Overview
Wholesale Trade

THE YONKYU CO.,LTD.

Yonkyu Co., Ltd. is an Ehime-based integrated seafood company primarily engaged in the wholesale of fresh fish (including farmed sea bream, yellowtail, and processed products), as well as the sale of feed and bait to aquaculture operators across Japan. The company also operates tuna and eel aquaculture businesses through group subsidiaries, and distributes fingerlings and artificially hatched juvenile fish to aquaculture farmers. Its vertically integrated model—spanning feed supply, aquaculture, processing, and wholesale distribution to central wholesale markets nationwide—underpins its competitive position in the Japanese aquaculture supply chain.

Market Cap
¥32.4B
US$207M
EV
¥5.31B
US$33.9M
Stock¥2,647▼-0.30%
US$1 = ¥156.80 (2026-10-23)
LTM EV/EBITDA
1.9
x
LTM EV/EBIT
2.4
x
LTM PER
8.0
x
LTM PBR
0.8
x
Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-23.6%pt
100
Oct 24, 25 – Oct 23, 26StockTOPIX
MC → EV Bridge
32.4BUS$207MMarket Cap6.64BUS$42.4M+ Debt24.3BUS$155M− Cash9.52BUS$60.7M− Inv. Sec.0.00BUS$0.03M+ NCI5.31BUS$33.9MEV
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Performance & Balance
Revenue 5Y (¥B)
35.2US$225M'22/340.2US$257M'23/345.1US$288M'24/344.9US$286M'25/347.7US$304M'26/3
EBITDA 5Y (¥B)
3.15US$20.1M'22/33.25US$20.8M'23/32.49US$15.9M'24/32.20US$14.1M'25/3
Net Income 5Y (¥B)
2.00US$12.7M'22/32.31US$14.7M'23/31.63US$10.4M'24/31.42US$9.02M'25/33.78US$24.1M'26/3
Capital Structure
86%
EquityD/E 0.16xDebt
Liquidity vs Debt 5Y (¥B)▲ Net Cash
CashInv. Sec.Debt
28.5US$182M6.34US$40.5M'22/331.1US$199M6.77US$43.2M'23/330.9US$197M7.27US$46.4M'24/332.6US$208M7.28US$46.4M'25/335.1US$224M6.71US$42.8M'26/3
Shareholders
Top 10 hold 60.2%
1
Office FRM Ltd.
11.02%
2
Akemi KASAOKA
7.52%
3
Shinichi KASAOKA
6.83%
4
Hiromi TAKEUCHI
6.80%
5
Shinsei Ltd.
5.94%
6
Kozo KASAOKA
5.38%
7
The Iyo Bank, Ltd.
4.68%
8
The Ehime Bank,Ltd.
4.68%
9
THE KAGAWA BANK, LTD.
4.08%
10
TSUKIJI UOICHIBA COMPANY,LIMITED
3.30%
Management
14 officers
Kozo KASAOKA
Representative Director, President
Apr 1980 Joined Shikoku Kyusoku Reito Co., Ltd. (now Yonkyu Co., Ltd.) Sep 1982 Appointed Director, Shikoku Kyusoku Reito Co., Ltd. Dec 1988 Appointed Director, Shikoku Suisan Co., Ltd. Sep 1989 Appointed Director, Shikoku Ryoryo Hanbai Co., Ltd. Mar 1990 Appointed Audit & Supervisory Board Member, Shikyu Unyu Co., Ltd. May 1990 Appointed Director, Shikyu Unyu Co., Ltd. Jun 1992 Appointed Managing Director, the Company Jun 2004 Appointed Representative Director, Senior Managing Director, the Company Sep 2006 Resigned as Representative Director, Senior Managing Director, the Company Sep 2006 Representative Director, President, Kaishou Co., Ltd. Jun 2011 Resigned as Representative Director, Kaishou Co., Ltd.; appointed Director (current) Jun 2011 Appointed Senior Managing Director, the Company Jul 2011 Appointed Representative Director, President, the Company (current)
1959-10-06
Shigeki KASAOKA
Director, Senior Advisor
Apr 1967 Joined Shikoku Kyusoku Reito Co., Ltd. (now Yonkyu Co., Ltd.) Oct 1968 Appointed Director, Shikoku Kyusoku Reito Co., Ltd. Aug 1978 Appointed Director, Shikoku Suisan Co., Ltd. Jan 1979 Appointed Director, Shikoku Ryoryo Hanbai Co., Ltd. Jul 1981 Appointed Representative Director, Senior Managing Director, the Company Mar 1990 Appointed Representative Director, President, Shikyu Unyu Co., Ltd. Jun 1995 Appointed Director, Shikyu Unyu Co., Ltd. Jun 1995 Appointed Representative Director, President, Shikyu Unyu Co., Ltd. Jun 2004 Appointed Representative Director, Vice Chairman, the Company Jun 2007 Appointed Representative Director, Chairman, the Company Jun 2009 Resigned as Representative Director, Chairman, the Company Jun 2011 Appointed Director, the Company Jul 2011 Appointed Director, Senior Advisor, the Company (current) Sep 2012 Appointed Representative Director, President, Nishinihon Yoman Co., Ltd. (current)
1944-11-26
Toshio SHIMIZU
Senior Managing Director
