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
What is Alessa Therapeutics worth?
$49.0MPrivateMarketView mark · Oct 2026

Valued at $49.0M at its later-stage round, Apr 2025. Nothing has traded since.

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Valuation timeline

0 priced rounds · 32 daily marks since · Sep 2026 – Oct 2026
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Markrounds hold their value until the next priced eventMark, today
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Alessa Therapeutics funding history

3 rounds
DateRoundRaisedPost-money
Apr 2025Early Stage VC$25.4M▮
Dec 2019Seed Round$3.3M▮
Mar 2019Seed Round$3.0M▮
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Alessa Therapeutics valuation

Alessa Therapeutics was valued at $49 million at its later-stage round in Apr 2025. That is the last priced event on record: no secondary trade or institutional fund mark has moved the figure since.

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).

How Alessa Therapeutics's valuation is determined

Private company valuations aren’t quoted on an exchange — they’re established in moments: a priced funding round sets a post-money valuation, secondary trades print at a price per share, and SEC-registered funds holding the stock report fair-value marks in their N-PORT filings.

For Alessa Therapeutics, the most current credible signal sets the number and the older ones confirm it: a live secondary-market price first, then three or more recent prints, then institutional fund marks, and otherwise the last priced round, which never decays. The valuation is the last round’s post-money moved by the price change since that round, so no share count is assumed. Today it is set by its last priced round. Question about this number? Full methodology →

Frequently asked about Alessa Therapeutics

What is Alessa Therapeutics worth?
Alessa Therapeutics is valued at $49.0M as of Oct 2026. Valued at $49.0M at its later-stage round, Apr 2025. Nothing has traded since.
How much has Alessa Therapeutics raised?
Alessa Therapeutics has raised $31.6M in total funding across 3 recorded rounds.
When did Alessa Therapeutics last raise?
Alessa Therapeutics last raised in Apr 2025 (Early Stage VC), raising $25.4M.