ALNYLAM PHARMACEUTICALS INC

Ticker: ALNY CUSIP: 02043Q107 Class: EQTY

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q4 2025
Shares 66,065 Value ($000) $26,271 Avg Close $442.56 Range $387.03 - $495.55
Q3 2025
Shares 68,529 Value ($000) $31,249 Avg Close $407.20 Range $309.57 - $484.21
Q2 2025
Shares 78,106 Value ($000) $25,470 Avg Close $276.71 Range $205.87 - $327.21
Q1 2025
Shares 73,155 Value ($000) $19,753 Avg Close $257.00 Range $230.79 - $300.90
Q4 2024
Shares 78,375 Value ($000) $18,442 Avg Close $262.99 Range $229.86 - $304.39
Q3 2024
Shares 79,094 Value ($000) $21,753 Avg Close $260.36 Range $231.01 - $287.55
Q2 2024
Shares 77,936 Value ($000) $18,938 Avg Close $157.87 Range $141.98 - $252.87
Q1 2024
Shares 68,714 Value ($000) $10,269 Avg Close $166.82 Range $143.52 - $199.38
Q4 2023
Shares 200,460 Value ($000) $38,370 Avg Close $170.34 Range $148.10 - $198.00
Q3 2023
Shares 201,905 Value ($000) $35,757 Avg Close $191.12 Range $168.65 - $218.88
Q2 2023
Shares 221,204 Value ($000) $42,015 Avg Close $198.26 Range $183.00 - $212.47
Q1 2023
Shares 182,807 Value ($000) $36,620 Avg Close $210.20 Range $179.19 - $242.39
Q4 2022
Shares 85,434 Value ($000) $20,303 Avg Close $213.29 Range $181.65 - $242.97
Q3 2022
Shares 90,369 Value ($000) $18,088 Avg Close $190.74 Range $135.46 - $236.80
Q2 2022
Shares 241,577 Value ($000) $35,234 Avg Close $141.87 Range $117.58 - $180.35
Q1 2022
Shares 117,519 Value ($000) $19,190 Avg Close $152.35 Range $125.00 - $174.66
Q4 2021
Shares 93,201 Value ($000) $15,805 Avg Close $185.86 Range $154.82 - $212.00
Q3 2021
Shares 99,390 Value ($000) $18,766 Avg Close $187.58 Range $166.16 - $209.73
Q2 2021
Shares 115,132 Value ($000) $19,517 Avg Close $146.46 Range $125.08 - $177.53
Q1 2021
Shares 121,857 Value ($000) $17,205 Avg Close $150.49 Range $124.00 - $178.41
Q4 2020
Shares 183,809 Value ($000) $23,890 Avg Close $133.53 Range $119.29 - $148.76
Q3 2020
Shares 188,504 Value ($000) $27,446 Avg Close $142.10 Range $119.67 - $167.33
Q2 2020
Shares 141,504 Value ($000) $20,958 Avg Close $134.81 Range $98.01 - $158.37
Q1 2020
Shares 135,694 Value ($000) $14,770 Avg Close $115.43 Range $84.97 - $134.51
Q4 2019
Shares 139,363 Value ($000) $16,050 Avg Close $99.70 Range $73.32 - $125.72
Q3 2019
Shares 11,692 Value ($000) $940 Avg Close $79.11 Range $69.11 - $88.00
Q1 2019
Shares 9,031 Value ($000) $844 Avg Close $83.64 Range $70.29 - $93.95
Q4 2018
Shares 35,237 Value ($000) $2,569 Avg Close $76.92 Range $60.27 - $90.00
Q3 2018
Shares 41,177 Value ($000) $3,604 Avg Close $100.59 Range $86.95 - $124.22
Q2 2018
Shares 79,532 Value ($000) $7,833 Avg Close $99.19 Range $87.35 - $118.71
Q1 2018
Shares 78,116 Value ($000) $9,304 Avg Close $128.92 Range $108.13 - $153.99
Q4 2017
Shares 86,131 Value ($000) $10,943 Avg Close $125.65 Range $111.25 - $147.63
Q3 2017
Shares 16,294 Value ($000) $1,914 Avg Close $85.36 Range $70.76 - $119.02
Q2 2017
Shares 15,012 Value ($000) $1,197 Avg Close $63.91 Range $46.90 - $86.92
Q1 2017
Shares 14,912 Value ($000) $764 Avg Close $46.22 Range $35.98 - $60.41
Q4 2016
Shares 40,866 Value ($000) $1,530 Avg Close $41.87 Range $31.38 - $71.67
Q3 2016
Shares 47,890 Value ($000) $3,246 Avg Close $70.55 Range $53.56 - $80.11
Q2 2016
Shares 49,790 Value ($000) $2,763 Avg Close $63.00 Range $49.96 - $75.08
Q1 2016
Shares 52,790 Value ($000) $3,314 Avg Close $66.49 Range $51.51 - $98.00
Q4 2015
Shares 20,020 Value ($000) $1,885 Avg Close $92.72 Range $71.14 - $110.75
Q3 2015
Shares 55,430 Value ($000) $4,454 Avg Close $111.10 Range $76.46 - $137.89
Q2 2015
Shares 57,000 Value ($000) $6,833 Avg Close $119.50 Range $98.63 - $140.00
Q1 2015
Shares 54,710 Value ($000) $5,713 Avg Close $101.34 Range $82.06 - $121.93
Q4 2014
Shares 51,830 Value ($000) $5,028 Avg Close $92.65 Range $72.80 - $111.49
Q3 2014
Shares 48,870 Value ($000) $3,817 Avg Close $64.51 Range $51.93 - $79.88
Q2 2014
Shares 48,540 Value ($000) $3,066 Avg Close $59.44 Range $47.03 - $71.40