Funding › Investors

FirstMark portfolio: 8 rounds in AI and data

Rounds where FirstMark led or took part, newest first. Led: 2.

  1. Daytona raises $60M Series B, . AI infrastructure. Led by FirstMark. Daytona is building an agentic cloud platform specifically for AI agents.
  2. Rillet raises $100M Series C, . AI apps. Led by Iconiq. AI-native accounting and general ledger platform for finance teams.
  3. Onyx Security raises $113M Series B, . Security. Led by Bessemer Venture Partners. Onyx Security monitors enterprise AI agents and enforces governance rules on their actions in real time.
  4. Nebulock raises $25M Series A, . Security. Led by FirstMark. Nebulock runs AI-driven threat hunting and behavioral analytics across endpoint, cloud and identity activity.
  5. Synthesia raises $200M Series E, . AI apps. Led by GV. Synthesia offers an AI video platform that turns text into videos presented by digital avatars for corporate training and communication.
  6. Estuary raises $17M Series A, . Data infrastructure. Led by M13. Estuary runs a managed platform that moves data between systems using change data capture, streaming and batch pipelines.
  7. ClickHouse raises $350M Series C, . Databases. Led by Khosla Ventures. ClickHouse builds an open source column-oriented database for real-time analytics, offered as a managed cloud service.
  8. Synthesia raises $180M Series D, . AI apps. Led by NEA. Synthesia offers an AI video platform that turns text into videos presented by digital avatars for corporate training and communication.