United States · 
Who invested in System1?
System1's investors include Raine Ventures and Court Square Capital Partners.
2019202120232025
$270MRound$400MDebt$150MDebtUnited States · Funded startup
Who invested in System1
Funding summaryUpdated 26 Oct 2026
$820Mraised across 3 rounds since 2017, from 3 sources
$270MRound$400MDebt$150MDebt
- Latest round
- Debt, $150MJun 2026
- Biggest round
- $400MDebt · Jan 2022
- Investors
- 2
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Round, $270M Sept 2017
- Biggest round
- $400M Debt · Jan 2022
- Usual gap between rounds
- 4.4 years the median of 2
The rounds
- Jun 2026
- Jan 2022
- Sept 2017
Founders and team
From System1's own website: 8 on the team.
- Michael BlendChief Executive Officer
- Chuck UrsiniPresident
- Avi RajuChief Product Officer
- Beth SestanovichChief People Officer
- Brian CoppolaChief Ad Operations Officer
- Chris TestaChief Technology Officer
- Tridivesh KidambiChief Financial Officer
- Daniel WeinrotGeneral 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.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about System1
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.
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