ALKERMES PLC

Ticker: ALKS CUSIP: G01767105 Class: Common Stock

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q4 2025

Shares 215,854 Value ($000) $6,040 Avg Close $29.95 Range $27.49 - $36.32

Q3 2025

Shares 238,539 Value ($000) $7,156 Avg Close $28.20 Range $25.17 - $31.69

Q2 2025

Shares 202,180 Value ($000) $5,784 Avg Close $29.76 Range $25.56 - $33.48

Q1 2025

Shares 228,596 Value ($000) $7,548 Avg Close $32.61 Range $27.70 - $36.45

Q4 2024

Shares 391,166 Value ($000) $11,250 Avg Close $28.75 Range $25.67 - $32.25

Q3 2024

Shares 709,131 Value ($000) $19,849 Avg Close $26.66 Range $22.90 - $29.02

Q2 2024

Shares 541,345 Value ($000) $13,046 Avg Close $24.53 Range $23.14 - $27.56

Q1 2024

Shares 469,503 Value ($000) $12,709 Avg Close $28.40 Range $26.18 - $32.88

Q4 2023

Shares 262,694 Value ($000) $7,287 Avg Close $25.98 Range $22.01 - $29.02

Q3 2023

Shares 557,016 Value ($000) $15,602 Avg Close $29.32 Range $25.68 - $32.57

Q2 2023

Shares 776,210 Value ($000) $24,295 Avg Close $30.28 Range $27.68 - $33.71

Q1 2023

Shares 449,985 Value ($000) $12,685 Avg Close $27.24 Range $25.00 - $29.49

Q4 2022

Shares 195,581 Value ($000) $5,111 Avg Close $23.93 Range $21.75 - $26.34

Q3 2022

Shares 195,081 Value ($000) $4,356 Avg Close $26.01 Range $21.81 - $32.23

Q2 2022

Shares 195,081 Value ($000) $5,811 Avg Close $28.72 Range $26.14 - $32.79

Q1 2022

Shares 195,081 Value ($000) $5,133 Avg Close $24.77 Range $22.72 - $28.35

Q4 2021

Shares 232,981 Value ($000) $5,419 Avg Close $26.29 Range $21.24 - $33.00

Q3 2021

Shares 197,181 Value ($000) $6,081 Avg Close $28.25 Range $23.11 - $32.53

Q2 2021

Shares 198,581 Value ($000) $4,869 Avg Close $22.25 Range $18.43 - $25.47

Q1 2021

Shares 73,426 Value ($000) $1,372 Avg Close $20.47 Range $18.02 - $23.92

Q4 2020

Shares 73,026 Value ($000) $1,457 Avg Close $18.28 Range $15.35 - $22.22

Q3 2020

Shares 74,176 Value ($000) $1,229 Avg Close $18.17 Range $15.68 - $20.85

Q2 2020

Shares 84,676 Value ($000) $1,643 Avg Close $16.23 Range $13.03 - $19.86

Q1 2020

Shares 90,276 Value ($000) $1,302 Avg Close $17.85 Range $11.98 - $21.46

Q4 2019

Shares 92,276 Value ($000) $1,882 Avg Close $19.88 Range $17.11 - $21.88

Q3 2019

Shares 84,633 Value ($000) $1,651 Avg Close $21.76 Range $18.69 - $25.35

Q2 2019

Shares 84,631 Value ($000) $1,908 Avg Close $27.41 Range $21.29 - $37.75

Q1 2019

Shares 85,013 Value ($000) $3,102 Avg Close $33.02 Range $28.19 - $36.56

Q4 2018

Shares 86,410 Value ($000) $2,550 Avg Close $36.92 Range $27.54 - $45.16

Q3 2018

Shares 88,206 Value ($000) $3,743 Avg Close $43.40 Range $38.23 - $46.98

Q2 2018

Shares 91,542 Value ($000) $3,768 Avg Close $45.54 Range $39.54 - $51.70

Q1 2018

Shares 96,160 Value ($000) $5,573 Avg Close $58.50 Range $51.68 - $71.22

Q4 2017

Shares 97,530 Value ($000) $5,338 Avg Close $51.03 Range $46.43 - $56.58

Q3 2017

Shares 137,640 Value ($000) $6,998 Avg Close $53.48 Range $48.90 - $61.31

Q2 2017

Shares 98,140 Value ($000) $5,689 Avg Close $58.09 Range $53.64 - $63.40

Q1 2017

Shares 96,865 Value ($000) $5,667 Avg Close $56.71 Range $51.08 - $62.50

Q4 2016

Shares 96,802 Value ($000) $5,380 Avg Close $53.46 Range $41.93 - $60.74

Q3 2016

Shares 99,597 Value ($000) $4,684 Avg Close $47.55 Range $43.26 - $52.27

Q2 2016

Shares 100,731 Value ($000) $4,354 Avg Close $41.26 Range $33.31 - $47.90

