Alnylam Pharmaceuticals, Inc. (ALNY)
NASDAQ: ALNY · Real-Time Price · USD
291.37
-1.80 (-0.61%)
At close: Jun 26, 2026, 4:00 PM EDT
291.14
-0.23 (-0.08%)
After-hours: Jun 26, 2026, 6:19 PM EDT
Alnylam Pharmaceuticals Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jun 26, 2026 | 297.57 | 302.96 | 290.37 | 291.37 | 291.37 | -0.61% | 1,474,629 |
| Jun 25, 2026 | 293.68 | 298.35 | 290.07 | 293.17 | 293.17 | -0.30% | 1,125,339 |
| Jun 24, 2026 | 290.95 | 303.46 | 288.85 | 294.06 | 294.06 | 2.04% | 1,297,776 |
| Jun 23, 2026 | 290.89 | 291.95 | 285.26 | 288.18 | 288.18 | 0.62% | 1,038,199 |
| Jun 22, 2026 | 278.42 | 286.67 | 278.17 | 286.41 | 286.41 | 2.99% | 1,420,390 |
| Jun 18, 2026 | 280.11 | 282.98 | 273.11 | 278.09 | 278.09 | -1.64% | 2,114,301 |
| Jun 17, 2026 | 281.31 | 288.00 | 277.78 | 282.72 | 282.72 | 0.29% | 1,321,841 |
| Jun 16, 2026 | 288.13 | 288.48 | 276.94 | 281.90 | 281.90 | -2.05% | 1,213,232 |
| Jun 15, 2026 | 282.92 | 288.11 | 281.36 | 287.80 | 287.80 | 1.75% | 1,118,586 |
| Jun 12, 2026 | 288.96 | 291.28 | 281.77 | 282.85 | 282.85 | -2.26% | 1,420,050 |
| Jun 11, 2026 | 290.70 | 292.98 | 285.22 | 289.39 | 289.39 | -0.63% | 1,061,496 |
| Jun 10, 2026 | 297.69 | 299.70 | 290.53 | 291.22 | 291.22 | -2.17% | 927,374 |
| Jun 9, 2026 | 297.31 | 302.85 | 293.97 | 297.69 | 297.69 | 1.89% | 1,260,043 |
| Jun 8, 2026 | 303.11 | 303.57 | 285.54 | 292.16 | 292.16 | -3.59% | 1,651,435 |
| Jun 5, 2026 | 306.34 | 306.73 | 300.50 | 303.05 | 303.05 | -0.19% | 1,004,445 |
| Jun 4, 2026 | 297.22 | 310.53 | 293.85 | 303.64 | 303.64 | 3.78% | 1,081,496 |
| Jun 3, 2026 | 284.48 | 293.16 | 283.10 | 292.58 | 292.58 | 2.26% | 988,833 |
| Jun 2, 2026 | 293.94 | 295.60 | 285.00 | 286.12 | 286.12 | -3.22% | 1,042,633 |
| Jun 1, 2026 | 299.51 | 303.98 | 295.13 | 295.63 | 295.63 | -2.10% | 1,186,174 |
| May 29, 2026 | 302.43 | 305.68 | 297.62 | 301.98 | 301.98 | -1.01% | 2,278,069 |
| May 28, 2026 | 293.00 | 305.98 | 291.84 | 305.06 | 305.06 | 3.19% | 1,020,772 |
| May 27, 2026 | 293.40 | 299.98 | 292.91 | 295.63 | 295.63 | 0.04% | 629,519 |
| May 26, 2026 | 299.00 | 301.09 | 294.26 | 295.50 | 295.50 | -0.66% | 649,732 |
| May 22, 2026 | 299.12 | 303.33 | 294.99 | 297.45 | 297.45 | -1.02% | 681,308 |
| May 21, 2026 | 296.64 | 301.43 | 293.00 | 300.51 | 300.51 | 0.68% | 650,366 |
| May 20, 2026 | 297.80 | 300.08 | 292.10 | 298.48 | 298.48 | 1.42% | 799,240 |
| May 19, 2026 | 289.00 | 294.93 | 284.38 | 294.30 | 294.30 | 2.81% | 770,339 |
| May 18, 2026 | 287.14 | 291.97 | 285.26 | 286.27 | 286.27 | -0.25% | 873,361 |
| May 15, 2026 | 294.78 | 298.00 | 286.76 | 286.98 | 286.98 | -2.20% | 1,149,640 |
| May 14, 2026 | 290.72 | 297.00 | 287.51 | 293.45 | 293.45 | 0.68% | 889,670 |
| May 13, 2026 | 290.70 | 298.38 | 288.56 | 291.48 | 291.48 | -0.19% | 975,853 |
| May 12, 2026 | 288.66 | 295.86 | 286.73 | 292.03 | 292.03 | 2.52% | 826,171 |
| May 11, 2026 | 294.15 | 296.37 | 284.28 | 284.84 | 284.84 | -3.46% | 1,287,797 |
| May 8, 2026 | 295.91 | 300.17 | 293.06 | 295.05 | 295.05 | -0.29% | 926,772 |
| May 7, 2026 | 300.55 | 303.46 | 293.78 | 295.91 | 295.91 | -2.34% | 1,144,021 |
| May 6, 2026 | 301.57 | 306.03 | 298.96 | 303.00 | 303.00 | 0.63% | 1,012,334 |
| May 5, 2026 | 297.81 | 302.67 | 295.02 | 301.11 | 301.11 | 1.07% | 823,895 |
| May 4, 2026 | 298.00 | 300.49 | 288.06 | 297.93 | 297.93 | 0.61% | 1,590,519 |
| May 1, 2026 | 308.76 | 311.88 | 295.79 | 296.11 | 296.11 | -4.32% | 1,132,872 |
| Apr 30, 2026 | 307.48 | 317.56 | 287.00 | 309.49 | 309.49 | 2.76% | 2,192,132 |
| Apr 29, 2026 | 300.48 | 304.22 | 294.06 | 301.19 | 301.19 | -0.30% | 1,569,856 |
| Apr 28, 2026 | 308.97 | 314.17 | 301.80 | 302.11 | 302.11 | -2.07% | 996,287 |
| Apr 27, 2026 | 303.87 | 314.74 | 303.70 | 308.51 | 308.51 | 0.97% | 1,093,464 |
| Apr 24, 2026 | 309.63 | 311.10 | 302.90 | 305.54 | 305.54 | -2.63% | 825,633 |
| Apr 23, 2026 | 313.59 | 315.83 | 310.79 | 313.79 | 313.79 | 1.03% | 588,284 |
| Apr 22, 2026 | 308.43 | 312.69 | 307.85 | 310.58 | 310.58 | 0.70% | 1,003,730 |
| Apr 21, 2026 | 307.32 | 310.50 | 301.63 | 308.43 | 308.43 | -0.81% | 1,510,856 |
| Apr 20, 2026 | 306.56 | 312.25 | 305.00 | 310.94 | 310.94 | 0.41% | 966,541 |
| Apr 17, 2026 | 326.09 | 326.53 | 306.00 | 309.66 | 309.66 | -3.27% | 1,495,469 |
| Apr 16, 2026 | 333.39 | 333.39 | 318.93 | 320.13 | 320.13 | -3.98% | 1,022,841 |