Who invested in FirstRain?
FirstRain's investors include Diamondhead Ventures, Oak Investment Partners, Ampersand Capital Partners, St. Paul Venture Capital and Myriad Investments, and 1 more on record.

United States · Venture startup
Funding summaryUpdated 26 Oct 2026
$77Mraised across 7 rounds since 2001, from 7 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: $12M sold, first sale Dec 2013
Reported by finsmes.comSEC filing: $5.0M sold, first sale Jun 2011
Reported by sec.govSEC filing: $7.3M sold, first sale Feb 2010
Reported by venturebeat.com
From a historical funding record
From a historical funding record
From a historical funding record
From the SEC filings it signed: 3 on the team.
On the board, as filediBandel CaranoCharles FrumbergMary HenryNora DenzelSteven Walske
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
FirstRain's investors include Diamondhead Ventures, Oak Investment Partners, Ampersand Capital Partners, St. Paul Venture Capital and Myriad Investments, and 1 more on record.
FirstRain has raised $77M across 7 rounds since 2001.
FirstRain's most recent round was a Venture of $12M in Dec 2013.
FirstRain's largest round on record is $19M (Venture), in Apr 2006.
FirstRain's first round on record, in Oct 2001, was backed by St. Paul Venture Capital, Diamondhead Ventures and Allegra Partners and 1 others.
FirstRain's latest named round is a Venture, in Dec 2013.
FirstRain is based in the United States.
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