Who invested in Reactrix?
Reactrix's investors include Menlo Ventures, Worldview Technology Partners, D.E. Shaw & Co. and Thomas Weisel Venture Partners.
Who invested in Reactrix
One round we have observed, with the 4 investors named in it. 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
$45Mraised across 1 round since 2007, from 1 source
- Latest round
- Series C, $45MFeb 2007
- Investors
- 4
The rounds
- Feb 2007Series C$45M
From a historical funding record
Everyone who backed them
D.E. Shaw & Co.Growth equity1round
Thomas Weisel Venture PartnersGrowth equity1round
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Quick answers about Reactrix
How much has Reactrix raised?
Reactrix has raised $45M across 1 round since 2007.
When did Reactrix last raise?
Reactrix's most recent round was a Series C of $45M in Feb 2007.
What was Reactrix's biggest round?
Its most recent round, $45M in Feb 2007, is also its largest on record.
Who backed Reactrix first?
Reactrix's first round on record, in Feb 2007, was backed by Menlo Ventures, Worldview Technology Partners and D.E. Shaw & Co. and 1 others.
What stage is Reactrix at?
Reactrix's latest named round is a Series C, in Feb 2007.
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