ALNYLAM PHARMACEUTICALS INC

Ticker: ALNY CUSIP: 02043Q107 Class: EQTY

RTW INVESTMENTS, LP's Holding History (CIK: 0001493215)

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

Q4 2023
Shares 1,640,559 Value ($000) $314,019 Avg Close $170.34 Range $148.10 - $198.00
Q3 2023
Shares 1,683,362 Value ($000) $298,123 Avg Close $191.12 Range $168.65 - $218.88
Q2 2023
Shares 1,683,362 Value ($000) $319,738 Avg Close $198.26 Range $183.00 - $212.47
Q1 2023
Shares 1,683,362 Value ($000) $337,211 Avg Close $210.20 Range $179.19 - $242.39
Q4 2022
Shares 1,683,362 Value ($000) $400,051 Avg Close $213.29 Range $181.65 - $242.97
Q3 2022
Shares 1,683,362 Value ($000) $336,942 Avg Close $190.74 Range $135.46 - $236.80
Q2 2022
Shares 1,683,362 Value ($000) $245,518 Avg Close $141.87 Range $117.58 - $180.35
Q1 2022
Shares 1,683,362 Value ($000) $274,876 Avg Close $152.35 Range $125.00 - $174.66
Q4 2021
Shares 1,975,879 Value ($000) $335,070 Avg Close $185.86 Range $154.82 - $212.00
Q3 2021
Shares 1,683,362 Value ($000) $317,836 Avg Close $187.58 Range $166.16 - $209.73
Q2 2021
Shares 1,683,362 Value ($000) $285,364 Avg Close $146.46 Range $125.08 - $177.53
Q1 2021
Shares 1,683,362 Value ($000) $237,674 Avg Close $150.49 Range $124.00 - $178.41
Q4 2020
Shares 1,681,645 Value ($000) $218,563 Avg Close $133.53 Range $119.29 - $148.76
Q3 2020
Shares 1,681,645 Value ($000) $244,848 Avg Close $142.10 Range $119.67 - $167.33
Q2 2020
Shares 1,681,645 Value ($000) $249,068 Avg Close $134.81 Range $98.01 - $158.37
Q1 2020
Shares 1,681,645 Value ($000) $183,047 Avg Close $115.43 Range $84.97 - $134.51
Q4 2019
Shares 1,637,864 Value ($000) $188,633 Avg Close $99.70 Range $73.32 - $125.72
Q3 2019
Shares 1,767,628 Value ($000) $142,153 Avg Close $79.11 Range $69.11 - $88.00
Q2 2019
Shares 2,198,094 Value ($000) $159,494 Avg Close $76.72 Range $65.81 - $96.08
Q1 2019
Shares 835,873 Value ($000) $78,112 Avg Close $83.64 Range $70.29 - $93.95
Q4 2018
Shares 439,498 Value ($000) $32,044 Avg Close $76.92 Range $60.27 - $90.00
Q3 2018
Shares 389,072 Value ($000) $34,052 Avg Close $100.59 Range $86.95 - $124.22
Q2 2018
Shares 352,200 Value ($000) $34,688 Avg Close $99.19 Range $87.35 - $118.71
Q1 2018
Shares 246,229 Value ($000) $29,326 Avg Close $128.92 Range $108.13 - $153.99
Q4 2017
Shares 358,774 Value ($000) $45,582 Avg Close $125.65 Range $111.25 - $147.63
Q3 2017
Shares 623,338 Value ($000) $73,236 Avg Close $85.36 Range $70.76 - $119.02
Q2 2017
Shares 1,040,607 Value ($000) $82,999 Avg Close $63.91 Range $46.90 - $86.92
Q1 2017
Shares 1,092,516 Value ($000) $55,991 Avg Close $46.22 Range $35.98 - $60.41
Q4 2016
Shares 789,208 Value ($000) $29,548 Avg Close $41.87 Range $31.38 - $71.67
Q3 2016
Shares 948,286 Value ($000) $64,275 Avg Close $70.55 Range $53.56 - $80.11
Q2 2016
Shares 832,549 Value ($000) $46,198 Avg Close $63.00 Range $49.96 - $75.08
Q1 2016
Shares 866,379 Value ($000) $54,383 Avg Close $66.49 Range $51.51 - $98.00
Q4 2015
Shares 573,361 Value ($000) $53,976 Avg Close $92.72 Range $71.14 - $110.75
Q3 2015
Shares 533,660 Value ($000) $42,885 Avg Close $111.10 Range $76.46 - $137.89
Q2 2015
Shares 411,016 Value ($000) $49,268 Avg Close $119.50 Range $98.63 - $140.00
Q1 2015
Shares 355,395 Value ($000) $37,110 Avg Close $101.34 Range $82.06 - $121.93
Q4 2014
Shares 340,395 Value ($000) $33,018 Avg Close $92.65 Range $72.80 - $111.49