Alnylam Pharmaceuticals, Inc. (LON:0HD2)
458.26
-12.85 (-2.73%)
Dec 5, 2025, 5:01 PM BST
Alnylam Pharmaceuticals Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Dec 5, 2025 | 464.01 | 468.29 | 456.79 | 457.27 | 457.27 | -2.94% | 23 |
| Dec 4, 2025 | 472.10 | 473.96 | 471.11 | 471.11 | 471.11 | -0.67% | 109 |
| Dec 3, 2025 | 461.11 | 477.82 | 461.11 | 474.31 | 474.31 | 2.47% | 69 |
| Dec 2, 2025 | 453.01 | 471.35 | 453.01 | 462.85 | 462.85 | 2.29% | 244 |
| Dec 1, 2025 | 451.05 | 462.15 | 448.00 | 452.47 | 452.47 | 0.24% | 196 |
| Nov 28, 2025 | 447.81 | 455.14 | 444.44 | 451.40 | 451.40 | 1.79% | 157 |
| Nov 26, 2025 | 431.54 | 444.00 | 430.27 | 443.46 | 443.46 | 2.70% | 74 |
| Nov 25, 2025 | 438.66 | 441.82 | 431.42 | 431.81 | 431.81 | 0.95% | 421 |
| Nov 24, 2025 | 435.26 | 444.36 | 426.38 | 427.74 | 427.74 | -2.41% | 99 |
| Nov 21, 2025 | 456.00 | 456.00 | 438.32 | 438.32 | 438.32 | -2.32% | 39 |
| Nov 20, 2025 | 464.90 | 464.90 | 448.48 | 448.75 | 448.75 | -2.88% | 79 |
| Nov 19, 2025 | 463.61 | 463.62 | 458.01 | 462.07 | 462.07 | -0.85% | 107 |
| Nov 18, 2025 | 460.00 | 466.02 | 459.13 | 466.02 | 466.02 | 0.65% | 108 |
| Nov 17, 2025 | 455.00 | 462.99 | 455.00 | 462.99 | 462.99 | 1.16% | 14 |
| Nov 14, 2025 | 454.97 | 462.00 | 454.45 | 457.66 | 457.66 | 1.50% | 136 |
| Nov 13, 2025 | 452.73 | 457.40 | 449.26 | 450.88 | 450.88 | -0.82% | 117 |
| Nov 12, 2025 | 451.51 | 457.96 | 451.00 | 454.59 | 454.59 | 0.28% | 85 |
| Nov 11, 2025 | 445.84 | 453.47 | 440.00 | 453.31 | 453.31 | 2.07% | 15 |
| Nov 10, 2025 | 445.00 | 449.25 | 441.59 | 444.11 | 444.11 | 1.96% | 191 |
| Nov 7, 2025 | 435.70 | 439.40 | 432.37 | 435.57 | 435.57 | -0.53% | 131 |
| Nov 6, 2025 | 434.25 | 445.01 | 429.01 | 437.87 | 437.87 | -0.02% | 300 |
| Nov 5, 2025 | 423.05 | 437.94 | 417.00 | 437.94 | 437.94 | 3.17% | 84 |
| Nov 4, 2025 | 429.90 | 432.96 | 424.49 | 424.49 | 424.49 | -2.04% | 2,195 |
| Nov 3, 2025 | 456.00 | 458.86 | 431.70 | 433.35 | 433.35 | -5.57% | 1,644 |
| Oct 31, 2025 | 449.00 | 459.52 | 441.22 | 458.90 | 458.90 | 2.76% | 38 |
| Oct 30, 2025 | 499.23 | 500.21 | 436.71 | 446.58 | 446.58 | -6.87% | 644 |
| Oct 29, 2025 | 470.02 | 480.68 | 468.31 | 479.55 | 479.55 | 0.04% | 379 |
| Oct 28, 2025 | 477.03 | 484.03 | 474.25 | 479.36 | 479.36 | -0.17% | 180 |
| Oct 27, 2025 | 467.50 | 480.87 | 465.56 | 480.16 | 480.16 | 4.11% | 620 |
| Oct 24, 2025 | 465.00 | 470.00 | 461.22 | 461.22 | 461.22 | -0.14% | 260 |
| Oct 23, 2025 | 464.71 | 468.50 | 456.90 | 461.88 | 461.88 | 0.05% | 72 |
| Oct 22, 2025 | 474.00 | 481.63 | 461.63 | 461.63 | 461.63 | -2.36% | 260 |
