Overview
Services

ItoKuro Inc.

Itokuro operates a portfolio of education-focused vertical portal sites in Japan, with its flagship service 'Juku Navi' being one of Japan's largest cram school and preparatory school search platforms with over 110,000 listed classrooms and approximately 13.87 million annual visitors. The company also operates 'Codomobooster,' a search and reservation platform for children's extracurricular activities, and 'Minna no Gakko Joho,' a comprehensive school information portal covering nurseries through universities. Revenue is generated primarily through a performance-based (cost-per-action) billing model, whereby clients are charged based on actual inquiries or resource requests generated via the portals, offering clients high and measurable return on investment.

Market Cap
¥4.89B
US$31.1M
EV
¥-4.55B
-US$29.0M
Stock¥241▼-2.43%
US$1 = ¥157.05 (2026-10-22)
LTM EV/EBITDA
NM
LTM EV/EBIT
NM
LTM PER
17.7
x
LTM PBR
0.5
x
2026-08-25 closing price basis: ranked #31 in beluuga.ai's "Japanese listed companies with negative Enterprise Value" ranking (simplified EV ≈ ¥-41B).
Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-37.6%pt
100
Oct 23, 25 – Oct 23, 26StockTOPIX
MC → EV Bridge
4.89BUS$31.1MMarket Cap0.01BUS$0.06M+ Debt7.32BUS$46.6M− Cash2.12BUS$13.5M− Inv. Sec.-4.55B-US$29.0MEV
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Performance & Balance
Revenue 5Y (¥B)
4.27US$27.2M'21/103.96US$25.2M'22/103.94US$25.1M'23/103.95US$25.1M'24/103.67US$23.4M'25/10
EBITDA 5Y (¥B)
1.33US$8.49M'21/10-0.11-US$0.69M'22/100.42US$2.68M'23/10-0.16-US$1.02M'24/100.31US$1.96M'25/10
Net Income 5Y (¥B)
0.82US$5.25M'21/10-0.34-US$2.15M'22/100.29US$1.81M'23/100.04US$0.24M'24/100.17US$1.08M'25/10
Capital Structure
100%
EquityD/E 0.00xDebt
Liquidity vs Debt 5Y (¥B)▲ Net Cash
CashInv. Sec.Debt
8.78US$55.9M0.01US$0.08M'21/107.65US$48.7M0.01US$0.06M'22/108.77US$55.8M0.01US$0.04M'23/108.32US$53.0M0.01US$0.09M'24/109.14US$58.2M0.01US$0.06M'25/10
Shareholders
Top 10 hold 82.8%
1
Manabu YAMAKI
61.13%
2
SBI SECURITIES Co., Ltd.
6.87%
3
Kazuhiro SAKATA
4.79%
4
Kimihito MIZUMOTO
3.06%
5
Kufu Company Holdings Inc.
1.90%
6
Rakuten Securities, Inc.
1.37%
7
THE BANK OF NEW YORK MELLON 140040 (Standing Proxy: Mizuho Bank, Ltd.)
1.01%
8
THE BANK OF NEW YORK MELLON 140042 (Standing Proxy: Mizuho Bank, Ltd.)
1.01%
9
BNY GCM CLIENT ACCOUNT JPRD AC ISG (Standing Proxy: MUFG Bank, Ltd.)
0.91%
10
Masayuki KATAURA
0.73%
Management
8 officers
Manabu YAMAKI
Representative Director, CEO
Apr 2002 Joined Recruit Co., Ltd. Apr 2004 Joined Kakaku.com, Inc. Dec 2006 Director of the Company Apr 2009 Representative Director of the Company Nov 2015 Representative Director, CEO of the Company (current)
1978-01-17
Takashi RYOSHITA
Representative Director, COO
Apr 2002 Joined Tri Group Co., Ltd. Feb 2008 Joined the Company Jan 2014 Director, General Manager of Business Division of the Company Nov 2015 Representative Director, COO of the Company (current)
1977-10-09
Daisuke SATO
Director, CFO
Apr 2002 Joined JTB Corp. Dec 2006 Joined Ohara Shuppan Co., Ltd. Oct 2008 Joined Shin Nihon & Co. (currently EY ShinNihon LLC) Aug 2015 Joined the Company Nov 2017 Executive Officer of the Company Mar 2019 Outside Audit & Supervisory Board Member, THECOO Inc. (current) Nov 2020 Executive Officer, CFO and General Manager of Corporate Management Division of the Company Jan 2023 Director, CFO and General Manager of Corporate Management Division of the Company (current)
1977-10-07
Masatsugu SUZUKI
Director, CTO
Apr 2002 Joined Kakaku.com, Inc. Jul 2017 Joined the Company Nov 2017 Executive Officer of the Company Nov 2020 Executive Officer, CTO and General Manager of Development Division of the Company Jan 2023 Director, CTO and General Manager of Development Division of the Company (current)
1976-11-09
Shinshichi TANAHASHI
Director, CMO
