Overview
Nonferrous Metals

STG CO.,LTD.

STG is a specialist manufacturer of lightweight metal components, primarily magnesium and aluminum die-cast parts, serving global customers in precision cameras (mirrorless), automotive, network cameras, projectors, printers, medical devices, and drones. The company operates an integrated production system spanning mold design, casting, machining, shot blasting, surface treatment, painting, and assembly across facilities in Japan, China, Thailand, and Malaysia. STG's competitive strengths lie in its proprietary magnesium die-casting technology, multi-material capability (magnesium 51% / aluminum 39% of FY2025 sales), value engineering proposals, and a global manufacturing footprint tailored to multinational OEM supply chains.

Market Cap
¥2.42B
US$15.4M
EV
¥5.24B
US$33.4M
Stock¥1,139▼-0.09%
US$1 = ¥157.05 (2026-10-22)
LTM EV/EBITDA
7.2
x
LTM EV/EBIT
19.1
x
LTM PER
17.0
x
LTM PBR
0.7
x
Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-72.7%pt
1001
Oct 23, 25 – Oct 23, 26StockTOPIX
1Aug 13, 26Q1 FY2027/03 earnings announced
MC → EV Bridge
2.42BUS$15.4MMarket Cap4.91BUS$31.3M+ Debt2.01BUS$12.8M− Cash0.08BUS$0.52M− Inv. Sec.5.24BUS$33.4MEV
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Performance & Balance
Revenue 5Y (¥B)
5.24US$33.4M'24/36.43US$40.9M'25/36.82US$43.4M'26/3
EBITDA 5Y (¥B)
0.64US$4.06M'24/30.89US$5.64M'25/30.77US$4.90M'26/3
Net Income 5Y (¥B)
0.20US$1.26M'24/30.39US$2.48M'25/30.28US$1.78M'26/3
Capital Structure
42%
58%
EquityD/E 1.36xDebt
Liquidity vs Debt 5Y (¥B)▼ Net Debt
CashInv. Sec.Debt
1.12US$7.14M3.05US$19.5M'24/31.13US$7.20M2.96US$18.9M'25/31.85US$11.8M4.82US$30.7M'26/3
Shareholders
Top 10 hold 49.9%
1
Teruaki SATO
14.12%
2
Sanki Co., Ltd.
14.12%
3
NOMURA PB NOMINEES LIMITED OMNIBUS-MARGIN (CASHPB; Standing Proxy: Nomura Securities Co., Ltd.)
3.84%
4
Yoshihiko KANEMITSU
3.01%
5
SIX SIS LTD. (Standing Proxy: MUFG Bank, Ltd.)
2.82%
6
MSIP CLIENT SECURITIES (Standing Proxy: Morgan Stanley MUFG Securities Co., Ltd.)
2.69%
7
Mitsubishi UFJ Capital Co., Ltd.
2.63%
8
SBI Neotrade Securities Co., Ltd.
2.58%
9
SBI SECURITIES Co., Ltd.
2.12%
10
Yasunari MORITA
1.93%
Management
9 officers
Teruaki SATO
Representative Director, President
Apr 1989 Joined Nichitsu Trading Co., Ltd. Apr 1994 Joined Sanki Blast Co., Ltd. (now the Company) Jun 1999 Director, Sanki Blast Co., Ltd. (now the Company) May 2006 Chairman, Sanki Special Technology (Hong Kong) Co., Ltd., upon its establishment (current) Apr 2007 Senior Managing Director, Sanki Blast Co., Ltd. (now the Company) Apr 2009 Representative Director, President, the Company (current) Sep 2011 Representative Director, SANKI EASTERN (THAILAND) COMPANY LIMITED (current) Apr 2021 Director, STX PRECISION (JB) SDN. BHD. (current) Feb 2023 Director, Sanki Co., Ltd. (current) Sep 2025 Director, E-CAST INDUSTRIES SDN. BHD. (current)
1966-10-24
Yasunari MORITA
Senior Managing Director
Mar 1971 Born Apr 1993 Joined TOSEI Corporation Oct 2007 Director, TOSEI Corporation Mar 2009 Senior Managing Director, TOSEI Corporation Sep 2011 Director, SANKI EASTERN (THAILAND) COMPANY LIMITED (current) Apr 2015 Senior Managing Director, the Company Apr 2022 Senior Managing Director, General Manager of Manufacturing Division, the Company Apr 2024 Senior Managing Director, the Company (current)
