Historical Stock Price
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Video: Compound Annual Growth Rate (CAGR) Definition


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Date Open High Low Close Volume
02/26/2026 $31.06 $31.44 $29.81 $30.73 2.87M
02/27/2026 $30.35 $30.49 $29.91 $30.10 2.49M
03/02/2026 $29.29 $30.35 $29.11 $30.25 2.05M
03/03/2026 $29.76 $30.34 $28.91 $29.20 2.71M
03/04/2026 $29.28 $29.52 $28.86 $29.28 1.77M
Alkermes plc is a global biopharmaceutical company that seeks to develop medicines in the field of neuroscience. Co. has a portfolio of commercial products for the treatment of alcohol dependence, opioid dependence, schizophrenia and bipolar I disorder and a pipeline of clinical and preclinical candidates in development for neurological disorders. It focuses on commercial products, such as LYBALVI, ARISTADA/ARISTADA INITIO and VIVITROL, and advancing the development of pipeline programs focused on neurological disorders.
ALKS historical stock prices picture
Alkermes (ALKS) has the following price history information. Looking back at ALKS historical stock prices for the last five trading days, on February 26, 2026, ALKS opened at $31.06, traded as high as $31.44 and as low as $29.81, and closed at $30.73. Trading volume was a total of 2.87M shares. On February 27, 2026, ALKS opened at $30.35, traded as high as $30.49 and as low as $29.91, and closed at $30.10. Trading volume was a total of 2.49M shares. On March 02, 2026, ALKS opened at $29.29, traded as high as $30.35 and as low as $29.11, and closed at $30.25. Trading volume was a total of 2.05M shares. On March 03, 2026, ALKS opened at $29.76, traded as high as $30.34 and as low as $28.91, and closed at $29.20. Trading volume was a total of 2.71M shares. On March 04, 2026, ALKS opened at $29.28, traded as high as $29.52 and as low as $28.86, and closed at $29.28. Trading volume was a total of 1.77M shares.

ALKS Historical Stock Prices By Date:

ALKS historical cagr picture

Below, we examine the compound annual growth rate — CAGR for short — of an investment into Alkermes shares, starting with a $10,000 purchase of ALKS, and working forward through the historical stock price information to today.

Growth of $10,000.00
Without Dividends Reinvested

Start date: 03/08/2016
End date: 03/04/2026
Start price/share: $32.41
End price/share: $29.28
Dividends collected/share: $0.00
Total return: -9.66%
Average Annual Total Return: -1.01%
Starting investment: $10,000.00
Ending investment: $9,035.19
Years: 9.99
Date Close
02/26/2026$30.73
02/27/2026$30.10
03/02/2026$30.25
03/03/2026$29.20
03/04/2026$29.28
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Also explore: ALKS shares outstanding history

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