ALNYLAM PHARMACEUTICALS INC

Ticker: ALNY CUSIP: 02043Q107 Class: EQTY

Weiss Asset Management LP's Holding History (CIK: 0001357550)

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

Q3 2025
Shares 795 Value ($000) $363 Avg Close $407.20 Range $309.57 - $484.21
Q2 2024
Shares 23,800 Value ($000) $5,783 Avg Close $157.87 Range $141.98 - $252.87
Q1 2024
Shares 24,676 Value ($000) $3,688 Avg Close $166.82 Range $143.52 - $199.38
Q4 2023
Shares 1,192 Value ($000) $228 Avg Close $170.34 Range $148.10 - $198.00
Q3 2022
Shares 24,450 Value ($000) $4,894 Avg Close $190.74 Range $135.46 - $236.80
Q3 2018
Shares 2,460 Value ($000) $215 Avg Close $100.59 Range $86.95 - $124.22
Q2 2018
Shares 2,460 Value ($000) $242 Avg Close $99.19 Range $87.35 - $118.71
Q1 2018
Shares 2,460 Value ($000) $293 Avg Close $128.92 Range $108.13 - $153.99
Q4 2017
Shares 2,460 Value ($000) $313 Avg Close $125.65 Range $111.25 - $147.63