ALNYLAM PHARMACEUTICALS INC

Ticker: ALNY CUSIP: 02043Q107 Class: EQTY

SEI INVESTMENTS CO's Holding History (CIK: 0000350894)

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

Q4 2025
Shares 111,112 Value ($000) $44,187 Avg Close $442.56 Range $387.03 - $495.55
Q3 2025
Shares 94,481 Value ($000) $43,084 Avg Close $407.20 Range $309.57 - $484.21
Q2 2025
Shares 308,619 Value ($000) $100,638 Avg Close $276.71 Range $205.87 - $327.21
Q1 2025
Shares 277,369 Value ($000) $74,895 Avg Close $257.00 Range $230.79 - $300.90
Q4 2024
Shares 266,000 Value ($000) $62,595 Avg Close $262.99 Range $229.86 - $304.39
Q3 2024
Shares 237,907 Value ($000) $65,436 Avg Close $260.36 Range $231.01 - $287.55
Q2 2024
Shares 39,178 Value ($000) $9,522 Avg Close $157.87 Range $141.98 - $252.87
Q1 2024
Shares 29,603 Value ($000) $4,427 Avg Close $166.82 Range $143.52 - $199.38
Q4 2023
Shares 26,249 Value ($000) $5,023 Avg Close $170.34 Range $148.10 - $198.00
Q3 2023
Shares 25,302 Value ($000) $4,481 Avg Close $191.12 Range $168.65 - $218.88
Q2 2023
Shares 29,763 Value ($000) $5,654 Avg Close $198.26 Range $183.00 - $212.47
Q1 2023
Shares 27,290 Value ($000) $5,465 Avg Close $210.20 Range $179.19 - $242.39
Q4 2022
Shares 27,632 Value ($000) $6,567 Avg Close $213.29 Range $181.65 - $242.97
Q3 2022
Shares 28,369 Value ($000) $5,677 Avg Close $190.74 Range $135.46 - $236.80
Q2 2022
Shares 26,275 Value ($000) $3,766 Avg Close $141.87 Range $117.58 - $180.35
Q1 2022
Shares 28,442 Value ($000) $4,590 Avg Close $152.35 Range $125.00 - $174.66
Q4 2021
Shares 25,441 Value ($000) $4,418 Avg Close $185.86 Range $154.82 - $212.00
Q3 2021
Shares 24,062 Value ($000) $4,605 Avg Close $187.58 Range $166.16 - $209.73
Q2 2021
Shares 23,833 Value ($000) $4,118 Avg Close $146.46 Range $125.08 - $177.53
Q1 2021
Shares 19,215 Value ($000) $2,724 Avg Close $150.49 Range $124.00 - $178.41
Q4 2020
Shares 21,715 Value ($000) $2,858 Avg Close $133.53 Range $119.29 - $148.76
Q3 2020
Shares 23,017 Value ($000) $3,363 Avg Close $142.10 Range $119.67 - $167.33
Q2 2020
Shares 30,575 Value ($000) $4,526 Avg Close $134.81 Range $98.01 - $158.37
Q1 2020
Shares 29,509 Value ($000) $3,207 Avg Close $115.43 Range $84.97 - $134.51
Q4 2019
Shares 30,187 Value ($000) $3,468 Avg Close $99.70 Range $73.32 - $125.72
Q3 2019
Shares 76,803 Value ($000) $6,127 Avg Close $79.11 Range $69.11 - $88.00
Q2 2019
Shares 75,869 Value ($000) $5,484 Avg Close $76.72 Range $65.81 - $96.08
Q1 2019
Shares 55,586 Value ($000) $5,182 Avg Close $83.64 Range $70.29 - $93.95
Q4 2018
Shares 42,394 Value ($000) $3,689 Avg Close $76.92 Range $60.27 - $90.00
Q3 2018
Shares 42,100 Value ($000) $3,680 Avg Close $100.59 Range $86.95 - $124.22
Q2 2018
Shares 62,428 Value ($000) $6,149 Avg Close $99.19 Range $87.35 - $118.71
Q1 2018
Shares 32,422 Value ($000) $3,861 Avg Close $128.92 Range $108.13 - $153.99
Q4 2017
Shares 49,176 Value ($000) $6,247 Avg Close $125.65 Range $111.25 - $147.63
Q3 2017
Shares 50,156 Value ($000) $5,893 Avg Close $85.36 Range $70.76 - $119.02
Q2 2017
Shares 50,140 Value ($000) $3,999 Avg Close $63.91 Range $46.90 - $86.92
Q1 2017
Shares 74,085 Value ($000) $3,797 Avg Close $46.22 Range $35.98 - $60.41
Q4 2016
Shares 76,015 Value ($000) $2,846 Avg Close $41.87 Range $31.38 - $71.67
Q3 2016
Shares 78,729 Value ($000) $5,337 Avg Close $70.55 Range $53.56 - $80.11
Q2 2016
Shares 42,654 Value ($000) $2,367 Avg Close $63.00 Range $49.96 - $75.08
Q1 2016
Shares 19,869 Value ($000) $1,247 Avg Close $66.49 Range $51.51 - $98.00
Q4 2015
Shares 19,569 Value ($000) $1,842 Avg Close $92.72 Range $71.14 - $110.75
Q3 2015
Shares 3,296 Value ($000) $265 Avg Close $111.10 Range $76.46 - $137.89
Q2 2015
Shares 8,530 Value ($000) $1,023 Avg Close $119.50 Range $98.63 - $140.00
Q1 2015
Shares 33,010 Value ($000) $3,447 Avg Close $101.34 Range $82.06 - $121.93
Q4 2014
Shares 2,641 Value ($000) $256 Avg Close $92.65 Range $72.80 - $111.49