5 DAY PERFORMANCE
+47.27%
1 MONTH PERFORMANCE
+25.42%
3 MONTH PERFORMANCE
+3.45%
6 MONTH PERFORMANCE
+0.72%
YEAR-TO-DATE PERFORMANCE
-18.62%
1 YEAR PERFORMANCE
-29.18%
Alnylam Pharmaceuticals Inc Stock Chart
Share Price History
| Date | Opening Price | Closing Price | High | Low | Volume | Market Capitalization |
|---|---|---|---|---|---|---|
| 10/08/2026 | $222.03 | $224.53 (1.13%) | $225.90 | $218.39 | 1.77 M | $29.92 B |
| 10/07/2026 | $224.39 | $224.41 (0.01%) | $230.42 | $222.46 | 1.06 M | $29.90 B |
| 10/06/2026 | $221.02 | $223.94 (1.32%) | $229.18 | $217.18 | 1.36 M | $29.84 B |
| 10/05/2026 | $218.36 | $219.89 (0.7%) | $222.08 | $215.46 | 1.28 M | $29.30 B |
| 10/02/2026 | $231.31 | $219.72 (-5.01%) | $231.36 | $219.40 | 1.66 M | $29.28 B |
| 10/01/2026 | $248.21 | $231.18 (-6.86%) | $251.71 | $230.06 | 2.02 M | $30.80 B |
| 09/30/2026 | $253.68 | $246.74 (-2.74%) | $254.44 | $246.66 | 1.04 M | $32.88 B |
| 09/29/2026 | $254.86 | $254.07 (-0.31%) | $257.27 | $251.02 | 787.08 K | $33.85 B |
| 09/28/2026 | $256.28 | $255.36 (-0.36%) | $256.60 | $248.12 | 1.15 M | $34.03 B |
| 09/25/2026 | $248.39 | $255.96 (3.05%) | $256.66 | $247.51 | 1.08 M | $34.11 B |
| 09/24/2026 | $246.51 | $249.59 (1.25%) | $251.81 | $245.52 | 933.74 K | $33.26 B |
| 09/23/2026 | $249.99 | $246.51 (-1.39%) | $253.81 | $245.34 | 1.48 M | $32.85 B |
| 09/22/2026 | $246.86 | $251.65 (1.94%) | $255.51 | $244.13 | 1.13 M | $33.53 B |
| 09/21/2026 | $240.37 | $244.32 (1.64%) | $247.10 | $237.97 | 1.15 M | $32.55 B |
| 09/18/2026 | $246.41 | $239.56 (-2.78%) | $246.49 | $238.51 | 2.76 M | $31.92 B |
| 09/17/2026 | $242.60 | $245.51 (1.2%) | $245.63 | $239.50 | 1.01 M | $32.71 B |
| 09/16/2026 | $239.50 | $239.36 (-0.06%) | $242.24 | $236.00 | 853.90 K | $31.89 B |
| 09/15/2026 | $246.99 | $238.27 (-3.53%) | $247.43 | $237.44 | 2.18 M | $31.75 B |
| 09/14/2026 | $250.17 | $249.99 (-0.07%) | $252.79 | $244.18 | 997.23 K | $33.31 B |
| 09/11/2026 | $248.05 | $248.68 (0.25%) | $254.08 | $246.01 | 1.18 M | $33.14 B |
| 09/10/2026 | $256.68 | $247.51 (-3.57%) | $256.68 | $246.42 | 1.63 M | $32.98 B |
| 09/09/2026 | $257.07 | $258.00 (0.36%) | $261.98 | $253.28 | 1.43 M | $34.38 B |
| 09/08/2026 | $259.00 | $260.10 (0.42%) | $272.08 | $254.01 | 2.01 M | $34.66 B |
| 09/04/2026 | $258.58 | $266.11 (2.91%) | $266.85 | $258.02 | 1.43 M | $35.46 B |
| 09/03/2026 | $265.94 | $264.50 (-0.54%) | $271.19 | $261.54 | 1.71 M | $35.24 B |
| 09/02/2026 | $246.48 | $267.40 (8.49%) | $269.94 | $246.48 | 3.29 M | $35.63 B |
| 09/01/2026 | $242.40 | $246.11 (1.53%) | $248.13 | $238.00 | 1.94 M | $32.79 B |
| 08/31/2026 | $235.94 | $240.69 (2.01%) | $243.02 | $233.33 | 1.64 M | $32.07 B |
| 08/28/2026 | $224.47 | $237.10 (5.63%) | $239.08 | $223.61 | 1.85 M | $31.59 B |
| 08/27/2026 | $236.56 | $236.56 (0%) | $238.00 | $230.46 | 1.29 M | $31.52 B |
| 08/26/2026 | $238.54 | $239.00 (0.19%) | $242.89 | $236.60 | 1.12 M | $31.85 B |
