Arthrosi Therapeutics

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

Developer of biotechnology drugs designed to reduce flare and tophi in gout patients. Arthrosi Therapeutics is based in San Diego, CA and was founded in 2018. It was valued at $1.5 billion at a merger or acquisition in Dec 2025, the last priced event on record. It has raised $299 million across 7 recorded rounds; the latest was a $60.9 million later-stage round in Jun 2025.

PMV mark · valuation
$1.5B
Oct 2026
Priced at
a merger or acquisition
Dec 2025
Total raised
$298.8M
Last round
Later Stage VC
Jun 2025
What is Arthrosi Therapeutics worth?
$1.5BPrivateMarketView mark · Oct 2026

Valued at $1.5B at a merger or acquisition, Dec 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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Arthrosi Therapeutics funding history

7 rounds
DateRoundRaisedPost-money
Jun 2025Later Stage VC$60.9M▮
Sep 2023Early Stage VC$7.0M▮
Feb 2023Early Stage VC$15.0M▮
Aug 2021Early Stage VC$26.0M▮
May 2020Early Stage VC$8.5M▮
Oct 2018Early Stage VC$11.0M▮
+ 1 earlier rounds · a free account shows the full history
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Arthrosi Therapeutics valuation

Arthrosi Therapeutics was valued at $1.5 billion at a merger or acquisition in Dec 2025. That is the last priced event on record: no secondary trade or institutional fund mark has moved the figure since.

How much has Arthrosi Therapeutics raised?

Arthrosi Therapeutics has raised $299 million in total; 7 of its rounds are on record, from 2018 on. The largest on record was an $8.5 million early-stage round in May 2020; the most recent was a $60.9 million later-stage round in Jun 2025.

Arthrosi Therapeutics has filed 8 Form Ds with the SEC since 2018, most recently in Jun 2025 ($60.9 million sold to 13 investors).

How Arthrosi 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 Arthrosi 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 Arthrosi Therapeutics

What is Arthrosi Therapeutics worth?
Arthrosi Therapeutics is valued at $1.5B as of Oct 2026. Valued at $1.5B at a merger or acquisition, Dec 2025. Nothing has traded since.
How much has Arthrosi Therapeutics raised?
Arthrosi Therapeutics has raised $298.8M in total funding across 7 recorded rounds.
When did Arthrosi Therapeutics last raise?
Arthrosi Therapeutics last raised in Jun 2025 (Later Stage VC), raising $60.9M.