Alkermes plc. (ALKS) stock
Close on Nov 11, 2026Market cap $8.03BP/E 126.0Yield –
Alkermes statistics
102 measures from SEC filings and the closing price. Hover a name for the formula; the last column is the median of companies in the same industry group.
Important dates
- Next earnings
- Feb 24, 2027 (estimated, before the open)
- Last ex-dividend date
- No dividends
- Fundamentals through
- Jun 30, 2026
- Share price as of
- Nov 11, 2026
Valuation ratiosIndustry
- P/OCF Ratio
- 31.99
- 13.11
Enterprise valuationIndustry
- EV / Sales
- 5.33
- 2.65
- EV / EBIT
- 75.74
- 19.03
- EV / FCF
- 40.07
- 22.15
Share statisticsIndustry
- Shares Change (YoY)
- 1.12%
- 10.9%
- Shares Change (QoQ)
- 0.65%
- 0.51%
- Float
- 165M
- 49M
- Shares Held by Insiders
- 1.56%
- 11.6%
- Shares Held by Institutions
- 106.1%
- 56.4%
Short sellingIndustry
- Short Interest
- 20M
- –
- Short Interest Change
- 3.15%
- -0.76%
- Short % of Float
- 11.9%
- 9.06%
- Short % of Shares Outstanding
- 11.7%
- 6.38%
- Days to Cover
- 11.25
- 5.16
Stock price statisticsIndustry
- 52-Week High
- $55.67
- –
- 52-Week Low
- $27.00
- –
- 20-Day Moving Average
- $44.59
- –
- 50-Day Moving Average
- $43.68
- –
- 200-Day Moving Average
- $41.00
- –
- Average True Range (14)
- $1.64
- –
- Price Change (1 Week)
- 4.36%
- -0.50%
- Price Change (1 Month)
- 20.5%
- -0.33%
- Price Change (3 Months)
- -3.15%
- -17.2%
- Price Change (6 Months)
- 23.1%
- -20.1%
- Price Change (YTD)
- 71.2%
- -20.1%
- Price Change (1 Year)
- 46.7%
- -19.3%
- Price Change (3 Years)
- 101.2%
- -23.4%
- Price Change (5 Years)
- 99.7%
- -76.4%
- Price Change (10 Years)
- -18.2%
- -62.4%
- Average Volume (10 Days)
- 2M
- –
- Average Volume (20 Days)
- 2M
- –
- Average Volume (90 Days)
- 2M
- –
- Relative Volume
- 0.56
- 0.73
- Relative Strength Index (14)
- 67.6
- 47.6
- Volatility (1 Year)
- 40.5%
- 80.2%
- Beta (5 Years)
- 0.42
- 1.07
MarginsIndustry
- Pretax Margin
- 5.84%
- -12.1%
- EBITDA Margin
- 10.7%
- -25.0%
- FCF Margin
- 13.3%
- -9.55%
Returns on capitalIndustry
- Return on Equity (ROE)
- 3.85%
- -51.3%
- Return on Assets (ROA)
- 1.99%
- -40.3%
- Return on Invested Capital (ROIC)
- 4.88%
- -34.0%
- Return on Capital Employed (ROCE)
- 3.14%
- -37.7%
Financial positionIndustry
- Current Ratio
- 2.30
- 3.30
- Quick Ratio
- 1.68
- 2.37
- Debt / Equity
- 0.83
- 0.49
- Debt / EBITDA
- 8.40
- 3.15
- Debt / FCF
- 6.78
- 4.62
- Net Debt / EBITDA
- 4.73
- 1.97
- Interest Coverage
- 1.98
- -6.27
GrowthIndustry
- Revenue Growth (YoY)
- 10.8%
- 7.01%
- Net Income Growth (YoY)
- -81.0%
- -24.7%
- EPS Growth (YoY)
- -81.7%
- -12.8%
- FCF Growth (YoY)
- -53.8%
- 6.85%
- Revenue Growth (3Y CAGR)
- 9.90%
- 2.25%
- Revenue Growth (5Y CAGR)
- 7.28%
- 6.41%
EfficiencyIndustry
- Asset Turnover
- 0.50
- 0.40
- Inventory Turnover
- 1.05
- 2.68
- Revenue Per Employee
- $813.49K
- $426.63K
- Profits Per Employee
