ALNY
Alnylam Pharma (ALNY)
NASDAQ
$239.62+$0.06 (+0.02%)
Price as of Sep 18, 2026 7:30 PM EDT
  • $32.9B
    Market Cap
  • -45.70%
    1-Year Change
  • Biotechnology
    Industry
  • 1 Month
    +9.31%
    Low Price$229.30
    High Price$267.40
  • 3 Months
    -13.16%
    Low Price$205.48
    High Price$323.50
  • 1 Year
    -45.70%
    Low Price$205.48
    High Price$491.22
Date
Open
High
Low
Close
Change (%)
Volume
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
06/01/2026
299.51
303.98
295.13
295.63
-2.10%
1,186,175
05/29/2026
302.43
305.68
297.62
301.98
-1.01%
2,278,070
05/28/2026
293.00
305.98
291.84
305.06
+3.19%
1,020,763
05/27/2026
293.40
299.98
292.91
295.63
+0.04%
629,511
05/26/2026
299.00
301.09
294.26
295.50
-0.66%
649,692
05/22/2026
299.12
303.33
294.99
297.45
-1.02%
681,308
05/21/2026
296.64
301.43
293.00
300.51
+0.68%
650,340
05/20/2026
297.80
300.08
292.10
298.48
+1.42%
800,541
05/19/2026
289.00
294.93
284.38
294.30
+2.81%
770,340
05/18/2026
287.14
291.97
285.26
286.27
-0.25%
873,363
05/15/2026
294.78
298.00
286.76
286.98
-2.20%
1,149,641
05/14/2026
290.72
297.00
287.51
293.45
+0.68%
889,672
05/13/2026
290.70
298.38
288.56
291.48
-0.19%
976,954
05/12/2026
288.66
295.86
286.73
292.03
+2.52%
826,171
05/11/2026
294.15
296.37
284.28
284.84
-3.46%
1,287,797
05/08/2026
295.91
300.17
293.06
295.05
-0.29%
926,772
05/07/2026
300.55
303.46
293.78
295.91
-2.34%
1,144,021
05/06/2026
301.57
306.03
298.96
303.00
+0.63%
1,012,335
05/05/2026
297.81
302.67
295.02
301.11
+1.07%
823,895
05/04/2026
298.00
300.49
288.06
297.93
+0.61%
1,590,520
05/01/2026
308.76
311.88
295.79
296.11
-4.32%
1,132,872
04/30/2026
307.48
317.56
287.00
309.49
+2.76%
2,192,118
04/30/2026
$1.99 Earnings