Stealth is an accelerator and venture capital firm. Team members are concentrated in San Francisco, California, United States. Known portfolio companies include Lingopal, NVision Imaging Technologies, GEMGEM, Hilt, Scarlet AI and SimuPhish, 6 companies in all.
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Investment focus
Who to pitch at Stealth
Stealth portfolio companies (6)
- Lingopal
- NVision Imaging Technologies
- GEMGEM
- Hilt
- Scarlet AI
- SimuPhish
Co-investors
Funds that share portfolio companies with Stealth.
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About Stealth
The firm's listing covers sectors AI, FinTech, Hardware and Healthcare, and focus areas Computer Vision, Cybersecurity, DAO tooling and Developer Tools; known deals cluster at Pre-Seed, Seed and Series A.
The team counts 88 people in our database. Zachary Farkas (Founder), Ali Sina (Founder and CEO) and Nir Sabato (Co-founder and CEO) are shown as the contacts to pitch.
Across the known portfolio, 7 co-investors appear alongside Stealth, including AI Investments, Pathena and Marquee Ventures.
Frequently asked questions
What is Stealth?
Stealth is an accelerator and venture capital firm whose team is concentrated in San Francisco, California, United States, with a known portfolio of 6 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 Stealth invest in?
Listed sectors include AI, FinTech, Hardware and Healthcare; listed focus areas include Computer Vision, Cybersecurity, DAO tooling and Developer Tools. 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 Stealth invest at?
The known deals of Stealth 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 Stealth?
3 of the 88 people on file at Stealth are listed as contacts for the firm. All 88 have their own profile page.
How do I contact Stealth?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 88 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