ALNY
Alnylam Pharma (ALNY)
NASDAQ
$227.53+$2.43 (+1.08%)
Price as of Oct 22, 2026 7:54 PM EDT
  • $30.1B
    Market Cap
  • -51.58%
    1-Year Change
  • Biotechnology
    Industry
  • 1 Month
    -7.87%
    Low Price$219.72
    High Price$255.96
  • 3 Months
    -17.05%
    Low Price$205.48
    High Price$288.41
  • 1 Year
    -51.58%
    Low Price$205.48
    High Price$481.59
Date
Open
High
Low
Close
Change (%)
Volume
10/21/2026
227.86
230.84
224.88
225.10
-2.43%
1,181,022
10/20/2026
237.73
238.96
229.54
230.71
-1.11%
1,505,186
10/19/2026
232.65
236.54
231.26
233.29
+0.63%
1,344,490
10/16/2026
235.18
237.98
231.29
231.83
-0.94%
1,404,862
10/15/2026
230.00
234.30
228.12
234.03
+4.26%
1,257,475
10/14/2026
224.49
229.56
222.25
224.47
+0.29%
1,105,654
10/13/2026
228.93
229.53
221.56
223.82
-1.41%
1,119,027
10/12/2026
233.13
233.60
226.35
227.02
-2.43%
916,919
10/09/2026
224.74
232.94
222.71
232.68
+3.63%
959,452
10/08/2026
222.03
225.90
218.39
224.53
+0.05%
1,771,701
10/07/2026
224.39
230.42
222.46
224.41
+0.21%
1,064,112
10/06/2026
221.02
229.18
217.18
223.94
+1.84%
1,356,363
10/05/2026
218.36
222.08
215.46
219.89
+0.08%
1,281,705
10/02/2026
231.31
231.36
219.40
219.72
-4.96%
1,662,569
10/01/2026
248.21
251.71
230.06
231.18
-6.31%
2,017,407
09/30/2026
253.68
254.44
246.66
246.74
-2.89%
1,044,415
09/29/2026
254.86
257.27
251.02
254.07
-0.51%
787,081
09/28/2026
256.28
256.60
248.12
255.36
-0.23%
1,147,873
09/25/2026
248.39
256.66
247.51
255.96
+2.55%
1,084,509
09/24/2026
246.51
251.81
245.52
249.59
+1.25%
933,738
09/23/2026
249.99
253.81
245.34
246.51
-2.04%
1,481,714
09/22/2026
246.86
255.51
244.13
251.65
+3.00%
1,131,953
09/21/2026
240.37
247.10
237.97
244.32
+1.99%
1,152,874
09/18/2026
246.41
246.49
238.51
239.56
-2.42%
2,756,179
09/17/2026
242.60
245.63
239.50
245.51
+2.57%
1,006,574
09/16/2026
239.50
242.24
236.00
239.36
+0.46%
853,904
09/15/2026
246.99
247.43
237.44
238.27
-4.69%
2,175,150
09/14/2026
250.17
252.79
244.18
249.99
+0.53%
997,229
09/11/2026
248.05
254.08
246.01
248.68
+0.47%
1,177,423
09/10/2026
256.68
256.68
246.42
247.51
-4.07%
1,626,111
09/09/2026
257.07
261.98
253.28
258.00
-0.81%
1,426,416
09/08/2026
259.00
272.08
254.01
260.10
-2.26%
2,008,398
09/04/2026
258.58
266.85
258.02
266.11
+0.61%
1,431,222
09/03/2026
265.94
271.19
261.54
264.50
-1.08%
1,710,078
09/02/2026
246.48
269.94
246.48
267.40
+8.65%
3,286,330
09/01/2026
242.40
248.13
238.00
246.11
+2.25%
1,941,272
08/31/2026
235.94
243.02
233.33
240.69
+1.51%
1,637,326
08/28/2026
224.47
239.08
223.61
237.10
+0.23%
1,847,141
08/27/2026
236.56
238.00
230.46
236.56
-1.02%
1,293,542
08/26/2026
238.54
242.89
236.60
239.00
-0.45%
1,116,266
08/25/2026
236.56
240.67
235.41
240.08
+1.72%
1,576,353
08/24/2026
235.83
237.91
228.59
236.01
-0.09%
2,137,242
08/21/2026
228.88
238.97
228.34
236.22
+3.02%
1,906,406
08/20/2026
239.00
240.88
228.74
229.30
-5.49%
1,701,706
08/19/2026
234.36
244.03
233.40
242.61
+6.12%
1,879,216
08/18/2026
226.27
230.91
222.01
228.61
+1.79%
1,603,900
