ALKERMES PLC

Ticker: ALKS CUSIP: G01767105 Class: Common Stock

RTW INVESTMENTS, LP's Holding History (CIK: 0001493215)

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

Q4 2025
Shares 1,672,356 Value ($000) $46,793 Avg Close $29.95 Range $27.49 - $36.32
Q3 2025
Shares 1,672,356 Value ($000) $50,171 Avg Close $28.20 Range $25.17 - $31.69
Q2 2025
Shares 4,682,289 Value ($000) $133,960 Avg Close $29.76 Range $25.56 - $33.48
Q1 2025
Shares 6,884,698 Value ($000) $227,333 Avg Close $32.61 Range $27.70 - $36.45
Q4 2024
Shares 7,557,835 Value ($000) $217,363 Avg Close $28.75 Range $25.67 - $32.25
Q3 2024
Shares 6,654,033 Value ($000) $186,246 Avg Close $26.66 Range $22.90 - $29.02
Q2 2024
Shares 7,056,988 Value ($000) $170,073 Avg Close $24.53 Range $23.14 - $27.56
Q1 2024
Shares 6,054,280 Value ($000) $163,889 Avg Close $28.40 Range $26.18 - $32.88
Q4 2023
Shares 3,901,523 Value ($000) $108,228 Avg Close $25.98 Range $22.01 - $29.02
Q3 2023
Shares 889,073 Value ($000) $24,903 Avg Close $29.32 Range $25.68 - $32.57