United States · 
Who invested in Cellares?
Cellares's investors include 8VC and BlackRock.
United States · Series D startup
Who invested in Cellares
Funding summaryUpdated 26 Oct 2026
$257Mraised across 1 round since 2026, from 1 source
- Latest round
- Series D, $257MJan 2026
- Investors
- 2
The rounds
- Jan 2026
Founders and team
From the SEC filings it signed: 2 founders.
On the board, as filediJustin Butler
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 4 firms list Cellares as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.
Quick answers about Cellares
How much has Cellares raised?
Cellares has raised $257M across 1 round since 2026.
When did Cellares last raise?
Cellares's most recent round was a Series D of $257M in Jan 2026.
What was Cellares's biggest round?
Its most recent round, $257M in Jan 2026, is also its largest on record.
Who backed Cellares first?
Cellares's first round on record, in Jan 2026, was backed by 8VC and BlackRock.
What stage is Cellares at?
Cellares's latest named round is a Series D, in Jan 2026.
Where is Cellares based?
Cellares is based in the United States.
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In the same sector, and raised in the last eighteen months.
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