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Overview

Information & Communication

MINKABU THE INFONOID,Inc.

Minkabu The Infonoid operates two core business segments: a Media segment and a Solutions segment. The Media segment encompasses Japan's largest stock information media 'Kabutan (株探)', the asset formation platform 'MINKABU (みんかぶ)', as well as mass-reach consumer portals including 'Livedoor News' and 'Livedoor Blog', together reaching approximately 100 million monthly users. The Solutions segment leverages content and technology developed for its media properties to deliver B2B and B2B2C information services, SI/package solutions, and AI-driven tools—such as the generative AI market report service 'Robot Report AI'—to a broad base of financial institution clients.

Market Cap

¥8.08B

US$51.6M

¥13.7B

US$87.2M

Stock¥526▼-2.77%

US$1 = ¥156.80 (2026-10-23)

LTM EV/EBITDA

11.3

LTM EV/EBIT

29.0

LTM PER

12.3

LTM PBR

5.9

Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-4.4%pt

Oct 24, 25 – Oct 23, 26StockTOPIX

1Aug 17, 26Q1 FY2027/03 earnings announced

2Sep 17, 26NTT DATA capital/business alliance and share acquisition trigger change in major shareholder (deemed tender offer)

3Sep 18, 26NTT DATA becomes top shareholder via capital alliance/share purchase; SBI acquires subsidiary Livedoor for ¥7.5bn

4Sep 24, 26NTT DATA capital alliance & change of controlling shareholder (share buy-up filing) continues to drive shares

MC → EV Bridge

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Performance & Balance

Revenue 5Y (¥B)

EBITDA 5Y (¥B)

Net Income 5Y (¥B)

Capital Structure

84%

EquityD/E 5.14xDebt

Liquidity vs Debt 5Y (¥B)▼ Net Debt

CashInv. Sec.Debt

Shareholders

Top 10 hold 45.7%

as of 2026-03-31 · Source: Annual Securities Report

Ken URYU

10.59%

SBI Holdings,Inc.

8.02%

Sony Network Communications Inc.

6.38%

FinTech Business Innovation Investment Limited Partnership

4.21%

QUICK Corporation

4.02%

SBI Ventures Three LLC

3.23%

Nihon Keizai Shimbun, Inc. (Policy Investment Account)

3.01%

Sumi OHNO

2.34%

Japan Securities Finance Co.,Ltd.

2.02%

Ryutaro TAKADA

1.87%

Management

5 officers

Masayuki BAN

Representative Director, President

Born Jul 1977 Apr 2001 Joined CSK Corporation (currently SCSK Corporation) Oct 2005 Joined CSK Securities Service Corporation (currently SCSK Corporation) Apr 2015 Joined the Company; Representative Director, InterStructure Co., Ltd. (subsidiary) Oct 2017 Director, the Company Jul 2020 Director, Robot Toshin Co., Ltd. Jun 2023 Director, Minkabu Web3 Wallet Inc. Jun 2023 Director, Vice President and COO, Minkabu Solution Services Co., Ltd. Jun 2024 Representative Director, President and COO, Minkabu Solution Services Co., Ltd. Jun 2024 Director, the Company Feb 2025 Representative Director, President, the Company (current)

1977-07-12

Junko YAGUCHI

Director

Born Apr 1963 Apr 1986 Joined Fujitsu Social Systems Engineering Ltd. (currently Fujitsu Limited) Jul 1989 Joined Salomon Brothers Asia Securities Company (currently Citigroup Global Markets Japan Inc.) Nov 1997 Joined Merrill Lynch Securities Co., Tokyo Branch (currently BofA Securities Japan Co., Ltd.) Mar 2002 Joined BNP Paribas Securities (Japan) Limited Jul 2006 Joined GamesArena Inc. (consolidated subsidiary of Dwango Co., Ltd.) Apr 2012 Joined Dwango Co., Ltd. (transferred) Oct 2013 Joined the Company Apr 2020 Senior Executive Officer, in charge of Management Administration, the Company Dec 2022 Audit & Supervisory Board Member, Livedoor Co., Ltd. Dec 2022 Audit & Supervisory Board Member, Minkabu Asset Partners Inc. (currently Trade Advisory Technologies Inc.) Apr 2024 Director, Minkabu Solution Services Co., Ltd. Jun 2024 Director, the Company (current) Jun 2025 Outside Director, Shofu Inc. (current)

