ClickHouse

ClickHouse is a technology company.

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Updated: Feb 17, 2026 ·

Recent News & Mentions

May 1, 2025FundingClickHouse - Series C Oct 1, 2021FundingClickHouse - Series B Sep 1, 2021FundingClickHouse - Series A

Financial History

ClickHouse has raised $650.0M across 3 funding rounds. Most recently, it raised $350.0M Series C in May 2025.

Total Raised

$650.0M

Valuation

N/A

Funding Rounds Raised

Date	Round	Other Investors
May 1, 2025	$350.0M Series C	Accel, AIX Ventures, Altimeter Capital, Battery Ventures, Benchmark, Bessemer Venture Partners, Bond, C2 Investment, Citi Ventures, Coatue, Costanoa Ventures, DTCP, Felicis Ventures, FirstMark Capital, Flex Capital, Foundation Capital, General Catalyst, Vidu Shanmugarajah, Hanabi Capital, Innovation Endeavors, IVP, Khosla Ventures, Lightspeed India Partners, Lightspeed Venture Partners, M12, Maven Ventures, MMC Ventures, Philip Chopin, Shailendra Singh, Preston-Werner Ventures, Redpoint Ventures, Swift Ventures, TCV, The Hit Forge, Todd and Rahul's Angel Fund, Trinity Ventures, Vertex Ventures, Wing Venture Capital, Y Combinator, York IE, Alex Stamos, Amjad Masad, Augusto Marietti, Balaji Srinivasan, Ben Tossell, Bob Muglia, Christian Reber, Christopher Golda, Dylan Field, Gerhard Eschelbeck, Jeff Bezos, Kevin Weil, Kyle York, Mark Cuban, Mattia Astori, Peter Sonsini, Scott Belsky, Shane Neman, Stanley Druckenmiller, Tobias Lutke, Yann LeCun
Oct 1, 2021	$250.0M Series B	2048 Ventures, Accel, Altimeter Capital, Authentic Ventures, Battery Ventures, Benchmark, Bessemer Venture Partners, Bond, BoxGroup, Canvas Ventures, Chemistry VC, Citi Ventures, Coatue, Company Capital, CRV, Felicis Ventures, FirstMark Capital, Flex Capital, Hanabi Capital, IVP, Khosla Ventures, Lightspeed India Partners, Lightspeed Venture Partners, Shailendra Singh, Preston-Werner Ventures, RRE Ventures, RTP Ventures, Saga, Sequoia Capital, South Park Commons, Stellar Capital, Todd and Rahul's Angel Fund, Y Combinator, Yext, Adam D'Angelo, Alexander Sacerdote, Augusto Marietti, Ben Tossell, Christopher Golda, Drew Houston, Frederic Kerrest, Jeff Bezos, John Collison, Joshua Reeves, Kevin Weil, Scott Belsky, Tien Tzuo
Sep 1, 2021	$50.0M Series A	2048 Ventures, Authentic Ventures, Benchmark, BoxGroup, Canvas Ventures, Chemistry VC, Company Capital, CRV, Hanabi Capital, RRE Ventures, RTP Ventures, Saga, Sequoia Capital, South Park Commons, Stellar Capital, Yext, Adam D'Angelo, Alexander Sacerdote, Drew Houston, Frederic Kerrest, Jeff Bezos, John Collison, Joshua Reeves, Tien Tzuo

Financial History

ClickHouse has raised $650.0M across 3 funding rounds.

Total Raised

$650.0M

Valuation

N/A

Deep Dive

High-Level Overview

ClickHouse is an open-source, column-oriented database management system (DBMS) optimized for online analytical processing (OLAP), enabling real-time analytics on massive datasets with SQL queries.[1][2][5] It builds a high-performance platform for storing, processing, and querying large volumes of data at speeds 100-1000x faster than traditional row-oriented systems, serving enterprises like Uber, Comcast, eBay, Cisco, IBM, Microsoft, Anthropic, Tesla, and Lyft.[1][2][7] ClickHouse solves the limitations of legacy OLTP databases and slower cloud warehouses by focusing on low-latency OLAP workloads, such as real-time dashboards, observability, data warehousing, ML/GenAI vector search, time-series analysis, clickstream analytics, and ETL pipelines.[1][3][6][7] The company, founded in 2021, has demonstrated strong growth momentum, raising $300 million by April 2024 on a usage-based pricing model in a market projected to reach $154.6 billion by 2030, while maintaining its open-source roots and scaling internationally across 10 countries.[1]