1971-03-27
Tadanori HAYASHI
Senior Managing Director
Apr 1997 Joined Sanki Blast Co., Ltd. (now the Company) Jun 2006 Plant Manager, Sanki Special Technology (Hong Kong) Co., Ltd. Apr 2008 General Manager, Sanki Special Technology (Hong Kong) Co., Ltd. Sep 2011 Director, SANKI EASTERN (THAILAND) COMPANY LIMITED (current) Dec 2011 Legal Representative, Shenzhen Sanki Precision Hardware Co., Ltd. (current) Apr 2015 Managing Director, the Company Feb 2016 Director, Sanki Special Technology (Hong Kong) Co., Ltd. (current) Jun 2023 Senior Managing Director, the Company (current)
1972-07-08
Yoshihiro SHIRAI
Senior Managing Director
Apr 1989 Joined Kiyo Bank, Ltd. Jan 2007 Deputy Manager, Corporate Planning Department, Kiyo Bank, Ltd. Apr 2012 Branch Manager, Kumatori Branch, Kiyo Bank, Ltd. Jul 2013 General Branch Manager, Hakurazaki-Hinano Combined Branch, Kiyo Bank, Ltd. Oct 2014 Deputy Branch Manager, Tokyo Branch, Kiyo Bank, Ltd. Apr 2015 Seconded to Hanwa Credit Guarantee Co., Ltd. Apr 2017 Seconded to the Company, General Manager of Administration Division Apr 2018 Transferred to the Company, General Manager of Administration Division Jun 2018 Managing Director, General Manager of Administration Division, the Company Apr 2021 Director, STX PRECISION (JB) SDN. BHD. (current) Jun 2024 Senior Managing Director, General Manager of Administration Division, the Company (current) Sep 2025 Director, E-CAST INDUSTRIES SDN. BHD. (current)
1965-09-18
Tomokazu SASAKI
Director
Apr 1994 Joined Nagase & Co., Ltd. Apr 2000 Joined Sasaki Chemical Co., Ltd. Oct 2006 Representative Director, Sasaki Chemical Co., Ltd. (current) Jun 2015 Director, the Company (current) Jul 2021 Representative Director, Kyoto Prototype Net General Incorporated Association (current)
1972-01-24
Akihiko SUZUKI
Director
Apr 1982 Joined Kaga Electronics Co., Ltd. Apr 1988 Branch Manager, Kansai Sales Office, Kaga Electronics Co., Ltd. Feb 1993 Established Nexton Co., Ltd.; Representative Director (current) Oct 2000 Established Forte Tech Co., Ltd.; Representative Director (current) Jun 2003 Chairman, Computer Software Ethics Organization General Incorporated Association (current) Jan 2018 Outside Audit & Supervisory Board Member, Gokendo Co., Ltd. (now Gokendo Holdings Co., Ltd.) (current) Aug 2021 Established S-Corporation Co., Ltd. through company split from Nexton Co., Ltd.; Representative Director (current) Jun 2022 Director, the Company (current)
1959-07-04
Akira TAKAHASHI
Full-time Audit & Supervisory Board Member
Apr 1991 Joined Daiwa Securities Co., Ltd. Feb 2017 Joined Okutsu Certified Public Accountants Joint Office Aug 2021 Director, Green Takahashi Garden Co., Ltd. (current) Jun 2023 Full-time Audit & Supervisory Board Member, the Company (current)
1967-06-11
Atsushi ONUKI
Audit & Supervisory Board Member
Oct 1990 Joined Deloitte Touche Tohmatsu (Certified Public Accountants) Jan 2001 Joined TNP Partners Co., Ltd. Jan 2002 Established Atsushi Onuki Certified Public Accountant Office Jan 2003 Seconded to Shiko Co., Ltd.; Director, Shiko Co., Ltd. Oct 2003 Audit & Supervisory Board Member, Nippon Sports Vision Co., Ltd. Mar 2004 Managing Director, General Manager of Administration Department, Shiko Co., Ltd. Apr 2004 Director, Shanghai Shiko Electronics Co., Ltd.; Director, Shiko (Electric) Co., Ltd.; Director, Shiko