1963-04-19

Sadahiko YOSHIMURA

Director, Audit and Supervisory Committee Member

Apr 1972 Joined The Dai-Ichi Kangyo Bank, Ltd. (currently Mizuho Bank, Ltd.) Oct 1973 Joined Ota Tetsuzo Certified Public Accountants Office (currently EY ShinNihon LLC) Aug 1978 Registered as Certified Public Accountant May 2002 Managing Director, the same firm Aug 2004 Deputy Chairman, the same firm Aug 2008 Senior Advisor, the same firm Mar 2009 Retired from the same firm Mar 2009 Director, Showa Co., Ltd. (currently Hulic Co., Ltd.) Apr 2010 Project Professor, Graduate School of Accounting Professional Program, Aoyama Gakuin University Jun 2010 Audit & Supervisory Board Member, Jafco Co., Ltd. (currently Jafco Group Co., Ltd.) Jun 2012 Full-time Audit & Supervisory Board Member, Jafco Co., Ltd. Apr 2015 Visiting Professor, Graduate School of Accounting Professional Program, Aoyama Gakuin University Jun 2019 Outside Director (Audit and Supervisory Committee Member), the Company (current) Nov 2019 Director (Full-time Audit and Supervisory Committee Member), WACUL Inc.

1947-10-18

Shozo ISHIBASHI

Director, Audit and Supervisory Committee Member

Sep 1976 Joined Nomura Research Institute, Ltd. Apr 1997 Joined Nomura Securities Co., Ltd. May 2000 Joined Lehman Brothers Securities Co., Ltd. Oct 2003 Representative Director, Ishibashi Tanzan Memorial Foundation (current) Apr 2004 Director, Tokyo Medical and Dental University (national university corporation) Apr 2005 Auditor, Rissho University Gakuen (educational corporation) Mar 2007 Director, Kurimoto Gakuen (educational corporation) (current) Sep 2007 Audit & Supervisory Board Member, the Company Apr 2008 Director, The Keizai Club (general incorporated association) (current) Jun 2014 Director, EDION Corporation (current) Sep 2016 Retired as Audit & Supervisory Board Member, the Company Mar 2017 Outside Director (Audit and Supervisory Committee Member), the Company (current)

1949-07-05

Tsuneyasu OZAKI

Director, Audit and Supervisory Committee Member

Apr 1996 Appointed Public Prosecutor Apr 2003 Public Prosecutor, Administrative Litigation Division, Civil Affairs Bureau, Ministry of Justice Apr 2004 Assistant Section Chief, Administrative Procedure Office, Planning and Coordination Division, Administrative Management Bureau, Ministry of Internal Affairs and Communications Jul 2005 Resigned from public service Aug 2005 Registered as Attorney-at-Law; joined Nishimura & Asahi (formerly Nishimura Tokiwa Law Office) Jan 2008 Partner, Nishimura & Asahi Jun 2014 Outside Audit & Supervisory Board Member, Tosoh Corporation (current) Jan 2019 Outside Director, Cellsource Co., Ltd. Jan 2019 Outside Director (Audit and Supervisory Committee Member), Cellsource Co., Ltd. (current) Jan 2025 Opened Ozaki Law Office (Tokyo Bar Association) Jun 2025 Outside Director (Audit and Supervisory Committee Member), the Company (current)

1969-06-24

Large Shareholding Reports

SBI Holdings, Inc.

2026-09-29

8.23%→8.02%

Annual report (as of 2026-03-31): 8.02%

NTT DATA Corporation

2026-09-29

16.38%

Ken URYU

2025-08-06

10.59%→10.59%

Annual report (as of 2026-03-31): 10.59%

Ken URYU

2025-08-05

8.31%→10.59%

Annual report (as of 2026-03-31): 10.59%

Disclosures

M&A / Other

2026-09-17

MINKABU THE INFONOID,Inc.

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MINKABU THE INFONOID,Inc.

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