Overview
Retail Trade

Mammy Mart Holdings Corporation

Mummy Mart Holdings (formerly Mummy Mart Co., Ltd.) operates a supermarket chain primarily in Saitama and Chiba prefectures, offering fresh produce, general groceries, and daily necessities. The group vertically integrates its operations through subsidiary Saiyū Foods Co., Ltd., which handles fresh food processing, and Mummy Service Co., Ltd., which provides in-store cleaning/facility management as well as hot spring bath and funeral services. The company transitioned to a holding company structure in October 2025, with annual sales having surpassed JPY 100 billion.

Market Cap
¥46.8B
US$298M
EV
¥70.3B
US$448M
Stock¥934▲+0.54%
US$1 = ¥156.80 (2026-10-23)
LTM EV/EBITDA
6.5
x
LTM EV/EBIT
10.4
x
LTM PER
8.7
x
LTM PBR
1.0
x
Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-59.6%pt
1001234
Oct 24, 25 – Oct 23, 26StockTOPIX
1Nov 14, 25Q2 earnings release with guidance cut
2Nov 17, 25Enhanced shareholder return policy
3Jan 19, 26Share buyback announced 5bn yen
4Mar 12, 26Q3 earnings with margin deterioration
MC → EV Bridge
46.8BUS$298MMarket Cap26.9BUS$172M+ Debt2.54BUS$16.2M− Cash0.82BUS$5.22M− Inv. Sec.70.3BUS$448MEV
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Performance & Balance
Revenue 5Y (¥B)
135US$863M'21/9133US$848M'22/9145US$925M'23/9161US$1.03B'24/9194US$1.24B'25/9
EBITDA 5Y (¥B)
7.79US$49.7M'21/96.98US$44.5M'22/98.12US$51.8M'23/98.95US$57.1M'24/910.0US$63.9M'25/9
Net Income 5Y (¥B)
3.93US$25.1M'21/93.42US$21.8M'22/94.31US$27.5M'23/94.73US$30.2M'24/95.25US$33.5M'25/9
Capital Structure
63%
37%
EquityD/E 0.58xDebt
Liquidity vs Debt 5Y (¥B)▼ Net Debt
CashInv. Sec.Debt
3.47US$22.1M9.68US$61.7M'21/93.05US$19.4M10.9US$69.7M'22/97.24US$46.2M5.33US$34.0M'23/93.00US$19.1M14.5US$92.2M'24/93.04US$19.4M19.9US$127M'25/9
Shareholders
Top 10 hold 74.8%
1
Live Core Co., Ltd.
32.47%
2
SUMITOMO CORPORATION (SUMITOMO SHOJI KAISHA,LTD.)
21.63%
3
Mammymart Kyoei-kai
7.95%
4
Sai Co., Ltd.
3.89%
5
Nippon Life Insurance Company (Standing Proxy: The Master Trust Bank of Japan, Ltd.)
1.78%
6
Mammy Mart Holdings Corporation Employee Stock Ownership Association
1.72%
7
KOKUBU GROUP CORP.
1.60%
8
Iwasaki Management Research Institute Ltd.
1.42%
9
THE TOWA BANK,LTD.
1.21%
10
CGC Japan Co., Ltd.
1.10%
Management
14 officers
Hirofumi IWASAKI
Representative Director, President
Oct 1998 Joined the Company Dec 1998 Director Jan 1999 Director, Deputy Head of Sales Division Apr 2001 Director, General Manager of General Planning Office Apr 2002 Managing Director, General Manager of Management Planning Office Oct 2002 Managing Director, General Manager of Administration Division Oct 2003 Managing Director, Head of Sales Division Oct 2006 Managing Director, Head of Business Management Division Dec 2006 Representative Director, Executive Vice President, Head of Business Management Division Dec 2008 Representative Director, President (current) Oct 2025 Representative Director, President, Mammymart Co., Ltd. (current)
1972-01-26
Norio SHIBA
Director, Executive Vice President and Executive Officer, Head of Operations Division; Representative Director and Chairman, Saiyu Foods Co., Ltd.
