Costanoa Ventures is an early-stage venture capital firm that primarily invests in B2B enterprise technology companies, focusing on areas such as fintech, data infrastructure, applied AI, cybersecurity, and defense tech. Their strategy involves a hands-on, high-touch approach, partnering closely with founders to provide strategic guidance and operational support for efficient growth.
Deal activity increased 57% year-over-year (11 deals in the last 12 months). Average disclosed round size is $28.1M (across 51 rounds with reported amounts).
Portfolio
54
Fund Size
$2B
Top Stage
Series A
Last 12 Mo
11
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
54 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| NNatter | Series A | $23M | Apr 2026 |
 Shepherd | Series B | $42M | Mar 2026 |
 Manifold Security, Inc. | Seed | $8M | Mar 2026 |
 Smack Technologies | Unknown | — | Mar 2026 |
| TTenna Systems | Seed | $13.5M | Feb 2026 |
 Ivo | Series B | $55M | Jan 2026 |
 Aquabyte | Unknown | — | Dec 2025 |
| SSpectral Compute | Seed | $6M | Nov 2025 |
| PPathwork | Seed | $3.5M | Sep 2025 |
 Empirical Security | Seed | $12M | Jul 2025 |
 Muon Space | Series B | $146M | Jun 2025 |
 Rerun | Seed | $17M | Mar 2025 |
 SGNL | Series A | $30M | Feb 2025 |
| Ivo | Series A | $16M | Feb 2025 |
 System Two Security | Seed | $7M | Dec 2024 |
 Fixify | Series A | $25M | Oct 2024 |
| Muon Space | Series B | $56.7M | Aug 2024 |
 Cadana | Seed | $7.4M | Jun 2024 |
| Shepherd | Series A | $13.5M | Feb 2024 |
| DDelphina | Seed | $7.5M | Dec 2023 |
 Mindtrip | Seed | $7M | Sep 2023 |
 Smile Identity | Series B | $20M | Feb 2023 |
 Vannevar Labs | Series B | $75M | Jan 2023 |
 Vic.ai | Series C | $52M | Dec 2022 |
 Alation | Series E | $123M | Nov 2022 |
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Top Co-Investors
Icon Ventures4 shared
Scale Venture Partners4 shared
Salesforce4 shared
Spark Capital3 shared
Union Square Ventures3 shared
Altos Ventures3 shared
M12 (Microsoft)3 shared
Radical Ventures3 shared
Uncork Capital3 shared
ValueStream Ventures2 shared
Intercept2 shared
Future Africa2 shared
Webb Investment Network2 shared
General Catalyst2 shared
GGV Capital2 shared
Cowboy Ventures2 shared
Iconiq Capital2 shared
Owl Ventures2 shared
ClearSky2 shared
Thoma Bravo2 shared
Last updated: 10 April 2026