ALKERMES PLC

Ticker: ALKS CUSIP: G01767105 Class: Common Stock

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q3 2025
Shares 14,667 Value ($000) $0 Avg Close $28.20 Range $25.17 - $31.69
Q3 2024
Shares 5,173 Value ($000) $0 Avg Close $26.66 Range $22.90 - $29.02
Q4 2023
Shares 9,004 Value ($000) $0 Avg Close $25.98 Range $22.01 - $29.02
Q3 2023
Shares 23,995 Value ($000) $1 Avg Close $29.32 Range $25.68 - $32.57
Q4 2022
Shares 874 Value ($000) $0 Avg Close $23.93 Range $21.75 - $26.34
Q2 2022
Shares 2,980 Value ($000) $88 Avg Close $28.72 Range $26.14 - $32.79
Q1 2022
Shares 10,449 Value ($000) $274 Avg Close $24.77 Range $22.72 - $28.35
Q3 2021
Shares 28,597 Value ($000) $712 Avg Close $28.25 Range $23.11 - $32.53
Q2 2021
Shares 24,703 Value ($000) $605 Avg Close $22.25 Range $18.43 - $25.47
Q1 2021
Shares 59,074 Value ($000) $0 Avg Close $20.47 Range $18.02 - $23.92
Q4 2020
Shares 10,465 Value ($000) $208 Avg Close $18.28 Range $15.35 - $22.22
Q3 2020
Shares 40,877 Value ($000) $677 Avg Close $18.17 Range $15.68 - $20.85
Q2 2020
Shares 80,741 Value ($000) $1,566 Avg Close $16.23 Range $13.03 - $19.86
Q1 2020
Shares 21,611 Value ($000) $311 Avg Close $17.85 Range $11.98 - $21.46
Q4 2019
Shares 12,002 Value ($000) $244 Avg Close $19.88 Range $17.11 - $21.88
Q3 2019
Shares 8,852 Value ($000) $172 Avg Close $21.76 Range $18.69 - $25.35
Q2 2019
Shares 4,436 Value ($000) $99 Avg Close $27.41 Range $21.29 - $37.75
Q1 2019
Shares 4,030 Value ($000) $147 Avg Close $33.02 Range $28.19 - $36.56
Q4 2018
Shares 12,388 Value ($000) $365 Avg Close $36.92 Range $27.54 - $45.16
Q2 2018
Shares 2,629 Value ($000) $108 Avg Close $45.54 Range $39.54 - $51.70
Q4 2017
Shares 47,300 Value ($000) $2,588 Avg Close $51.03 Range $46.43 - $56.58
Q3 2017
Shares 7,563 Value ($000) $384 Avg Close $53.48 Range $48.90 - $61.31
Q2 2017
Shares 2,460 Value ($000) $142 Avg Close $58.09 Range $53.64 - $63.40
Q1 2017
Shares 7,183 Value ($000) $420 Avg Close $56.71 Range $51.08 - $62.50
Q4 2016
Shares 17,367 Value ($000) $965 Avg Close $53.46 Range $41.93 - $60.74
Q3 2016
Shares 21,033 Value ($000) $989 Avg Close $47.55 Range $43.26 - $52.27
Q2 2016
Shares 2,321 Value ($000) $100 Avg Close $41.26 Range $33.31 - $47.90
Q1 2016
Shares 21,245 Value ($000) $726 Avg Close $39.49 Range $27.14 - $78.88
Q3 2015
Shares 15,314 Value ($000) $898 Avg Close $66.02 Range $53.01 - $73.33
Q1 2015
Shares 3,301 Value ($000) $201 Avg Close $68.32 Range $57.31 - $75.17
Q4 2014
Shares 3,277 Value ($000) $192 Avg Close $50.94 Range $38.49 - $59.69