ClickHouse Extends Series C Funding Round

ClickHouse, a San Francisco, CA-based open-source columnar database management system, has extended its Series C funding round.

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.

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.

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