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NASDAQ · Drug Manufacturers - Specialty & Generic · USD

Alkermes plc (ALKS) Stock Analysis

Alkermes plc (ALKS) is a Drug Manufacturers - Specialty & Generic stock listed on NASDAQ and quoted in US Dollar.

Last Updated: October 21, 2026

ALKS

$43.48

−$0.63 (−1.43%)

Oct 21, 2026 · Market close

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Price History

Hover for the daily close. The dotted line marks the period open.

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ALKS Key Statistics

As of Oct 21, 2026
Trading
Open
$44.12
Previous Close
$44.11
Day's Range
43.44–44.58
52-Week Range
27.00–55.67
Volume
1.78M
BetaHow much the share price moves relative to the wider market. 1.0 moves in line with it; above 1.0 swings more, below 1.0 less.
0.27
Valuation
Market Cap
$7.29B
P/E Ratio
114.42
Forward P/EShare price divided by forecast earnings for the year ahead, rather than the year just past.
24.05
PEG RatioThe P/E ratio divided by the expected earnings growth rate. It puts a high P/E in the context of how fast profits are growing.
1.96
P/S ratioMarket value divided by annual revenue. Useful for companies that are not yet profitable, where a P/E cannot be calculated.
4.37
EPS (ttm)Profit attributable to each share over the last twelve months.
0.38
Financials (FY)
Revenue (FY)
$1.48B−5.25%
Net Income (FY)
$241.66M−34.16%
Profit marginThe share of revenue left as profit after all costs and taxes.
3.97%
Shares OutstandingThe total number of shares held by all investors. Market value is this figure multiplied by the share price.
167.76M
1-Year Return
+38.25%
Dividend and dates
Earnings Date
November 3, 2026
Avg Volume
1.93M

Only metrics the company reports are shown. Data provided by Yahoo Finance via yfinance. Updated daily.

Key facts

As of October 21, 2026, ALKS closed at $43.48, +38.25% over 1 year.

Alkermes plc (ALKS) has a market capitalization of $7.29B.

In fiscal 2025, ALKS reported revenue of $1.48B.

ALKS Stock Return by Calendar Year

Alkermes plc (ALKS) 10-year return: what $10,000 became

1 year
$10,000 $13,825
+38.25%
5 years
$10,000 $14,181
+41.81%
10 years
$10,000 $7,817
−21.83%

If you had invested $10,000 in Alkermes plc (ALKS) 10 years ago, at the close on October 21, 2016, it would have been worth $7,817 at the close on October 21, 2026: −21.83% in total, −2.43% a year. A historical calculation from closing prices adjusted for splits and dividends, before fees and taxes.

Calendar-year returns computed from daily closing prices. Partial years are shown muted and marked with an asterisk.

YearReturn
2026 (partial year)+55.40%
2025−2.71%
2024+3.68%
2023+6.16%
2022+12.34%
2021+16.59%
2020−2.21%
2019−30.87%
2018−46.08%
2017−1.53%
2016 (partial year)+17.75%

As of October 21, 2026.

ALKS Revenue and Earnings by Fiscal Year

FY ends December
Fiscal yearRevenueNet incomeNet margin
2025$1.48B$241.66M16.4%
2024$1.56B$367.07M23.6%
2023$1.66B$355.76M21.4%
2022$1.11B−$158.27M−14.2%
Fiscal yearRevenueGross profitOperating incomeNet incomeNet margin
2025$1.48B$1.28B$253.96M$241.66M16.4%
2024$1.56B$1.31B$420.64M$367.07M23.6%
2023$1.66B$1.41B$414.12M$355.76M21.4%
2022$1.11B$893.73M−$6.09M−$158.27M−14.2%

Annual figures as reported, in the company's reporting currency. As of December 31, 2025.

ALKS Valuation vs Drug Manufacturers - Specialty & Generic Median

Median of 97 stocks
MetricALKSDrug Manufacturers - Specialty & Generic medianvs median
P/E114.4220.315.6x the median
P/S ratio4.372.10108% above
Profit margin3.97%−8.14%12.1 pts above

Medians across 97 Drug Manufacturers - Specialty & Generic stocks that report the metric. Medians, not averages, so one outlier cannot move them. As of October 21, 2026.

