United States · 
Who invested in Altheos?
Altheos's investors include Canaan, Novo Holdings A/S, Bay City Capital, Life Science Angels and Atheneos Ventures.
20112012
$20MSeries A$13MSeries AUnited States · Series A startup
Who invested in Altheos
2 rounds we have observed, with the 5 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 31 Oct 2026
$33Mraised across 2 rounds since 2010, from 2 sources
$20MSeries A$13MSeries A
- Latest round
- Series A, $13MFeb 2012
- Biggest round
- $20MSeries A · Apr 2010
- Investors
- 5
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series A, $20M Apr 2010
- Biggest round
- $20M Series A · Apr 2010
- Between rounds
- 22 months from the last two
The rounds
- Feb 2012Series A$13M3 returning
Reported by fiercebiotech.comSEC filing: $17M sold, first sale Jul 2011
- Apr 2010Series A$20M5 new
Reported by fiercebiotech.com
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
Novo Holdings A/SGrowth equity2rounds
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Quick answers about Altheos
How much has Altheos raised?
Altheos has raised $33M across 2 rounds since 2010.
When did Altheos last raise?
Altheos's most recent round was a Series A of $13M in Feb 2012.
What was Altheos's biggest round?
Altheos's largest round on record is $20M (Series A), in Apr 2010.
Who backed Altheos first?
Altheos's first round on record, in Apr 2010, was backed by Canaan, Novo Holdings A/S and Bay City Capital and 2 others.
What stage is Altheos at?
Altheos's latest named round is a Series A, in Feb 2012.
Where is Altheos based?
Altheos is based in the United States.
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