ALNYLAM PHARMACEUTICALS INC

Ticker: ALNY CUSIP: 02043Q107 Class: EQTY

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q4 2025
Shares 69,778 Value ($000) $27,747 Avg Close $442.56 Range $387.03 - $495.55
Q3 2025
Shares 61,379 Value ($000) $27,989 Avg Close $407.20 Range $309.57 - $484.21
Q2 2025
Shares 79,714 Value ($000) $25,994 Avg Close $276.71 Range $205.87 - $327.21
Q1 2025
Shares 57,128 Value ($000) $15,426 Avg Close $257.00 Range $230.79 - $300.90
Q4 2024
Shares 33,480 Value ($000) $7,878 Avg Close $262.99 Range $229.86 - $304.39
Q3 2024
Shares 32,350 Value ($000) $8,897 Avg Close $260.36 Range $231.01 - $287.55
Q2 2024
Shares 32,489 Value ($000) $7,895 Avg Close $157.87 Range $141.98 - $252.87
Q4 2023
Shares 38,988 Value ($000) $7,463 Avg Close $170.34 Range $148.10 - $198.00
Q3 2023
Shares 39,029 Value ($000) $6,912 Avg Close $191.12 Range $168.65 - $218.88
Q2 2023
Shares 39,038 Value ($000) $7,415 Avg Close $198.26 Range $183.00 - $212.47
Q1 2023
Shares 36,260 Value ($000) $7,264 Avg Close $210.20 Range $179.19 - $242.39
Q4 2022
Shares 69,251 Value ($000) $16,458 Avg Close $213.29 Range $181.65 - $242.97
Q3 2022
Shares 68,082 Value ($000) $13,627 Avg Close $190.74 Range $135.46 - $236.80
Q2 2022
Shares 56,270 Value ($000) $8,207 Avg Close $141.87 Range $117.58 - $180.35
Q1 2022
Shares 54,449 Value ($000) $8,891 Avg Close $152.35 Range $125.00 - $174.66
Q4 2021
Shares 63,011 Value ($000) $10,685 Avg Close $185.86 Range $154.82 - $212.00
Q3 2021
Shares 44,502 Value ($000) $8,402 Avg Close $187.58 Range $166.16 - $209.73
Q2 2021
Shares 2,779 Value ($000) $471 Avg Close $146.46 Range $125.08 - $177.53
Q1 2021
Shares 2,808 Value ($000) $396 Avg Close $150.49 Range $124.00 - $178.41
Q4 2020
Shares 3,621 Value ($000) $471 Avg Close $133.53 Range $119.29 - $148.76
Q3 2020
Shares 3,590 Value ($000) $523 Avg Close $142.10 Range $119.67 - $167.33
Q2 2020
Shares 3,152 Value ($000) $467 Avg Close $134.81 Range $98.01 - $158.37
Q1 2020
Shares 2,980 Value ($000) $324 Avg Close $115.43 Range $84.97 - $134.51
Q4 2019
Shares 2,281 Value ($000) $263 Avg Close $99.70 Range $73.32 - $125.72
Q3 2018
Shares 4,843 Value ($000) $424 Avg Close $100.59 Range $86.95 - $124.22
Q2 2018
Shares 4,748 Value ($000) $468 Avg Close $99.19 Range $87.35 - $118.71
Q1 2018
Shares 5,348 Value ($000) $637 Avg Close $128.92 Range $108.13 - $153.99
Q4 2017
Shares 5,373 Value ($000) $683 Avg Close $125.65 Range $111.25 - $147.63
Q3 2017
Shares 11,809 Value ($000) $1,387 Avg Close $85.36 Range $70.76 - $119.02
Q2 2017
Shares 9,883 Value ($000) $788 Avg Close $63.91 Range $46.90 - $86.92
Q3 2016
Shares 8,102 Value ($000) $549 Avg Close $70.55 Range $53.56 - $80.11
Q2 2016
Shares 7,991 Value ($000) $443 Avg Close $63.00 Range $49.96 - $75.08
Q4 2015
Shares 8,993 Value ($000) $847 Avg Close $92.72 Range $71.14 - $110.75
Q3 2015
Shares 3,065 Value ($000) $246 Avg Close $111.10 Range $76.46 - $137.89
Q2 2015
Shares 27,148 Value ($000) $3,254 Avg Close $119.50 Range $98.63 - $140.00
Q1 2015
Shares 29,126 Value ($000) $3,041 Avg Close $101.34 Range $82.06 - $121.93
Q4 2014
Shares 51,766 Value ($000) $5,021 Avg Close $92.65 Range $72.80 - $111.49
Q3 2014
Shares 92,320 Value ($000) $7,210 Avg Close $64.51 Range $51.93 - $79.88
Q2 2014
Shares 139,126 Value ($000) $8,789 Avg Close $59.44 Range $47.03 - $71.40
Q1 2014
Shares 209,341 Value ($000) $14,055 Avg Close $77.42 Range $60.24 - $112.57
Q4 2013
Shares 126,426 Value ($000) $8,133 Avg Close $59.65 Range $48.16 - $67.97
Q3 2013
Shares 257,260 Value ($000) $16,467 Avg Close $49.85 Range $31.75 - $65.83
Q2 2013
Shares 328,131 Value ($000) $10,175 Avg Close $26.61 Range $21.60 - $31.79