BBIO +20.9%. Merck +72.1%, Eli Lilly +56.6%, Johnson & Johnson +32.3%, AbbVie +24.3%. Weekly closes, Oct 17, 2025 = 100, log scale.

End-of-day closes (Databento EOD), the last close of each week. The four peers are the largest US-listed companies by market value in BBIO’s SEC industry (Pharmaceutical Preparations) with a year of closes. It shows what the closes did; a move here is not a cause, a forecast or a call.