Alkermes plc (ALKS)
Showing Closing Date Range from Jul 21 to Oct 19, 2026 compared to Apr 21 to Jul 20, 2026.
Compare Last 3 Months with Previous Period
Investor Relations:alkermes.com
Current Period Close
$41.22
Jul 21, 2026 - Oct 19, 2026
Previous Period Close
$51.72
Apr 21, 2026 - Jul 20, 2026
Net Comparison Delta
$-10.50 (-20.30%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(62 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 16, 2026 | $41.22 | Jul 20, 2026 | $51.72 | -20.30% |
| Oct 15, 2026 | $40.10 | Jul 17, 2026 | $52.72 | -23.94% |
| Oct 14, 2026 | $39.08 | Jul 16, 2026 | $51.94 | -24.76% |
| Oct 13, 2026 | $39.73 | Jul 15, 2026 | $51.98 | -23.57% |
| Oct 12, 2026 | $40.26 | Jul 14, 2026 | $51.60 | -21.98% |
| Oct 09, 2026 | $40.61 | Jul 13, 2026 | $51.87 | -21.71% |
| Oct 08, 2026 | $40.11 | Jul 10, 2026 | $51.94 | -22.78% |
| Oct 07, 2026 | $41.45 | Jul 09, 2026 | $53.78 | -22.94% |
| Oct 06, 2026 | $41.65 | Jul 08, 2026 | $54.29 | -23.28% |
| Oct 05, 2026 | $42.76 | Jul 07, 2026 | $55.22 | -22.56% |
| Oct 02, 2026 | $41.75 | Jul 06, 2026 | $55.14 | -24.28% |
| Oct 01, 2026 | $40.93 | Jul 02, 2026 | $54.58 | -25.02% |
| Sep 30, 2026 | $40.52 | Jul 01, 2026 | $51.72 | -21.66% |
| Sep 29, 2026 | $40.80 | Jun 30, 2026 | $52.40 | -22.14% |
| Sep 28, 2026 | $40.15 | Jun 29, 2026 | $52.53 | -23.57% |
Page 1 of 5