Alnylam Pharmaceuticals, Inc. ALNY
165.04 USD +8.39 (+5.36%)
Regular-session close
165.91 +0.87 +0.53%
After hours · Nov 13, 7:59 PM ET
158.83 Day range 168.33
151.64 52-week range 473.29
- YTD
- -58.50%
- 1 year
- -63.65%
ALNY price history
| Date | Open | High | Low | Close | Change | Change % | Volume |
|---|---|---|---|---|---|---|---|
| Nov 13, 2026 | 159.17 | 168.35 | 158.82 | 165.04 | +8.39 | +5.36% | 3,588,597 |
| Nov 12, 2026 | 160.16 | 162.77 | 156.59 | 156.65 | -3.20 | -2.00% | 3,514,800 |
| Nov 11, 2026 | 152.22 | 159.92 | 151.85 | 159.85 | +8.21 | +5.41% | 3,360,000 |
| Nov 10, 2026 | 155.02 | 158.82 | 149.18 | 151.64 | -4.97 | -3.17% | 2,455,600 |
| Nov 9, 2026 | 156.13 | 158.70 | 152.17 | 156.61 | +0.67 | +0.43% | 3,302,100 |
| Nov 6, 2026 | 155.22 | 159.45 | 154.30 | 155.94 | -0.72 | -0.46% | 2,829,700 |
| Nov 5, 2026 | 167.12 | 168.50 | 156.37 | 156.66 | -4.42 | -2.74% | 3,314,000 |
| Nov 4, 2026 | 166.73 | 170.49 | 160.29 | 161.08 | +1.19 | +0.74% | 3,636,600 |
| Nov 3, 2026 | 158.94 | 161.58 | 156.72 | 159.89 | +1.89 | +1.20% | 3,790,900 |
| Nov 2, 2026 | 163.10 | 163.90 | 156.00 | 158.00 | -7.00 | -4.24% | 4,762,400 |
| Oct 30, 2026 | 172.70 | 180.61 | 163.30 | 165.00 | -9.00 | -5.17% | 7,054,900 |
| Oct 29, 2026 | 185.59 | 202.37 | 172.31 | 174.00 | -58.40 | -25.13% | 11,800,000 |
| Oct 28, 2026 | 222.72 | 232.88 | 220.00 | 232.40 | +5.61 | +2.47% | 1,943,900 |
| Oct 27, 2026 | 225.00 | 228.49 | 222.82 | 226.79 | -0.87 | -0.38% | 1,603,500 |
| Oct 26, 2026 | 226.24 | 232.48 | 224.10 | 227.66 | +3.63 | +1.62% | 1,436,900 |
| Oct 23, 2026 | 227.28 | 229.39 | 222.00 | 224.03 | -3.25 | -1.43% | 1,055,900 |
| Oct 22, 2026 | 224.92 | 229.82 | 223.76 | 227.28 | +2.18 | +0.97% | 2,211,900 |
| Oct 21, 2026 | 227.86 | 230.84 | 224.88 | 225.10 | -5.61 | -2.43% | 1,181,000 |
| Oct 20, 2026 | 237.73 | 238.96 | 229.54 | 230.71 | -2.58 | -1.11% | 1,505,200 |
| Oct 19, 2026 | 232.65 | 236.54 | 231.26 | 233.29 | +1.46 | +0.63% | 1,344,100 |
| Oct 16, 2026 | 235.18 | 237.98 | 231.29 | 231.83 | -2.20 | -0.94% | 1,404,800 |
| Oct 15, 2026 | 230.00 | 234.30 | 228.12 | 234.03 | +9.56 | +4.26% | 1,257,400 |
| Oct 14, 2026 | 224.49 | 229.56 | 222.25 | 224.47 | +0.65 | +0.29% | 1,105,600 |
| Oct 13, 2026 | 228.93 | 229.53 | 221.56 | 223.82 | -3.20 | -1.41% | 1,119,000 |
| Oct 12, 2026 | 233.13 | 233.60 | 226.35 | 227.02 | -5.66 | -2.43% | 916,900 |
| Oct 9, 2026 | 224.74 | 232.94 | 222.71 | 232.68 | +8.15 | +3.63% | 959,400 |
| Oct 8, 2026 | 222.03 | 225.90 | 218.39 | 224.53 | +0.12 | +0.05% | 1,771,700 |
| Oct 7, 2026 | 224.39 | 230.42 | 222.46 | 224.41 | +0.47 | +0.21% | 1,064,100 |
| Oct 6, 2026 | 221.02 | 229.18 | 217.18 | 223.94 | +4.05 | +1.84% | 1,356,300 |
| Oct 5, 2026 | 218.36 | 222.08 | 215.46 | 219.89 | +0.17 | +0.08% | 1,281,100 |
| Oct 2, 2026 | 231.31 | 231.36 | 219.40 | 219.72 | -11.46 | -4.96% | 1,661,700 |
