Pathos Funding: $345M Raised, Series D (2025)

Pathos is a Biotech company based in Chicago, IL. It has raised $345M in total funding. Latest round: Series D. Backed by Revolution, Lightbank, Builders VC.

Pathos funding overview

Pathos is a Biotech company based in Chicago, IL. Pathos has raised $345M in total disclosed funding. That places its disclosed total in the $250M–$1B range. Its most recent disclosed round is a Series D announced in April 2025. The round record for Pathos runs through 2025; nothing later has been disclosed. Investors on record include Revolution, Lightbank, Builders VC, NEA. 4 distinct backers are named across the disclosed rounds.

Pathos at a glance

Total raised
$345M
Latest round
Series D
Latest round date
April 2025
Industry
Biotech
Headquarters
Chicago, IL
Notable investors
Revolution, Lightbank, Builders VC, NEA

Frequently asked about Pathos funding

How much has Pathos raised?
Pathos has raised $345M in total disclosed funding across the rounds on record.
Who has invested in Pathos?
Revolution, Lightbank, Builders VC, NEA are named among the investors backing Pathos.
What was the latest Pathos funding round?
The most recent disclosed round is a Series D, announced in April 2025.
Where is Pathos based?
Pathos is based in Chicago, IL.
What sector does Pathos operate in?
Pathos is tracked under Biotech from Chicago, IL, with $345M in disclosed funding.
When did Pathos last raise?
The last disclosed Pathos round closed in April 2025 at Series D.

Pathos totals reflect disclosed capital only — undisclosed extensions and secondaries are excluded. Use the related Biotech companies in Chicago below to benchmark round size and investor mix.

Pathos founders (1)

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