Second Avenue Partners is a Seattle-based venture capital firm founded in 2000 that provides management, strategy, and capital to early-stage companies in the Greater Puget Sound area, with a focus on internet, consumer products, social media, software, and clean energy.
Average disclosed round size is $20.8M (across 10 rounds with reported amounts).
Portfolio
10
Fund Size
—
Top Stage
Unknown
Last 12 Mo
0
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
10 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Iota Software | Series A | $10.4M | Oct 2024 |
| IIOTA Software Inc. | Unknown | $10.4M | Oct 2024 |
 Seeq | Series D | $50M | Aug 2024 |
 FitOn | Series B | $18M | Oct 2021 |
 Knock | Growth | $20M | Feb 2021 |
 031 Modumetal | Series B | $33.5M | Aug 2015 |
| PPressplane | Seed | $3.5M | Jun 2011 |
 Fanzter | Unknown | $2M | Jan 2009 |
| AAzaleos | Series C | $10M | Jan 2007 |
| SSeeq Corp | Unknown | $50M | — |
Top Co-Investors
Altira Group4 shared
Chevron Technology Ventures2 shared
Insight Partners2 shared
Madrona Venture Group2 shared
Accel2 shared
Hercules Capital, Inc.1 shared
Alliance of Angels1 shared
bp ventures1 shared
ConocoPhillips1 shared
Golden Seeds1 shared
Founders Fund1 shared
Catapult Ventures1 shared
Sixth Street Growth1 shared
Prosperity7 Ventures1 shared
Seven Peaks Ventures1 shared
Lead Edge Capital1 shared
Fifth Wall1 shared
Crosscut Ventures1 shared
Maverick Ventures1 shared
Delta-v Capital1 shared
Last updated: 9 September 2026