United States · Who invested in PLUMgrid?
PLUMgrid's investors include U.S. Venture Partners, Hummer Winblad Venture Partners, Qualcomm Ventures, Swisscom Ventures and Longworth Venture Partners.
201220132014
$2.0MDebt$11MSeries A$16MSeries BUnited States · Series B startup
Who invested in PLUMgrid
3 rounds we have observed, with the 5 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
$29Mraised across 3 rounds since 2011, from 3 sources
$2.0MDebt$11MSeries A$16MSeries B
- Latest round
- Series B, $16MJan 2014
- Step-upi
- 1.5×
- Investors
- 5
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Debt, $2.0M Sept 2011
- Biggest round
- $16M Series B · Jan 2014
- Usual gap between rounds
- 18 months the median of 2
The rounds
- Jan 2014Series B$16M3 new2 returning
U.S. Venture Partners
Qualcomm Ventures
Hummer Winblad Venture Partners
Swisscom Ventures
Longworth Venture Partners
From a historical funding record
- Aug 2012Series A$11M2 new
Reported by techcrunch.comSEC filing: $11M sold, first sale May 2012
- Sept 2011Debt$2.0M
No investor was named in the report.
Reported by sec.govSEC filing: $2.0M sold, first sale Jun 2011
Who was in which round
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Debt2011Series A2012Series B2014U.S. Venture PartnersHummer Winblad Venture PartnersQualcomm VenturesSwisscom VenturesLongworth Venture Partners
U.S. Venture PartnersHummer Winblad Venture PartnersQualcomm VenturesSwisscom VenturesLongworth Venture PartnersEveryone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about PLUMgrid
How much has PLUMgrid raised?
PLUMgrid has raised $29M across 3 rounds since 2011.
When did PLUMgrid last raise?
PLUMgrid's most recent round was a Series B of $16M in Jan 2014.
What was PLUMgrid's biggest round?
Its most recent round, $16M in Jan 2014, is also its largest on record.
Who backed PLUMgrid first?
PLUMgrid's first round on record, in Aug 2012, was backed by U.S. Venture Partners and Hummer Winblad Venture Partners.
What stage is PLUMgrid at?
PLUMgrid's latest named round is a Series B, in Jan 2014.
Where is PLUMgrid based?
PLUMgrid is based in the United States.
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