Irregular Expressions (IrregEx) is a venture capital firm that invests in early-stage (pre-seed, seed, and Series A) infrastructure, data, and machine learning startups, including those focused on DevOps, AI, security, observability, and developer productivity. Their strategy involves leveraging their team of experienced software engineering and product leaders to actively advise and support founders in scaling their companies, products, and teams.
Their most common stage is seed (71% of deals). Average disclosed round size is $5.4M (across 7 rounds with reported amounts).
Portfolio
7
Fund Size
—
Top Stage
Seed
Last 12 Mo
2
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
7 investments
Top Co-Investors
Partech2 shared
Iris Capital2 shared
Kima Ventures2 shared
Sequoia Capital1 shared
Earlybird Venture Capital1 shared
Kaya1 shared
XAnge1 shared
Seedcamp1 shared
K5 Global1 shared
Yellow1 shared
Galion.exe1 shared
M131 shared
First Round Capital1 shared
Cursor Capital1 shared
Frst1 shared
Tiny Supercomputer1 shared
Morpheus Ventures1 shared
Struck Capital1 shared
Last updated: 8 March 2026