Star Therapeutics

Biotechnology · San Francisco, CA · Founded 2018 · Privately Held (backing)

Developer of antibody-based therapeutics designed to treat serious and underserved diseases through novel biological pathways. Star Therapeutics is based in San Francisco, CA and was founded in 2018. It has raised $315 million across 3 recorded rounds; the latest was a $125 million Series D in Sep 2025.

Last price · $/share
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Implied valuation
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Total raised
$315.0M
Last round
Later Stage VC (Series D)
Sep 2025
How much has Star Therapeutics raised?
$315.0Macross 3 recorded rounds · Feb 2022 – Sep 2025

Most recently, Star Therapeutics raised $125.0M in its Later Stage VC (Series D) (Sep 2025).

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Star Therapeutics round by round

3 rounds
Sep 2025Later Stage VC (Series D)$125.0M▮
+ 2 more investors · free account
Sep 2023Later Stage VC (Series C)$90.0M▮
+ 2 more investors · free account
Feb 2022Early Stage VC (Series A)$100.0M▮
+ 1 more investors · free account

How much has Star Therapeutics raised?

Star Therapeutics has raised $315 million across 3 recorded rounds since 2022. The largest was a $90 million Series C in Sep 2023; the most recent was a $125 million Series D in Sep 2025.

Star Therapeutics has filed 1 Form D with the SEC, most recently in Oct 2025 ($125 million sold to 21 investors).

Star Therapeutics investors

19 investors are on record for Star Therapeutics, including Viking Global Investors, RA Capital Management, OrbiMed and Qatar Investment Authority. By type, the record holds 5 venture capital firms, 3 asset managers and 3 private equity firms. The Series D in Sep 2025 drew 17 investors.

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Frequently asked about Star Therapeutics

How much has Star Therapeutics raised?
Star Therapeutics has raised $315.0M in total across 3 recorded funding rounds.
When was Star Therapeutics's last funding round?
Star Therapeutics's most recent recorded round was Later Stage VC (Series D) in Sep 2025, raising $125.0M.