# Database Maker ClickHouse Raises $400M, Acquires AI Observability Startup Langfuse

> **Platform:** [SPIDITS AI](https://spidits.com/) — Real-Time AI News & Market Intelligence  
> **Published:** 2026-01-16T12:00:00.000Z  
> **Category:** FUNDING  
> **Impact Score:** 260/100  
> **Primary Source:** [SiliconANGLE](https://siliconangle.com/2026/01/16/database-maker-clickhouse-raises-400m-acquires-ai-observability-startup-langfuse)  
> **Canonical Citation:** [https://spidits.com/timeline/database-maker-clickhouse-raises-400m-acquires-ai-observability-startup](https://spidits.com/timeline/database-maker-clickhouse-raises-400m-acquires-ai-observability-startup)

## Executive Summary
Open-source database maker ClickHouse Inc. today announced that it has closed a $400 million late-stage funding round at a $15 billion valuation. The Series D investment, which comes about six months after the company's previous raise, was led by Dragoneer.

## Referenced Coverage & Sources
- **[SiliconANGLE](https://siliconangle.com/2026/01/16/database-maker-clickhouse-raises-400m-acquires-ai-observability-startup-langfuse)**: Database maker ClickHouse raises $400M, acquires AI observability startup Langfuse — _Open-source database maker ClickHouse Inc. today announced that it has closed a $400 million late-stage funding round at a $15 billion valuation. The Series D investment, which comes about six months after the company's previous raise, was led by Dragoneer. It was joined by GIC, Index Ventures..._

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*Synthesized by SPIDITS AI Market Intelligence Desk. Track live AI news, model releases, and funding: [https://spidits.com](https://spidits.com)*