Overview
Information & Communication

Tobila Systems Inc.

Tobira Systems develops and provides nuisance information filtering services centered on its proprietary spam/fraud database, which processes over 5 billion calls, emails, and SMS messages annually. The company offers security solutions across mobile (via partnerships with NTT Docomo, SoftBank, and KDDI), fixed-line, and enterprise segments under the 'Tobira Phone' brand family, blocking fraudulent calls, phishing SMS, and scam-related content. Its competitive strength lies in its continuously updated spam information database powered by machine learning, public agency data linkages, and user feedback, covering nuisance call blocking, SMS filtering, and web ad blocking.

Market Cap
¥16.0B
US$102M
EV
¥11.3B
US$72.2M
Stock¥1,551▼-6.00%
US$1 = ¥156.80 (2026-10-23)
LTM EV/EBITDA
11.1
x
LTM EV/EBIT
12.7
x
LTM PER
25.6
x
LTM PBR
5.2
x
Stock vs TOPIX (1Y, base=100)vs TOPIX ▲+33.6%pt
10012
Oct 24, 25 – Oct 23, 26StockTOPIX
1Jun 10, 26Q2 FY2026/10 earnings announced
2Sep 10, 26Q3 FY2026/10 earnings announced
MC → EV Bridge
16.0BUS$102MMarket Cap0.06BUS$0.37M+ Debt4.30BUS$27.4M− Cash0.43BUS$2.72M− Inv. Sec.11.3BUS$72.2MEV
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Performance & Balance
Revenue 5Y (¥B)
1.42US$9.08M'21/101.68US$10.7M'22/102.06US$13.1M'23/102.41US$15.3M'24/102.81US$17.9M'25/10
EBITDA 5Y (¥B)
0.64US$4.08M'21/100.63US$4.00M'22/100.80US$5.13M'23/100.96US$6.15M'24/101.01US$6.47M'25/10
Net Income 5Y (¥B)
0.39US$2.46M'21/100.32US$2.05M'22/100.52US$3.30M'23/100.60US$3.83M'24/100.63US$3.99M'25/10
Capital Structure
98%
EquityD/E 0.02xDebt
Liquidity vs Debt 5Y (¥B)▲ Net Cash
CashInv. Sec.Debt
1.29US$8.21M0.36US$2.28M'21/101.44US$9.16M0.30US$1.89M'22/102.40US$15.3M0.25US$1.57M'23/103.24US$20.6M0.20US$1.25M'24/104.06US$25.9M0.15US$0.93M'25/10
Shareholders
Top 10 hold 76.1%
1
Atsushi AKETA
44.77%
2
INTERACTIVE BROKERS LLC (Standing Proxy: Interactive Brokers Securities Japan Inc.)
12.96%
3
Custody Bank of Japan, Ltd. (Trust Account)
4.87%
4
NATIONAL FINANCIAL SERVICES LLC (Standing Proxy: Citibank, N.A., Tokyo Branch)
3.41%
5
BNYM AS AGT/CLTS NON TREATY JASDEC (Standing Proxy: MUFG Bank, Ltd.)
3.33%
6
Rakuten Securities, Inc. (Joint Account)
1.74%
7
NORTHERN TRUST CO.(AVFC) RE NON TREATY CLIENTS ACCOUNT (Standing Proxy: The Hongkong and Shanghai Banking Corporation Limited, Tokyo Branch)
1.54%
8
PERSHING-DIV.OF DLJ SECS.CORP. (Standing Proxy: Citibank, N.A., Tokyo Branch)
1.39%
9
Sekiyu Co., Ltd.
1.20%
10
SIX SIS LTD. (Standing Proxy: MUFG Bank, Ltd.)
0.90%
Management
7 officers
Atsushi AKETA
Representative Director, President
Dec 2006 Established A&A tecnologia Co., Ltd. (now the Company) Representative Director, President of the Company (current)
1980-12-28
Haruo MATSUBARA
Director
Apr 2000 Joined Tokyo Computer Service Co., Ltd. Dec 2003 Joined Daiichi Consultant Co., Ltd. Apr 2007 Joined Baiza Co., Ltd. May 2018 Joined the Company Jun 2020 Executive Officer, General Manager of Technology Division of the Company Jan 2022 Director, General Manager of Technology Division of the Company (current)
1977-09-03
Noriyuki KANEMACHI
Director
Mar 2007 Enlisted, Japan Air Self-Defense Force, Ministry of Defense Apr 2014 Joined Deloitte Touche Tohmatsu LLC Apr 2021 Joined the Company Nov 2021 General Manager of Administration Division and Section Chief of General Affairs Section of the Company Jun 2022 General Manager of Administration Division of the Company Jan 2023 Executive Officer, Chief Financial Officer and General Manager of Administration Division of the Company Jan 2024 Director, Chief Financial Officer and General Manager of Administration Division of the Company Nov 2024 Director, Chief Financial Officer, General Manager of Business Planning and President's Office, and General Manager of Administration Division of the Company Apr 2025 Director, Chief Financial Officer, General Manager of Business Planning and President's Office of the Company (current)
1983-04-26
Hisashi TANANAMI
Director, Audit and Supervisory Committee Member
