R-Squared Ventures is a venture capital firm. Based in Los Altos, California, United States. The known portfolio counts 11 companies, including SiPhox Health, Nimble Way, Finout, Slice Global, Alysio and Quantum Elements.
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Investment focus
Who to pitch at R-Squared Ventures
R-Squared Ventures portfolio companies (11)
- SiPhox Health
- Nimble Way
- Finout
- Slice Global
- Alysio
- Quantum Elements
- Xaira Therapeutics
- Panjaya
- Clearitty
- Brandbird
- Panajaya
Co-investors
Funds that share portfolio companies with R-Squared Ventures.
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About R-Squared Ventures
The firm's listing covers sectors AI, Commerce, FinTech and SaaS, and focus areas AI Applications, Commerce Enablement, E-Commerce and Enterprise SaaS; known deals cluster at Pre-Seed, Seed and Series A.
The contacts to approach at R-Squared Ventures are Roy Rubin (Founding Partner) and Roy Erez (Founding Partner).
Across the known portfolio, 20 co-investors appear alongside R-Squared Ventures, including Parker Institute for Cancer Immunotherapy, Databricks and Castor Ventures (an Alumni Ventures Fund).
Frequently asked questions
What is R-Squared Ventures?
R-Squared Ventures is a venture capital firm based in Los Altos, California, United States, with a known portfolio of 11 companies. The portfolio comes from public investment records rather than from the firm, so deals that never surfaced publicly are not in it.
What does R-Squared Ventures invest in?
Listed sectors include AI, Commerce, FinTech and SaaS; listed focus areas include AI Applications, Commerce Enablement, E-Commerce and Enterprise SaaS. Those tags come from the portfolio attached to the firm, so they describe what has been backed rather than a stated mandate for what comes next.
What stage does R-Squared Ventures invest at?
The known deals of R-Squared Ventures include Pre-Seed, Seed and Series A rounds. Check that against your own round before reaching out: stage mismatch is the most common reason a well matched sector still goes nowhere.
Who should I pitch at R-Squared Ventures?
Both people on file at R-Squared Ventures are listed as contacts for the firm, each with their own profile page.
How do I contact R-Squared Ventures?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 2 people attached to the firm have their own pages, each showing whether an address is on file for them.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal