Overview
Retail Trade

General Oyster,Inc.

General Oyster operates Japan's largest oyster bar restaurant chain, running 27 directly managed stores and 2 franchise locations primarily in major urban department stores and commercial facilities under multiple brands including '8th SEA OYSTER Bar.' The company also conducts a wholesale business supplying high-quality, safety-certified oysters to approximately 900 restaurant clients, supported by a proprietary deep-sea water purification center in Toyama Prefecture that applies stricter bacterial standards than those mandated by Japan's Ministry of Health, Labour and Welfare. Additional business lines include oyster processing (frozen products), a purification segment, renewable energy (solar power rights trading), EC/online sales, and event operations.

Market Cap
¥3.50B
US$22.3M
EV
¥3.08B
US$19.6M
Stock¥656▼-0.76%
US$1 = ¥156.80 (2026-10-23)
LTM EV/EBITDA
51.0
x
LTM EV/EBIT
NM
LTM PER
NM
LTM PBR
2.4
x
Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-15.7%pt
10012
Oct 24, 25 – Oct 23, 26StockTOPIX
1Dec 11, 25Institutional investor accumulation
2Dec 12, 25Increase in speculative buying orders
MC → EV Bridge
3.50BUS$22.3MMarket Cap0.27BUS$1.72M+ Debt0.70BUS$4.44M− Cash0.00BUS$0.00M− Inv. Sec.3.08BUS$19.6MEV
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Performance & Balance
Revenue 5Y (¥B)
2.54US$16.2M'22/33.76US$24.0M'23/33.79US$24.2M'24/33.93US$25.0M'25/34.30US$27.4M'26/3
EBITDA 5Y (¥B)
-0.23-US$1.48M'22/30.18US$1.17M'23/30.08US$0.49M'24/30.09US$0.56M'25/30.00US$0.01M'26/3
Net Income 5Y (¥B)
0.29US$1.83M'22/30.14US$0.88M'23/3-0.10-US$0.61M'24/3-0.02-US$0.13M'25/3-0.18-US$1.12M'26/3
Capital Structure
84%
EquityD/E 0.18xDebt
Liquidity vs Debt 5Y (¥B)▲ Net Cash
CashInv. Sec.Debt
1.27US$8.12M0.58US$3.68M'22/31.33US$8.51M0.52US$3.33M'23/30.86US$5.46M0.45US$2.90M'24/31.22US$7.78M0.37US$2.36M'25/30.78US$4.97M0.29US$1.85M'26/3
Shareholders
Top 10 hold 69.3%
1
Nexta Co., Ltd. (Silent Partnership Account)
42.84%
2
Nexta No. 1 Investment Limited Partnership
5.71%
3
Toshio KOBAYASHI
5.36%
4
Amana LLC
3.74%
5
Yuji HASHIMOTO
2.96%
6
Kyomi YAMAMOTO
2.59%
7
Green Energy LLC
2.59%
8
Soleil NC Co., Ltd.
1.34%
9
Hiroki FUJITA
1.29%
10
Bridesmaid Capital Co., Ltd.
0.88%
Management
6 officers
Kazuhiro WATANABE
Representative Director, President
Apr 1998 Joined Yamato Jitsugyo Co., Ltd. Apr 2005 Joined Gyuan Co., Ltd. Jul 2009 Joined the Company; Supervisor, Sales Division Jul 2011 General Manager, Second Sales Division, the Company Jun 2012 Director, the Company (appointed) Apr 2016 Representative Director and President, Human Web Co., Ltd. (current) Jun 2024 Representative Director, the Company (current)
1973-04-04
Shuichi KANEKO
Representative Director
Apr 2007 Joined PwC Advisory LLC Dec 2007 Opened Shuichi Kaneko Certified Public Accountant Office (current) Aug 2016 Representative Director, Nagano Gourmet Land Co., Ltd. (current) Dec 2016 Representative Director, Smart Ruru Co., Ltd. (current) Jun 2019 Representative Partner, Argo Certified Tax Accountant Corporation (current) Sep 2020 Representative Director, Impacket Co., Ltd. (current) Jun 2021 Representative Director, S-Lian Co., Ltd. (current) Sep 2021 Representative Director, Soleil NC Co., Ltd. (current) Jun 2021 Outside Director, the Company Jul 2021 Representative Director, Senior Managing Director, the Company Dec 2023 Representative Director, Nexta Co., Ltd. (current) Jun 2023 Representative Director, the Company (current)
1976-06-01
Atsushi INADA
Director
