Helena is a family office and syndicate. Team members are concentrated in New York, United States. The known portfolio counts 11 companies, including Positron, Aether Diamonds, Matter, Lykos Therapeutics, Phaidra and Twin Health.
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Investment focus
Who to pitch at Helena
Helena portfolio companies (11)
- Positron
- Aether Diamonds
- Matter
- Lykos Therapeutics
- Phaidra
- Twin Health
- Cruz Foam
- OCEANIX
- Commonwealth Fusion
- The Consilience Project
- Universal Digital
Co-investors
Funds that share portfolio companies with Helena.
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About Helena
The firm's listing covers sectors AI, Climate, Hardware and Healthcare, and focus areas AI Applications, Alt Materials, Automotive and Biotech; known deals cluster at Growth, Late-Stage and Seed.
The contacts to approach at Helena are Suprotik Basu (Managing Partner), Jan Jaro (Investor) and Sam Feinburg (Investor).
Across the known portfolio, 20 co-investors appear alongside Helena, including 1517 Fund, Vine Ventures and Flume Ventures.
Frequently asked questions
What is Helena?
Helena is a family office and syndicate whose team is concentrated in New York, 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 Helena invest in?
Listed sectors include AI, Climate, Hardware and Healthcare; listed focus areas include AI Applications, Alt Materials, Automotive and Biotech. 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 Helena invest at?
The known deals of Helena include Growth, Late-Stage and Seed 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 Helena?
All 3 people on file at Helena are listed as contacts for the firm, each with their own profile page.
How do I contact Helena?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 3 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