United States · 
Who invested in Maritime Fusion?
Maritime Fusion's investors include Y Combinator and Alumni Ventures.
United States · Seed startup
Who invested in Maritime Fusion
Funding summaryUpdated 26 Oct 2026
$4.5Mraised across 1 round since 2025, from 1 source
- Latest round
- Seed, $4.5MNov 2025
- Investors
- 2
The rounds
- Nov 2025
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
This firm lists Maritime Fusion 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.
Quick answers about Maritime Fusion
How much has Maritime Fusion raised?
Maritime Fusion has raised $4.5M across 1 round since 2025.
When did Maritime Fusion last raise?
Maritime Fusion's most recent round was a Seed of $4.5M in Nov 2025.
What was Maritime Fusion's biggest round?
Its most recent round, $4.5M in Nov 2025, is also its largest on record.
Who backed Maritime Fusion first?
Maritime Fusion's first round on record, in Nov 2025, was backed by Y Combinator and Alumni Ventures.
What stage is Maritime Fusion at?
Maritime Fusion's latest named round is a Seed, in Nov 2025.
Where is Maritime Fusion based?
Maritime Fusion is based in the United States.
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