Star Therapeutics Funding: $100M Raised, Series D (2025)

Star Therapeutics funding overview

Star Therapeutics is a Biotech company based in South San Francisco, CA. Star Therapeutics has raised $100M in total disclosed funding. That places its disclosed total in the $100M–$250M range. Its most recent disclosed round is a Series D announced in September 2025. The round record for Star Therapeutics runs through 2025; nothing later has been disclosed. Investors on record include Sanofi Ventures, Viking Global Investors, Sofinnova Investments, RA Capital Management, OrbiMed, Westlake Village BioPartners and 3 others. 9 distinct backers are named across the disclosed rounds.

Star Therapeutics at a glance

Total raised

$100M

Latest round

Series D

Latest round date

September 2025

Industry

Biotech

Headquarters

South San Francisco, CA

Notable investors

Sanofi Ventures, Viking Global Investors, Sofinnova Investments, RA Capital Management, OrbiMed, Westlake Village BioPartners, Foresite Capital, Janus Henderson Investors

Frequently asked about Star Therapeutics funding

How much has Star Therapeutics raised?

Star Therapeutics has raised $100M in total disclosed funding across the rounds on record.

Who has invested in Star Therapeutics?

Sanofi Ventures, Viking Global Investors, Sofinnova Investments, RA Capital Management, OrbiMed, Westlake Village BioPartners are named among the investors backing Star Therapeutics.

What was the latest Star Therapeutics funding round?

The most recent disclosed round is a Series D, announced in September 2025.

Where is Star Therapeutics based?

Star Therapeutics is based in South San Francisco, CA.

What sector does Star Therapeutics operate in?

Star Therapeutics is tracked under Biotech from South San Francisco, CA, with $100M in disclosed funding.

When did Star Therapeutics last raise?

The last disclosed Star Therapeutics round closed in September 2025 at Series D.

We update the Star Therapeutics record whenever a new round is filed or announced, so the totals above track the public record rather than estimates. Related Biotech companies in South San Francisco and their backers are listed below.

Star Therapeutics founders (1)

• Adam Rosenthal — Star Therapeutics founder

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