505(b)(2) Pathway Stocks
Biopharmaceutical developers utilizing the 505(b)(2) regulatory pathway focus on the reformulation, repositioning, or new clinical application of previously approved active ingredients to mitigate development risk and shorten time-to-market.
As of Oct 23, 2026, 505(b)(2) Pathway has 4 US-listed companies worth $6B combined. The median member moved +14.4% over the past week; MANE led at +27.5% and PLYX trailed at -1.6%.
Companies in 505(b)(2) Pathway
- MANE – Veradermics, Incorporated, $5.8B
- PLYX – Polaryx Therapeutics, Inc. Common Stock, $98.2M
- UNCY – Unicycive Therapeutics Inc, $92M
- EGRX – Eagle Pharmaceuticals Inc, $3.3M