Alnylam Pharmaceuticals I...

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252.49
1.98 (0.79%)
At close: Feb 20, 2025, 3:59 PM
250.50
-0.79%
After-hours: Feb 20, 2025, 04:08 PM EST

ALNY Stock Price History

Date Open High Low Close Change % Change Volume
Feb 19, 2025 250.19 254.01 246.61 250.51 0.51 0.20% 766,476
Feb 18, 2025 256.95 260.00 249.16 250.00 -6.45 -2.52% 910,300
Feb 14, 2025 264.02 264.87 251.87 256.45 -8.44 -3.19% 806,000
Feb 13, 2025 258.60 268.52 256.65 264.89 -1.07 -0.40% 769,200
Feb 12, 2025 265.93 268.20 261.69 265.96 -3.03 -1.13% 820,730
Feb 11, 2025 272.19 273.23 266.98 268.99 -5.07 -1.85% 283,260
Feb 10, 2025 275.41 276.23 267.92 274.06 -2.13 -0.77% 823,841
Feb 7, 2025 276.91 278.03 272.35 276.19 -2.06 -0.74% 469,100
Feb 6, 2025 276.09 279.24 274.05 278.25 1.94 0.70% 528,600
Feb 5, 2025 272.15 278.44 272.15 276.31 5.31 1.96% 750,000
Feb 4, 2025 273.15 277.98 269.05 271.00 -3.55 -1.29% 743,000
Feb 3, 2025 270.78 278.51 266.21 274.55 3.24 1.19% 779,400
Jan 31, 2025 276.86 279.34 270.26 271.31 -5.85 -2.11% 648,115
Jan 30, 2025 274.86 279.36 269.00 277.16 3.17 1.16% 561,212
Jan 29, 2025 279.38 279.70 273.45 273.99 -5.20 -1.86% 381,800
Jan 28, 2025 276.97 283.56 273.33 279.19 2.46 0.89% 611,314
Jan 27, 2025 277.01 287.22 274.24 276.73 -2.03 -0.73% 785,900
Jan 24, 2025 273.43 279.67 271.52 278.76 3.22 1.17% 924,200
Jan 23, 2025 266.85 277.22 263.01 275.54 9.00 3.38% 686,500
Jan 22, 2025 265.71 269.14 262.17 266.54 1.55 0.58% 746,400
Jan 21, 2025 251.37 265.02 251.23 264.99 18.72 7.60% 938,900
Jan 17, 2025 251.28 253.50 245.69 246.27 -2.89 -1.16% 558,134
Jan 16, 2025 252.54 256.93 247.90 249.16 -1.85 -0.74% 683,947
Jan 15, 2025 244.00 255.30 244.00 251.01 10.50 4.37% 871,000
Jan 14, 2025 258.74 259.60 240.02 240.51 -17.76 -6.88% 783,800
Jan 13, 2025 240.00 261.86 236.87 258.27 20.29 8.53% 1,224,400
Jan 10, 2025 237.17 240.17 232.82 237.98 -2.57 -1.07% 706,146
Jan 8, 2025 236.34 240.65 234.11 240.55 4.60 1.95% 654,000
Jan 7, 2025 234.00 239.23 232.98 235.95 2.80 1.20% 629,000
Jan 6, 2025 234.09 237.49 231.00 233.15 -1.13 -0.48% 561,533
Jan 3, 2025 232.59 235.53 232.35 234.28 0.66 0.28% 411,200
Jan 2, 2025 237.92 239.99 232.25 233.62 -1.69 -0.72% 392,740
Dec 31, 2024 237.26 238.44 235.16 235.31 -0.70 -0.30% 370,137
Dec 30, 2024 235.73 236.95 233.00 236.01 -1.96 -0.82% 382,384
Dec 27, 2024 241.81 243.61 237.15 237.97 -4.53 -1.87% 342,916
Dec 26, 2024 241.78 244.82 240.43 242.50 -0.75 -0.31% 358,611
Dec 24, 2024 241.70 243.90 236.70 243.25 0.99 0.41% 253,100
Dec 23, 2024 244.63 244.64 237.12 242.26 -3.18 -1.30% 718,100
Dec 20, 2024 239.45 247.21 235.93 245.44 6.57 2.75% 1,663,600
Dec 19, 2024 238.11 242.87 233.41 238.87 0.95 0.40% 975,521
Dec 18, 2024 245.67 247.05 237.25 237.92 -8.66 -3.51% 543,219
Dec 17, 2024 242.70 249.58 240.42 246.58 2.59 1.06% 634,408
Dec 16, 2024 246.44 247.93 242.13 243.99 -1.45 -0.59% 598,900
Dec 13, 2024 246.01 249.51 241.89 245.44 0.18 0.07% 592,047
Dec 12, 2024 255.02 255.47 244.84 245.26 -8.89 -3.50% 751,061
Dec 11, 2024 254.50 255.92 250.21 254.15 0.24 0.09% 453,500
Dec 10, 2024 257.72 257.99 250.33 253.91 -1.98 -0.77% 463,321
Dec 9, 2024 255.39 258.12 252.20 255.89 -0.37 -0.14% 611,037
Dec 6, 2024 251.60 257.81 250.65 256.26 4.45 1.77% 575,533
Dec 5, 2024 252.99 255.29 250.21 251.81 -2.91 -1.14% 460,400