PEBBLEBED MANAGEMENT, LLC
PEBBLEBED MANAGEMENT, LLC is a Pre-seed, Seed and Series A fund in the US investing in AI, Healthcare, computing-infrastructure, DeepTech, hardware and communications-technology.
- Stages
- Pre-seed, Seed, Series A
- Sectors
- AI, Healthcare, computing-infrastructure, DeepTech, hardware, communications-technology
- Invests in
- US-wide
- Round role
- Leads rounds
- Actively investing
- Yes
- Founded
- 2022
Check size not disclosed
Thesis
Pebblebed Management, LLC, founded in 2022 and based in San Francisco, is an early-stage venture capital firm focused on supporting technical founders who are developing foundational technologies. Their investment thesis centers on 'self-protecting ideas' that are difficult to execute but create significant value. The firm primarily invests in pre-seed, seed, and Series A rounds, with a strong preference for companies in Artificial Intelligence (AI), computing infrastructure, and deep tech. Specific areas of interest include advanced developer platforms, AI simulation engines, robot operating systems, and formal verification systems. They also explore opportunities in biotech, hardware, and communications technology. While fund sizes are not disclosed, they have made approximately 20 investments per fund. Their latest tracked deal was a $7.5 million Seed investment in BottleCap AI in January 2026.
Common questions
Does PEBBLEBED MANAGEMENT, LLC invest at the Pre-seed stage?
Yes. PEBBLEBED MANAGEMENT, LLC lists Pre-seed, Seed and Series A among the stages it invests in.
Where does PEBBLEBED MANAGEMENT, LLC invest?
PEBBLEBED MANAGEMENT, LLC invests in the US.