| Oct 21, 2025 | 494.88 | 495.00 | 472.81 | 472.81 | 472.81 | -4.52% | 465 |
| Oct 20, 2025 | 476.82 | 495.20 | 476.82 | 495.20 | 495.20 | 1.90% | 350 |
| Oct 17, 2025 | 485.95 | 491.23 | 477.33 | 485.98 | 485.98 | -0.06% | 413 |
| Oct 16, 2025 | 473.04 | 488.00 | 469.90 | 486.25 | 486.25 | 2.37% | 269 |
| Oct 15, 2025 | 472.40 | 485.00 | 468.40 | 474.99 | 474.99 | -0.99% | 942 |
| Oct 14, 2025 | 464.83 | 479.73 | 457.65 | 479.73 | 479.73 | 1.31% | 284 |
| Oct 13, 2025 | 455.53 | 473.53 | 455.23 | 473.53 | 473.53 | 3.70% | 611 |
| Oct 10, 2025 | 460.00 | 460.28 | 451.05 | 456.63 | 456.63 | 0.14% | 235 |
| Oct 9, 2025 | 451.90 | 458.91 | 450.44 | 455.98 | 455.98 | -0.57% | 61 |
| Oct 8, 2025 | 462.00 | 462.61 | 457.25 | 458.60 | 458.60 | 0.88% | 29 |
| Oct 7, 2025 | 448.95 | 458.25 | 448.95 | 454.61 | 454.61 | -0.06% | 248 |
| Oct 6, 2025 | 456.51 | 460.64 | 452.98 | 454.88 | 454.88 | 0.70% | 114 |
| Oct 3, 2025 | 462.00 | 462.82 | 450.00 | 451.70 | 451.70 | 0.38% | 55 |
| Oct 2, 2025 | 453.48 | 457.04 | 446.79 | 450.01 | 450.01 | -3.51% | 66 |
| Oct 1, 2025 | 462.42 | 466.40 | 455.05 | 466.40 | 466.40 | 2.57% | 868 |
| Sep 30, 2025 | 454.98 | 454.98 | 447.63 | 454.71 | 454.71 | 1.54% | 21 |
| Sep 29, 2025 | 451.73 | 451.73 | 447.30 | 447.81 | 447.81 | 0.66% | 195 |
| Sep 26, 2025 | 453.00 | 453.00 | 442.52 | 444.86 | 444.86 | -1.01% | 27 |
| Sep 25, 2025 | 457.13 | 458.14 | 449.41 | 449.41 | 449.41 | -2.60% | 21 |
| Sep 24, 2025 | 450.00 | 461.41 | 450.00 | 461.41 | 461.40 | 2.08% | 218 |
| Sep 23, 2025 | 452.83 | 456.44 | 451.98 | 452.02 | 452.02 | -1.95% | 25 |
| Sep 22, 2025 | 450.00 | 461.81 | 450.00 | 461.00 | 461.00 | 1.69% | 410 |
| Sep 19, 2025 | 437.57 | 457.87 | 437.57 | 453.35 | 453.35 | 0.62% | 26 |
| Sep 18, 2025 | 447.01 | 456.55 | 444.55 | 450.55 | 450.55 | -2.23% | 42 |
| Sep 17, 2025 | 457.38 | 461.37 | 457.37 | 460.81 | 460.81 | -0.23% | 145 |
| Sep 16, 2025 | 466.00 | 466.00 | 461.89 | 461.89 | 461.89 | -0.19% | 16 |
| Sep 15, 2025 | 463.13 | 467.44 | 455.18 | 462.75 | 462.75 | -0.67% | 33 |
| Sep 12, 2025 | 470.00 | 474.88 | 465.86 | 465.86 | 465.86 | -0.17% | 26 |
| Sep 11, 2025 | 476.42 | 476.42 | 466.67 | 466.67 | 466.67 | -0.28% | 56 |
| Sep 10, 2025 | 485.00 | 485.71 | 463.82 | 468.00 | 468.00 | -2.31% | 13,325 |
| Sep 9, 2025 | 458.37 | 479.05 | 458.01 | 479.05 | 479.05 | 4.74% | 52 |
| Sep 8, 2025 | 455.05 | 460.53 | 452.35 | 457.38 | 457.38 | 1.10% | 270 |
| Sep 5, 2025 | 450.73 | 455.00 | 444.99 | 452.40 | 452.40 | -0.23% | 16 |
| Sep 4, 2025 | 449.88 | 459.49 | 448.00 | 453.42 | 453.42 | 1.96% | 216 |
