United States · Series B startup

Who invested in Stairwell

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.

Cybersecurity

Funding summaryUpdated 26 Oct 2026

$45Mraised across 1 round since 2022, from 1 source

Latest round
Series B, $45MOct 2022
Investors
4
See who backed them

The rounds

  1. Oct 2022
    Series B$45M

    Source recorded

Founders and team

From Stairwell's own website: 1 founder, 2 on the team.

Emmy LinderFounder & CTO
  • Julian MatossianChief Of Staff
  • Mike WiacekHead Of Product

Everyone who backed them

Sequoia CapitalVC firm1round
Lux CapitalVC firm1round
GradientVC firm1round
S32VC firm1round

Missing a round, or an investor who was in one? Tell us.

Quick answers about Stairwell

Who invested in Stairwell?

Stairwell's investors include Sequoia Capital, Lux Capital, Gradient and S32.

How much has Stairwell raised?

Stairwell has raised $45M across 1 round since 2022.

When did Stairwell last raise?

Stairwell's most recent round was a Series B of $45M in Oct 2022.

What was Stairwell's biggest round?

Its most recent round, $45M in Oct 2022, is also its largest on record.

Who backed Stairwell first?

Stairwell's first round on record, in Oct 2022, was backed by Sequoia Capital, Lux Capital and Gradient and 1 others.

What stage is Stairwell at?

Stairwell's latest named round is a Series B, in Oct 2022.

Where is Stairwell based?

Stairwell is based in the United States.

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