May 2003 Joined the Company Dec 2003 Director, General Manager of Sales Division Jul 2008 Director, Head of Administration Division Apr 2010 Director, General Manager of First Merchandise Division Aug 2012 President and Representative Director, Saiyu Foods Co., Ltd.; Director of the Company Dec 2012 Managing Director Apr 2015 Managing Director, Assistant to the President, in charge of fresh food strengthening Dec 2015 Senior Managing Director Oct 2017 Director, Executive Vice President and Executive Officer, Head of Sales Division Oct 2017 Chairman and Representative Director, Saiyu Foods Co., Ltd. (current) Aug 2024 Director, Executive Vice President and Executive Officer, Head of Administration Division Oct 2025 Director, Executive Vice President and Executive Officer, Head of Operations Division (current) Oct 2025 Director, Executive Vice President and Executive Officer, Head of Administration Division, Mammymart Co., Ltd.; Chairman and Representative Director, Saiyu Foods Co., Ltd. (current)
1950-09-03
Shigeru AOKI
Managing Director and Executive Officer
Apr 1997 Joined the Company Oct 2006 General Manager of Business Planning Office Jan 2014 Executive Officer, General Manager of General Planning Office Dec 2015 Director and Executive Officer, General Manager of Enjoy Life Promotion Office Oct 2017 Director and Executive Officer, General Manager of Sales Strategy Office; in charge of Human Resources and Information Systems Departments Dec 2018 Director and Executive Officer, General Manager of Sales Strategy Office; in charge of Information Systems Department Dec 2019 Director and Executive Officer, General Manager of General Planning Office and Sales Strategy Office Dec 2022 Managing Director and Executive Officer, General Manager of General Planning Office and Sales Strategy Office Sep 2023 Managing Director and Executive Officer, General Manager of Sales Strategy Office; in charge of General Planning Office Aug 2024 Managing Director and Executive Officer, Head of Sales Division Oct 2025 Managing Director and Executive Officer (current) Oct 2025 Managing Director and Executive Officer, Head of Sales Division, Mammymart Co., Ltd. (current)
1974-07-16
Hiroki KOBADA
Managing Director and Executive Officer
Nov 2017 Joined the Company Feb 2018 Project Leader, Freshness Management Operation Build-up Project Oct 2018 Deputy Head of Sales Division and Project Leader, Freshness Management Operation Build-up Project Jan 2019 Executive Officer, Deputy Head of Sales Division and Project Leader, Freshness Management Operation Build-up Project Feb 2019 Executive Officer, Head of Sales Division and General Manager of Operation Build-up Office Oct 2019 Executive Officer, Head of Sales Division Dec 2019 Director and Executive Officer, Head of Sales Division; in charge of Information Systems Department Dec 2022 Managing Director and Executive Officer, Head of Sales Division; in charge of Information Systems Department Aug 2024 Managing Director and Executive Officer, Head of Sales Division Oct 2025 Managing Director and Executive Officer (current) Oct 2025 Managing Director and Executive Officer, Head of Sales Division, Mammymart Co., Ltd. (current)
1970-01-02
Osamu HARA
Director and Executive Officer, Head of Human Resources Department
Apr 1994 Joined the Company Oct 2006 General Manager of Grocery Department, Merchandise Division Apr 2010 General Manager of Grocery Department, Second Merchandise Division Sep 2014 General Manager of Human Resources Department Jan 2018 Executive Officer, General Manager of Human Resources Department Dec 2018 Director and Executive Officer, General Manager of Human Resources Department (current) Oct 2025 Director and Executive Officer, General Manager of Human Resources Department, Mammymart Co., Ltd. (current)
