ClickHouse Raises $400M at $15B Valuation, Cementing Real-Time Analytics Dominance
- ByStartupStory | January 19, 2026
ClickHouse, the open-source columnar database powering instant analytics for Fortune 500 data teams, has raised $400 million in a blockbuster funding round, catapulting its valuation to $15 billion as enterprises worldwide embrace sub-second queries on petabyte-scale datasets.
Originally developed inside Yandex for search analytics, ClickHouse disrupts legacy warehouses like Snowflake and BigQuery by processing billions of rows per second on commodity hardware – without indexes or sharding complexity. Its vectorized query engine and MergeTree storage deliver 100x faster performance on clickstream, observability, and recommendation workloads, fueling adopters from Cloudflare’s 20 million RPS metrics to Uber’s real-time fraud detection.
Founders Alexey Milovidov and Aleksei Stratulatov engineered ClickHouse for Russia’s 2016 Olympics traffic spike, open-sourcing it to explosive growth: 25,000 GitHub stars, 10% of Fortune 100 customers, and $100 million ARR run-rate. The funding – led by paradigm-shifting VCs – accelerates cloud-native expansions like embedded RAG for AI agents and multi-cloud federated queries.
Funding Fuels Global AI Data Backbone
$400 million doubles engineering to conquer time-series dominance, where ClickHouse already processes 1 trillion events daily across fintech fraud rings and e-commerce personalization. At $15 billion valuation, it proves real-time analytics demands vector databases that ingest faster than LLMs hallucinate – ClickHouse just locked in the infrastructure powering AI’s data flywheel for the next decade.
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