B5 Capital
VC Fund
Los Altos, United States
B5 Capital is a Silicon Valley based single family office that invests in early stage technology companies. We focus mostly on AI and cybersecurity while also considering other compelling investment areas. However, we do not invest in life science companies.
- Total investments:
- 19
- Last investment:
- Lead investor:
- 5%
Last updated:
For AI agents: llms.txt
Industries B5 Capital invests in
Stages B5 Capital invests in
Countries B5 Capital invests in
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
|
Alex Bailey
|
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Mark Bailey
|
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3 more contacts available
Investment Focus
Industry
- Software 9 (47%)
- Artificial Intelligence 7 (37%)
- Cyber Security 6 (32%)
- Machine Learning 3 (16%)
- Network Security 3 (16%)
Stage
- Seed 8 (42%)
- Series A 6 (32%)
- Pre-Seed 2 (11%)
- Series B 2 (11%)
- Series C 1 (5%)
Country
- United States 15 (79%)
- Israel 3 (16%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
|
Alex Bailey
Cofounder and Partner
|
Cofounder and Partner | Total investments: 0 | Find email | |
|
Mark Bailey
Cofounder and CEO
|
Cofounder and CEO | Total investments: 16 | Find email |
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Tacta Systems
|
Tacta Systems develops robotics with human-like tactile abilities with Dextrous Intelligence, the nervous system for robots. | $64M / Series A / Jun 26, 2025 | |
Bonfy.AI
|
Bonfy.AI is a software company that allows users to secure from cybersecurity threats, privacy violations, and regulatory compliance issues. | $9.5M / Seed / Jun 26, 2025 | |
Alinea
|
Alinea is a mobile investing platform that enables users to invest in stocks and exchange-traded funds. The platform allows users to create curated playlists of investments, offering a structured way to diversify portfolios based on interests and themes. Alinea provides tools to automate investing through recurring contributions and supports usersin making financial decisions by presenting relevant insights. The platform also includes a social component, where users can view and share investment strategies with peers. Alinea targets individuals seeking a simplified approach to personal finance and investing. The app is designed for those looking to start investing without requiring advanced financial knowledge. Alinea operates as a self-directed investment service with an emphasis on thematic and goal-based investing. | $16.1M / Series A / Apr 09, 2025 | |
DeltaGen
|
DeltaGen is an enterprise AI company transforming buyside M&A by automating 80% of manual workflows—eliminating inefficiencies and accelerating deal velocity for corporate development teams, private equity firms, and strategic acquirers. Unlike traditional AI tools that rely on manual prompting, DeltaGen’s no-prompt AI delivers highly accurate,deterministic insights with seamless integration. | $1.2M / Pre-Seed / Nov 01, 2024 | |
dataroomHQ
|
dataroomHQ provides the blueprint for efficient growth, allowing SaaS companies to do more with less. Its platform delivers a single source of truth for all operational metrics, allowing business leaders to automate reporting, identify the best customers, prepare for capital raises, and use ML-powered predictions to optimize for the future. Thecompany is on a mission to help SaaS companies efficiently grow their business. | $3.5M / Seed / Feb 06, 2024 | |
Zenity
|
Zenity is the first and only governance and security platform for low-code/no-code applications. It creates a win-win environment where IT and information security can give business and pro developers the independence they want to move the business forward while retaining full visibility and control. | $16.5M / Series A / Sep 12, 2023 | |
Trustmi
|
Trustmi is the end-to-end payment security solution that assists organizations in protecting their bottom line by reducing losses caused by cyberattacks, internal collusion, and human mistakes ensuring payments go to the right place. | $17M / Series A / Jul 26, 2023 | |
NumberOne AI
|
NumberOne AI is a startup that applies Artificial Intelligence (AI) and Machine Learning (ML) to broad global challenges. | $13M / Series A / Oct 11, 2022 | |
Makua
|
Makua is the Airbnb for donating. Explore the best nonprofits, get inspired to give, and easily make donations. See what causes your friends support, work towards philanthropy goals, and see the impact of your donations — all in one place. Makua is revolutionizing the way people give. Join the #MakuaMovement on our mission to raise humanity. | $500K / Pre-Seed / Jun 01, 2022 | |
hOS
|
hOS is an early-stage AI technology company. | $12.8M / Seed / Feb 09, 2022 | |
| See all 19 investments → | |||
Co-Investors
Cyberstarts
5 deals together
Cortical Ventures
2 deals together
Garuda Ventures
2 deals together
New Enterprise Associates
2 deals together
Y Combinator
2 deals together
Aera VC
1 deal together
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FAQ
What does B5 Capital invest in?
B5 Capital invests primarily in Software, Artificial Intelligence and Cyber Security startups, most often at Seed and Series A stage. Most of the 19 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact B5 Capital?
Public channels for B5 Capital include LinkedIn and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
Who are the partners at B5 Capital?
The team at B5 Capital includes Alex Bailey (Cofounder and Partner) and Mark Bailey (Cofounder and CEO). The Team section lists each member with their title, investment count and links.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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