Alkermes plc (ALKS) Stock Price History

Historical prices from 1991 to 2026

$43.63-0.55 (-1.24%)close Oct 23

Returns

1M: +3.6%
3M: -17.6%
YTD: +54.4%
1Y: +45.2%
3Y: +21.3%
5Y: +6.5%

ATH$98.50Mar 2000-55.7%

ATL$0.94Dec 1994pre-split

Avg Vol (50D)2.0M/ day

52-Week Range$27.00 — $55.67

LowCurrent: $43.63High

Loading 10-year price history...

ALKS Historical Performance

1 YearTotal Return

+45.2%

Price: +45.2%

3 YearsTotal Return

+78.6%

CAGR: +21.3%

Price: +78.6%

5 YearsTotal Return

+37.2%

CAGR: +6.5%

Price: +37.2%

YTD

+54.4%

ALKS Annual Returns

Year-by-year price performance · 2002–2026

Best+210.0%1996

Worst-75.7%2002

Up years16/25

2002-75.7%

2003+102.7%

2004+0.9%

2005+36.5%

2006-34.8%

2007+19.1%

2008-29.5%

2009-12.1%

2010+26.5%

2011+38.3%

2012+6.8%

2013+110.9%

2014+45.5%

2015+36.3%

2016-25.7%

2017-2.4%

2018-46.6%

2019-29.9%

2020+1.0%

2021+17.8%

2022+8.2%

2023+7.2%

2024+0.5%

2025-2.7%

2026+43.7%

2002 annual price return: -75.7%
2003 annual price return: +102.7%
2004 annual price return: +0.9%
2005 annual price return: +36.5%
2006 annual price return: -34.8%
2007 annual price return: +19.1%
2008 annual price return: -29.5%
2009 annual price return: -12.1%
2010 annual price return: +26.5%
2011 annual price return: +38.3%
2012 annual price return: +6.8%
2013 annual price return: +110.9%
2014 annual price return: +45.5%
2015 annual price return: +36.3%
2016 annual price return: -25.7%
2017 annual price return: -2.4%
2018 annual price return: -46.6%
2019 annual price return: -29.9%
2020 annual price return: +1.0%
2021 annual price return: +17.8%
2022 annual price return: +8.2%
2023 annual price return: +7.2%
2024 annual price return: +0.5%
2025 annual price return: -2.7%
2026 annual price return: +43.7%

LessMore

ALKS Stock Price Trajectory (1991–2026)

As of October 25, 2026, Alkermes plc (ALKS) trades at $43.63, representing a +45.2% return over the past year. The stock has delivered a +37.2% total return over five years (+6.5% CAGR), reflecting significant long-term value creation.

The stock reached its all-time high of $98.50 on March 1, 2000. From this peak, ALKS has corrected -55.7%, currently trading 9% above its 200-day moving average, indicating continued institutional support.

When compared to Healthcare sector peers INVA (+13.1% 1Y), SUPN (-21.8% 1Y), and ACAD (-9.2% 1Y), ALKS has outperformed the peer group average. Compare ALKS vs INVA →

