ADARx Pharmaceuticals Plans $350 Million IPO with AbbVie Investment
ADARx Pharmaceuticals plans a $350M IPO, offering 21.9M shares at $15-$17 each, with AbbVie investing $80M for a 4.9% stake. The biotech company focuses on siRNA therapies and aims to list on Nasdaq as ADRX by September 21, 2026, with $6M in recent revenue.
How this was made
The 30-second read
Why it matters
The IPO provides capital for pipeline advancement and may attract further institutional interest in RNA therapeutics.
Market read
First‑report large‑scale biotech IPO with a major pharma anchor, offering a new trading opportunity.
What to watch
Regulatory timeline for siRNA programs and competition from larger RNA players.
Background
ADARx, founded in 2019, reported $6 million revenue for the year ended June 30 2026 and plans to list on Nasdaq under ADRX.
Ticker impact
ADARx Pharmaceuticals announced a $350 million IPO raising 21.9 million shares at $15‑$17, with AbbVie investing $80 million for a 4.9% stake.
Initial pricing likely to trade at the upper end of the range if demand holds.
First‑report IPO of a biotech with significant raise and strategic anchor investor.
Market effects
Adds a new listed biotech to the Nasdaq, may lift peer valuations in the siRNA space.
U.S. biotech IPO market activity increased.
Strategic investment by AbbVie signals confidence in RNA therapeutics globally.
Counterpoint
If market appetite for biotech IPOs wanes, pricing could fall below the midpoint.
Key entities
- companyADARx Pharmaceuticals
Biotech developing siRNA therapies, upcoming IPO.
- companyAbbVie
Strategic investor committing $80 million for a 4.9% stake.