- $32.26K
- -$680.86K
- Employee Count
- 2,050
- 75
- WACC
- 6.74%
- 10.1%
Income statement (TTM)Industry
- Pretax Income
- $97.32M
- -$13.50M
Balance sheetIndustry
- Net Cash (Debt)
- -$846.53M
- $16.31M
- Net Cash Per Share
- -$5.05
- $0.70
- Equity (Book Value)
- $1.81B
- $53.12M
- Book Value Per Share
- $10.78
- $1.49
- Tangible Book Value
- -$547.18M
- $26.11M
- Working Capital
- $860.82M
- $77.59M
Cash flow (TTM)Industry
- Capital Expenditures
- -$29.53M
- -$939.00K
- FCF Per Share
- $1.32
- -$0.42
Dividends and yieldsIndustry
- Earnings Yield
- 0.82%
- -19.8%
- FCF Yield
- 2.76%
- -8.81%
Taxes and interestIndustry
- Interest Expense
- $59.09M
- $2.98M
- Income Tax
- $31.20M
- $79.50K
- Effective Tax Rate
- 32.1%
- 20.7%
Scores and fair valueIndustry
- Graham Number
- $9.60
- $19.42
- Graham Upside
- -80.0%
- -45.8%
- Altman Z-Score
- 2.31
- 0.28
- Piotroski F-Score
- 7
- 4
- Beneish M-Score
- -3.29
- -2.62
Total return vs. the S&P 500
Price change plus reinvested dividends, to the close on Nov 11, 2026. The S&P 500 is measured by the SPY fund.
| Period | ALKS | S&P 500 | Difference | ALKS per year | S&P 500 per year |
|---|---|---|---|---|---|
| 1 month | +17.9% | -2.4% | +20.3 pts | ||
| 3 months | -2.7% | -1.2% | −1.5 pts | ||
| Year to date | +71.2% | +12.3% | +58.9 pts | ||
| 1 year | +41.6% | +12.4% | +29.2 pts | ||
| 3 years | +101.2% | +78.8% | +22.4 pts | +26.2% | +21.4% |
| 5 years | +95.3% | +75.2% | +20.1 pts | +14.3% | +11.9% |
| 10 years | -18.2% | +311.1% | −329.3 pts | -2.0% | +15.2% |
Short interest
Shares sold short and not yet covered, reported by brokers to FINRA twice a month. Latest settlement date Oct 30, 2026.
20M ALKS shares were sold short on Oct 30, 2026, up 3.1% from the previous report, or 11.90% of the shares available to trade. At recent volumes it would take 11.3 days to buy them back. Over the last 20 sessions, 60.0% of the volume reported to FINRA was short selling.
| Settlement date | Shares short | Change | Avg. daily volume | Days to cover |
|---|---|---|---|---|
| Oct 30, 2026 | 19,647,994 | +3.1% | 1,746,478 | 11.3 |
| Oct 15, 2026 | 19,048,577 | +6.9% | 2,088,388 | 9.1 |
| Sep 30, 2026 | 17,821,179 | +17.6% | 2,839,345 | 6.3 |
| Sep 15, 2026 | 15,156,775 | +3.0% | 1,416,869 | 10.7 |
| Aug 31, 2026 | 14,717,404 | -0.3% | 1,248,178 | 11.8 |
| Aug 14, 2026 | 14,761,342 | +2.5% | 1,448,036 | 10.2 |
| Jul 31, 2026 | 14,406,911 | -4.1% | 1,866,095 | 7.7 |
| Jul 15, 2026 | 15,017,743 | -14.0% | 1,648,870 | 9.1 |
| Jun 30, 2026 | 17,464,944 | -2.8% | 3,631,213 | 4.8 |
| Jun 15, 2026 | 17,962,751 | +3.5% | 1,899,270 | 9.5 |
| May 29, 2026 | 17,355,226 | -5.0% | 2,054,158 | 8.4 |
| May 15, 2026 | 18,277,684 | -7.5% | 2,420,484 | 7.5 |
Ratios use trailing-twelve-month results and the latest balance sheet. How we calculate.
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