Funding › Investors

Theory Ventures portfolio: 2 rounds in AI and data

Rounds where Theory Ventures led or took part, newest first. Led: 1.

1. Ollama raises $65M Series B, Jul 9, 2026. Developer tools. Led by Theory Ventures. Open-source tool for running open-weight AI models locally, plus a paid cloud service.
2. Sail Research raises $80M Series A, Jun 25, 2026. AI infrastructure. Led by Kleiner Perkins, Sequoia. Provides an inference stack and stateful sandboxes for running long-lived AI agents.