United States · Series C startup
4 rounds we have observed, with the 7 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
Funding summaryUpdated 26 Oct 2026
$46Mraised across 4 rounds since 2006, from 4 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
Reported by techcrunch.comSEC filing: $24M sold, first sale Sept 2012
No investor was named in the report.
From a historical funding recordSEC filing: $4.8M sold, first sale Jun 2010
Intersouth Partners
Grotech Ventures
Boulder VenturesReported by thealarmclock.com
Intersouth PartnersBoulder Ventures
AmplifierReported by zenoss.com
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Intersouth PartnersBoulder VenturesGrotech VenturesMaryland Department of Business and Economic Development
Summit Partners
Maryland Venture FundAmplifierMissing a round, or an investor who was in one? Tell us.
Zenoss's investors include Intersouth Partners, Boulder Ventures, Grotech Ventures, Maryland Department of Business and Economic Development and Summit Partners, and 2 more on record.
Zenoss has raised $46M across 4 rounds since 2006.
Zenoss's most recent round was a Series C of $25M in Oct 2012.
Its most recent round, $25M in Oct 2012, is also its largest on record.
Zenoss's first round on record, in Aug 2006, was backed by Intersouth Partners, Boulder Ventures and Maryland Department of Business and Economic Development and 1 others.
Zenoss's latest named round is a Series C, in Oct 2012.
Zenoss is based in the United States.
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United States ·