1971-10-07
Daisuke SHIMIZU
Director and Executive Officer
Nov 1996 Joined the Company Jan 2008 General Manager of Vegetables Department, Merchandise Division Jul 2018 General Manager of Grocery Department No. 2, Merchandise Division Sep 2019 General Manager of New Format Division Jan 2021 Executive Officer, General Manager of New Format Division Oct 2022 Executive Officer, General Manager of TOP! Division Dec 2022 Director and Executive Officer, General Manager of TOP! Division Aug 2024 Director and Executive Officer, General Manager of TOP! Division and Mammymart Division Aug 2025 Director and Executive Officer, General Manager of TOP! Division Oct 2025 Director and Executive Officer (current) Oct 2025 Director and Executive Officer, General Manager of TOP! Division, Mammymart Co., Ltd. (current)
1971-09-03
Hiroshi WAKABAYASHI
Director and Executive Officer, Head of Corporate Management Audit Division
Apr 1989 Joined Sumitomo Corporation Apr 2000 Assistant Manager, Osaka Apparel Department No. 2, Textile Division, Sumitomo Corporation May 2003 Assistant to Head of Textile Division (Textile Planning), Sumitomo Corporation Apr 2004 Manager, General Affairs and Human Resources Team, Sumisho Textile Co., Ltd. Apr 2007 Manager, Tokyo General Affairs and Human Resources Team, Sumitex International Co., Ltd. Apr 2010 Assistant Manager, Osaka Textile Department, Kansai Block, Sumitomo Corporation Jun 2011 General Manager of General Affairs, Sumisho Montblanc Co., Ltd. Aug 2013 Director, Head of Administration Division and General Manager of General Affairs, Sumisho Montblanc Co., Ltd. Sep 2019 Assistant Manager, Retail Business Department No. 2, Lifestyle & Retail Division, Sumitomo Corporation Feb 2021 Joined the Company; Senior Manager, General Planning Office Sep 2021 Deputy General Manager, Corporate Management Audit Division Dec 2021 Director and Executive Officer, General Manager of Corporate Management Audit Division; in charge of Finance Department Aug 2024 Director and Executive Officer, General Manager of Corporate Management Audit Division (current) Oct 2025 Director and Executive Officer, General Manager of Corporate Management Audit Division, Mammymart Co., Ltd. (current)
1966-05-10
Kazuaki HIGASHINO
Outside Director
Apr 2006 Joined Sumitomo Corporation Apr 2008 Summit Co., Ltd. and Summit Colmo Co., Ltd., Sumitomo Corporation Jun 2011 Sumitomo Corporation (China), Media & Lifestyle Business Division Apr 2014 Retail & Wellness Business Division, Sumitomo Corporation Jul 2014 Reform Promotion Office, Summit Co., Ltd. Jan 2015 Retail & Wellness Business Division, Sumitomo Corporation Apr 2018 Assistant to General Manager, Healthcare Business Division, Sumitomo Corporation Mar 2019 Outside Director, CHCP Pharmacy Co., Ltd. Apr 2023 Team Leader, Domestic Retail Team, Domestic Retail Unit, Sumitomo Corporation Dec 2023 Outside Director of the Company (current) Apr 2025 General Manager, Domestic Retail Unit, Sumitomo Corporation (current)
1983-12-28
Mihoko NAGAI
Outside Director
Apr 1988 Joined Shiseido Company, Limited Oct 1998 Beauty Science Laboratory, Shiseido Company, Limited Oct 2009 Manager and Group Leader, Corporate Communications Section, Public Relations Department, Shiseido Company, Limited Apr 2015 General Manager, Corporate Communications Division, Shiseido Company, Limited Sep 2017 Resigned from Shiseido Company, Limited Jul 2019 Director and Secretary General, Japan Humanitude Society (General Incorporated Association) Dec 2019 Outside Director of the Company (current) Jun 2022 Outside Director, Syncro Food Co., Ltd. (current) Mar 2024 Outside Corporate Auditor, Broadleaf Co., Ltd. (current) Jul 2024 Director, Japan Humanitude Society (General Incorporated Association)
