
Big Sur Ventures is a Madrid-based venture capital firm focused on early-stage technology and deep tech investments, primarily in Spain and Europe. Since 2012, the firm partners with world-class founders as a high-conviction investor from pre-seed through Series A.
They made 2 investments in the last 12 months. Average disclosed round size is $6.4M (across 5 rounds with reported amounts).
Portfolio
19
Fund Size
—
Top Stage
Series A
Last 12 Mo
3
Team
Eduardo Montes
Board Member
AG
Alvaro Garcia Blazquez
Partner
DC
Diego Cervera Negueruela
Principal
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
22 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| Seed | $18M | Mar 2026 | |
| TTolemy Bio | Pre-Seed | — | Jan 2026 |
| Series A | — | Oct 2025 | |
| Growth | — | Jan 2025 | |
| Series A | — | Jan 2025 | |
| Unknown | — | Jan 2024 | |
| CCiudadela | Unknown | — | Jan 2024 |
| Series A | — | Nov 2023 | |
| Series B | — | Jan 2020 | |
| Series A | — | Jan 2019 | |
| Series A | $6M | Oct 2018 | |
| Seed | $4M | Jun 2017 | |
| Seed | $2.2M | — | |
| Series A | — | — | |
| Pre-Seed | $2M | — | |
| Pre-Seed | — | — | |
| Unknown | — | — | |
| Unknown | — | — | |
| Unknown | — | — | |
| Series A | — | — | |
| Unknown | — | — | |
| Seed | — | — |
Top Co-Investors
JME Ventures7 shared
Telefonica4 shared
Kibo Ventures3 shared
Athos Capital3 shared
Earlybird Venture Capital2 shared
Sabadell Venture Capital2 shared
HV Capital2 shared
Acurio Ventures2 shared
Shilling Capital Partners2 shared
Nauta Capital2 shared
Corning2 shared
XYZ Venture Capital1 shared
Bessemer Venture Partners1 shared
Bonsai Partners1 shared
Robin Capital1 shared
42CAP1 shared
Reach Capital1 shared
Fuel Ventures1 shared
Kleiner Perkins1 shared
Engine Ventures1 shared
Last updated: 8 September 2026