
ClickHouse, a San Francisco, CA-based open-source columnar database management system, has extended its Series C funding round.
Investors
New investors include Citi Ventures, Insight Partners, Peak XV Partners, Founders Circle Capital, D. E. Shaw Ventures, Adams Street Partners, Rosberg Ventures, Expanding Capital, and individuals such as Brock Purdy, Christian McCaffrey, and Kyle Juszczyk. The round also saw continued participation from Altimeter, Bessemer Venture Partners, IVP, BOND, and GIC.
ClickHouse Use of Funds
The extended financing will be used to scale ClickHouse’s data platform, advance capabilities across analytics, AI/ML, and observability, and support global customer expansion.
About ClickHouse
Led by CEO Aaron Katz, ClickHouse is an open-source, columnar database management system designed for real-time data processing and analytics. It enables real-time querying and analysis of massive datasets using SQL. Its solutions support use cases such as observability, monitoring, fraud detection, business intelligence, and ML/GenAI. The company serves more than 2,000 customers, including leading organizations such as Sony, Tesla, Anthropic, Memorial Sloan Kettering, Lyft, and Instacart. Its mission is to empower organizations with lightning-fast analytics on massive datasets.
Funding Details
Company: ClickHouse, Inc.
Raised: Undisclosed
Round: Series C Extension
Funding Date: October 2025
Investors: Citi Ventures, Insight Partners, Peak XV Partners, Founders Circle Capital, D. E. Shaw Ventures, Adams Street Partners, Rosberg Ventures, Expanding Capital, Brock Purdy, Christian McCaffrey, Kyle Juszczyk, Altimeter, Bessemer Venture Partners, IVP, BOND, GIC
Company Website: https://clickhouse.com/
Software Category: Real-Time Analytics / Data Infrastructure / AI & ML
Source: https://www.businesswire.com/news/home/20251007292299/en/