech Co., Ltd. Jun 2020 President and Director, MHI Sagami High-Tech Co., Ltd. Jun 2022 Research Officer, MHI Sagami High-Tech Co., Ltd. Jun 2024 Resigned from MHI Sagami High-Tech Co., Ltd. Jul 2024 Director, Sohishi Engineering Co., Ltd. Jun 2025 Director of the Company (current)
1959-01-17
Yuka MATSUDA
Director
Apr 1985 Joined Citibank, N.A., Japan Branch Oct 1991 Joined Chuo Shinkou Audit Corporation Oct 1992 Joined Coopers & Lybrand International Tax Office (now PwC Tax Japan) Apr 1995 Registered as Certified Public Accountant Apr 1999 Registered as Certified Tax Accountant Jul 2014 Director, PwC Tax Japan Jun 2021 Representative, Yuka Matsuda CPA and Tax Accountant Office (current) Jul 2021 Outside Audit & Supervisory Board Member, Denki Kogyo Co., Ltd. Jun 2022 Audit & Supervisory Board Member of the Company Jul 2022 Supervisory Director, Nochu JAML REIT Investment Corporation (current) Mar 2023 Outside Director, Dentsu Group Inc. (current) Jun 2026 Supervisory Director, HiJoJo Global Unicorn Investment Corporation (current) Jun 2026 Director of the Company
1960-09-19
Yoshitaka MIO
Director, Full-time Audit and Supervisory Committee Member
Apr 1988 Joined Toyo Trust & Banking Co., Ltd. (now Mitsubishi UFJ Trust and Banking Corporation) Aug 2010 General Manager, Securities Agency Sales Department No. 4, Mitsubishi UFJ Trust and Banking Corporation Jun 2014 General Manager, Osaka Securities Agency Department, Mitsubishi UFJ Trust and Banking Corporation Jun 2015 Executive Officer; General Manager, Osaka Securities Agency Department, Mitsubishi UFJ Trust and Banking Corporation Jun 2017 Representative Director and Vice President, Mitsubishi UFJ Agency Business Co., Ltd. Apr 2025 Adviser, Mitsubishi UFJ Agency Business Co., Ltd. Jun 2025 Full-time Audit & Supervisory Board Member of the Company Jun 2026 Director, Full-time Audit and Supervisory Committee Member of the Company (current)
1965-08-15
Yoshimi NAKAMORI
Director, Full-time Audit and Supervisory Committee Member
Apr 1990 Joined the Company Apr 2014 Deputy General Manager, Steel Materials Business Division Oct 2016 General Manager, Production Planning Department, Business Planning Division Dec 2018 Deputy General Manager, Steel Materials Business Division; General Manager, Production Planning Department, Business Planning Division Jun 2021 Executive Officer; General Manager, Production Planning Department, Planning Headquarters Jun 2022 Executive Officer; General Manager, Production Planning Department, Planning Headquarters; in charge of Quality Assurance, Safety and Carbon Neutrality Jun 2023 Full-time Audit & Supervisory Board Member of the Company Jun 2026 Director, Full-time Audit and Supervisory Committee Member of the Company (current)
1965-05-08
Yukio TAKAMI
Director, Audit and Supervisory Committee Member
Apr 1984 Registered as attorney-at-law; joined Narutomi Sogo Law Office Apr 2001 Established Nishikomi & Takami Law Office (current) Apr 2007 Vice President, Dai-Ichi Tokyo Bar Association Jun 2013 Outside Audit & Supervisory Board Member, DM Solutions Co., Ltd. (current) May 2015 Outside Audit & Supervisory Board Member, Tokyo Kobetsu Shidou Gakuin Co., Ltd. Jun 2016 Outside Audit & Supervisory Board Member, Enshu Truck Co., Ltd. Jun 2018 Outside Director, Enshu Truck Co., Ltd. Apr 2024 Chairperson, Standing Council, Dai-Ichi Tokyo Bar Association Jun 2026 Director, Audit and Supervisory Committee Member of the Company
