Overview
Chemicals

Showa Chemical Industry Co.,Ltd.

Showa Chemical Industry is a pioneer in filtration aids, diatomite, and perlite, engaged in resource mining, development, manufacturing, and research since 1933. The company's core business encompasses the production and sale of diatomite and perlite-based products including filtration aids, building materials, fillers, and chemical products, as well as IT infrastructure maintenance services and contract firing. The company has also developed proprietary products such as 'HardLite,' an inorganic hollow balloon made from domestic perlite and shirasu volcanic materials, offering stable supply and superior heat resistance as an alternative to fly ash balloons.

Market Cap
¥5.44B
US$34.7M
EV
¥-0.78B
-US$4.98M
Stock¥511▼-1.73%
US$1 = ¥157.05 (2026-10-22)
LTM EV/EBITDA
NM
LTM EV/EBIT
NM
LTM PER
9.0
x
LTM PBR
0.5
x
2026-08-25 closing price basis: ranked #91 in beluuga.ai's "Japanese listed companies with negative Enterprise Value" ranking (simplified EV ≈ ¥-9B).
Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-18.2%pt
100
Oct 23, 25 – Oct 23, 26StockTOPIX
MC → EV Bridge
5.44BUS$34.7MMarket Cap2.08BUS$13.2M+ Debt2.60BUS$16.6M− Cash5.70BUS$36.3M− Inv. Sec.-0.78B-US$4.98MEV
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Performance & Balance
Revenue 5Y (¥B)
7.78US$49.5M'22/39.23US$58.7M'23/39.20US$58.6M'24/39.24US$58.8M'25/39.27US$59.0M'26/3
EBITDA 5Y (¥B)
0.59US$3.78M'22/30.88US$5.60M'23/30.75US$4.79M'24/30.60US$3.83M'25/30.72US$4.61M'26/3
Net Income 5Y (¥B)
0.35US$2.20M'22/30.62US$3.92M'23/30.58US$3.72M'24/30.41US$2.62M'25/30.62US$3.97M'26/3
Capital Structure
83%
EquityD/E 0.21xDebt
Liquidity vs Debt 5Y (¥B)▲ Net Cash
CashInv. Sec.Debt
6.04US$38.5M4.17US$26.6M'22/35.92US$37.7M3.64US$23.2M'23/36.61US$42.1M3.21US$20.5M'24/36.88US$43.8M2.75US$17.5M'25/37.85US$50.0M2.28US$14.5M'26/3
Shareholders
Top 10 hold 65.0%
1
Sigma Co., Ltd.
17.63%
2
Kenzo ISHIBASHI
12.91%
3
Ishibashi Scholarship Foundation (Public Interest Incorporated Foundation)
9.10%
4
Asahi Mutual Life Insurance Company
6.99%
5
Showa Chemical Industry Co.,Ltd. Business Partners' Stock Ownership Association
4.91%
6
Shirayama Kogyo Co., Ltd.
3.11%
7
Sumitomo Mitsui Banking Corporation
3.09%
8
Keiko ISHIBASHI
2.88%
9
KITAZAWA SANGYO CO.,LTD.
2.32%
10
The Hokuriku Bank, Ltd.
2.10%
Management
6 officers
Kenzo ISHIBASHI
Representative Director, President
Jun 1997 Joined ORIX USA Corporation Jul 1998 Joined the Company Apr 1999 General Manager, Management Planning Office Jun 2000 Director Oct 2001 Managing Director; General Manager, Production Division and General Manager, Management Planning Office Mar 2003 Representative Director, President (current) Mar 2005 Representative Director, President, Shirayama Kogyo Co., Ltd. (current) Mar 2010 Representative Director, President, Nisshō Co., Ltd. (current) Jun 2010 Outside Director, Obex Corporation (current) Sep 2010 Executive Director, Beijing Ruilaite Trading Co., Ltd. (current) Oct 2025 Director, Ruilaite (Dalian) Engineering Technology Co., Ltd. (current)
1968-11-09
Kaoru TAGO
Senior Managing Director
