Alessa Therapeutics

San Carlos, CA · Founded 2018 · Privately Held (backing)

Developer of a drug delivery implantable system designed to treat patients with prostate cancer. Alessa Therapeutics is based in San Carlos, CA and was founded in 2018. It was valued at $49 million at its later-stage round in Apr 2025, the last priced event on record. It has raised $31.6 million across 3 recorded rounds; the latest was a $25.4 million early-stage round in Apr 2025.

PMV mark · valuation
$49.0M
Oct 2026
Priced at
its later-stage round
Apr 2025
Total raised
$31.6M
Last round
Early Stage VC
Apr 2025
How much has Alessa Therapeutics raised?
$31.6Macross 3 recorded rounds · Mar 2019 – Apr 2025

Most recently, Alessa Therapeutics raised $25.4M in its Early Stage VC (Apr 2025).

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Alessa Therapeutics round by round

3 rounds
Apr 2025Early Stage VC$25.4MSEC filing▮
14 investors participated
Dec 2019Seed Round$3.3MSEC filing▮
2 investors participated
Mar 2019Seed Round$3.0MSEC filing▮
2 investors participated

How much has Alessa Therapeutics raised?

Alessa Therapeutics has raised $31.6 million across 3 recorded rounds since 2019. The largest was a $3.3 million seed round in Dec 2019; the most recent was a $25.4 million early-stage round in Apr 2025.

Alessa Therapeutics has filed 3 Form Ds with the SEC since 2019, most recently in May 2025 ($25.4 million sold to 14 investors).

Alessa Therapeutics investors

10 investors are on record for Alessa Therapeutics, including National Institutes of Health, Mission BioCapital, University of California San Francisco Foundation and Cure Ventures. The early-stage round in Apr 2025 drew 14 investors.

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Frequently asked about Alessa Therapeutics

How much has Alessa Therapeutics raised?
Alessa Therapeutics has raised $31.6M in total across 3 recorded funding rounds.
When was Alessa Therapeutics's last funding round?
Alessa Therapeutics's most recent recorded round was Early Stage VC in Apr 2025, raising $25.4M.