United States · Venture startup
4 rounds we have observed, with the 9 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
$39Mraised across 4 rounds since 2003, from 4 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
No investor was named in the report.
From a historical funding recordSEC filing: $625K sold, first sale Jan 2014
Menlo Ventures
Morgenthaler Ventures
Trident Capital
Icon Ventures
Hummer Winblad Venture Partners
JAFCO Asia
Cipio PartnersReported by venturebeat.com
Menlo VenturesMorgenthaler VenturesIcon VenturesHummer Winblad Venture PartnersReported by voltage.com
From a historical funding record
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Menlo VenturesMorgenthaler VenturesHummer Winblad Venture PartnersIcon VenturesSiemensTrident CapitalJafco VenturesJAFCO AsiaCipio PartnersFrom historical deal records. Wrong? Tell us.
Missing a round, or an investor who was in one? Tell us.
Voltage Security's investors include Menlo Ventures, Morgenthaler Ventures, Hummer Winblad Venture Partners, Icon Ventures and Siemens, and 4 more on record.
Voltage Security has raised $39M across 4 rounds since 2003.
Voltage Security's most recent round was a Venture of $625K in Feb 2014.
Voltage Security's largest round on record is $15M (Series C), in May 2005.
Voltage Security's first round on record, in Nov 2003, was backed by Menlo Ventures, Morgenthaler Ventures and Hummer Winblad Venture Partners.
Voltage Security's latest named round is a Venture, in Feb 2014.
Voltage Security is based in the United States.
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United States ·