United States · 
Who invested in Lassen Therapeutics?
Lassen Therapeutics's investors include Catalio Capital Management, Longitude Capital and Longwood Fund.
United States · Series B startup
Who invested in Lassen Therapeutics
Funding summaryUpdated 26 Oct 2026
$85Mraised across 1 round since 2023, from 1 source
- Latest round
- Series B, $85MDec 2023
- Investors
- 3
The rounds
- Dec 2023
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 Lassen Therapeutics 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 Lassen Therapeutics
How much has Lassen Therapeutics raised?
Lassen Therapeutics has raised $85M across 1 round since 2023.
When did Lassen Therapeutics last raise?
Lassen Therapeutics's most recent round was a Series B of $85M in Dec 2023.
What was Lassen Therapeutics's biggest round?
Its most recent round, $85M in Dec 2023, is also its largest on record.
Who backed Lassen Therapeutics first?
Lassen Therapeutics's first round on record, in Dec 2023, was backed by Catalio Capital Management, Longitude Capital and Longwood Fund.
What stage is Lassen Therapeutics at?
Lassen Therapeutics's latest named round is a Series B, in Dec 2023.
Where is Lassen Therapeutics based?
Lassen Therapeutics is based in the United States.
Companies like Lassen Therapeutics
In the same sector, and raised in the last eighteen months.
Find investors like these
Search every investor by what they have actually funded, then narrow to your stage and market. Free.