Stefan Kalb
Solo GP · Bainbridge Island, WA
Stefan Kalb is a solo GP based in Bainbridge Island, WA, investing at pre-seed, seed stage. Stefan Kalb's most recent fund with a disclosed size, Massive Tech Ventures Fund, L.P., filed a $15M offering with the SEC in Jul 2025. Estimated typical check: $150K–$450K. Stefan Kalb's latest dated investing activity was in Jul 2025.
Why Stefan Kalb is listed
Named as one of two individuals (Managing Member of the General Partner) on the Form D for Massive Tech Ventures Fund, L.P., a $15M venture fund (Jul 2025).
Source: SEC Form D: Massive Tech Ventures Fund, L.P. (Jul 2, 2025)
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- Stages
- Pre-seed, Seed
- Typical check (est.)
- $150K–$450K
- Latest fund
- $15M · Jul 2025
- Latest dated activity
- Jul 2025
Is Stefan Kalb a fit for you?
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What does Stefan Kalb invest in?
Sector focus not yet verifiedWhat has Stefan Kalb invested in recently?
- Jul 2024
Massive Tech Ventures Fund, L.P.
Invested through a fund
Funds and deal vehicles Stefan Kalb filed with the SEC
- Jul 2025
Massive Tech Ventures Fund, L.P.
Fund · $15M offering
Sources
- SEC Form D: Massive Tech Ventures Fund, L.P.Jul 2, 2025
Data refreshed from public sources Oct 15, 2026. Is this you? Remove or correct this profile.