ALNYLAM PHARMACEUTICALS INC

Ticker: ALNY CUSIP: 02043Q107 Class: EQTY

Tower Research Capital LLC (TRC)'s Holding History (CIK: 0001533421)

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

Q4 2025
Shares 5,841 Value ($000) $2,323 Avg Close $442.56 Range $387.03 - $495.55
Q3 2025
Shares 1,537 Value ($000) $701 Avg Close $407.20 Range $309.57 - $484.21
Q2 2025
Shares 64 Value ($000) $21 Avg Close $276.71 Range $205.87 - $327.21
Q1 2025
Shares 1,383 Value ($000) $367 Avg Close $257.00 Range $230.79 - $300.90
Q4 2024
Shares 5,381 Value ($000) $1,266 Avg Close $262.99 Range $229.86 - $304.39
Q3 2024
Shares 541 Value ($000) $149 Avg Close $260.36 Range $231.01 - $287.55
Q2 2024
Shares 973 Value ($000) $236 Avg Close $157.87 Range $141.98 - $252.87
Q1 2024
Shares 1,735 Value ($000) $259 Avg Close $166.82 Range $143.52 - $199.38
Q4 2023
Shares 6,672 Value ($000) $1,277 Avg Close $170.34 Range $148.10 - $198.00
Q3 2023
Shares 5,090 Value ($000) $901 Avg Close $191.12 Range $168.65 - $218.88
Q2 2023
Shares 9,571 Value ($000) $1,818 Avg Close $198.26 Range $183.00 - $212.47
Q1 2023
Shares 676 Value ($000) $0 Avg Close $210.20 Range $179.19 - $242.39
Q4 2022
Shares 1,296 Value ($000) $0 Avg Close $213.29 Range $181.65 - $242.97
Q3 2022
Shares 2,869 Value ($000) $575 Avg Close $190.74 Range $135.46 - $236.80
Q2 2022
Shares 13,670 Value ($000) $1,993 Avg Close $141.87 Range $117.58 - $180.35
Q1 2022
Shares 14,135 Value ($000) $2,308 Avg Close $152.35 Range $125.00 - $174.66
Q4 2021
Shares 6,731 Value ($000) $1,142 Avg Close $185.86 Range $154.82 - $212.00
Q3 2021
Shares 896 Value ($000) $169 Avg Close $187.58 Range $166.16 - $209.73
Q2 2021
Shares 2,078 Value ($000) $352 Avg Close $146.46 Range $125.08 - $177.53
Q1 2021
Shares 1,285 Value ($000) $181 Avg Close $150.49 Range $124.00 - $178.41
Q4 2020
Shares 8,202 Value ($000) $1,066 Avg Close $133.53 Range $119.29 - $148.76
Q3 2020
Shares 4,328 Value ($000) $631 Avg Close $142.10 Range $119.67 - $167.33
Q2 2020
Shares 1,437 Value ($000) $213 Avg Close $134.81 Range $98.01 - $158.37
Q1 2020
Shares 25 Value ($000) $3 Avg Close $115.43 Range $84.97 - $134.51
Q4 2019
Shares 1,570 Value ($000) $181 Avg Close $99.70 Range $73.32 - $125.72
Q2 2019
Shares 828 Value ($000) $60 Avg Close $76.72 Range $65.81 - $96.08
Q1 2019
Shares 152 Value ($000) $14 Avg Close $83.64 Range $70.29 - $93.95
Q3 2018
Shares 1,294 Value ($000) $113 Avg Close $100.59 Range $86.95 - $124.22
Q2 2018
Shares 149 Value ($000) $15 Avg Close $99.19 Range $87.35 - $118.71
Q1 2018
Shares 5,569 Value ($000) $663 Avg Close $128.92 Range $108.13 - $153.99
Q4 2016
Shares 1,637 Value ($000) $61 Avg Close $41.87 Range $31.38 - $71.67
Q3 2016
Shares 842 Value ($000) $57 Avg Close $70.55 Range $53.56 - $80.11
Q1 2016
Shares 40 Value ($000) $3 Avg Close $66.49 Range $51.51 - $98.00
Q4 2015
Shares 302 Value ($000) $28 Avg Close $92.72 Range $71.14 - $110.75
Q2 2015
Shares 389 Value ($000) $47 Avg Close $119.50 Range $98.63 - $140.00
Q1 2015
Shares 227 Value ($000) $24 Avg Close $101.34 Range $82.06 - $121.93
Q4 2014
Shares 467 Value ($000) $45 Avg Close $92.65 Range $72.80 - $111.49
Q3 2014
Shares 483 Value ($000) $38 Avg Close $64.51 Range $51.93 - $79.88
Q2 2014
Shares 1,246 Value ($000) $79 Avg Close $59.44 Range $47.03 - $71.40
Q1 2014
Shares 2,444 Value ($000) $165 Avg Close $77.42 Range $60.24 - $112.57
Q4 2013
Shares 490 Value ($000) $32 Avg Close $59.65 Range $48.16 - $67.97
Q3 2013
Shares 5,308 Value ($000) $340 Avg Close $49.85 Range $31.75 - $65.83
Q2 2013
Shares 729 Value ($000) $23 Avg Close $26.61 Range $21.60 - $31.79