Origin Story

ClickHouse originated as an experimental project in 2009 at Yandex, Russia's largest internet company, led by Alexey Milovidov and a small team of engineers aiming to test real-time analytical reporting from constantly growing, non-aggregated data.[1][4][5] After three years of development, it launched in production in 2012 to power Yandex's web analytics platform, the second-largest in the world at the time, handling over 100 petabytes of data and 100 billion daily inserts.[4][5] Open-sourced under Apache 2.0 in 2016, it quickly gained developer traction, including adoption by CERN for processing 10 billion LHCb events.[1][2]

In 2021, the core Yandex team—Milovidov (CTO), Yury Izrailevsky (product and engineering), and Aaron Katz (CEO)—spun out to form ClickHouse, Inc. in San Francisco, with a Dutch subsidiary in Amsterdam.[1][2][4] Backed by $50 million in Series A from Index Ventures, Benchmark, and Yandex, followed by a $250 million Series B at $2 billion valuation led by Coatue and Altimeter, the company commercialized the technology while keeping it open-source.[1][2][4]

Core Differentiators

Columnar Storage and Speed: Stores data in columns for efficient analytical queries, delivering 100-1000x faster processing on high-volume OLAP workloads compared to row-oriented systems, with real-time ingestion of millions of rows per second.[1][2][3][6]
Scalability and Architecture: Supports horizontal scaling via sharded/replicated clusters, data partitioning, and parallel distributed queries in a shared-nothing model, handling petabyte-scale data without bottlenecks.[3][5]
Real-Time Capabilities: Enables interactive visualizations, complex joins, aggregations, and low-latency analytics for use cases like observability (logs/metrics/traces), time-series (IoT/finance), clickstream, ETL, and GenAI vector search.[1][3][6][7]
Open-Source Ecosystem and Integrations: Fully open-source since 2016 with a global developer community; supports 70+ file formats, dbt, visualization tools, and languages; offers ClickStack for observability.[1][2][6][7]
Cost Efficiency and Flexibility: Usage-based pricing, resource-efficient design, and compatibility with cloud deployments provide lower costs and higher concurrency than traditional warehouses.[1][6]

Role in the Broader Tech Landscape

ClickHouse rides the explosion of real-time data demands in the "unbundling of the cloud data warehouse," addressing gaps in legacy OLTP/OLAP systems amid surging data volumes from IoT, AI, observability, and user analytics.[1][3][7] Its timing aligns with the OLAP market's growth to $154.6 billion by 2030, fueled by needs for instant insights in GenAI (e.g., Anthropic's Claude), autonomous systems (Tesla), and high-velocity apps (Lyft, Cloudflare processing 10M+ HTTP records/second).[1][2][7] Market forces like exploding unstructured data, edge computing, and AI training favor its high-velocity, low-latency strengths over slower batch-oriented warehouses.[1][3] By staying open-source, ClickHouse influences the ecosystem through widespread adoption (e.g., CERN, eBay), developer contributions, and integrations, democratizing fast analytics and accelerating innovation in data-intensive sectors.[1][2][4]

Quick Take & Future Outlook

ClickHouse is poised to dominate real-time OLAP as data velocity surges with AI agents, edge AI, and ubiquitous observability, potentially expanding into hybrid cloud/edge deployments and deeper GenAI integrations like advanced vector databases.[1][3][7] Trends like multimodal data growth and zero-ETL pipelines will amplify its advantages, with its open-source model ensuring community-driven evolution and sticky enterprise adoption.[1][2] Its influence may evolve from niche OLAP leader to foundational data layer for next-gen apps, much like how it transformed Yandex's analytics—scaling from a 15-person team to global powerhouse while staying true to speed and openness.[4][5]

Sources

Frequently Asked Questions

How much funding has ClickHouse raised?

ClickHouse has raised $650.0M in total across 3 funding rounds.

Who are ClickHouse's investors?

ClickHouse's investors include Accel, AIX Ventures, Altimeter Capital, Battery Ventures, Benchmark, Bessemer Venture Partners, Bond, C2 Investment, Citi Ventures, Coatue, Costanoa Ventures, DTCP.