Open-source column-oriented OLAP database and cloud service for real-time analytics at petabyte scale
Software📍 Portola Valley, CAFounded 2021
Current Valuation
$15B
as of 2025-Q4
DECACORN
ClickHouse is the commercial company behind the popular open-source columnar OLAP database used by Cloudflare, Uber, eBay, and thousands of others for sub-second analytics at scale. Sacra estimates ~$160M ARR in 2025, up 256% YoY. Closed a $350M Series C in late 2025 led by Khosla Ventures at a reported $15B valuation - one of the largest data-infrastructure rounds of the cycle.
Company Profile
CEO
Aaron Katz
Founded
2021
HQ
Portola Valley, CA
Employees
~400
Total Raised
$650M
Est. Revenue
$160M (2025-FY)
Growth
+256% YoY
Last Round
Series C — $350M (Oct 2025) · Lead: Khosla Ventures
IPO Status
rumored
Fundraising Status
Series C · $350M · 10 mo ago
rumoredTotal raised $650M
Secondary Market
Implied price / share
$219.32
Last round price / share
$159.59
vs last round
+37.4%
Open interest
9
Last round price vs secondary price
Secondary price return by period
Implied per-share price from private secondary transactions, as of Jun 2026. This is a point estimate, not a quote — the feed carries no bid, ask or spread, and a secondary print is evidence of what someone paid on that date rather than a live market. Compare across every tracked name →
Private-company numbers are not real-time. Reflects publicly disclosed valuations from press releases, news reports, and tender offers as of 2025-Q4. Refreshed quarterly.