| 08/25/2026 | $236.56 | $240.08 (1.49%) | $240.67 | $235.41 | 1.58 M | $31.99 B |
| 08/24/2026 | $235.83 | $236.01 (0.08%) | $237.91 | $228.59 | 2.14 M | $31.45 B |
| 08/21/2026 | $228.88 | $236.22 (3.21%) | $238.97 | $228.34 | 1.91 M | $31.47 B |
| 08/20/2026 | $239.00 | $229.30 (-4.06%) | $240.88 | $228.74 | 1.70 M | $30.55 B |
| 08/19/2026 | $234.36 | $242.61 (3.52%) | $244.03 | $233.40 | 1.88 M | $32.33 B |
| 08/18/2026 | $226.27 | $228.61 (1.03%) | $230.91 | $222.01 | 1.60 M | $30.46 B |
| 08/17/2026 | $225.76 | $224.60 (-0.51%) | $227.99 | $222.12 | 1.54 M | $29.93 B |
| 08/14/2026 | $223.52 | $228.65 (2.3%) | $228.98 | $220.23 | 1.53 M | $30.47 B |
| 08/13/2026 | $225.95 | $227.12 (0.52%) | $227.54 | $222.70 | 1.45 M | $30.26 B |
| 08/12/2026 | $219.00 | $223.95 (2.26%) | $224.66 | $219.00 | 1.62 M | $29.84 B |
| 08/11/2026 | $217.41 | $221.20 (1.74%) | $223.44 | $216.50 | 1.44 M | $29.47 B |
| 08/10/2026 | $218.00 | $216.98 (-0.47%) | $223.50 | $215.61 | 1.40 M | $28.91 B |
| 08/07/2026 | $217.31 | $219.20 (0.87%) | $219.64 | $210.49 | 1.74 M | $29.21 B |
| 08/06/2026 | $228.58 | $216.12 (-5.45%) | $234.00 | $212.98 | 2.27 M | $28.80 B |
| 08/05/2026 | $221.74 | $228.72 (3.15%) | $229.65 | $221.50 | 2.73 M | $30.48 B |
| 08/04/2026 | $220.33 | $219.00 (-0.6%) | $222.59 | $215.07 | 3.11 M | $29.18 B |
| 08/03/2026 | $208.04 | $220.33 (5.91%) | $220.49 | $208.04 | 3.40 M | $29.36 B |
| 07/31/2026 | $205.46 | $205.52 (0.03%) | $207.99 | $200.11 | 4.48 M | $27.38 B |
| 07/30/2026 | $225.02 | $205.48 (-8.68%) | $230.00 | $197.81 | 9.84 M | $27.38 B |
| 07/29/2026 | $288.09 | $286.62 (-0.51%) | $290.60 | $284.15 | 1.30 M | $38.19 B |
| 07/28/2026 | $282.79 | $288.41 (1.99%) | $290.47 | $281.23 | 1.44 M | $38.43 B |
| 07/27/2026 | $272.66 | $278.40 (2.11%) | $284.68 | $272.66 | 1.41 M | $37.10 B |
| 07/24/2026 | $268.74 | $271.77 (1.13%) | $275.58 | $265.64 | 1.15 M | $36.12 B |
| 07/23/2026 | $265.95 | $268.74 (1.05%) | $269.22 | $262.21 | 1.14 M | $35.71 B |
| 07/22/2026 | $270.84 | $266.99 (-1.42%) | $273.71 | $264.21 | 1.10 M | $35.48 B |
| 07/21/2026 | $272.40 | $271.37 (-0.38%) | $278.30 | $270.01 | 982.81 K | $36.06 B |
| 07/20/2026 | $267.55 | $272.67 (1.91%) | $275.25 | $266.27 | 1.36 M | $36.24 B |
| 07/17/2026 | $280.99 | $267.47 (-4.81%) | $284.36 | $266.43 | 1.38 M | $35.54 B |
| 07/16/2026 | $279.65 | $283.15 (1.25%) | $286.60 | $273.78 | 1.44 M | $37.63 B |
| 07/15/2026 | $281.70 | $279.14 (-0.91%) | $284.80 | $275.84 | 1.28 M | $37.10 B |
| 07/14/2026 | $283.55 | $281.26 (-0.81%) | $286.76 | $279.43 | 1.09 M | $37.38 B |
| 07/13/2026 | $298.01 | $288.06 (-3.34%) | $298.76 | $279.41 | 2.68 M | $38.28 B |
| 07/10/2026 | $314.71 | $298.76 (-5.07%) | $322.49 | $293.78 | 2.54 M | $39.70 B |
| 07/09/2026 | $378.49 | $312.79 (-17.36%) | $380.00 | $311.10 | 5.87 M | $41.57 B |
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