ALNYLAM PHARMACEUTICALS INC

Ticker: ALNY CUSIP: 02043Q107 Class: EQTY

Twin Tree Management, LP's Holding History (CIK: 0001535588)

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

Q4 2025
Shares 3,641 Value ($000) $1,448 Avg Close $442.56 Range $387.03 - $495.55
Q3 2025
Shares 16,005 Value ($000) $7,298 Avg Close $407.20 Range $309.57 - $484.21
Q1 2025
Shares 7,074 Value ($000) $1,910 Avg Close $257.00 Range $230.79 - $300.90
Q2 2024
Shares 43,749 Value ($000) $10,631 Avg Close $157.87 Range $141.98 - $252.87
Q1 2024
Shares 15,510 Value ($000) $2,318 Avg Close $166.82 Range $143.52 - $199.38
Q3 2023
Shares 6,289 Value ($000) $1,114 Avg Close $191.12 Range $168.65 - $218.88
Q3 2022
Shares 72,861 Value ($000) $14,584 Avg Close $190.74 Range $135.46 - $236.80
Q2 2022
Shares 9,440 Value ($000) $1,377 Avg Close $141.87 Range $117.58 - $180.35
Q1 2022
Shares 31,784 Value ($000) $5,190 Avg Close $152.35 Range $125.00 - $174.66
Q2 2021
Shares 16,500 Value ($000) $2,797 Avg Close $146.46 Range $125.08 - $177.53
Q3 2020
Shares 134 Value ($000) $20 Avg Close $142.10 Range $119.67 - $167.33
Q2 2020
Shares 17 Value ($000) $3 Avg Close $134.81 Range $98.01 - $158.37
Q4 2018
Shares 5,919 Value ($000) $432 Avg Close $76.92 Range $60.27 - $90.00
Q3 2018
Shares 24,707 Value ($000) $2,162 Avg Close $100.59 Range $86.95 - $124.22
Q2 2018
Shares 8,527 Value ($000) $840 Avg Close $99.19 Range $87.35 - $118.71