Active: new fund Jan 2026 Verified 10 Nov 2026
18 West
Early-stage venture firm investing across the quantum technology stack, including computing, sensing, networking and enabling hardware and software, with entry from seed to Series A. Based in San Francisco, CA.
- Type
- VC firm
- Location
- San Francisco, California, United States
- Stages
- Seed, Series A
- Sectors
- Quantum
- Fund size / AUM
- $50M 18 West Fund I (Form D offering, 2026)
- Latest fund or filing
- 27 Jan 2026
- Website
- 18w.co
Fund filings (SEC Form D)
- Latest fund on file
- 18 West Fund I
- Filed
- 27 Jan 2026 (new notice)
- Fund size
- $50M (total offering)
- Fund vehicles filed in the last 12 months
- 1 (includes feeder and parallel vehicles)
See this fund's filings on SEC EDGAR
Contacts on file
For 18 West, the paid file holds: 2 named decision-makers with roles.
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Sources
Last checked 10 Nov 2026. Is something wrong? Tell us.
Appears in 18 lists
Seed quantum investors in the US (19)Series A quantum investors (25)Quantum venture capital firms in the US (30)Seed quantum investors (46)Quantum investors (65)Series A investors in the San Francisco Bay Area (125)Series A investors in California (149)Emerging VC managers in the US (283)Seed investors in the San Francisco Bay Area (349)Series A investors in the US (390)Seed investors in California (441)Venture capital firms in the San Francisco Bay Area (819)Series A investors (882)Seed investors in the US (1,088)Venture capital firms in California (1,094)Active venture capital firms in the US (1,642)Seed investors (1,936)Venture capital firms in the US (3,071)