1966-02-03
Yoshimi YANAGI
Outside Director
Apr 1983 Joined Mos Food Services, Inc. Mar 2010 Executive Officer, General Manager of Sales Division, Mos Food Services, Inc. Jun 2010 Director, Mos Food Services, Inc. Jun 2020 Resigned from Mos Food Services, Inc. Dec 2023 Outside Director of the Company (current)
1960-08-28
Kazuhiro ISHIGURO
Full-time Corporate Auditor
Apr 1985 Joined Iwasaki Shoji Co., Ltd. (now Mammymart Co., Ltd.) Dec 2007 Director, General Manager of Vegetables Department, Merchandise Division Sep 2008 Director, Leader of Store Revitalization Project Nov 2013 Director, General Manager of First Merchandise Division Feb 2014 Director and Executive Officer, General Manager of First Merchandise Division; Director and Executive Officer, General Manager of Enjoy Life Promotion Office Dec 2015 Full-time Corporate Auditor (current)
1962-10-03
Yoshi SASE
Outside Corporate Auditor
Apr 1984 Entered Legal Training and Research Institute Mar 1986 Completed Legal Training and Research Institute Apr 1986 Registered as Attorney-at-Law Dec 2008 Outside Corporate Auditor of the Company (current)
1951-08-16
Atsuhiro IWASAKI
Outside Corporate Auditor
Apr 1998 Joined Tanaka Certified Tax Accountant Office Oct 1999 Joined Iwasaki Management Research Institute Co., Ltd. Jul 2000 Registered as Certified Tax Accountant Aug 2014 Representative Director, Iwasaki Management Research Institute Co., Ltd. (current) Dec 2016 Outside Corporate Auditor of the Company (current) Jun 2019 Outside Director, Central Sports Co., Ltd. (current)
1970-01-07
Motohiro IKEHARA
Outside Corporate Auditor
Apr 2000 Registered as Attorney-at-Law (Tokyo Bar Association); joined Yanagida Nomura Law Office (now Yanagida International Law Office) Oct 2006 Joined City-Yuwa Partners Jun 2007 Registered as Attorney-at-Law, New York State Sep 2009 Joined Nomura Sogo Law Office Jan 2014 Partner, Nomura Sogo Law Office (current) Jun 2016 Outside Director, Nissin Sugar Co., Ltd. (now Wellneo Sugar Co., Ltd.) Jun 2019 Outside Director, Ekitan Co., Ltd. Dec 2024 Outside Corporate Auditor of the Company (current) May 2025 Outside Corporate Auditor, Redcliff Co., Ltd. (current) Jun 2025 Outside Corporate Auditor, The Higashi-Nippon Bank, Limited (current)
1974-09-09
Large Shareholding Reports
No filings
Disclosures
No disclosures
Primary Source Filings
TDnet
2026-08-07
Q3 Earnings Flash
FY ending Sep 2026
EDINET
2026-05-15
Semi-Annual Securities Report
Period: Oct 2025 – Sep 2026
TDnet
2026-02-13
Q1 Earnings Flash
FY ending Sep 2026
EDINET
2025-12-18
Annual Securities Report
Period: Oct 2024 – Sep 2025
TDnet
2025-08-08
Q3 Earnings Flash
FY ending Sep 2025
EDINET
2025-05-09
Semi-Annual Securities Report
Period: Oct 2024 – Sep 2025
TDnet
2025-02-14
Q1 Earnings Flash
FY ending Sep 2025
EDINET
2024-12-20
Annual Securities Report
Period: Oct 2023 – Sep 2024
EDINET
2024-05-10
Quarterly Securities Report
Period: Jan 2024 – Mar 2024
EDINET
2024-02-09
Quarterly Securities Report
Period: Oct 2023 – Dec 2023
EDINET
2023-12-22
Annual Securities Report
Period: Oct 2022 – Sep 2023
EDINET
2023-08-10
Quarterly Securities Report
Period: Apr 2023 – Jun 2023
EDINET
2023-05-12
Quarterly Securities Report
Period: Oct 2022 – Mar 2023
EDINET
2023-02-10
Quarterly Securities Report
Period: Oct 2022 – Dec 2022
EDINET
2022-12-16
Annual Securities Report
EDINET
2022-08-12
Quarterly Securities Report
EDINET
2022-05-13
Quarterly Securities Report
EDINET
2022-02-14
Quarterly Securities Report
EDINET
2021-12-17
Annual Securities Report
EDINET
2021-08-11
Quarterly Securities Report
EDINET
2021-05-14
Quarterly Securities Report
EDINET
2021-02-12
Quarterly Securities Report
EDINET
2020-05-15
Quarterly Securities Report
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