Vatican City · Series E startup

Who invested in Expel

4 rounds we have observed, with the 11 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Cybersecurity

Valuation: $1.0B, Mar 2026

Funding summaryUpdated 26 Oct 2026

$99Mraised across 4 rounds since 2016, from 4 sources

$7.5MSeries A$20MSeries B$40MSeries C$31MSeries E
Latest round
Series E, $31MOct 2022
Biggest round
$40MSeries C · Jun 2019
Investors
11 (1 led)
See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

201720182019202020212022
$7.5MSeries A$20MSeries B$40MSeries C$31MSeries E
First round
Series A, $7.5M
Sept 2016
Biggest round
$40M
Series C · Jun 2019
Usual gap between rounds
18 months
the median of 3

The rounds

  1. Oct 2022
    Series E$31M1 new4 returning

    Source recordedSEC filing: $30M sold, first sale Sept 2022

  2. Jun 2019
    Series C$40M3 new3 returning

    Reported by FinSMEsSEC filing: $40M sold, first sale Jun 2019

  3. Apr 2018
    Series B$20M6 new

    Reported by FinSMEsSEC filing: $20M sold, first sale Mar 2018

  4. Sept 2016
    Series A$7.5M1 new

    Reported by FinSMEsSEC filing: $7.5M sold, first sale Aug 2016

Founders and team

From the SEC filings it signed: 3 on the team.

  • Peter KatzVice President and General Counseli
  • David MerkelDirector and CEOi
  • Yanek KorffDirector and Chief of Staffi

On the board, as filediAriel TseitlinGene FrantzJohanna FlowerMourad YesayanShardul Shah

Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

Everyone who backed them

Paladin Capital GroupVC firm3rounds
Index VenturesVC firm2rounds, led 1
Battery VenturesVC firm2rounds
GreycroftVC firm2rounds
LightbankVC firm1round
Cisco InvestmentsCorporate VC1round
Paladinno record of our own yet1round
Profileno record of our own yet1round
Scale Venture Partners/ Batteryno record of our own yet1round

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

Also claim to have backed them

These 3 firms list Expel as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

Brad KeywellAngelPer its own site
ConduitAcceleratorPer its own site
Section PartnersPrivate equityPer its own site

Quick answers about Expel

Who invested in Expel?

Expel's investors include New Enterprise Associates, Paladin Capital Group, Index Ventures, Battery Ventures and Greycroft, and 6 more on record.

How much has Expel raised?

Expel has raised $99M across 4 rounds since 2016.

When did Expel last raise?

Expel's most recent round was a Series E of $31M in Oct 2022.

What was Expel's biggest round?

Expel's largest round on record is $40M (Series C), in Jun 2019, led by Index Ventures.

Who backed Expel first?

Expel's first round on record, in Sept 2016, was backed by Paladin Capital Group.

What stage is Expel at?

Expel's latest named round is a Series E, in Oct 2022.

Where is Expel based?

Expel is based in the Vatican City.

Who led Expel's rounds?

Index Ventures led the Series C in 2019.

Companies like Expel

In the same sector, and raised in the last eighteen months.

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