United States · 
Who invested in Sizl?
Sizl's investors include Yellow Rocks, Kinetik and Mike Alexandrovski. Yellow Rocks led its latest round.
United States · Seed startup
Who invested in Sizl
One round we have observed, with the 3 investors named in it. 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 15 Nov 2026
$3.5Mraised across 1 round since 2025, from 1 source
- Latest round
- Seed, $3.5MApr 2025
- Led by
- Yellow Rocks
- Investors
- 3 (1 led)
The rounds
- Apr 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 Sizl 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 Sizl
How much has Sizl raised?
Sizl has raised $3.5M across 1 round since 2025.
When did Sizl last raise?
Sizl's most recent round was a Seed of $3.5M in Apr 2025, led by Yellow Rocks.
What was Sizl's biggest round?
Its most recent round, $3.5M in Apr 2025, is also its largest on record.
Who backed Sizl first?
Sizl's first round on record, in Apr 2025, was backed by Yellow Rocks, Kinetik and Mike Alexandrovski.
What stage is Sizl at?
Sizl's latest named round is a Seed, in Apr 2025.
Where is Sizl based?
Sizl is based in the United States.
Who led Sizl's rounds?
Yellow Rocks led the Seed in 2025.
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