Health care stocks were lower premarket Monday, with the State Street Health Care Select Sector SPDR ETF (XLV) and the iShares Biotechnology ETF (IBB) each falling 0.1%.

Tempus AI (TEM) stock was up more than 12% premarket after the company reported higher preliminary Q4 revenue.

Abivax (ABVX) shares were up more than 22% pre-bell after French media outlet La Lettre reported that Eli Lilly (LLY) was preparing a 15-billion-euro ($17.53 billion) takeover offer for the biotech startup.

Natera (NTRA) stock gained more than 1% before the bell after the company reported higher preliminary Q4 revenue late Sunday.