1955-11-02
Chika MORIFUJI
Director, Audit and Supervisory Committee Member
Apr 1988 Joined Citibank, N.A., Tokyo Branch Nov 1994 Joined Coopers & Lybrand International Tax Office (now PwC Tax Japan) Jul 1996 Joined Paribas Securities Co., Tokyo Branch (now BNP Paribas Securities (Japan) Limited) Jun 1999 Registered as Certified Public Accountant Jul 1999 Joined Deutsche Securities Inc., Tokyo Branch Oct 2004 Joined The Hongkong and Shanghai Banking Corporation Limited, Tokyo Branch Jun 2024 Japan Representative, HSBC Services Japan Limited Jun 2026 Director, Audit and Supervisory Committee Member of the Company
1965-09-13
Large Shareholding Reports
Meiji Yasuda Life Insurance Company
2026-09-03
4.55%→4.55%
Annual report (as of 2026-03-31): 4.63%
Disclosures
No disclosures
Primary Source Filings
EDINET
2026-09-03
Large Shareholding Report
TDnet
2026-08-06
Q1 Earnings Flash
FY ending Mar 2027
EDINET
2026-06-17
Annual Securities Report
Period: Apr 2025 – Mar 2026
TDnet
2026-02-05
Q3 Earnings Flash
FY ending Mar 2026
EDINET
2025-11-07
Semi-Annual Securities Report
Period: Apr 2025 – Mar 2026
TDnet
2025-08-07
Q1 Earnings Flash
FY ending Mar 2026
EDINET
2025-06-19
Annual Securities Report
Period: Apr 2024 – Mar 2025
TDnet
2025-02-06
Q3 Earnings Flash
FY ending Mar 2025
EDINETAmended
2024-11-08
Amended Quarterly Securities Report
Period: Oct 2023 – Dec 2023
EDINETAmended
2024-11-08
Amended Quarterly Securities Report
Period: Apr 2023 – Jun 2023
EDINETAmended
2024-11-08
Amended Quarterly Securities Report
Period: Jul 2023 – Sep 2023
EDINETAmended
2024-11-08
Amended Annual Securities Report
Period: Apr 2020 – Mar 2021
EDINETAmended
2024-11-08
Amended Quarterly Securities Report
Period: Oct 2022 – Dec 2022
EDINETAmended
2024-11-08
Amended Annual Securities Report
Period: Apr 2019 – Mar 2020
EDINETAmended
2024-11-08
Amended Annual Securities Report
Period: Apr 2023 – Mar 2024
EDINETAmended
2024-11-08
Amended Annual Securities Report
Period: Apr 2022 – Mar 2023
EDINET
2024-11-08
Semi-Annual Securities Report
Period: Apr 2024 – Mar 2025
EDINETAmended
2024-11-08
Amended Annual Securities Report
Period: Apr 2021 – Mar 2022
TDnetAmended
2024-11-07
Q1 Earnings Flash
FY ending Mar 2025
TDnet
2024-08-08
Q1 Earnings Flash
FY ending Mar 2025
EDINET
2024-06-21
Annual Securities Report
Period: Apr 2023 – Mar 2024
EDINET
2024-02-09
Quarterly Securities Report
Period: Oct 2023 – Dec 2023
EDINET
2023-11-10
Quarterly Securities Report
Period: Jul 2023 – Sep 2023
EDINET
2023-08-10
Quarterly Securities Report
Period: Apr 2023 – Jun 2023
EDINETAmended
2023-08-08
Amended Annual Securities Report
Period: Apr 2021 – Mar 2022
EDINETAmended
2023-08-08
Amended Annual Securities Report
Period: Apr 2019 – Mar 2020
EDINETAmended
2023-08-08
Amended Annual Securities Report
Period: Apr 2018 – Mar 2019
EDINETAmended
2023-08-08
Amended Quarterly Securities Report
Period: Apr 2020 – Jun 2020
EDINETAmended
2023-08-08
Amended Quarterly Securities Report
Period: Oct 2020 – Dec 2020
EDINETAmended
2023-08-08
Amended Annual Securities Report
Period: Apr 2020 – Mar 2021
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