Australia · 
Who invested in Constantinople?
Constantinople's investors include Airtree Ventures, Square Peg Capital and Prosus Ventures.
20252026
$32MSeries A$44MSeries B
Australia · Series B startup
Who invested in Constantinople
Funding summaryUpdated 26 Oct 2026
$77Mraised across 2 rounds since 2024, from 2 sources
$32MSeries A$44MSeries B
- Latest round
- Series B, $44MAug 2026
- Step-upi
- 1.4×
- Investors
- 3
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series A, $32M Apr 2024
- Biggest round
- $44M Series B · Aug 2026
- Between rounds
- 2.3 years from the last two
The rounds
- Aug 2026
- Apr 2024
Founders and team
From Constantinople's own website: 2 founders, 1 on the team.
Dianne ChallenorCo-Founder & Co-CEO
Macgregor DuncanCo-Founder & Co-CEO
- Paul BassatBoard Member
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 Constantinople
How much has Constantinople raised?
Constantinople has raised $77M across 2 rounds since 2024.
When did Constantinople last raise?
Constantinople's most recent round was a Series B of $44M in Aug 2026.
What was Constantinople's biggest round?
Its most recent round, $44M in Aug 2026, is also its largest on record.
Who backed Constantinople first?
Constantinople's first round on record, in Apr 2024, was backed by Airtree Ventures, Square Peg Capital and Prosus Ventures.
What stage is Constantinople at?
Constantinople's latest named round is a Series B, in Aug 2026.
Where is Constantinople based?
Constantinople is based in Australia.
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