Apr 1978 Joined Onoda Cement Co., Ltd. (now Taiheiyo Cement Corporation) Dec 2009 Joined the Company; General Manager, Management Planning Office Jul 2010 General Manager, Management Planning Office and Division Manager, Overseas Sales Division Jun 2011 Director; General Manager, Management Planning Office and Division Manager, Overseas Sales Division Aug 2011 Director; General Manager, Management Planning Office Apr 2015 Director; General Manager, Technology Development Promotion Division Jun 2017 Senior Managing Director; General Manager, Technology Development Promotion Division Apr 2025 Senior Managing Director (current)
1955-08-04
Gaku SASAMOTO
Director, General Manager, Management Administration Division
Apr 1993 Joined the Company Jul 2019 General Manager, General Affairs and Planning Division (now Management Administration Division) Jun 2024 Director, General Manager, Management Administration Division (current)
1970-11-01
Hajime KOSEKI
Director (Audit and Supervisory Committee Member)
Mar 1984 Joined the Company Apr 2009 General Manager, Internal Audit Office Jun 2012 Audit & Supervisory Board Member Jun 2016 Director (Audit and Supervisory Committee Member) (current)
1960-09-22
Fumishige NAMIMITSU
Director (Audit and Supervisory Committee Member)
Apr 1998 Registered as Certified Public Accountant Oct 2000 Representative Partner, Aoyama Trust Tax Corporation (now Reson Partners Tax Corporation) (current) Jun 2004 Audit & Supervisory Board Member Jun 2016 Director (Audit and Supervisory Committee Member) (current)
1969-09-05
Sonosuke KAMIYA
Director (Audit and Supervisory Committee Member)
Nov 1996 Passed the National Bar Examination Apr 1999 Registered as Attorney-at-Law (Tokyo Bar Association) Jan 2005 Registered as Attorney in the State of New York Jan 2007 Head, Kamiya Law Office (current) Jun 2015 Director Jun 2016 Director (Audit and Supervisory Committee Member) (current)
1974-06-25
Large Shareholding Reports
Sigma Co., Ltd.
2026-07-10
16.18%→16.18%
Annual report (as of 2026-03-31): 17.63%
Disclosures
No disclosures
Primary Source Filings
TDnet
2026-08-14
Q1 Earnings Flash
FY ending Mar 2027
EDINET
2026-07-10
Large Shareholding Report
EDINET
2026-06-24
Annual Securities Report
Period: Apr 2025 – Mar 2026
TDnet
2026-02-13
Q3 Earnings Flash
FY ending Mar 2026
EDINET
2025-11-14
Semi-Annual Securities Report
Period: Apr 2025 – Mar 2026
EDINETAmended
2025-11-14
Amended Semi-Annual Securities Report
Period: Apr 2024 – Mar 2025
TDnet
2025-08-14
Q1 Earnings Flash
FY ending Mar 2026
EDINET
2025-06-25
Annual Securities Report
Period: Apr 2024 – Mar 2025
TDnet
2025-02-14
Q3 Earnings Flash
FY ending Mar 2025
EDINET
2024-11-14
Semi-Annual Securities Report
Period: Apr 2024 – Mar 2025
TDnet
2024-08-14
Q1 Earnings Flash
FY ending Mar 2025
EDINET
2024-06-28
Annual Securities Report
Period: Apr 2023 – Mar 2024
EDINET
2024-02-14
Quarterly Securities Report
Period: Oct 2023 – Dec 2023
EDINET
2023-11-14
Quarterly Securities Report
Period: Jul 2023 – Sep 2023
EDINET
2023-08-14
Quarterly Securities Report
Period: Apr 2023 – Jun 2023
EDINET
2023-06-30
Annual Securities Report
Period: Apr 2022 – Mar 2023
EDINET
2023-02-14
Quarterly Securities Report
Period: Oct 2022 – Dec 2022
EDINET
2022-11-14
Quarterly Securities Report
EDINET
2022-08-15
Quarterly Securities Report
EDINET
2022-06-30
Annual Securities Report
EDINET
2022-02-14
Quarterly Securities Report
EDINET
2021-11-15
Quarterly Securities Report
EDINET
2021-08-16
Quarterly Securities Report
EDINET
2021-06-30
Annual Securities Report
EDINET
2021-02-15
Quarterly Securities Report
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