Electric (Hong Kong) Co., Ltd. Jun 2006 Audit & Supervisory Board Member, Ubiquitous AI Corporation Co., Ltd. Sep 2009 Established E&M Certified Tax Accountants Corporation; Representative Partner (current) Oct 2009 Audit & Supervisory Board Member, Ibaraki Giken Co., Ltd. Sep 2010 Audit & Supervisory Board Member, TNP Partners Co., Ltd. Oct 2014 Audit & Supervisory Board Member, Renaissance Co., Ltd. Apr 2018 General Manager, President's Office, Tsukuba Seiko Co., Ltd. Apr 2018 Representative Director, PM&C Co., Ltd. Apr 2019 Audit & Supervisory Board Member, the Company (current) May 2019 Audit & Supervisory Board Member, Neoprecision Therapeutics Co., Ltd. (now NPT Co., Ltd.) Jan 2020 Representative Director, Shibaura Partners Co., Ltd. Dec 2020 Established Taizora Co., Ltd.; Representative Director (current) Jan 2021 Director and Executive Officer (CFO), NPT Co., Ltd. (current) Aug 2024 Representative Director, Hikari to Kaze to Mizu to Co., Ltd. (current)
1968-09-07
Rentaro TAKAYASU
Audit & Supervisory Board Member
Apr 1992 Joined Mitsubishi Motors Corporation (now Mitsubishi Fuso Truck and Bus Corporation) Mar 1993 Joined Ryuosha Co., Ltd. Jan 2007 Joined Deloitte Touche Tohmatsu (now Deloitte Touche Tohmatsu LLC) Jun 2011 Joined Mizuho Investors Securities Co., Ltd. (now Mizuho Securities Co., Ltd.) Jul 2019 Established R&Company Co., Ltd.; Representative Director (current) Nov 2020 Audit & Supervisory Board Member, MakeHouse Co., Ltd. Feb 2021 Established Ignis Partners Co., Ltd. (formerly iRiek. Co., Ltd.); Representative Director (current) Mar 2021 Established Wells Accounting Certified Tax Accountants Corporation (now Ignis Partners Certified Tax Accountants Corporation); Representative Partner (current) Jun 2021 Director, Shikino High-Tech Co., Ltd. (current) Jun 2021 Audit & Supervisory Board Member, the Company (current) Oct 2021 Audit & Supervisory Board Member, Geek Pictures Inc. (current) Aug 2022 Audit & Supervisory Board Member, Tech Ocean Co., Ltd. (current) Nov 2023 Audit & Supervisory Board Member, Ainection Co., Ltd. (now Ainec Co., Ltd.) (current) Oct 2024 Audit & Supervisory Board Member, Think Nature Co., Ltd. (current)
1972-01-30
Large Shareholding Reports
Development Bank of Japan Inc.
2026-05-12
9.18%
Disclosures
No disclosures
Primary Source Filings
TDnet
2026-08-12
Q1 Earnings Flash
FY ending Mar 2027
EDINET
2026-06-25
Annual Securities Report
Period: Apr 2025 – Mar 2026
EDINET
2026-05-12
Large Shareholding Report
TDnet
2026-02-13
Q3 Earnings Flash
FY ending Mar 2026
EDINET
2025-11-13
Semi-Annual Securities Report
Period: Apr 2025 – Mar 2026
TDnet
2025-08-08
Q1 Earnings Flash
FY ending Mar 2026
EDINET
2025-06-25
Annual Securities Report
Period: Apr 2024 – Mar 2025
TDnet
2025-02-13
Q3 Earnings Flash
FY ending Mar 2025
EDINET
2024-11-13
Semi-Annual Securities Report
Period: Apr 2024 – Mar 2025
TDnet
2024-08-07
Q1 Earnings Flash
FY ending Mar 2025
EDINETAmended
2024-07-18
Amended Annual Securities Report
Period: Apr 2023 – Mar 2024
EDINET
2024-06-26
Annual Securities Report
Period: Apr 2023 – Mar 2024
EDINETAmended
2024-03-12
Amended Securities Registration Statement
EDINETAmended
2024-03-04
Amended Securities Registration Statement
EDINET
2024-02-20
Securities Registration Statement
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