| Oct 1, 2026 | 248.21 | 251.71 | 230.06 | 231.18 | -15.56 | -6.31% | 2,017,300 |
| Sep 30, 2026 | 253.68 | 254.44 | 246.66 | 246.74 | -7.33 | -2.89% | 1,044,400 |
| Sep 29, 2026 | 254.86 | 257.27 | 251.02 | 254.07 | -1.29 | -0.51% | 786,900 |
| Sep 28, 2026 | 256.28 | 256.60 | 248.12 | 255.36 | -0.60 | -0.23% | 1,147,900 |
| Sep 25, 2026 | 248.39 | 256.66 | 247.51 | 255.96 | +6.37 | +2.55% | 1,084,500 |
| Sep 24, 2026 | 246.51 | 251.81 | 245.52 | 249.59 | +3.08 | +1.25% | 933,700 |
| Sep 23, 2026 | 249.99 | 253.81 | 245.34 | 246.51 | -5.14 | -2.04% | 1,481,700 |
| Sep 22, 2026 | 246.86 | 255.51 | 244.13 | 251.65 | +7.33 | +3.00% | 1,131,800 |
| Sep 21, 2026 | 240.37 | 247.10 | 237.97 | 244.32 | +4.76 | +1.99% | 1,152,700 |
| Sep 18, 2026 | 246.41 | 246.49 | 238.51 | 239.56 | -5.95 | -2.42% | 2,755,000 |
| Sep 17, 2026 | 242.60 | 245.63 | 239.50 | 245.51 | +6.15 | +2.57% | 1,006,500 |
| Sep 16, 2026 | 239.50 | 242.24 | 236.00 | 239.36 | +1.09 | +0.46% | 853,700 |
| Sep 15, 2026 | 246.99 | 247.43 | 237.44 | 238.27 | -11.72 | -4.69% | 2,175,100 |
| Sep 14, 2026 | 250.17 | 252.79 | 244.18 | 249.99 | +1.31 | +0.53% | 997,200 |
| Sep 11, 2026 | 248.05 | 254.08 | 246.01 | 248.68 | +1.17 | +0.47% | 1,177,300 |
| Sep 10, 2026 | 256.68 | 256.68 | 246.42 | 247.51 | -10.49 | -4.07% | 1,625,900 |
| Sep 9, 2026 | 257.07 | 261.98 | 253.28 | 258.00 | -2.10 | -0.81% | 1,426,300 |
| Sep 8, 2026 | 259.00 | 272.08 | 254.01 | 260.10 | -6.01 | -2.26% | 2,008,500 |
| Sep 4, 2026 | 258.58 | 266.85 | 258.02 | 266.11 | +1.61 | +0.61% | 1,430,900 |
| Sep 3, 2026 | 265.94 | 271.19 | 261.54 | 264.50 | -2.90 | -1.08% | 1,709,100 |
| Sep 2, 2026 | 246.48 | 269.94 | 246.48 | 267.40 | +21.29 | +8.65% | 3,286,200 |
| Sep 1, 2026 | 242.40 | 248.13 | 238.00 | 246.11 | +5.42 | +2.25% | 1,941,200 |
| Aug 31, 2026 | 235.94 | 243.02 | 233.33 | 240.69 | +3.59 | +1.51% | 1,636,200 |
| Aug 28, 2026 | 224.47 | 239.08 | 223.61 | 237.10 | +0.54 | +0.23% | 1,847,000 |
| Aug 27, 2026 | 236.56 | 238.00 | 230.46 | 236.56 | -2.44 | -1.02% | 1,293,200 |
| Aug 26, 2026 | 238.54 | 242.89 | 236.60 | 239.00 | -1.08 | -0.45% | 1,116,200 |
| Aug 25, 2026 | 236.56 | 240.67 | 235.41 | 240.08 | +4.07 | +1.72% | 1,576,200 |
| Aug 24, 2026 | 235.83 | 237.91 | 228.59 | 236.01 | -0.21 | -0.09% | 2,134,900 |
| Aug 21, 2026 | 228.88 | 238.97 | 228.34 | 236.22 | +6.92 | +3.02% | 1,902,200 |
| Aug 20, 2026 | 239.00 | 240.88 | 228.74 | 229.30 | -13.31 | -5.49% | 1,701,700 |
| Aug 19, 2026 | 234.36 | 244.03 | 233.40 | 242.61 | +14.00 | +6.12% | 1,879,100 |
| Aug 18, 2026 | 226.27 | 230.91 | 222.01 | 228.61 | +4.01 | +1.79% | 1,600,200 |
| Aug 17, 2026 | 225.76 | 227.99 | 222.12 | 224.60 | -4.05 | -1.77% | 1,539,200 |
| Aug 14, 2026 | 223.52 | 228.98 | 220.23 | 228.65 | +1.53 | +0.67% | 1,525,800 |
65 days, newest first. Daily bars as drawn on the ALNY chart; change is against the previous day's close. Open, high, low and volume are in the download and on a wider screen.