08/17/2026
225.76
227.99
222.12
224.60
-1.77%
1,539,238
08/14/2026
223.52
228.98
220.23
228.65
+0.67%
1,525,934
08/13/2026
225.95
227.54
222.70
227.12
+1.42%
1,449,424
08/12/2026
219.00
224.66
219.00
223.95
+1.24%
1,621,305
08/11/2026
217.41
223.44
216.50
221.20
+1.94%
1,440,468
08/10/2026
218.00
223.50
215.61
216.98
-1.01%
1,404,831
08/07/2026
217.31
219.64
210.49
219.20
+1.43%
1,735,952
08/06/2026
228.58
234.00
212.98
216.12
-5.51%
2,274,709
08/05/2026
221.74
229.65
221.50
228.72
+4.44%
2,734,600
08/04/2026
220.33
222.59
215.07
219.00
-0.60%
3,107,854
08/03/2026
208.04
220.49
208.04
220.33
+7.21%
3,400,185
07/31/2026
205.46
207.99
200.11
205.52
+0.02%
4,477,535
07/30/2026
225.02
230.00
197.81
205.48
-28.31%
9,840,240
07/30/2026
$1.84 Earnings
07/29/2026
288.09
290.60
284.15
286.62
-0.62%
1,301,461
07/28/2026
282.79
290.47
281.23
288.41
+3.60%
1,437,745
07/27/2026
272.66
284.68
272.66
278.40
+2.44%
1,409,632
07/24/2026
268.74
275.58
265.64
271.77
+1.13%
1,151,030
07/23/2026
265.95
269.22
262.21
268.74
+0.66%
1,140,799
07/22/2026
270.84
273.72
264.21
266.99
-1.61%
1,104,662
07/21/2026
272.40
278.30
270.01
271.37
-0.48%
982,812
07/20/2026
267.55
275.25
266.27
272.67
+1.94%
1,359,743
07/17/2026
280.99
284.36
266.43
267.47
-5.54%
1,378,455
07/16/2026
279.65
286.60
273.78
283.15
+1.44%
1,437,402
07/15/2026
281.70
284.80
275.84
279.14
-0.75%
1,284,941
07/14/2026
283.55
286.76
279.43
281.26
-2.36%
1,083,581
07/13/2026
298.01
298.76
279.41
288.06
-3.58%
2,682,653
07/10/2026
314.71
322.49
293.78
298.76
-4.49%
2,538,293
07/09/2026
378.49
380.00
311.10
312.79
-3.31%
5,887,093
07/08/2026
318.50
325.37
316.78
323.50
+0.59%
903,803
07/07/2026
317.07
321.98
315.35
321.59
+2.73%
980,464
07/06/2026
319.34
319.34
307.13
313.04
+0.08%
891,867
07/02/2026
303.87
317.17
303.00
312.78
+3.68%
1,093,478
07/01/2026
304.54
309.28
301.50
301.67
+0.21%
1,070,636
06/30/2026
296.82
302.74
295.18
301.03
+2.56%
1,411,524
06/29/2026
296.97
298.28
291.90
293.52
+0.74%
1,367,345
06/26/2026
297.57
302.96
290.37
291.37
-0.61%
1,490,598
06/25/2026
293.68
298.35
290.07
293.17
-0.30%
1,128,205
06/24/2026
290.95
303.46
288.85
294.06
+2.04%
1,300,236
06/23/2026
290.89
291.95
285.26
288.18
+0.62%
1,087,827
06/22/2026
278.42
286.67
278.17
286.41
+2.99%
1,420,700
06/18/2026
280.11
282.98
273.11
278.09
-1.64%
2,204,704
06/17/2026
281.31
288.00
277.78
282.72
+0.29%
1,322,217
06/16/2026
288.13
288.48
276.94
281.90
-2.05%
1,213,143
06/15/2026
282.92
288.11
281.36
287.80
+1.75%
1,118,546
06/12/2026
288.96
291.28
281.77
282.85
-2.26%
1,420,051
06/11/2026
290.70
292.98
285.22
289.39
-0.63%
1,061,497
06/10/2026
297.69
299.70
290.53
291.22
-2.17%
927,375
06/09/2026
297.31
302.85
293.97
297.69
+1.89%
1,260,044
06/08/2026
303.11
303.57
285.54
292.16
-3.59%
1,651,436
06/05/2026
306.34
306.73
300.50
303.05
-0.19%
1,004,446
06/04/2026
297.22
310.53
293.85
303.64
+3.78%
1,081,497
06/03/2026
284.48
293.16
283.10
292.58
+2.26%
988,711
06/02/2026
293.94
295.60
285.00
286.12
-3.22%
1,042,633