09:11 AM EDT, 03/21/2025 (MT Newswires) -- Health care stocks were steady premarket Friday as the iShares Biotechnology ETF (IBB) was inactive and the Health Care Select Sector SPDR Fund ( XLV ) was slightly lower recently.

Alnylam Pharmaceuticals ( ALNY ) shares rose past 4% after the company said the US Food and Drug Administration has approved the supplemental new drug application for its heart drug Amvuttra.

Telix Pharmaceuticals ( TLX ) shares advanced nearly 4% after the company said the US Food and Drug Administration has approved its new drug application for Gozellix, a PSMA-PET imaging agent for prostate cancer.

Dyne Therapeutics ( DYN ) appointed Erick Lucera as chief financial officer, effective March 31. Dyne Therapeutics ( DYN ) shares were nearly 7% lower pre-bell.