United States · 
Who invested in Cyteir?
Cyteir's investors include Lightstone Ventures, DROIA Oncology and Venrock/ Celgene.
United States · Series B startup
Who invested in Cyteir
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.
Funding summaryUpdated 26 Oct 2026
$29Mraised across 1 round since 2018, from 1 source
- Latest round
- Series B, $29MMar 2018
- Investors
- 3
The rounds
- Mar 2018
Everyone who backed them
DROIA Oncologyno record of our own yet1round
Venrock/ Celgeneno record of our own yet1round
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Quick answers about Cyteir
How much has Cyteir raised?
Cyteir has raised $29M across 1 round since 2018.
When did Cyteir last raise?
Cyteir's most recent round was a Series B of $29M in Mar 2018.
What was Cyteir's biggest round?
Its most recent round, $29M in Mar 2018, is also its largest on record.
Who backed Cyteir first?
Cyteir's first round on record, in Mar 2018, was backed by Lightstone Ventures, DROIA Oncology and Venrock/ Celgene.
What stage is Cyteir at?
Cyteir's latest named round is a Series B, in Mar 2018.
Where is Cyteir based?
Cyteir is based in the United States.
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