Who has invested in Reactor?

Lightspeed Venture Partners, WndrCo, Amplify Partners, Sky9 Capital, FPV Ventures are named among the investors backing Reactor.

Reactor Funding: $59M Raised, Series A (2026)

Reactor funding overview

Reactor is based in San Francisco. Reactor has raised $59M in total disclosed funding. That places its disclosed total in the $25M–$100M range. Its most recent disclosed round is a Series A announced in May 2026. The round record for Reactor runs through 2026; nothing later has been disclosed. Investors on record include Lightspeed Venture Partners, WndrCo, Amplify Partners, Sky9 Capital, FPV Ventures. 5 distinct backers are named across the disclosed rounds.

Reactor at a glance

Total raised: $59M
Latest round: Series A
Latest round date: May 2026
Headquarters: San Francisco
Notable investors: Lightspeed Venture Partners, WndrCo, Amplify Partners, Sky9 Capital, FPV Ventures

Frequently asked about Reactor funding

How much has Reactor raised?: Reactor has raised $59M in total disclosed funding across the rounds on record.
Who has invested in Reactor?: Lightspeed Venture Partners, WndrCo, Amplify Partners, Sky9 Capital, FPV Ventures are named among the investors backing Reactor.
What was the latest Reactor funding round?: The most recent disclosed round is a Series A, announced in May 2026.
Where is Reactor based?: Reactor is based in San Francisco.
When did Reactor last raise?: The last disclosed Reactor round closed in May 2026 at Series A.

Totals shown for Reactor aggregate every disclosed round on file. To see how that compares, browse the companies in San Francisco and the investors behind them below.

Reactor Funding: $59M Raised, Series A (2026)

Reactor funding overview

Reactor at a glance

Frequently asked about Reactor funding

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