Apr 1976 Joined Iyo Bank, Ltd. Aug 2006 Deputy General Manager, Human Resources Department, Iyo Bank, Ltd. Mar 2007 Seconded to the Company; appointed General Manager, Internal Audit Office Aug 2008 Appointed General Manager, Accounting Department Jun 2009 Retired from Iyo Bank, Ltd. Jun 2009 Appointed Director, the Company, in charge of Accounting Department Nov 2010 Appointed Managing Director, the Company; relieved of Accounting Department duties Sep 2012 Appointed Director, Nishinihon Yoman Co., Ltd. (current) Jun 2016 Appointed Senior Managing Director, the Company (current)
1952-07-28
Kozo UMEDA
Managing Director
Oct 1993 Joined the Company Sep 2006 Joined Kaishou Co., Ltd.; appointed Director Jun 2011 Appointed Representative Director, President, Kaishou Co., Ltd. (current) Jul 2011 Joined the Company; appointed General Manager, Sales Department 1 Jan 2013 Appointed Executive Officer, the Company, in charge of Sales Department 1 Sep 2013 Appointed Executive Officer, the Company; in charge of Sales Department 1 and General Manager, Feed Department Jun 2015 Appointed Director, the Company; in charge of Sales Department 1 and General Manager, Feed Department Jun 2016 Appointed Managing Director, the Company; in charge of Sales Department 1 and General Manager, Feed Department Jul 2019 Managing Director, the Company (current)
1962-12-18
Hideho TAKAGAWA
Director
Apr 1965 Joined Iyo Bank, Ltd. Feb 2001 Deputy General Manager, Credit Examination Department 1, Iyo Bank, Ltd. Mar 2001 Retired from Iyo Bank, Ltd. Apr 2001 Joined Uwajima Shinkin Bank as General Manager, General Affairs Department Jun 2001 Appointed Managing Director, Uwajima Shinkin Bank Jul 2002 Appointed Senior Managing Director, Uwajima Shinkin Bank Jun 2006 Appointed President, Uwajima Shinkin Bank Jun 2012 Appointed Chairman (part-time), Uwajima Shinkin Bank Jun 2014 Appointed Senior Advisor (part-time), Uwajima Shinkin Bank Jun 2014 Appointed Director (non-executive), the Company (current) Jun 2018 Appointed Director (part-time), Uwajima Shinkin Bank
1946-06-08
Ryo HIROSE
Director
Apr 1977 Joined Ehime Prefectural Government Mar 2005 Retired from Ehime Prefectural Government Apr 2005 Advisor, Uwajima Jidosha Co., Ltd. May 2005 Appointed Representative Director, President, Uwajima Jidosha Co., Ltd. May 2005 Appointed Vice President, Ehime Prefecture Bus Association (current) Nov 2010 Appointed Chairman, Uwajima Chamber of Commerce and Industry Jun 2015 Appointed President, Ehime Prefecture Business Owners' Association May 2017 Appointed Representative Director, Chairman, Uwajima Jidosha Co., Ltd. (current) Jun 2017 Appointed Director (non-executive), the Company (current)
1950-06-19
Osamu UTSUNOMIYA
Director, General Manager, General Affairs Department
Apr 1982 Joined Iyo Bank, Ltd. Feb 2010 General Manager, Hiyoshi Branch, Iyo Bank, Ltd. Aug 2012 Seconded to the Company; appointed General Manager, General Affairs Department Jun 2019 Retired from Iyo Bank, Ltd. Jun 2019 Appointed Director, the Company; in charge of General Affairs Department (current)
1959-06-30
Hiroki YAMAGUCHI
Director, General Manager, Internal Audit Office
Apr 1984 Joined Iyo Bank, Ltd. Aug 2015 Deputy General Manager, Market Sales Office, Iyo Bank, Ltd. Aug 2018 Seconded to the Company; appointed General Manager, Internal Audit Office Oct 2018 Appointed Director, Mogami Fresh Fish Co., Ltd. (current) Jun 2019 Seconded to the Company; appointed Executive Officer and General Manager, Internal Audit Office Jun 2021 Retired from Iyo Bank, Ltd. Jun 2021 Executive Officer and General Manager, Internal Audit Office, the Company Jun 2022 Appointed Director, the Company; in charge of Internal Audit Office (current)
1961-06-23
Koji SOTOWA
Director
Apr 1990 Joined Nichiro Corporation Apr 2004 Assigned to London Representative Office, Nichiro Corporation Apr 2015 Deputy General Manager, Frozen Fish Processing Section 2, Division 1, Seafood Trading Unit, Maruha Nichiro Corporation (now Umios, Inc.) Apr 2020 General Manager, Division 1, Seafood Trading Unit, Umios, Inc. Apr 2025 Executive Officer, Head of Seafood Trading Unit, Umios, Inc. Apr 2026 Executive Officer, Head of Seafood Trading and Aquaculture Units, Umios, Inc. (current) Jun 2026 Appointed Director (non-executive), the Company (current)
