Alnylam Pharmaceuticals, Inc. (ALNY)
NASDAQ: ALNY · Real-Time Price · USD
303.05
-0.59 (-0.19%)
At close: Jun 5, 2026, 4:00 PM EDT
300.00
-3.05 (-1.01%)
After-hours: Jun 5, 2026, 6:40 PM EDT
Alnylam Pharmaceuticals Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jun 5, 2026 | 306.34 | 306.73 | 300.50 | 303.05 | 303.05 | -0.19% | 986,817 |
| Jun 4, 2026 | 297.22 | 310.53 | 293.85 | 303.64 | 303.64 | 3.78% | 1,079,319 |
| Jun 3, 2026 | 284.48 | 293.16 | 283.10 | 292.58 | 292.58 | 2.26% | 985,871 |
| Jun 2, 2026 | 293.94 | 295.60 | 285.00 | 286.12 | 286.12 | -3.22% | 1,042,134 |
| Jun 1, 2026 | 299.51 | 303.98 | 295.13 | 295.63 | 295.63 | -2.10% | 1,026,766 |
| May 29, 2026 | 302.43 | 305.68 | 297.62 | 301.98 | 301.98 | -1.01% | 2,267,299 |
| May 28, 2026 | 293.00 | 305.98 | 291.84 | 305.06 | 305.06 | 3.19% | 1,007,450 |
| May 27, 2026 | 293.40 | 299.98 | 292.91 | 295.63 | 295.63 | 0.04% | 629,290 |
| May 26, 2026 | 299.00 | 301.09 | 294.26 | 295.50 | 295.50 | -0.66% | 649,279 |
| May 22, 2026 | 299.12 | 303.33 | 294.99 | 297.45 | 297.45 | -1.02% | 657,155 |
| May 21, 2026 | 296.64 | 301.43 | 293.00 | 300.51 | 300.51 | 0.68% | 590,014 |
| May 20, 2026 | 297.80 | 300.08 | 292.10 | 298.48 | 298.48 | 1.42% | 797,651 |
| May 19, 2026 | 289.00 | 294.93 | 284.38 | 294.30 | 294.30 | 2.81% | 752,591 |
| May 18, 2026 | 287.14 | 291.97 | 285.26 | 286.27 | 286.27 | -0.25% | 872,914 |
| 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 |
| Apr 15, 2026 | 341.63 | 342.23 | 331.02 | 333.39 | 333.39 | -1.77% | 799,050 |
| Apr 14, 2026 | 330.81 | 343.36 | 330.54 | 339.41 | 339.41 | 1.92% | 1,228,645 |
| Apr 13, 2026 | 320.66 | 333.56 | 319.00 | 333.00 | 333.00 | 3.38% | 967,690 |
| Apr 10, 2026 | 323.49 | 328.93 | 317.53 | 322.11 | 322.11 | 0.26% | 698,672 |
| Apr 9, 2026 | 325.67 | 326.90 | 318.77 | 321.28 | 321.28 | -1.82% | 1,119,233 |
| Apr 8, 2026 | 327.49 | 330.30 | 324.44 | 327.25 | 327.25 | 2.42% | 1,024,695 |
| Apr 7, 2026 | 319.48 | 322.35 | 313.54 | 319.52 | 319.52 | -3.28% | 1,305,121 |
| Apr 6, 2026 | 320.10 | 335.58 | 320.10 | 330.34 | 330.34 | 3.60% | 1,276,806 |
| Apr 2, 2026 | 323.03 | 325.49 | 315.90 | 318.85 | 318.85 | -3.01% | 872,487 |
| Apr 1, 2026 | 332.69 | 335.48 | 327.59 | 328.73 | 328.73 | -0.65% | 673,304 |
| Mar 31, 2026 | 319.06 | 332.48 | 318.37 | 330.87 | 330.87 | 4.68% | 1,352,289 |
| Mar 30, 2026 | 319.32 | 321.76 | 314.21 | 316.09 | 316.09 | -0.40% | 1,223,904 |
| Mar 27, 2026 | 327.10 | 329.69 | 316.85 | 317.36 | 317.36 | -3.29% | 815,901 |
| Mar 26, 2026 | 328.90 | 332.81 | 327.69 | 328.16 | 328.16 | -0.16% | 1,119,781 |