Alkermes shares rose 3.4% post-earnings, reflecting investor approval of robust proprietary product sales growth and early contributions from the recently acquired sleep medicine asset, LUMRYZ.
- Proprietary product net sales grew 38% year-over-year to $338.1 million, driven by strong demand across psychiatry and addiction franchises.
- VIVITROL sales reached $112.4 million, supported by favorable localized market dynamics; 2026 guidance reaffirmed at $460–480 million.
- Psychiatry portfolio net sales included ARISTADA at $93.8 million and LYBALVI at $92.4 million, with LYBALVI TRX growing 21% year-over-year; full-year sales guidance maintained.
- Favorable gross-to-net adjustments contributed approximately $14 million of upside in Q1, primarily from improved patient mix.
- Integration of Avadel and the LUMRYZ launch added six weeks of commercial contribution and established Alkermes’ presence in the sleep medicine market ahead of future pipeline opportunities.
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