Australia · 
Who invested in Index?
Index's investors include Y Combinator, Bain Capital Ventures, Blackbird Ventures, Salesforce Ventures and Soma Capital, and 6 more on record.
2026
$3.5MSeed?VentureAustralia · Venture startup
Who invested in Index
2 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.
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Funding summaryUpdated 5 Nov 2026
$3.5Mraised across 2 rounds since 2025, from 3 sources
- Latest round
- VentureMay 2025
- Biggest round
- $3.5MSeed · Feb 2025
- Investors
- 11 (2 led)
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Seed, $3.5M Feb 2025
- Biggest round
- $3.5M Seed · Feb 2025
- Between rounds
- 3 months from the last two
The rounds
- May 2025VentureAmount undisclosed4 new1 returning
Source recorded
- Feb 2025Seed$3.5M7 new
Bain Capital VenturesLead
Blackbird VenturesLead
Y Combinator
Bond
Max Marchione- Alex Zaccaria
- Thomas Paul Mann
Reported by Startup Daily and 1 other
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
Alex ZaccariaAngel1round
Thomas Paul MannVC firm1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about Index
How much has Index raised?
Index has raised $3.5M across 2 rounds since 2025. One round did not disclose an amount, so the total is a floor.
When did Index last raise?
Index's most recent round was a Venture in May 2025.
What was Index's biggest round?
Index's largest round on record is $3.5M (Seed), in Feb 2025, led by Bain Capital Ventures.
Who backed Index first?
Index's first round on record, in Feb 2025, was backed by Bain Capital Ventures, Blackbird Ventures and Y Combinator and 4 others.
What stage is Index at?
Index's latest named round is a Venture, in May 2025.
Where is Index based?
Index is based in Australia.
Who led Index's rounds?
Bain Capital Ventures led the Seed in 2025.
Companies like Index
In the same sector, and raised in the last eighteen months.
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