The $400 million round was led by Dragoneer.

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ClickHouse raised $400 million at a $15 billion valuation, 2.5x higher than its May 2024 valuation. The database provider, which spun out from Yandex in 2021, specializes in processing massive datasets for AI agents and competes with Snowflake and Databricks. The company also acquired Langfuse, an AI agent observability platform that competes with LangChain's LangSmith. ClickHouse's open-source database generates revenue through managed cloud services, with ARR growing over 250% year-over-year.

Snowflake, Databricks challenger Clickhouse hits $15B valuation