Alnylam Pharmaceuticals, Inc. (ALNY)
NASDAQ: ALNY · Real-Time Price · USD
369.96
-0.95 (-0.26%)
At close: Jan 13, 2026, 4:00 PM EST
370.00
+0.04 (0.01%)
After-hours: Jan 13, 2026, 6:59 PM EST
Alnylam Pharmaceuticals Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jan 13, 2026 | 369.10 | 376.88 | 366.92 | 369.96 | 369.96 | -0.26% | 1,620,992 |
| Jan 12, 2026 | 377.82 | 378.61 | 353.52 | 370.91 | 370.91 | -6.87% | 3,806,552 |
| Jan 9, 2026 | 399.40 | 409.58 | 392.56 | 398.29 | 398.29 | -0.28% | 1,425,699 |
| Jan 8, 2026 | 420.18 | 425.19 | 393.48 | 399.40 | 399.40 | -5.47% | 1,400,597 |
| Jan 7, 2026 | 405.51 | 427.05 | 405.51 | 422.50 | 422.50 | 3.96% | 1,425,992 |
| Jan 6, 2026 | 396.23 | 409.18 | 384.42 | 406.40 | 406.40 | 2.15% | 1,612,885 |
| Jan 5, 2026 | 397.57 | 400.00 | 383.84 | 397.83 | 397.83 | -0.58% | 1,093,597 |
| Jan 2, 2026 | 399.34 | 407.22 | 396.08 | 400.17 | 400.17 | 0.63% | 730,450 |
| Dec 31, 2025 | 397.25 | 402.44 | 397.25 | 397.65 | 397.65 | 0.10% | 768,813 |
| Dec 30, 2025 | 394.81 | 398.40 | 393.64 | 397.25 | 397.25 | -0.39% | 504,701 |
| Dec 29, 2025 | 400.10 | 402.72 | 397.05 | 398.82 | 398.82 | -0.44% | 636,758 |
| Dec 26, 2025 | 404.58 | 404.58 | 397.31 | 400.59 | 400.59 | -0.02% | 401,455 |
| Dec 24, 2025 | 395.99 | 401.47 | 395.05 | 400.69 | 400.69 | 0.50% | 382,374 |
| Dec 23, 2025 | 404.72 | 407.43 | 395.99 | 398.70 | 398.70 | -2.21% | 791,646 |
| Dec 22, 2025 | 409.60 | 413.59 | 403.20 | 407.73 | 407.73 | 1.87% | 1,052,463 |
| Dec 19, 2025 | 399.11 | 408.15 | 395.97 | 400.23 | 400.23 | 1.06% | 12,549,977 |
| Dec 18, 2025 | 394.49 | 404.19 | 391.51 | 396.04 | 396.04 | 1.00% | 1,544,254 |
| Dec 17, 2025 | 394.18 | 400.24 | 389.00 | 392.10 | 392.10 | 0.24% | 1,013,223 |
| Dec 16, 2025 | 390.65 | 399.64 | 388.54 | 391.17 | 391.17 | -0.08% | 1,304,414 |
| Dec 15, 2025 | 394.22 | 402.33 | 390.00 | 391.50 | 391.50 | -1.52% | 1,416,847 |
| Dec 12, 2025 | 408.86 | 410.04 | 387.03 | 397.55 | 397.55 | -3.65% | 1,593,812 |
| Dec 11, 2025 | 403.36 | 414.22 | 402.22 | 412.63 | 412.63 | 2.02% | 1,207,741 |
| Dec 10, 2025 | 416.54 | 417.00 | 403.80 | 404.46 | 404.46 | -2.59% | 1,188,837 |
| Dec 9, 2025 | 430.45 | 433.31 | 412.31 | 415.21 | 415.21 | -3.44% | 1,610,428 |
| Dec 8, 2025 | 447.00 | 449.78 | 423.45 | 430.02 | 430.02 | -6.13% | 2,410,967 |
| Dec 5, 2025 | 468.29 | 473.50 | 455.32 | 458.12 | 458.12 | -1.55% | 621,475 |
| Dec 4, 2025 | 472.67 | 477.06 | 463.03 | 465.34 | 465.34 | -1.68% | 983,961 |
| Dec 3, 2025 | 466.49 | 479.79 | 460.41 | 473.29 | 473.29 | 1.80% | 1,076,170 |
| Dec 2, 2025 | 453.90 | 472.48 | 453.01 | 464.93 | 464.93 | 2.28% | 1,203,919 |
| Dec 1, 2025 | 450.00 | 462.93 | 448.27 | 454.56 | 454.56 | 0.74% | 1,070,637 |
| Nov 28, 2025 | 448.18 | 455.76 | 444.43 | 451.23 | 451.23 | 1.37% | 563,859 |
| Nov 26, 2025 | 432.87 | 447.69 | 430.27 | 445.12 | 445.12 | 3.56% | 908,163 |
| Nov 25, 2025 | 436.84 | 441.82 | 428.57 | 429.80 | 429.80 | -1.02% | 1,009,228 |
| Nov 24, 2025 | 439.46 | 444.67 | 420.30 | 434.23 | 434.23 | -0.49% | 1,750,352 |
| Nov 21, 2025 | 448.23 | 449.53 | 433.50 | 436.38 | 436.38 | -2.11% | 1,298,052 |
| Nov 20, 2025 | 463.32 | 467.73 | 445.34 | 445.79 | 445.79 | -3.25% | 787,662 |
| Nov 19, 2025 | 462.27 | 465.32 | 456.90 | 460.76 | 460.76 | -0.33% | 893,894 |
| Nov 18, 2025 | 458.15 | 469.11 | 456.27 | 462.30 | 462.30 | 0.38% | 668,666 |
| Nov 17, 2025 | 449.00 | 463.92 | 449.00 | 460.54 | 460.54 | 2.53% | 962,080 |
| Nov 14, 2025 | 453.87 | 461.96 | 448.28 | 449.16 | 449.16 | -1.06% | 968,547 |
| Nov 13, 2025 | 450.67 | 456.14 | 447.12 | 453.97 | 453.97 | 0.27% | 798,910 |
| Nov 12, 2025 | 450.63 | 459.27 | 446.71 | 452.74 | 452.74 | 0.17% | 937,690 |
| Nov 11, 2025 | 443.53 | 455.20 | 441.21 | 451.95 | 451.95 | 2.32% | 981,717 |
| Nov 10, 2025 | 445.00 | 449.68 | 440.93 | 441.70 | 441.70 | -0.23% | 739,044 |
| Nov 7, 2025 | 437.81 | 443.69 | 430.84 | 442.70 | 442.70 | 0.50% | 822,669 |
| Nov 6, 2025 | 431.78 | 445.50 | 429.00 | 440.49 | 440.49 | 1.36% | 700,509 |
| Nov 5, 2025 | 422.11 | 438.53 | 417.00 | 434.56 | 434.56 | 2.62% | 974,550 |
| Nov 4, 2025 | 429.90 | 431.50 | 421.83 | 423.47 | 423.47 | -2.44% | 1,170,232 |
| Nov 3, 2025 | 454.58 | 457.26 | 429.60 | 434.07 | 434.07 | -4.82% | 1,556,549 |
| Oct 31, 2025 | 449.00 | 459.77 | 441.22 | 456.04 | 456.04 | 1.44% | 1,817,670 |