WS
Wilson Sonsini
Wilson Sonsini is a seed to Series B stage investment firm. It has made 13 investments. They made 1 investment in the last 12 months. Average disclosed round size is $16.6M (across 17 rounds with reported amounts).
Portfolio
13
Fund Size
—
Top Stage
Series A
Last 12 Mo
1
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
17 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Latitude | Series A | $35M | Sep 2026 |
 Ducky | Pre-Seed | $2.7M | May 2024 |
 Slice | Seed | $645K | Jan 2024 |
 Tangibly | Seed | $6.5M | Jul 2023 |
 Smartlens | Series A | $6.1M | Jul 2023 |
 Lexion | Series B | $20M | Jan 2023 |
 Cloudian | Unknown | $60M | Jan 2023 |
 SonoThera | Series A | $60.8M | Jan 2022 |
| Lexion | Series A | $11M | Jan 2021 |
| NNextVivo | Unknown | $7.9M | Jan 2021 |
| WWayin | Series D | $13.1M | Jul 2014 |
 Clearbrief | Seed | $3.5M | — |
| SSingleFile Technologies | Series A | $9M | — |
| WWayin | Series C | $13.1M | — |
| WWayin | Series B | $14M | — |
| WWayin | Series A | $6.4M | — |
 Miga Health | Seed | $12M | — |
Top Co-Investors
private angel investors4 shared
WS Investment Company3 shared
U.S. Venture Partners3 shared
Khosla Ventures3 shared
Madrona Venture Group3 shared
Alexandria Venture Investments2 shared
Cooley LLP1 shared
The LegalTech Fund1 shared
Pioneer Square Labs1 shared
Alumni Ventures1 shared
Quiet Capital1 shared
VamosVentures1 shared
Lux Capital1 shared
Floating Point1 shared
Asymmetric Capital Partners1 shared
Penny Jar Capital1 shared
NOMO Ventures1 shared
Bread & Butter Ventures1 shared
Lightspeed Faction1 shared
Oak HC/FT1 shared
Last updated: 20 October 2026