Apr 1978 Joined Chiyoda Life Insurance Mutual Company (now Gibraltar Life Insurance Co., Ltd.) Feb 2001 Joined Matsui Securities Co., Ltd. Jun 2002 Director, Matsui Securities Co., Ltd. Feb 2004 Managing Director, Matsui Securities Co., Ltd. Jun 2005 Audit & Supervisory Board Member, Monex Beans Securities Co., Ltd. (now Monex Securities Co., Ltd.) Jun 2005 Full-time Audit & Supervisory Board Member, Monex Beans Holdings, Inc. (now Monex Group, Inc.) Jun 2007 Director, Monex Securities Co., Ltd. Jun 2007 Director, Monex Group, Inc. Apr 2008 Part-time Lecturer, Hosei University Feb 2011 Representative Director, Senior Vice President, Monex Securities Co., Ltd. Jun 2013 Executive Officer, Monex Group, Inc. Apr 2017 Director, Vice Chairman, Monex Securities Co., Ltd. Dec 2019 Audit & Supervisory Board Member, Catalyst Investment Advisory Co., Ltd. (current) Jan 2020 Outside Director (Audit and Supervisory Committee Member) of the Company (current) Apr 2020 Outside Director (Audit and Supervisory Committee Member), AD Works Group Co., Ltd. (current) Jun 2021 Non-Executive Director (External Director), Public Interest Incorporated Foundation International Human Resources Development Organization (current) Jun 2023 Audit & Supervisory Board Member, Monex Asset Management Co., Ltd. (current)
1954-09-11
Yoji SUGATA
Director
Feb 2002 Joined Tajima Reform Co., Ltd. (now TJM Design Co., Ltd.) Feb 2005 Joined Nippon Parking Development Co., Ltd. Jan 2009 Joined Works Media Co., Ltd. Oct 2009 Representative Director, President, AZOOM Co., Ltd. (current) Sep 2014 Representative Director, Panorama Co., Ltd. (current) Mar 2019 Director, CGworks Co., Ltd. (current) Jan 2026 Outside Director of the Company (current)
1977-01-27
Akihiko YANAGISHITA
Director, Audit and Supervisory Committee Member
Apr 1994 Joined Mitsubishi Chemical Corporation (now Mitsubishi Chemical Group Corporation) Jan 2002 Registered as Patent Attorney Dec 2010 Registered as Attorney at Law Jan 2011 Joined Uchida & Samejima Law Office (now Uchida & Samejima Law Corporation) Jan 2016 Partner, Uchida & Samejima Law Corporation (current) Jan 2026 Outside Director (Audit and Supervisory Committee Member) of the Company (current)
1969-04-20
Kohei KATO
Director, Audit and Supervisory Committee Member
Oct 1995 Joined Tohmatsu Audit Corporation (now Deloitte Touche Tohmatsu LLC) Apr 1999 Registered as Certified Public Accountant Jul 2009 Partner, Tohmatsu Audit Corporation Jul 2024 Director, Kohei Kato Certified Public Accountant Office; Certified Public Accountant (current) Jan 2026 Outside Director (Audit and Supervisory Committee Member) of the Company (current)
1973-07-30
Large Shareholding Reports
Atsushi Akeda
2026-09-04
43.17%→43.17%
Annual report (as of 2026-04-30): 44.77%
Atsushi AKEDA
2026-03-12
44.28%→43.17%
Correction filing (name/detail fix only) — ratio carried over from the original filing
Annual report (as of 2026-04-30): 44.77%
Atsushi AKEDA
2026-03-03
44.28%→43.17%
Annual report (as of 2026-04-30): 44.77%
Smoak Capital Management, LLC
2026-02-04
6.12%→7.13%
Smoak Capital Management, LLC
2025-12-18
4.81%→6.12%
Smoak Capital Management, LLC
2025-12-17
4.81%→6.12%
Smoak Capital Management, LLC
2025-12-02
4.81%
Disclosures
No disclosures
Primary Source Filings
TDnet
2026-09-10
Q3 Earnings Flash
FY ending Oct 2026
EDINET
2026-09-04
Large Shareholding Report
EDINET
2026-06-10
Semi-Annual Securities Report
Period: Nov 2025 – Oct 2026
EDINETAmended
2026-03-12
Change Report
TDnet
2026-03-10
Q1 Earnings Flash
FY ending Oct 2026
EDINET
2026-03-03
Large Shareholding Report
EDINET
2026-02-04
Large Shareholding Report
EDINET
2026-01-26
Annual Securities Report
Period: Nov 2024 – Oct 2025
EDINETAmended
2025-12-18
Change Report
EDINET
2025-12-17
Large Shareholding Report
EDINET
2025-12-02
Large Shareholding Report
TDnet
2025-09-10
Q3 Earnings Flash
FY ending Oct 2025
EDINET
2025-06-10
Semi-Annual Securities Report
Period: Nov 2024 – Oct 2025
TDnet
2025-03-10
Q1 Earnings Flash
FY ending Oct 2025
EDINET
2025-01-29
Annual Securities Report
Period: Nov 2023 – Oct 2024
EDINET
2024-06-10
Quarterly Securities Report
Period: Feb 2024 – Apr 2024
EDINET
2024-03-08
Quarterly Securities Report
Period: Nov 2023 – Jan 2024
EDINET
2024-01-23
Annual Securities Report
Period: Nov 2022 – Oct 2023
EDINET
2023-09-08
Quarterly Securities Report
Period: May 2023 – Jul 2023
EDINET
2023-06-09
Quarterly Securities Report
Period: Feb 2023 – Apr 2023
EDINET
2023-03-10
Quarterly Securities Report
Period: Nov 2022 – Jan 2023
EDINET
2023-01-26
Annual Securities Report
Period: Nov 2021 – Oct 2022
EDINET
2022-09-09
Quarterly Securities Report
EDINET
2022-06-10
Quarterly Securities Report
EDINETAmended
2022-05-18
Amended Annual Securities Report
EDINET
2022-03-10
Quarterly Securities Report
EDINET
2022-01-20
Annual Securities Report
EDINET
2021-09-10
Quarterly Securities Report
EDINET
2021-06-10
Quarterly Securities Report
EDINET
2021-03-10
Quarterly Securities Report
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