ALKERMES PLC

Ticker: ALKS CUSIP: G01767105 Class: Common Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2025
Shares 9,426 Value ($000) $264 Avg Close $29.95 Range $27.49 - $36.32
Q3 2025
Shares 1,903 Value ($000) $57 Avg Close $28.20 Range $25.17 - $31.69
Q2 2025
Shares 2,317 Value ($000) $66 Avg Close $29.76 Range $25.56 - $33.48
Q1 2025
Shares 5,542 Value ($000) $183 Avg Close $32.61 Range $27.70 - $36.45
Q2 2024
Shares 1,245 Value ($000) $30 Avg Close $24.53 Range $23.14 - $27.56
Q1 2024
Shares 1,958 Value ($000) $53 Avg Close $28.40 Range $26.18 - $32.88
Q3 2023
Shares 11,469 Value ($000) $321 Avg Close $29.32 Range $25.68 - $32.57
Q2 2023
Shares 6,516 Value ($000) $204 Avg Close $30.28 Range $27.68 - $33.71
Q1 2023
Shares 21,016 Value ($000) $592 Avg Close $27.24 Range $25.00 - $29.49
Q4 2022
Shares 16,282 Value ($000) $425 Avg Close $23.93 Range $21.75 - $26.34
Q3 2022
Shares 41,724 Value ($000) $932 Avg Close $26.01 Range $21.81 - $32.23
Q4 2021
Shares 574 Value ($000) $13 Avg Close $26.29 Range $21.24 - $33.00
Q3 2021
Shares 9,686 Value ($000) $299 Avg Close $28.25 Range $23.11 - $32.53
Q1 2021
Shares 34,661 Value ($000) $647 Avg Close $20.47 Range $18.02 - $23.92
Q4 2020
Shares 29,627 Value ($000) $591 Avg Close $18.28 Range $15.35 - $22.22
Q3 2020
Shares 30,913 Value ($000) $512 Avg Close $18.17 Range $15.68 - $20.85
Q2 2020
Shares 28,301 Value ($000) $549 Avg Close $16.23 Range $13.03 - $19.86
Q1 2020
Shares 1,363 Value ($000) $20 Avg Close $17.85 Range $11.98 - $21.46
Q4 2019
Shares 1,376 Value ($000) $28 Avg Close $19.88 Range $17.11 - $21.88
Q3 2019
Shares 462 Value ($000) $9 Avg Close $21.76 Range $18.69 - $25.35
Q2 2019
Shares 147 Value ($000) $3 Avg Close $27.41 Range $21.29 - $37.75
Q4 2018
Shares 2,463 Value ($000) $73 Avg Close $36.92 Range $27.54 - $45.16
Q3 2018
Shares 7,049 Value ($000) $299 Avg Close $43.40 Range $38.23 - $46.98
Q2 2018
Shares 11,785 Value ($000) $485 Avg Close $45.54 Range $39.54 - $51.70
Q1 2018
Shares 13,975 Value ($000) $810 Avg Close $58.50 Range $51.68 - $71.22
Q3 2017
Shares 3,596 Value ($000) $183 Avg Close $53.48 Range $48.90 - $61.31
Q2 2017
Shares 7,128 Value ($000) $413 Avg Close $58.09 Range $53.64 - $63.40
Q1 2017
Shares 11,145 Value ($000) $652 Avg Close $56.71 Range $51.08 - $62.50
Q3 2016
Shares 2,585 Value ($000) $122 Avg Close $47.55 Range $43.26 - $52.27
Q2 2016
Shares 1,532 Value ($000) $66 Avg Close $41.26 Range $33.31 - $47.90
Q1 2016
Shares 871 Value ($000) $30 Avg Close $39.49 Range $27.14 - $78.88
Q1 2014
Shares 2,674 Value ($000) $118 Avg Close $47.58 Range $39.68 - $54.25