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Pebblebed is a seed-stage venture firm for technical founders, backing people solving technically rigorous problems across deep tech, AI, developer platforms, and infrastructure. It was founded by former Facebook and OpenAI engineers and operates as both a fund and an intentional learning community for technologists.
Deal activity increased 50% year-over-year (3 deals in the last 12 months). Their most common stage is seed (53% of deals). Average disclosed round size is $10.4M (across 17 rounds with reported amounts).
Portfolio
17
Fund Size
—
Top Stage
Seed
Last 12 Mo
3
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
19 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| Seed | $8M | Apr 2026 | |
| Unknown | — | Feb 2026 | |
| Seed | $8.5M | Jan 2026 | |
| Series A | $28M | Dec 2025 | |
| Seed | $7M | Apr 2025 | |
| Seed | $7M | Apr 2025 | |
| VVidoc Security Lab | Unknown | $2.4M | Jan 2024 |
| VVidoc | Unknown | $2.4M | Jan 2024 |
| Seed | $6.6M | Mar 2023 | |
| Series A | $15M | Jan 2023 | |
| VVidoc Security Lab | Pre-Seed | — | Jan 2023 |
| Seed | $11M | Sep 2022 | |
| Seed | $11M | Jan 2022 | |
| Unknown | $20M | — | |
| Seed | $8M | — | |
| Growth | $22M | — | |
| Seed | $6.6M | — | |
| Unknown | $2.6M | — | |
| Seed | $11M | — |
Top Co-Investors
e2vc3 shared
XFactor Ventures3 shared
Firestreak Ventures3 shared
Obvious Ventures3 shared
BrightEdge3 shared
Village Global3 shared
AXIAL Partners3 shared
Crew Capital2 shared
Boldstart Ventures2 shared
Felicis2 shared
Uncorrelated Ventures2 shared
Superorganism2 shared
Genius Ventures2 shared
Lowercarbon Capital2 shared
ReGen Ventures2 shared
ZhenFund2 shared
HOF Capital2 shared
Bowery Capital1 shared
Sozo Ventures1 shared
Last updated: 20 October 2026