ALNYLAM PHARMACEUTICALS INC

Ticker: ALNY CUSIP: 02043Q107 Class: EQTY

GATEWAY INVESTMENT ADVISERS LLC's Holding History (CIK: 0001114618)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 5,141 Value ($000) $2,044 Avg Close $442.56 Range $387.03 - $495.55
Q3 2025
Shares 5,141 Value ($000) $2,344 Avg Close $407.20 Range $309.57 - $484.21
Q2 2025
Shares 5,889 Value ($000) $1,920 Avg Close $276.71 Range $205.87 - $327.21
Q1 2025
Shares 6,540 Value ($000) $1,766 Avg Close $257.00 Range $230.79 - $300.90
Q4 2024
Shares 7,383 Value ($000) $1,737 Avg Close $262.99 Range $229.86 - $304.39
Q3 2024
Shares 6,161 Value ($000) $1,694 Avg Close $260.36 Range $231.01 - $287.55
Q2 2024
Shares 6,677 Value ($000) $1,623 Avg Close $157.87 Range $141.98 - $252.87
Q1 2024
Shares 19,037 Value ($000) $2,845 Avg Close $166.82 Range $143.52 - $199.38
Q4 2023
Shares 19,031 Value ($000) $3,643 Avg Close $170.34 Range $148.10 - $198.00
Q3 2023
Shares 13,951 Value ($000) $2,471 Avg Close $191.12 Range $168.65 - $218.88
Q2 2023
Shares 11,558 Value ($000) $2,195 Avg Close $198.26 Range $183.00 - $212.47
Q1 2023
Shares 11,072 Value ($000) $2,218 Avg Close $210.20 Range $179.19 - $242.39
Q4 2022
Shares 11,201 Value ($000) $2,662 Avg Close $213.29 Range $181.65 - $242.97
Q3 2022
Shares 10,941 Value ($000) $2,190 Avg Close $190.74 Range $135.46 - $236.80
Q2 2022
Shares 26,265 Value ($000) $3,831 Avg Close $141.87 Range $117.58 - $180.35
Q1 2022
Shares 26,239 Value ($000) $4,285 Avg Close $152.35 Range $125.00 - $174.66
Q4 2021
Shares 4,568 Value ($000) $775 Avg Close $185.86 Range $154.82 - $212.00
Q3 2021
Shares 4,574 Value ($000) $864 Avg Close $187.58 Range $166.16 - $209.73
Q2 2021
Shares 4,244 Value ($000) $719 Avg Close $146.46 Range $125.08 - $177.53
Q1 2021
Shares 4,244 Value ($000) $599 Avg Close $150.49 Range $124.00 - $178.41
Q4 2020
Shares 4,234 Value ($000) $550 Avg Close $133.53 Range $119.29 - $148.76
Q3 2020
Shares 4,157 Value ($000) $605 Avg Close $142.10 Range $119.67 - $167.33
Q2 2020
Shares 4,219 Value ($000) $625 Avg Close $134.81 Range $98.01 - $158.37
Q1 2020
Shares 4,219 Value ($000) $459 Avg Close $115.43 Range $84.97 - $134.51
Q4 2019
Shares 4,220 Value ($000) $486 Avg Close $99.70 Range $73.32 - $125.72
Q3 2019
Shares 4,317 Value ($000) $347 Avg Close $79.11 Range $69.11 - $88.00
Q2 2019
Shares 4,320 Value ($000) $313 Avg Close $76.72 Range $65.81 - $96.08
Q1 2019
Shares 4,320 Value ($000) $404 Avg Close $83.64 Range $70.29 - $93.95
Q4 2018
Shares 4,531 Value ($000) $330 Avg Close $76.92 Range $60.27 - $90.00
Q3 2018
Shares 3,864 Value ($000) $338 Avg Close $100.59 Range $86.95 - $124.22
Q2 2018
Shares 3,864 Value ($000) $381 Avg Close $99.19 Range $87.35 - $118.71
Q1 2018
Shares 3,901 Value ($000) $465 Avg Close $128.92 Range $108.13 - $153.99
Q4 2017
Shares 3,571 Value ($000) $454 Avg Close $125.65 Range $111.25 - $147.63