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Pre-market opens in 1 day 14 hours 12 minutes
Main market opens in 1 day 19 hours 42 minutes

13:47
00:00
23:59

Trading Hours (Monday - Friday):

Pre-market
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Main market
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Post-market
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All times are displayed in the America/New_York timezone (EDT, UTC-04:00).
295.51001 USD
0.22
0.07%
Last update May 8, 4:16 PM BST
Market closed
Day range
291.51999
303
Previous close
295.73001
Open
303
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Alnylam Pharmaceuticals Inc
295.51
0.22
0.07%

Historical data

Prices

Date Open High Low Close % Change Volume
May 08, 2026 303 303 291.52 295.51 -2.47% 110
May 07, 2026 303 304 294.48 295.73 -2.40% 576
May 06, 2026 303.94 305.75 294 303.19 -0.25% 82
May 05, 2026 297.96 303.89 295.02 299.99 0.68% 53
May 04, 2026 300.20 305.45 288.93 293.97 -2.08% 1663
May 01, 2026 319.08 319.08 300 300.97 -5.68% 1259
Apr 30, 2026 309.61 334.10 287.00 310.82 0.39% 642
Apr 29, 2026 301.92 304.14 295.22 296.70 -1.73% 204
Apr 28, 2026 309 314.29 302.58 304.55 -1.44% 325
Apr 27, 2026 313.54 315 302 305.61 -2.53% 44
Apr 24, 2026 312.47 315.27 303.20 305.72 -2.16% 136
Apr 23, 2026 309 316 309 311.89 0.94% 55
Apr 22, 2026 315 315 306.55 310.63 -1.39% 435
Apr 21, 2026 310 314.20 301.99 305.12 -1.57% 258
Apr 20, 2026 312.70 314.01 305.60 309.77 -0.94% 125
Apr 17, 2026 326 326.53 307 308.71 -5.30% 173
Apr 16, 2026 338.08 340.75 324.49 324.49 -4.02% 21
Apr 15, 2026 341.63 348.28 331.92 335.92 -1.67% 197
Apr 14, 2026 334.98 342.98 327.02 338.12 0.94% 3979
Apr 13, 2026 315 330.09 315 330.09 4.79% 17
Apr 10, 2026 325.50 328.17 318.21 326.40 0.28% 790
Apr 09, 2026 328 328 320.68 321.74 -1.91% 29
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Market closed

Pre-market opens in 1 day 12 hours 27 minutes
Main market opens in 1 day 13 hours 12 minutes

18:47
00:00
23:59

Trading Hours (Monday - Friday):

Pre-market
07:15 - 08:00
Main market
08:00 - 16:30
Post-market
16:30 - 17:15
All times are displayed in the Europe/London timezone (BST, UTC+01:00).