Recent News

All 20 articles ↓

News provided by third-party sources. Not financial advice.

Analysis

Data-derived

Company Overview

Alkermes plc (ALKS) carries a market capitalisation of $7.29B. It is classified in the Drug Manufacturers - Specialty & Generic industry, within the Healthcare sector. The company reports 2,050 employees.

The 52-week range on file runs from $27.00 to $55.67. ALKS last closed at $43.48 on October 21, 2026. That is −$0.63 (−1.43%) against the previous close. The latest close sits 61.04% above that 52-week low.

Financial Health

The most recent full year on file, fiscal 2025, shows revenue of $1.48B. Against the prior fiscal year total of $1.56B, that is a change of −5.25%. Net income for the same year was $241.66M. That is −34.16% against the prior fiscal year. The reported profit margin is 3.97%. That is 12.1 percentage points above the Drug Manufacturers - Specialty & Generic median of −8.14%. Trailing earnings per share are 0.38.

Across the 4 fiscal years on file, revenue moves from $1.11B in 2022 to $1.48B in 2025. Of those 4 years, 3 report positive net income.

Valuation Assessment

On trailing earnings, the shares are priced at 114.42 times earnings. That is 5.6 times the Drug Manufacturers - Specialty & Generic median of 20.31. On forward earnings the ratio is 24.05. The PEG ratio, which sets the P/E against expected earnings growth, reads 1.96. The price-to-sales ratio is 4.37. On price-to-sales that is 108.29% above the Drug Manufacturers - Specialty & Generic median of 2.1. 97 Drug Manufacturers - Specialty & Generic companies report these metrics, and the medians quoted come from that group.

The reported beta is 0.27. Daily returns over the trailing 10 years annualize to a volatility of 40.28%. The trailing one-year total return is +38.25%. Measured over 10 years, that is −2.43% a year compounded.

Growth & Income

The record shows no dividend for ALKS.

So far in 2026 the total return is +55.40%. Across the complete calendar years on file, 2021 returned +16.59% and 2018 returned −46.08%. Of the 9 complete calendar years on file, 4 finished higher.

Peer Comparison

Alkermes plc (ALKS) operates in the Drug Manufacturers - Specialty & Generic industry. Here is how it compares to its closest peers by market capitalization:

Company Ticker Market Cap P/E Ratio
Alkermes plc ALKS $7.29B 114.4
Takeda Pharmaceutical Company Limited TAK $63.67B —
Teva Pharmaceutical Industries Limited TEVA $47.37B 67.7
Haleon plc HLN $44.06B 20.5

The Drug Manufacturers - Specialty & Generic industry average P/E ratio is 20.3x. Alkermes plc trades at a P/E of 114.4.

Every figure above is read from this page's own data on each daily rebuild. Informational only, not financial advice. As of October 21, 2026.

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About Alkermes plc

Alkermes plc, a biopharmaceutical company, engages in the research, development, and commercialization of pharmaceutical products to address unmet medical needs of patients in therapeutic areas in the United States, Ireland, and internationally. The company has a portfolio of proprietary commercial products for the treatment of opioid dependence, alcohol dependence, schizophrenia, bipolar I, and a pipeline of clinical and preclinical product candidates in development for neurological disorders. Its marketed products include ARISTADA, an intramuscular injectable suspension for the treatment of schizophrenia; ARISTADA INITIO for the treatment of schizophrenia in adults; VIVITROL for the treatment of alcohol and prevention of opioid dependence; LYBALVI, an oral atypical antipsychotic drug candidate for the treatment of adults with schizophrenia and bipolar I disorder; and LUMRYZ, an extended-release oral suspension product for the treatment of cataplexy or EDS in pediatric patients. The company also offers proprietary technology platforms to third parties to enable them to develop, commercialize, and manufacture products. It has collaboration agreements primarily with Janssen Pharmaceutica N.V., Janssen Pharmaceutica Inc, and Janssen Pharmaceutica International. Alkermes plc was founded in 1987 and is headquartered in Dublin, Ireland.

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