Apr 2009 Joined the Company Nov 2017 Executive Officer of the Company Nov 2020 Executive Officer, CMO and General Manager of Second Media Business Division of the Company Jan 2023 Director, CMO and General Manager of Second Media Business Division of the Company (current)
1984-05-23
Reimu SUGITA
Director (Audit and Supervisory Committee Member)
Apr 2006 Joined NTT East Kanto Hospital Apr 2008 Joined University of Tokyo Hospital Aug 2012 Joined The Boston Consulting Group K.K. (currently Boston Consulting Group G.K.) May 2015 Founded Clintal Inc., Representative Director and President Dec 2018 Executive Officer and COO, JMDC Inc. Jan 2024 Outside Director (Audit and Supervisory Committee Member) of the Company (current)
1981-04-08
Shunsuke NISHIMOTO
Director (Audit and Supervisory Committee Member)
Dec 2012 Registered as attorney at law, Japan Federation of Bar Associations (Tokyo First Bar Association) Dec 2012 Joined Shinsei Sogo Law Office Mar 2021 Outside Audit & Supervisory Board Member, Photosynth Inc. (current) Aug 2022 Outside Audit & Supervisory Board Member, PostPrime Inc. (current) Sep 2023 Outside Audit & Supervisory Board Member, Globing Inc. (current) Jan 2024 Outside Director (Audit and Supervisory Committee Member) of the Company (current)
1979-10-01
Shunsuke HIGASHI
Director (Audit and Supervisory Committee Member)
Apr 1998 Joined Osaki Electric Co., Ltd. and its handball team Jul 2003 Selected for Japan National Handball Team Apr 2005 Captain of Japan National Handball Team Apr 2012 Member of General Affairs, Discipline and Public Relations Committee, Japan Handball League Organization (currently Japan Handball League General Incorporated Association) Apr 2013 General Manager, Marketing Department, Japan Handball League Organization Feb 2018 Outside Director, Ryukyu Asteeda Sports Club Co., Ltd. (current) Apr 2023 Coach, Handball Team, Hokkoku Bank, Ltd. Dec 2024 Alliance Coordinator, Honey Bee Sports Co., Ltd. (current) Jan 2026 Outside Director (Audit and Supervisory Committee Member) of the Company (current)
1975-09-16
Large Shareholding Reports
SBI Securities Co., Ltd.
2026-06-22
5.43%→0.61%
SBI Securities Co., Ltd.
2026-04-21
5.43%
Manabu YAMAKI
2026-01-05
55.74%→55.74%
Annual report (as of 2026-04-30): 61.13%
SBI Securities Co., Ltd.
2025-11-07
5.18%→0.37%
SBI Securities Co., Ltd.
2025-10-07
5.18%
Disclosures
No disclosures
Primary Source Filings
TDnet
2026-09-11
Q3 Earnings Flash
FY ending Oct 2026
EDINET
2026-06-22
Large Shareholding Report
EDINET
2026-06-15
Semi-Annual Securities Report
Period: Nov 2025 – Oct 2026
EDINET
2026-04-21
Large Shareholding Report
TDnet
2026-03-13
Q1 Earnings Flash
FY ending Oct 2026
EDINET
2026-01-30
Annual Securities Report
Period: Nov 2024 – Oct 2025
EDINET
2026-01-05
Large Shareholding Report
EDINET
2025-11-07
Large Shareholding Report
EDINET
2025-10-07
Large Shareholding Report
TDnet
2025-09-12
Q3 Earnings Flash
FY ending Oct 2025
EDINET
2025-06-16
Semi-Annual Securities Report
Period: Nov 2024 – Oct 2025
TDnet
2025-03-14
Q1 Earnings Flash
FY ending Oct 2025
EDINET
2025-01-31
Annual Securities Report
Period: Nov 2023 – Oct 2024
EDINET
2024-06-10
Quarterly Securities Report
Period: Feb 2024 – Apr 2024
EDINET
2024-03-11
Quarterly Securities Report
Period: Nov 2023 – Jan 2024
EDINET
2024-01-29
Annual Securities Report
Period: Nov 2022 – Oct 2023
EDINET
2023-09-11
Quarterly Securities Report
Period: May 2023 – Jul 2023
EDINET
2023-06-12
Quarterly Securities Report
Period: Feb 2023 – Apr 2023
EDINET
2023-03-13
Quarterly Securities Report
Period: Nov 2022 – Jan 2023
EDINET
2023-01-30
Annual Securities Report
Period: Nov 2021 – Oct 2022
EDINET
2022-09-12
Quarterly Securities Report
EDINET
2022-06-13
Quarterly Securities Report
EDINET
2022-03-14
Quarterly Securities Report
EDINET
2022-01-28
Annual Securities Report
EDINET
2021-09-13
Quarterly Securities Report
EDINET
2021-06-14
Quarterly Securities Report
EDINET
2021-03-15
Quarterly Securities Report
EDINET
2021-01-29
Annual Securities Report
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