Raised $1.2B across disclosed rounds.[6][8]

Series D closed January 2026, led by Dragoneer Investment Group.[1][2][3][5][7]

post-money valuation is not publicly disclosed.

Named investors include Dragoneer Investment Group, Bessemer Venture Partners, GIC, Index Ventures, Khosla Ventures, Lightspeed Venture Partners, T. Rowe Price, WCM Investment Management, BOND, IVP, Battery Ventures, Benchmark, Coatue, FirstMark, Nebius, Altimeter Capital.[2][3][5][7][8]

Aaron Katz, Co-Founder & CEO[7][8][9][10][15][16]

Alexey Milovidov, Co-Founder & CTO[7][8][9][10][15][16]

Yury Izrailevsky, Co-Founder[7][8][9][10][15][16]

Kevin Egan, Chief Revenue Officer[6][7][11][12][15]

Alexey Bashkeev, VP of Engineering[6][7][11][12][15]

Sai Krishna Srirampur, Director, Postgres[6][7][11][12][15]

Andy Pavlo, VP of Database Research[6][7][11][12][15]

Snowflake · snowflake.com · Named directly as a competitor by Bloomberg and TechCrunch; same buyer evaluating a cloud data platform for analytics and AI workloads.[1][2]

Databricks · databricks.com · Named directly as a competitor by Bloomberg and TechCrunch; same buyer evaluating a data platform for analytics and AI workloads.[1][2]

LangSmith · smith.langchain.com · Langfuse, acquired by ClickHouse, competes directly with LangSmith for LLM observability; same developer buyer evaluating agent tracing and evaluation tools.[2]

Elastic · elastic.co · ClickHouse positions against Elasticsearch for log analytics, running benchmarks showing faster cold queries and lower storage footprint; same observability buyer.[6]

The customer proof is company-sourced only. No independent source in this ledger confirms it.[6]

Ask for one referenceable production customer.

Not a recommendation. The first thing this ledger cannot answer.

Filled in the side panel for invited readers. This card carries sourced facts only.