18 West Fund I, L.P.
RaisingEmerging manager
Raising: Form D reports no first sale yet
- Vintage
- Unknown
- Fund size
- $50M (Form D)
- Stages
- Seed, Series A
- Sectors
- Quantum
- Regions
- US, Global
01 · Thesis
18 West is an early-stage venture firm investing across the quantum stack, including computing, sensing, networking, and the enabling hardware and software beneath them. It backs seed to Series A+ companies.Inferred from the firm's website
02 · Initial check
$500K to $833K (estimated from fund size)
Estimated from Form D
03 · Who to approach
Named on this fund's Form D
- Zach Greenberg, Co-Founder & Managing Partner
- Adam Klotz, Co-Founder & Managing Partner
04 · Deals
No deals attributed to this fund yet.
05 · Evidence
Firm-wide18 West is an early-stage venture firm focused on quantum technologies across the quantum stack.
We invest across the quantum stack—computing, sensing, networking, and the enabling hardware and software underneath.
https://18w.co/
06 · Sources
Last verified: Oct 28, 2026