# System1 funding: rounds and investors

> System1 has raised $820M across 3 rounds since 2017. Investors include Raine Ventures and Court Square Capital Partners. Every round with its source.

Source: https://millionrounds.com/company/system1 (Millionrounds; every figure on the page links to its filing or article)

United States · [Funded startup](https://millionrounds.com/companies)

# Who invested in *System1*

3 rounds we have observed, with the 2 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 & Adtech Martech

Raised 5 months ago

Funding summary Updated 26 Oct 2026

**$820M** raised across 3 rounds since 2017, from 3 sources

**$270M** Round **$400M** Debt **$150M** Debt

- **Latest round:** Debt, $150M Jun 2026
- **Biggest round:** $400M Debt · Jan 2022
- **Investors:** 2

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.

2019 2021 2023 2025

**$270M** Round

**$400M** Debt

**$150M** Debt

- **First round:** Round, $270M
- **Biggest round:** $400M
- **Usual gap between rounds:** 4.4 years

## The rounds

- **Jun 2026** Debt **$150M** *1 returning* [Raine Ventures](https://millionrounds.com/fund/raine-ventures) Source recorded
- **Jan 2022** Debt **$400M** *1 new* [Raine Ventures](https://millionrounds.com/fund/raine-ventures) Source recorded
- **Sept 2017** Round **$270M** *1 new* [Court Square Capital Partners](https://millionrounds.com/fund/court-square-capital-partners) Reported by FinSMEs

## Founders and team

From System1's own website: 8 on the team.

- **Michael Blend** Chief Executive Officer
- **Chuck Ursini** President
- **Avi Raju** Chief Product Officer
- **Beth Sestanovich** Chief People Officer
- **Brian Coppola** Chief Ad Operations Officer
- **Chris Testa** Chief Technology Officer
- **Tridivesh Kidambi** Chief Financial Officer
- **Daniel Weinrot** General Counsel

## 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.

**Round** 2017 **Debt** 2022 **Debt** 2026 [Raine Ventures](https://millionrounds.com/fund/raine-ventures) [Court Square Capital Partners](https://millionrounds.com/fund/court-square-capital-partners)

## Everyone who backed them

[Raine Ventures](https://millionrounds.com/fund/raine-ventures) VC firm **2** rounds

[Court Square Capital Partners](https://millionrounds.com/fund/court-square-capital-partners) Private equity **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=system1).

## Quick answers about System1

### Who invested in System1?

System1's investors include Raine Ventures and Court Square Capital Partners.

### How much has System1 raised?

System1 has raised $820M across 3 rounds since 2017.

### When did System1 last raise?

System1's most recent round was a Debt of $150M in Jun 2026.

### What was System1's biggest round?

System1's largest round on record is $400M (Debt), in Jan 2022.

### Who backed System1 first?

System1's first round on record, in Sept 2017, was backed by Court Square Capital Partners.

### What stage is System1 at?

System1's latest named round is a Debt, in Jun 2026.

### Where is System1 based?

System1 is based in the United States.

## Companies like System1

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

[**Kevel** $75M · Oct 2026](https://millionrounds.com/company/kevel)[**Whop** $400M · Oct 2026](https://millionrounds.com/company/whop)[**Different** $48M · Oct 2026](https://millionrounds.com/company/different)[**Gradient** $24M · Oct 2026](https://millionrounds.com/company/gradient)[**OuterSignal** $22M · Sept 2026](https://millionrounds.com/company/outersignal)[**Pipedrive** $90M · Sept 2026](https://millionrounds.com/company/pipedrive)

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