1966-04-07
Akihiro MIZUNO
Director, General Manager, Feed Department
Apr 1997 Joined the Company Jul 2009 Section Manager, Feed Section, Feed Department, the Company Apr 2016 Deputy General Manager, Feed Department, the Company Jul 2019 General Manager, Feed Department, the Company Jan 2022 Executive Officer, General Manager, Feed Department, the Company Jun 2026 Appointed Director, the Company; in charge of Feed Department (current)
1975-02-02
Kazushi WAKAMATSU
Full-time Audit & Supervisory Board Member
Jun 1975 Joined Tsushima Agricultural Cooperative (now Ehime Minami Agricultural Cooperative) Apr 1999 General Manager, General Affairs Department, Ehime Minami Agricultural Cooperative Apr 2004 General Manager, Audit Office, Ehime Minami Agricultural Cooperative Jun 2010 Senior Managing Director (Representative Director), Ehime Minami Agricultural Cooperative Jun 2016 Retired as Senior Managing Director (Representative Director), Ehime Minami Agricultural Cooperative Jun 2018 Appointed Audit & Supervisory Board Member, Shikyu Unyu Co., Ltd. (current) Jun 2018 Appointed Full-time Audit & Supervisory Board Member, the Company (current)
1951-02-21
Yoshinao SUZUKI
Audit & Supervisory Board Member
Apr 1968 Joined Iyo Bank, Ltd. Jun 2002 General Manager, Mitsuhama Branch, Iyo Bank, Ltd. Feb 2005 General Manager, Regional Development Department, Iyo Bank, Ltd. Aug 2007 Seconded as Administrative Director, Heisei Neurosurgery Hospital, Matsuyama Heisei-kai Medical Corporation Sep 2009 Retired from Iyo Bank, Ltd. Jan 2011 Retired from Heisei Neurosurgery Hospital, Matsuyama Heisei-kai Medical Corporation Jun 2012 Appointed Audit & Supervisory Board Member (non-executive), the Company (current) Sep 2012 Appointed Audit & Supervisory Board Member, Nishinihon Yoman Co., Ltd. (current)
1949-09-24
Keiji SAKAI
Audit & Supervisory Board Member
Apr 1990 Opened Certified Tax Accountant Office (current) Aug 2006 Established Proactive Co., Ltd.; appointed Representative Director, President Jun 2011 Appointed Director, Shikoku Tax Accountants' Association Jun 2013 Appointed Managing Director, Shikoku Tax Accountants' Association Jun 2014 Appointed Audit & Supervisory Board Member (non-executive), the Company (current) Jun 2018 Appointed Audit & Supervisory Board Member, Kaishou Co., Ltd. (current) Jun 2021 Appointed Senior Managing Director, Shikoku Tax Accountants' Association
1958-10-25
Masahiro HINO
Audit & Supervisory Board Member
Apr 1977 Joined Iyo Bank, Ltd. Jul 2004 General Manager, Ehime Prefectural Government Branch, Iyo Bank, Ltd. Aug 2008 General Manager, Loan Management Department, Iyo Bank, Ltd. Feb 2010 Seconded as Secretary General, Nitta Gakuen School Corporation May 2013 Retired from Iyo Bank, Ltd. May 2015 Retired from Nitta Gakuen School Corporation Jun 2019 Appointed Audit & Supervisory Board Member (non-executive), the Company (current)
1953-05-25
Large Shareholding Reports
No filings
Disclosures
No disclosures
Primary Source Filings
TDnet
2026-07-31
Q1 Earnings Flash
FY ending Mar 2027
EDINET
2026-06-18
Annual Securities Report
Period: Apr 2025 – Mar 2026
TDnet
2026-02-02
Q3 Earnings Flash
FY ending Mar 2026
EDINET
2025-11-14
Semi-Annual Securities Report
Period: Apr 2025 – Sep 2025
TDnet
2025-07-31
Q1 Earnings Flash
FY ending Mar 2026
EDINET
2025-06-23
Annual Securities Report
Period: Apr 2024 – Mar 2025
TDnet
2025-02-04
Q3 Earnings Flash
FY ending Mar 2025
EDINET
2024-11-14
Semi-Annual Securities Report
Period: Apr 2024 – Mar 2025
TDnet
2024-08-08
Q1 Earnings Flash
FY ending Mar 2025
EDINET
2024-06-25
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
2023-08-10
Quarterly Securities Report
Period: Apr 2023 – Jun 2023
EDINET
2023-06-21
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
2022-08-12
Quarterly Securities Report
EDINET
2022-06-24
Annual Securities Report
EDINET
2022-02-14
Quarterly Securities Report
EDINET
2021-11-12
Quarterly Securities Report
EDINET
2021-08-13
Quarterly Securities Report
EDINET
2021-06-17
Annual Securities Report
EDINET
2021-02-12
Quarterly Securities Report
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