04:01 PM EDT, 03/19/2025 (MT Newswires) -- Health care stocks were mixed late Wednesday afternoon, with the NYSE Health Care Index down 0.1% and the Health Care Select Sector SPDR Fund (XLV) adding 0.1%.

The iShares Biotechnology ETF (IBB) rose 0.4%.

In corporate news, Black Diamond Therapeutics ( BDTX ) shares jumped nearly 8%. The company and French pharmaceutical group Servier said Wednesday that they have signed a global licensing deal under which Servier will develop and globally commercialize BDTX-4933, a targeted therapy for solid tumors.

OmniAb ( OABI ) shares dropped 20% after it reported a Q4 net loss late Tuesday and gave 2025 revenue guidance that missed analysts' estimates.

Amarin ( AMRN ) shareholder JEC Capital Partners and some of its affiliates urged the company's board in an open letter Wednesday to undergo a strategic review to maximize shareholder value. Amarin ( AMRN ) shares popped past 6%.

HealthEquity ( HQY ) shares tumbled past 17% after its fiscal Q4 earnings fell short of market estimates, while it raised the top end of its full-year revenue outlook.