| Sep 3, 2025 | 446.00 | 454.44 | 444.72 | 444.72 | 444.72 | -1.30% | 29 |
| Sep 2, 2025 | 448.88 | 454.08 | 441.94 | 450.56 | 450.56 | 0.64% | 379 |
| Aug 29, 2025 | 455.08 | 455.08 | 445.35 | 447.68 | 447.68 | -1.14% | 118 |
| Aug 28, 2025 | 452.01 | 455.85 | 452.01 | 452.83 | 452.83 | 0.21% | 1,061 |
| Aug 27, 2025 | 450.00 | 452.00 | 449.03 | 451.90 | 451.90 | 1.16% | 1,110 |
| Aug 26, 2025 | 445.85 | 450.75 | 444.88 | 446.70 | 446.70 | 0.05% | 10 |
| Aug 25, 2025 | 454.38 | 458.78 | 446.23 | 446.47 | 446.47 | -2.69% | 62 |
| Aug 22, 2025 | 469.17 | 470.00 | 455.11 | 458.81 | 458.81 | -1.41% | 219 |
| Aug 21, 2025 | 458.31 | 466.95 | 455.70 | 465.37 | 465.37 | 0.32% | 24,027 |
| Aug 20, 2025 | 457.05 | 464.65 | 454.00 | 463.88 | 463.88 | 1.34% | 572 |
| Aug 19, 2025 | 451.24 | 462.26 | 451.24 | 457.76 | 457.76 | 0.57% | 182 |
| Aug 18, 2025 | 448.99 | 455.76 | 446.50 | 455.15 | 455.15 | 1.42% | 370 |
| Aug 15, 2025 | 449.98 | 449.98 | 438.23 | 448.78 | 448.78 | 2.16% | 41 |
| Aug 14, 2025 | 434.09 | 440.64 | 430.52 | 439.27 | 439.27 | 1.99% | 53 |
| Aug 13, 2025 | 416.29 | 433.22 | 416.29 | 430.70 | 430.70 | 0.14% | 139 |
| Aug 12, 2025 | 434.95 | 436.30 | 429.91 | 430.11 | 430.11 | -3.08% | 48 |
| Aug 11, 2025 | 436.93 | 444.00 | 430.00 | 443.78 | 443.78 | 2.86% | 32 |
| Aug 8, 2025 | 432.43 | 438.54 | 428.08 | 431.46 | 431.46 | 0.60% | 138 |
| Aug 7, 2025 | 426.80 | 435.37 | 423.95 | 428.91 | 428.91 | 2.25% | 146 |
| Aug 6, 2025 | 419.90 | 420.06 | 417.02 | 419.47 | 419.47 | 0.75% | 63 |
| Aug 5, 2025 | 417.31 | 423.90 | 412.88 | 416.33 | 416.33 | -0.76% | 160 |
| Aug 4, 2025 | 402.00 | 419.50 | 402.00 | 419.50 | 419.50 | 5.76% | 610 |
| Aug 1, 2025 | 383.95 | 398.92 | 380.00 | 396.66 | 396.66 | 1.17% | 123 |
| Jul 31, 2025 | 360.25 | 401.66 | 357.00 | 392.07 | 392.07 | 13.81% | 1,046 |
| Jul 30, 2025 | 331.90 | 344.49 | 331.90 | 344.49 | 344.49 | 5.51% | 84 |
| Jul 29, 2025 | 328.92 | 329.90 | 324.50 | 326.51 | 326.51 | -0.71% | 255 |
| Jul 28, 2025 | 329.51 | 331.00 | 328.37 | 328.84 | 328.84 | 1.03% | 79 |
| Jul 25, 2025 | 332.61 | 332.61 | 325.49 | 325.49 | 325.49 | -1.16% | 23 |
| Jul 24, 2025 | 328.00 | 329.60 | 327.19 | 329.32 | 329.32 | 0.81% | 113 |
| Jul 23, 2025 | 328.50 | 328.50 | 324.95 | 326.68 | 326.68 | 1.71% | 26 |
| Jul 22, 2025 | 321.48 | 322.40 | 320.00 | 321.21 | 321.21 | -0.36% | 12 |
| Jul 21, 2025 | 321.00 | 330.00 | 321.00 | 322.36 | 322.36 | 0.83% | 426 |
| Jul 18, 2025 | 328.00 | 328.00 | 319.71 | 319.71 | 319.71 | -0.74% | 16 |
| Jul 17, 2025 | 325.00 | 327.78 | 322.08 | 322.08 | 322.08 | 0.79% | 12 |