Dec 2005 Joined Chuo Aoyama Audit Corporation Sep 2006 Joined Arata Audit Corporation Jul 2008 Joined PricewaterhouseCoopers Co., Ltd. Dec 2013 Joined Long Black Partners Co., Ltd. Mar 2017 Opened Atsushi Inada Certified Public Accountant Office Feb 2021 Representative Director, Nexta Co., Ltd. Jun 2021 Outside Director (Audit and Supervisory Committee Member), the Company Dec 2023 Representative Director, Nexta Co., Ltd. Jun 2025 Outside Director, the Company (current)
1980-04-22
Hideki SATO
Director, Audit and Supervisory Committee Member
Oct 2005 Registered as attorney; joined Katayama Law Office Jan 2009 Opened Shiodome Partners Law Office; Representative Attorney Jul 2013 Established Shiodome Partners Law Office LPC (now Miyabi Law Office); Representative Attorney Feb 2018 Audit & Supervisory Board Member, Shiodome Partners Co., Ltd. (current) Dec 2018 Established Shiodome Trust Co., Ltd.; Representative Director (current) Jun 2023 Outside Director (Audit and Supervisory Committee Member), the Company (current)
1977-02-10
Kenta ASAEDA
Director, Audit and Supervisory Committee Member
Dec 2008 Registered as attorney; joined Kojima International Law Office Jan 2011 Joined Ginza Law & Accounting Office (now Ginza Kijimacho Law Office) Jan 2018 Established Ushigome-bashi Law Office (current) Jun 2021 Outside Director (Audit and Supervisory Committee Member), the Company (current) Jun 2022 Audit & Supervisory Board Member, Traders Holdings Co., Ltd. (current)
1981-01-26
Jiro KOMIYAMA
Director, Audit and Supervisory Committee Member
Apr 1978 Joined Apple Grim Co., Ltd. Sep 2015 Opened Hamburg House NAGANO Jun 2025 Outside Director (Audit and Supervisory Committee Member), the Company (current)
1955-07-21
Large Shareholding Reports
Toshio KOBAYASHI
2026-04-01
20.31%→4.30%
Annual report (as of 2026-03-31): 5.36%
Nexta Co., Ltd.
2026-03-26
55.87%→55.87%
Nexta Co., Ltd.
2025-11-19
45.44%→55.87%
Nexta Co., Ltd.
2025-11-19
19.12%
Correction filing (name/detail fix only) — ratio carried over from the original filing
Nexta Co., Ltd.
2025-10-31
19.12%
Nexta Co., Ltd.
2025-08-26
45.44%→45.44%
Nexta Co., Ltd.
2025-08-20
45.44%→45.44%
Disclosures
No disclosures
Primary Source Filings
TDnet
2026-08-14
Q1 Earnings Flash
FY ending Mar 2027
EDINET
2026-06-29
Annual Securities Report
Period: Apr 2025 – Mar 2026
EDINET
2026-04-01
Large Shareholding Report
EDINET
2026-03-26
Large Shareholding Report
TDnet
2026-02-13
Q3 Earnings Flash
FY ending Mar 2026
EDINET
2025-11-19
Large Shareholding Report
EDINETAmended
2025-11-19
Change Report
EDINET
2025-11-14
Semi-Annual Securities Report
Period: Apr 2025 – Mar 2026
EDINET
2025-10-31
Large Shareholding Report
EDINETAmended
2025-10-17
Amended Securities Registration Statement
EDINET
2025-10-10
Securities Registration Statement
EDINET
2025-08-26
Large Shareholding Report
EDINET
2025-08-20
Large Shareholding Report
TDnet
2025-08-14
Q1 Earnings Flash
FY ending Mar 2026
EDINET
2025-06-27
Annual Securities Report
Period: Apr 2024 – Mar 2025
TDnet
2025-02-14
Q3 Earnings Flash
FY ending Mar 2025
EDINETAmended
2024-11-19
Amended Securities Registration Statement
EDINETAmended
2024-11-14
Amended Securities Registration Statement
EDINETAmended
2024-11-14
Amended Securities Registration Statement
EDINET
2024-11-14
Semi-Annual Securities Report
Period: Apr 2024 – Mar 2025
EDINETAmended
2024-11-05
Amended Securities Registration Statement
EDINET
2024-11-01
Securities Registration Statement
TDnet
2024-08-14
Q1 Earnings Flash
FY ending Mar 2025
EDINETAmended
2024-08-05
Amended Annual Securities Report
Period: Apr 2023 – Mar 2024
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
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