United States · Venture startup
Funding summaryUpdated 26 Oct 2026
$131Mraised across 8 rounds since 2005, from 8 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
Reported by greentechmedia.com
Reported by reuters.com
Reported by venturebeat.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.
RRE VenturesVista Ventures
VantagePoint Capital PartnersSiemens
Access Venture Partners
Appian Ventures
Good Energies
SunPowerMissing a round, or an investor who was in one? Tell us.
Tendril's investors include RRE Ventures, Vista Ventures, VantagePoint Capital Partners, Siemens and Access Venture Partners, and 3 more on record.
Tendril has raised $131M across 8 rounds since 2005.
Tendril's most recent round was a Venture of $20M in Oct 2014.
Tendril's largest round on record is $30M (Series C), in Jun 2009.
Tendril's first round on record, in Aug 2006, was backed by Access Venture Partners, Appian Ventures and Vista Ventures.
Tendril's latest named round is a Venture, in Oct 2014.
Tendril is based in the United States.
In the same sector, and raised in the last eighteen months.
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