Slimmer AI is an AI venture studio based in Amsterdam that partners with exceptional founders to co-build and invest in B2B SaaS companies leveraging AI and machine learning. Founded in 2009, it provides product development, engineering, and go-to-market support alongside capital.
50% of their portfolio is in Manufacturing. Their most common stage is seed (50% of deals).
Portfolio
4
Fund Size
—
Top Stage
Seed
Last 12 Mo
0
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
Portfolio
6 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Hadrian | Series C | — | Jul 2025 |
| Hadrian | Pre-Seed | — | Nov 2021 |
| Hadrian | Seed | $9.5M | Apr 2021 |
 Vesper | Seed | — | Jan 2021 |
 Evidencehunt | Unknown | — | — |
| SSentinels | Seed | — | — |
Top Co-Investors
Andreessen Horowitz2 shared
Picus Capital2 shared
Lux Capital2 shared
Founders Fund2 shared
DFF Ventures1 shared
Keen Venture Partners1 shared
INKEF Capital1 shared
Accomplice1 shared
Village Global1 shared
Construct Venture1 shared
HV Capital1 shared
Last updated: 20 October 2026