ClickHouse Raises $400M in Series D Funding

Alongside the financing, ClickHouse acquired Langfuse and introduced managed Postgres, extending its analytics platform into AI observability and transactional workloads.

Round size
$400M
Stage
Series D
Headquarters
United States
Announced
Jan 16, 2026

Analytics embedded in live applications

ClickHouse processes data for real-time analytics, product telemetry and observability. Its managed service has more than 3,000 customers, and annual recurring revenue grew over 250% year on year.

Connecting transactions, analytics and AI evaluation

Langfuse adds tools for tracing and evaluating language-model applications. The new Postgres service synchronizes transactional data into ClickHouse, giving developers a combined stack for operational applications and analytical queries.

Sources

  1. ClickHouse: funding announcement
  2. Reuters: Series D and $15 billion valuation
  3. TechCrunch: ClickHouse financing
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