United States · Series D startup

Who invested in Simon Data

2 rounds we have observed, with the 5 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.

Advertising & AdtechMartech

Funding summaryUpdated 26 Oct 2026

$74Mraised across 2 rounds since 2018, from 2 sources

$20MSeries B$54MSeries D
Latest round
Series D, $54MAug 2023
Step-upi
2.7×
Investors
5
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.

20192020202120222023
$20MSeries B$54MSeries D
First round
Series B, $20M
Jul 2018
Biggest round
$54M
Series D · Aug 2023
Between rounds
5 years
from the last two

The rounds

  1. Aug 2023
  2. Jul 2018
    Series B$20M1 new

    Reported by FinSMEs

Founders and team

From Simon Data's own website and the SEC filings it signed: 2 founders, 1 on the team.

Jason DavisChief Executive Officer & Co-FounderNamed on its 2016 Form D
Matt WalkerChief Technology Officer & Co-Founder
  • Jeffrey WaltonVice President of Product & Strategy

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

Polaris PartnersVC firm2rounds
BoxGroupVC firm1round
Slow VenturesVC firm1round
Commerce VenturesVC firm1round
406 VenturesVC firm1round

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

Also claim to have backed them

This firm lists Simon Data as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

Commerce VCVC firmPer its own site

Quick answers about Simon Data

Who invested in Simon Data?

Simon Data's investors include Polaris Partners, BoxGroup, Slow Ventures, Commerce Ventures and 406 Ventures.

How much has Simon Data raised?

Simon Data has raised $74M across 2 rounds since 2018.

When did Simon Data last raise?

Simon Data's most recent round was a Series D of $54M in Aug 2023.

What was Simon Data's biggest round?

Its most recent round, $54M in Aug 2023, is also its largest on record.

Who backed Simon Data first?

Simon Data's first round on record, in Jul 2018, was backed by Polaris Partners.

What stage is Simon Data at?

Simon Data's latest named round is a Series D, in Aug 2023.

Where is Simon Data based?

Simon Data is based in the United States.

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