United States · 
Who invested in Reactivity?
Reactivity's investors include Accel, JK&B Capital and Diamondhead Ventures.
United States · Venture startup
Who invested in Reactivity
One round we have observed, with the 3 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
$8.6Mraised across 1 round since 2006, from 1 source
- Latest round
- Venture, $8.6MFeb 2006
- Investors
- 3
The rounds
- Feb 2006
The exit
ExitBuyerPriceWhen
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Everyone who backed them
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Quick answers about Reactivity
How much has Reactivity raised?
Reactivity has raised $8.6M across 1 round since 2006.
When did Reactivity last raise?
Reactivity's most recent round was a Venture of $8.6M in Feb 2006.
What was Reactivity's biggest round?
Its most recent round, $8.6M in Feb 2006, is also its largest on record.
Who backed Reactivity first?
Reactivity's first round on record, in Feb 2006, was backed by Accel, JK&B Capital and Diamondhead Ventures.
What stage is Reactivity at?
Reactivity's latest named round is a Venture, in Feb 2006.
Where is Reactivity based?
Reactivity is based in the United States.
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