United States · 
Who invested in RSI (Reel Solar Inc)?
RSI (Reel Solar Inc)'s investors include Mayfield Fund, CMEA Ventures, Pangaea Ventures and CalCEF Clean Energy Angel Fund.
20122013
$15MVenture$4.0MSeedUnited States · Seed startup
Who invested in RSI (Reel Solar Inc)
2 rounds we have observed, with the 4 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
$19Mraised across 2 rounds since 2011, from 2 sources
$15MVenture$4.0MSeed
- Latest round
- Seed, $4.0MMar 2013
- Biggest round
- $15MVenture · Nov 2011
- Investors
- 4
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Venture, $15M Nov 2011
- Biggest round
- $15M Venture · Nov 2011
- Between rounds
- 16 months from the last two
The rounds
- Mar 2013Seed$4.0M4 new
Reported by venturebeat.com
- Nov 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.
Everyone who backed them
CalCEF Clean Energy Angel FundVC firm1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about RSI (Reel Solar Inc)
How much has RSI (Reel Solar Inc) raised?
RSI (Reel Solar Inc) has raised $19M across 2 rounds since 2011.
When did RSI (Reel Solar Inc) last raise?
RSI (Reel Solar Inc)'s most recent round was a Seed of $4.0M in Mar 2013.
What was RSI (Reel Solar Inc)'s biggest round?
RSI (Reel Solar Inc)'s largest round on record is $15M (Venture), in Nov 2011.
Who backed RSI (Reel Solar Inc) first?
RSI (Reel Solar Inc)'s first round on record, in Mar 2013, was backed by Mayfield Fund, CMEA Ventures and Pangaea Ventures and 1 others.
What stage is RSI (Reel Solar Inc) at?
RSI (Reel Solar Inc)'s latest named round is a Seed, in Mar 2013.
Where is RSI (Reel Solar Inc) based?
RSI (Reel Solar Inc) is based in the United States.
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