Chalfen Ventures is a solo VC firm founded by Mike Chalfen, backing European early-stage software startups aiming to grow and dominate new and often unusual markets.
Deal activity increased 67% year-over-year (5 deals in the last 12 months). Their most common stage is seed (46% of deals). Average disclosed round size is $12.5M (across 20 rounds with reported amounts).
Portfolio
21
Fund Size
—
Top Stage
Seed
Last 12 Mo
5
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
24 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 SurrealDB | Series A | $23M | Feb 2026 |
 Biographica | Series A | $8.8M | Jan 2026 |
 Iridius | Seed | $8.6M | Jan 2026 |
 Deblock | Series A | — | Nov 2025 |
 UPCITI | Series A | $20M | Oct 2025 |
 Tracelight | Seed | $3.6M | Aug 2025 |
 Kraaft | Series A | — | Jan 2025 |
 Stackfix | Seed | $3M | Dec 2024 |
 Cogna | Series A | $15M | Nov 2024 |
 Worldover | Seed | $3M | Sep 2023 |
| UPCITI | Unknown | $7.5M | Jul 2023 |
 AtomicJar | Series A | $25M | Jan 2023 |
 5mins | Seed | $5.7M | Nov 2022 |
 Luminovo | Series A | — | Aug 2022 |
 Amenitiz | Series A | $30M | Apr 2022 |
 Opply | Seed | $4M | Jan 2022 |
 Lokalise | Series B | — | Dec 2021 |
 Sedna | Series B | $34M | Jul 2021 |
 Time is Ltd. | Seed | $5.6M | Jun 2021 |
 Levity | Seed | $8.3M | — |
 Nous | Seed | $10M | — |
| Biographica | Seed | $9.5M | — |
 General Index | Series A | $12M | — |
| Luminovo | Seed | $13M | — |
Top Co-Investors
Entrepreneurs First5 shared
Sequoia Capital2 shared
Insight Partners2 shared
Notion Capital2 shared
Dawn Capital2 shared
Tencent Investment2 shared
Cherry Ventures2 shared
La Famiglia2 shared
Verve Ventures2 shared
SuperSeed Ventures LLP2 shared
Cardumen Capital2 shared
The Helm2 shared
Faber2 shared
20VC2 shared
Point Nine Capital2 shared
Stride.VC2 shared
Inovo1 shared
Tribe Capital1 shared
Boldstart Ventures1 shared
Thrive Capital1 shared
Last updated: 8 September 2026