ALKERMES PLC

Ticker: ALKS CUSIP: G01767105 Class: Common Stock

Tower Research Capital LLC (TRC)'s Holding History (CIK: 0001533421)

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

Q4 2025
Shares 2,584 Value ($000) $72 Avg Close $29.95 Range $27.49 - $36.32
Q3 2025
Shares 4,464 Value ($000) $134 Avg Close $28.20 Range $25.17 - $31.69
Q2 2025
Shares 13,710 Value ($000) $392 Avg Close $29.76 Range $25.56 - $33.48
Q1 2025
Shares 7,273 Value ($000) $240 Avg Close $32.61 Range $27.70 - $36.45
Q4 2024
Shares 20,674 Value ($000) $595 Avg Close $28.75 Range $25.67 - $32.25
Q3 2024
Shares 4,190 Value ($000) $117 Avg Close $26.66 Range $22.90 - $29.02
Q2 2024
Shares 24,444 Value ($000) $589 Avg Close $24.53 Range $23.14 - $27.56
Q1 2024
Shares 375 Value ($000) $10 Avg Close $28.40 Range $26.18 - $32.88
Q4 2023
Shares 40,610 Value ($000) $1,127 Avg Close $25.98 Range $22.01 - $29.02
Q3 2023
Shares 2,649 Value ($000) $74 Avg Close $29.32 Range $25.68 - $32.57
Q2 2023
Shares 7,472 Value ($000) $234 Avg Close $30.28 Range $27.68 - $33.71
Q1 2023
Shares 5,097 Value ($000) $0 Avg Close $27.24 Range $25.00 - $29.49
Q4 2022
Shares 2,048 Value ($000) $0 Avg Close $23.93 Range $21.75 - $26.34
Q3 2022
Shares 19,676 Value ($000) $440 Avg Close $26.01 Range $21.81 - $32.23
Q2 2022
Shares 12,646 Value ($000) $377 Avg Close $28.72 Range $26.14 - $32.79
Q1 2022
Shares 1,299 Value ($000) $34 Avg Close $24.77 Range $22.72 - $28.35
Q4 2021
Shares 16,256 Value ($000) $378 Avg Close $26.29 Range $21.24 - $33.00
Q3 2021
Shares 6,309 Value ($000) $194 Avg Close $28.25 Range $23.11 - $32.53
Q2 2021
Shares 6,696 Value ($000) $164 Avg Close $22.25 Range $18.43 - $25.47
Q1 2021
Shares 1,384 Value ($000) $26 Avg Close $20.47 Range $18.02 - $23.92
Q4 2020
Shares 21,520 Value ($000) $429 Avg Close $18.28 Range $15.35 - $22.22
Q3 2020
Shares 6,389 Value ($000) $106 Avg Close $18.17 Range $15.68 - $20.85
Q2 2020
Shares 4,457 Value ($000) $87 Avg Close $16.23 Range $13.03 - $19.86
Q4 2019
Shares 154 Value ($000) $3 Avg Close $19.88 Range $17.11 - $21.88
Q3 2019
Shares 591 Value ($000) $12 Avg Close $21.76 Range $18.69 - $25.35
Q2 2019
Shares 490 Value ($000) $11 Avg Close $27.41 Range $21.29 - $37.75
Q1 2019
Shares 83 Value ($000) $3 Avg Close $33.02 Range $28.19 - $36.56
Q3 2018
Shares 2,908 Value ($000) $123 Avg Close $43.40 Range $38.23 - $46.98
Q2 2018
Shares 1,300 Value ($000) $54 Avg Close $45.54 Range $39.54 - $51.70
Q1 2018
Shares 9,860 Value ($000) $571 Avg Close $58.50 Range $51.68 - $71.22
Q3 2017
Shares 64 Value ($000) $3 Avg Close $53.48 Range $48.90 - $61.31
Q2 2017
Shares 284 Value ($000) $16 Avg Close $58.09 Range $53.64 - $63.40
Q4 2016
Shares 85 Value ($000) $5 Avg Close $53.46 Range $41.93 - $60.74
Q3 2016
Shares 84 Value ($000) $4 Avg Close $47.55 Range $43.26 - $52.27
Q1 2016
Shares 733 Value ($000) $25 Avg Close $39.49 Range $27.14 - $78.88
Q3 2015
Shares 44 Value ($000) $3 Avg Close $66.02 Range $53.01 - $73.33
Q2 2015
Shares 2,896 Value ($000) $186 Avg Close $61.20 Range $54.54 - $68.23
Q1 2015
Shares 3,327 Value ($000) $203 Avg Close $68.32 Range $57.31 - $75.17
Q4 2014
Shares 3,390 Value ($000) $199 Avg Close $50.94 Range $38.49 - $59.69
Q2 2014
Shares 441 Value ($000) $22 Avg Close $46.12 Range $40.30 - $51.81
Q1 2014
Shares 549 Value ($000) $24 Avg Close $47.58 Range $39.68 - $54.25
Q4 2013
Shares 1,837 Value ($000) $75 Avg Close $36.93 Range $29.36 - $41.47
Q3 2013
Shares 100 Value ($000) $3 Avg Close $32.55 Range $27.72 - $35.72