Peter Sonsini

Investing Profile

Sweet spot: $25K Range: $5K–$50K

Sector and stage focus

  • Series B: Consumer Internet, Enterprise
  • Series A: Enterprise, Consumer Internet
  • Seed: Consumer Internet, Enterprise
  • general: San Francisco Bay Area, Angel, Scout, and Solo-Capitalists

Recent investments by Peter Sonsini

Peter Sonsini has 8 named past investments in the public record. The most recent:

Company Stage Date Round size
Tensormesh Seed Oct 2025 $5M
Forethought Series D May 2025 $25M
Arcade.dev Seed Mar 2025 $12M
Granica Series A Jun 2023 $45M
Perplexity Series Unknown Jul 2025 $100M
Instabase Series D Jan 2025 $100M
Databricks Series Unknown Dec 2025 $5B
AISquared Series A Apr 2024 $14M

Frequent co-investors

Peter Sonsini has co-invested with: Ben Horowitz, Sebastian Duesterhoeft, Florian Seroussi, Chintan Patel, Paul Buchheit, Karan Mehandru.

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