Same industry

NBIX against four biotech peers, a year at 100

100200400800Nov ’25FebMayAugNov ’26AMGN+44.1%GILD+40.9%MRNA×9.3BIIB+60.1%NBIX+8.2%

NBIX +8.2%. Moderna ×9.3, Biogen +60.1%, Amgen +44.1%, Gilead Sciences +40.9%. Weekly closes, Nov 7, 2025 = 100, log scale.

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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 NBIX’s SEC industry (Biological Products, (No Diagnostic Substances)) with a year of closes. It shows what the closes did; a move here is not a cause, a forecast or a call.

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