ALKS Historical Price Data · from 1991

Rows 1–50 of 8,883

Date	Open	High	Low	Close	Volume	Change %
2026-10-23	44.15	44.15	43.15	43.63	884K	-1.24%
2026-10-22	44.00	44.69	43.00	44.18	1.83M	+1.61%
2026-10-21	44.12	44.58	43.44	43.48	1.81M	-1.43%
2026-10-20	43.38	45.20	43.21	44.11	2.20M	+2.65%
2026-10-19	41.46	43.64	41.35	42.97	2.79M	+4.25%
2026-10-16	40.18	41.57	39.71	41.22	3.41M	+2.79%
2026-10-15	39.74	40.74	39.42	40.10	1.98M	+2.61%
2026-10-14	39.59	40.65	38.98	39.08	1.55M	-1.64%
2026-10-13	40.26	40.35	39.67	39.73	1.07M	-1.32%
2026-10-12	40.67	40.87	40.00	40.26	2.24M	-0.86%
2026-10-09	40.18	40.87	39.99	40.61	1.63M	+1.25%
2026-10-08	41.10	41.26	39.10	40.11	3.25M	-3.23%
2026-10-07	41.28	42.06	41.17	41.45	1.82M	-0.48%
2026-10-06	42.64	42.71	41.24	41.65	1.55M	-2.60%
2026-10-05	42.07	43.22	41.67	42.76	3.13M	+2.42%
2026-10-02	41.03	41.96	40.32	41.75	2.42M	+2.98%
2026-10-01	40.00	41.41	39.99	40.54	2.63M	+0.05%
2026-09-30	40.94	40.94	39.92	40.52	2.53M	-0.69%
2026-09-29	39.84	40.90	39.84	40.80	2.69M	+1.62%
2026-09-28	40.71	40.97	40.04	40.15	2.36M	-1.71%
2026-09-25	40.94	41.12	40.49	40.85	2.59M	+0.15%
2026-09-24	42.55	42.55	40.59	40.79	2.84M	-3.18%
2026-09-23	43.20	43.62	41.23	42.13	2.48M	-2.68%
2026-09-22	44.39	44.53	43.08	43.29	2.31M	-2.01%
2026-09-21	44.27	44.79	43.11	44.18	3.73M	+1.82%
2026-09-18	46.51	46.53	43.27	43.39	6.94M	-7.11%
2026-09-17	47.10	47.40	46.41	46.71	1.42M	+1.39%
2026-09-16	46.64	47.26	45.79	46.07	1.85M	+0.09%
2026-09-15	45.73	46.14	44.63	46.03	2.15M	+0.44%
2026-09-14	46.60	46.60	45.66	45.83	2.03M	-0.30%
2026-09-11	46.75	46.75	45.73	45.97	1.28M	-0.30%
2026-09-10	44.98	46.11	44.75	46.11	1.19M	+1.56%
2026-09-09	45.24	45.61	44.72	45.40	1.44M	-0.20%
2026-09-08	45.20	46.53	44.63	45.49	1.36M	-1.32%
2026-09-04	46.14	46.93	45.80	46.10	1.06M	-1.66%
2026-09-03	48.01	48.29	46.71	46.88	975K	-1.76%
2026-09-02	47.70	48.74	46.68	47.72	1.57M	+1.10%
2026-09-01	47.00	47.34	46.65	47.20	1.35M	+0.45%
2026-08-31	47.25	47.56	46.46	46.99	1.44M	-0.89%
2026-08-28	48.82	48.82	47.25	47.41	1.43M	-3.05%
2026-08-27	48.72	49.33	48.10	48.90	2.12M	-0.53%
2026-08-26	49.23	49.35	48.46	49.16	661K	-0.10%
2026-08-25	48.94	49.58	48.87	49.21	1.13M	+0.70%
2026-08-24	48.05	49.03	47.64	48.87	1.30M	+1.12%
2026-08-21	48.05	48.67	47.33	48.33	940K	+0.65%
2026-08-20	49.37	49.86	47.93	48.02	1.64M	-4.30%
2026-08-19	51.26	51.29	50.08	50.18	1.54M	+1.41%
2026-08-18	50.10	50.42	49.46	49.48	971K	-0.74%
2026-08-17	48.90	50.08	48.62	49.85	764K	+1.61%
2026-08-14	49.37	50.02	48.65	49.06	1.27M	-0.79%

Consensus & Technical Research Suite

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ALKS Chart Terminal

WASM

Live VCP patterns, Cup & Handle overlays, support/resistance, and AI trade plans.

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Live Breakouts Feed

LIVE

High-probability breakout stocks crossing their pivot across 5 pattern engines.

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Intrinsic Valuation

DCF models, multiple analysis, and analyst estimates.

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Historical Returns

10-year return with dividends reinvested.

Calculate

Peer Comparison

Compare growth, multiples, and margins vs sector.

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ALKS — Frequently Asked Questions

Quick answers to the most common questions about buying ALKS stock.

How has ALKS stock performed recently?

ALKS returned +45.2% over the past year, beating its 5-year annualized CAGR of +6.5%. The stock trades above its 200-day moving average, confirming the uptrend.

What is ALKS's all-time high price?

Alkermes plc reached $98.50 on 2000-03-01. The 52-week high is $55.67. Current 1-year return of +45.2% places the stock closer to historical peaks.

Where can I download ALKS historical price data?

This page provides ALKS daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 1991-2026, downloadable in CSV format.

