ALNYLAM PHARMACEUTICALS INC

Ticker: ALNY CUSIP: 02043Q107 Class: EQTY

DEERFIELD MANAGEMENT COMPANY, L.P.'s Holding History (CIK: 0001009258)

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

Q4 2025
Shares 67,935 Value ($000) $27,014 Avg Close $442.56 Range $387.03 - $495.55
Q3 2025
Shares 67,935 Value ($000) $30,978 Avg Close $407.20 Range $309.57 - $484.21
Q2 2025
Shares 145,000 Value ($000) $47,283 Avg Close $276.71 Range $205.87 - $327.21
Q1 2025
Shares 145,000 Value ($000) $39,153 Avg Close $257.00 Range $230.79 - $300.90
Q4 2024
Shares 145,191 Value ($000) $34,165 Avg Close $262.99 Range $229.86 - $304.39
Q3 2024
Shares 145,000 Value ($000) $39,879 Avg Close $260.36 Range $231.01 - $287.55
Q2 2024
Shares 119,800 Value ($000) $29,111 Avg Close $157.87 Range $141.98 - $252.87
Q4 2023
Shares 1,574 Value ($000) $301 Avg Close $170.34 Range $148.10 - $198.00
Q2 2018
Shares 146,000 Value ($000) $14,380 Avg Close $99.19 Range $87.35 - $118.71
Q1 2018
Shares 146,000 Value ($000) $17,389 Avg Close $128.92 Range $108.13 - $153.99
Q2 2016
Shares 336,000 Value ($000) $18,645 Avg Close $63.00 Range $49.96 - $75.08
Q2 2014
Shares 100,000 Value ($000) $6,317 Avg Close $59.44 Range $47.03 - $71.40
Q1 2014
Shares 302,000 Value ($000) $20,276 Avg Close $77.42 Range $60.24 - $112.57
Q3 2013
Shares 383,158 Value ($000) $24,526 Avg Close $49.85 Range $31.75 - $65.83
Q2 2013
Shares 694,000 Value ($000) $21,514 Avg Close $26.61 Range $21.60 - $31.79