Q1 2016

Shares 102,081 Value ($000) $3,490 Avg Close $39.49 Range $27.14 - $78.88

Q4 2015

Shares 130,442 Value ($000) $10,354 Avg Close $70.02 Range $54.36 - $80.71

Q3 2015

Shares 132,294 Value ($000) $7,762 Avg Close $66.02 Range $53.01 - $73.33

Q2 2015

Shares 139,970 Value ($000) $9,006 Avg Close $61.20 Range $54.54 - $68.23

Q1 2015

Shares 137,820 Value ($000) $8,403 Avg Close $68.32 Range $57.31 - $75.17

Q4 2014

Shares 132,360 Value ($000) $7,751 Avg Close $50.94 Range $38.49 - $59.69

Q3 2014

Shares 132,860 Value ($000) $5,696 Avg Close $44.82 Range $41.02 - $52.50

Q2 2014

Shares 136,700 Value ($000) $6,880 Avg Close $46.12 Range $40.30 - $51.81

Q1 2014

Shares 125,551 Value ($000) $5,536 Avg Close $47.58 Range $39.68 - $54.25

Q4 2013

Shares 164,440 Value ($000) $6,686 Avg Close $36.93 Range $29.36 - $41.47

Q3 2013

Shares 174,470 Value ($000) $5,866 Avg Close $32.55 Range $27.72 - $35.72

Q2 2013

Shares 134,965 Value ($000) $3,871 Avg Close $29.15 Range $22.17 - $34.30

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	215,854	$6,040	$29.95	$27.49 - $36.32
Q3 2025	238,539	$7,156	$28.20	$25.17 - $31.69
Q2 2025	202,180	$5,784	$29.76	$25.56 - $33.48
Q1 2025	228,596	$7,548	$32.61	$27.70 - $36.45
Q4 2024	391,166	$11,250	$28.75	$25.67 - $32.25
Q3 2024	709,131	$19,849	$26.66	$22.90 - $29.02
Q2 2024	541,345	$13,046	$24.53	$23.14 - $27.56
Q1 2024	469,503	$12,709	$28.40	$26.18 - $32.88
Q4 2023	262,694	$7,287	$25.98	$22.01 - $29.02
Q3 2023	557,016	$15,602	$29.32	$25.68 - $32.57
Q2 2023	776,210	$24,295	$30.28	$27.68 - $33.71
Q1 2023	449,985	$12,685	$27.24	$25.00 - $29.49
Q4 2022	195,581	$5,111	$23.93	$21.75 - $26.34
Q3 2022	195,081	$4,356	$26.01	$21.81 - $32.23
Q2 2022	195,081	$5,811	$28.72	$26.14 - $32.79
Q1 2022	195,081	$5,133	$24.77	$22.72 - $28.35
Q4 2021	232,981	$5,419	$26.29	$21.24 - $33.00
Q3 2021	197,181	$6,081	$28.25	$23.11 - $32.53
Q2 2021	198,581	$4,869	$22.25	$18.43 - $25.47
Q1 2021	73,426	$1,372	$20.47	$18.02 - $23.92
Q4 2020	73,026	$1,457	$18.28	$15.35 - $22.22
Q3 2020	74,176	$1,229	$18.17	$15.68 - $20.85
Q2 2020	84,676	$1,643	$16.23	$13.03 - $19.86
Q1 2020	90,276	$1,302	$17.85	$11.98 - $21.46
Q4 2019	92,276	$1,882	$19.88	$17.11 - $21.88
Q3 2019	84,633	$1,651	$21.76	$18.69 - $25.35
Q2 2019	84,631	$1,908	$27.41	$21.29 - $37.75
Q1 2019	85,013	$3,102	$33.02	$28.19 - $36.56
Q4 2018	86,410	$2,550	$36.92	$27.54 - $45.16
Q3 2018	88,206	$3,743	$43.40	$38.23 - $46.98
Q2 2018	91,542	$3,768	$45.54	$39.54 - $51.70
Q1 2018	96,160	$5,573	$58.50	$51.68 - $71.22
Q4 2017	97,530	$5,338	$51.03	$46.43 - $56.58
Q3 2017	137,640	$6,998	$53.48	$48.90 - $61.31
Q2 2017	98,140	$5,689	$58.09	$53.64 - $63.40
Q1 2017	96,865	$5,667	$56.71	$51.08 - $62.50
Q4 2016	96,802	$5,380	$53.46	$41.93 - $60.74
Q3 2016	99,597	$4,684	$47.55	$43.26 - $52.27
Q2 2016	100,731	$4,354	$41.26	$33.31 - $47.90
Q1 2016	102,081	$3,490	$39.49	$27.14 - $78.88
Q4 2015	130,442	$10,354	$70.02	$54.36 - $80.71
Q3 2015	132,294	$7,762	$66.02	$53.01 - $73.33
Q2 2015	139,970	$9,006	$61.20	$54.54 - $68.23
Q1 2015	137,820	$8,403	$68.32	$57.31 - $75.17
Q4 2014	132,360	$7,751	$50.94	$38.49 - $59.69
Q3 2014	132,860	$5,696	$44.82	$41.02 - $52.50
Q2 2014	136,700	$6,880	$46.12	$40.30 - $51.81
Q1 2014	125,551	$5,536	$47.58	$39.68 - $54.25
Q4 2013	164,440	$6,686	$36.93	$29.36 - $41.47
Q3 2013	174,470	$5,866	$32.55	$27.72 - $35.72
Q2 2013	134,965	$3,871	$29.15	$22.17 - $34.30