Funding › Investors

Lightspeed Venture Partners AI portfolio: 7 rounds

Rounds where Lightspeed Venture Partners led or took part, newest first. Led: 1.

1. Raindrop raises a Series A round, Sep 17, 2026. Developer tools. Led by CRV. Monitoring and simulation tools that detect failures in production AI agents.
2. Profound raises $180M Series D, Sep 15, 2026. AI apps. Led by Sequoia, Kleiner Perkins. Marketing software that helps brands track and improve how they appear in AI search answers.
3. Temporal raises $550M Series E, Sep 14, 2026. Developer tools. Led by Lightspeed Venture Partners, Wellington Management. Open-source durable execution platform for reliable long-running workflows and AI agents.
4. Stability AI raises $76M Series B, Aug 25, 2026. AI models. Develops generative image, audio and video models for media and entertainment.
5. Oligo Security raises $60M Series C, Aug 4, 2026. Security. Oligo Security provides runtime security that detects and blocks exploits in applications, cloud workloads and AI systems.
6. Fireworks AI raises $1.5B Series D, Jul 15, 2026. AI infrastructure. Led by Atreides Management, Index Ventures, TCV. Inference platform for running and customising open models on enterprise data.
7. Patronus AI raises $50M Series B, Jun 25, 2026. AI infrastructure. Led by Greenfield Partners. Builds evaluation and simulation environments for testing and training AI agents.