Reaction
Reaction is a venture capital firm based in Palo Alto, United States. This profile covers what Reaction invests in, its typical stage and check size, and how founders can get in front of it in 2026.
Reaction is a venture capital firm owned and operated by 150 founding partners and Stanford Business alumni.
- Investment focus
- Climate & EnergyHealthcare & BiotechFoodTech & AgricultureConsumer & RetailSaaS & EnterpriseEdTech
- Location
- Palo Alto, United States
- Founded
- 2019
- Team size
- 251-500
- Investments
- 20
How to pitch Reaction
The founders who hear back from Reaction lead with traction and a clear ask that matches its stage, not a generic mass email. Build a targeted, verified list, write a personalized note, and track who opens it, all in one place.
Connect with Reaction
About this profile
This profile is part of Round Funded, an investor database and outreach platform for founders. It covers 60,000+ active VCs, angels, family offices and accelerators with verified contacts, lets you send pitches from your own Gmail, and includes a free Data Room for your raise. How this data is built.
Cite this page
Round Funded. "Reaction." Round Funded investor database, updated October 19, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/vc/reaction
Frequently Asked Questions
What does Reaction invest in?
Reaction focuses on Climate & Energy, Healthcare & Biotech, FoodTech & Agriculture and Consumer & Retail. Match your sector and stage before reaching out, then find similar active investors on Round Funded.
Is Reaction actively investing?
Yes, Reaction is an active a venture capital firm. Reach out with a personalized pitch that fits its stage and focus, then track who opens it.
Where is Reaction based?
Reaction is based in Palo Alto, United States. You can reach out from anywhere with a pitch that matches its focus.
How do I contact Reaction?
Unlock Reaction's verified email and reach out with a personalized pitch on Round Funded. We show only deliverable contacts, so your outreach does not bounce.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.