ALKS Stock Price Trajectory (1991–2026)

When compared to Healthcare sector peers INVA (+13.1% 1Y), SUPN (-21.8% 1Y), and ACAD (-9.2% 1Y), ALKS has outperformed the peer group average. Compare ALKS vs INVA →

Date

Open

High

Low

Volume

Change %

2026-10-23

44.15

43.15

43.63

884K

-1.24%

2026-10-22

44.00

44.69

43.00

44.18

1.83M

+1.61%

2026-10-21

44.12

44.58

43.44

43.48

1.81M

-1.43%

2026-10-20

43.38

45.20

43.21

44.11

2.20M

+2.65%

2026-10-19

41.46

43.64

41.35

42.97

2.79M

+4.25%

2026-10-16

40.18

41.57

39.71

41.22

3.41M

+2.79%

2026-10-15

39.74

40.74

39.42

40.10

1.98M

+2.61%

2026-10-14

39.59

40.65

38.98

39.08

1.55M

-1.64%

2026-10-13

40.26

40.35

39.67

39.73

1.07M

-1.32%

2026-10-12

40.67

40.87

40.00

40.26

2.24M

-0.86%

2026-10-09

40.18

40.87

39.99

40.61

1.63M

+1.25%

2026-10-08

41.10

41.26

39.10

40.11

3.25M

-3.23%

2026-10-07

41.28

42.06

41.17

41.45

1.82M

-0.48%

2026-10-06

42.64

42.71

41.24

41.65

1.55M

-2.60%

2026-10-05

42.07

43.22

41.67

42.76

3.13M

+2.42%

2026-10-02

41.03

41.96

40.32

41.75

2.42M

+2.98%

2026-10-01

40.00

41.41

39.99

40.54

2.63M

+0.05%

2026-09-30

40.94

39.92

40.52

2.53M

-0.69%

2026-09-29

39.84

40.90

39.84

40.80

2.69M

+1.62%

2026-09-28

40.71

40.97

40.04

40.15

2.36M

-1.71%

2026-09-25

40.94

41.12

40.49

40.85

2.59M

+0.15%

2026-09-24

42.55

40.59

40.79

2.84M

-3.18%

2026-09-23

43.20

43.62

41.23

42.13

2.48M

-2.68%

2026-09-22

44.39

44.53

43.08

43.29

2.31M

-2.01%

2026-09-21

44.27

44.79

43.11

44.18

3.73M

+1.82%

2026-09-18

46.51

46.53

43.27

43.39

6.94M

-7.11%

2026-09-17

47.10

47.40

46.41

46.71

1.42M

+1.39%

2026-09-16

46.64

47.26

45.79

46.07

1.85M

+0.09%

2026-09-15

45.73

46.14

44.63

46.03

2.15M

+0.44%

2026-09-14

46.60

45.66

45.83

2.03M

-0.30%

2026-09-11

46.75

45.73

45.97

1.28M

-0.30%

2026-09-10

44.98

46.11

44.75

46.11

1.19M

+1.56%

2026-09-09

45.24

45.61

44.72

45.40

1.44M

-0.20%

2026-09-08

45.20

46.53

44.63

45.49

1.36M

-1.32%

2026-09-04

46.14

46.93

45.80

46.10

1.06M

-1.66%

2026-09-03

48.01

48.29

46.71

46.88

975K

-1.76%

2026-09-02

47.70

48.74

46.68

47.72

1.57M

+1.10%

2026-09-01

47.00

47.34

46.65

47.20

1.35M

+0.45%

2026-08-31

47.25

47.56

46.46

46.99

1.44M

-0.89%

2026-08-28

48.82

47.25

47.41

1.43M

-3.05%

2026-08-27

48.72

49.33

48.10

48.90

2.12M

-0.53%

2026-08-26

49.23

49.35

48.46

49.16

661K

-0.10%

2026-08-25

48.94

49.58

48.87

49.21

1.13M

+0.70%

2026-08-24

48.05

49.03

47.64

48.87

1.30M

+1.12%

2026-08-21

48.05

48.67

47.33

48.33

940K

+0.65%

2026-08-20

49.37

49.86

47.93

48.02

1.64M

-4.30%

2026-08-19

51.26

51.29

50.08

50.18

1.54M

+1.41%

2026-08-18

50.10

50.42

49.46

49.48

971K

-0.74%

2026-08-17

48.90

50.08

48.62

49.85

764K

+1.61%

2026-08-14

49.37

50.02

48.65

49.06

1.27M

-0.79%

Alkermes plc (ALKS) Stock Price History

ALKS Historical Performance

ALKS Annual Returns

Download Historical Data

ALKS Stock Price Trajectory (1991–2026)

ALKS Historical Price Data · from 1991

ALKS Chart Terminal

Live Breakouts Feed

Intrinsic Valuation

Historical Returns

Peer Comparison

Alkermes plc (ALKS) Stock Price History

ALKS Historical Performance

ALKS Annual Returns

Download Historical Data

ALKS Stock Price Trajectory (1991–2026)

ALKS Historical Price Data · from 1991

ALKS Chart Terminal

Live Breakouts Feed

Intrinsic Valuation

Historical Returns

Peer Comparison