Start Fund is a seed to Series A stage investment firm based in San Francisco, California, United States. It has made 5 investments, with focus areas including Data & Analytics, Climate & Energy, AI, Logistics & Supply Chain. 40% of their portfolio is in Data & Analytics. They made 2 investments in the last 12 months. Their most common stage is seed (80% of deals). Average disclosed round size is $4.1M (across 5 rounds with reported amounts).
Portfolio
5
Fund Size
—
Top Stage
Seed
Last 12 Mo
2
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
5 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 WeatherPromise | Series A | $12.8M | Jan 2026 |
 Zango AI | Seed | $4M | Jul 2025 |
| SSooqini | Seed | $500K | Sep 2013 |
| PPriceonomics | Seed | $1.5M | May 2012 |
 Scan | Seed | $1.7M | Feb 2012 |
Top Co-Investors
Nexus Venture Partners1 shared
Notion Capital1 shared
Boldstart Ventures1 shared
South Park Commons1 shared
No Label Ventures1 shared
Andreessen Horowitz1 shared
SV Angel1 shared
Spark Capital1 shared
CrunchFund1 shared
Crosslink Capital1 shared
Y Combinator1 shared
Maveron1 shared
Lerer Hippeau1 shared
Clocktower Technology Ventures1 shared
Menlo Ventures1 shared
GV (Google Ventures)1 shared
CRV (Charles River Ventures)1 shared
Social + Capital Partnership1 shared
Transmedia Capital1 shared
Raptor Group1 shared
Last updated: 8 March 2026