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.
Their most common stage is series-a (48% of deals). Average disclosed round size is $15.0M (across 25 rounds with reported amounts).
Portfolio
23
Fund Size
—
Top Stage
Series A
Last 12 Mo
5
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
29 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 |
 General Index | Series A | $12M | Oct 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 |
 Lokalise | Series A | $50M | Jan 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 |
 Reveal | Series A | $50M | Apr 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 |
| AtomicJar | Seed | $4M | Jan 2021 |
| Sedna | Series A | $10M | Jan 2020 |
 Crate | Series A | $11M | Jun 2018 |
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Top Co-Investors
Entrepreneurs First5 shared
Insight Partners5 shared
Dawn Capital3 shared
Stride.VC3 shared
Sequoia Capital2 shared
Tribe Capital2 shared
Boldstart Ventures2 shared
Notion Capital2 shared
CRV2 shared
S16VC2 shared
Creandum2 shared
Eight Roads2 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
Last updated: 7 October 2026