Amylyx Pharmaceuticals, Inc. (AMLX) stock
Close on Nov 12, 2026Market cap $3.33BP/E –Yield –
Amylyx Pharmaceuticals statistics
58 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
- Mar 2, 2027 (estimated, before the open)
- Last ex-dividend date
- No dividends
- Fundamentals through
- Sep 30, 2026
- Share price as of
- Nov 12, 2026
Valuation ratiosIndustry
- P/TBV Ratio
- 4.41
- 2.29
Share statisticsIndustry
- Shares Change (YoY)
- 33.8%
- 10.9%
- Shares Change (QoQ)
- 15.4%
- 0.51%
- Float
- 102M
- 49M
- Shares Held by Insiders
- 8.03%
- 12.1%
- Shares Held by Institutions
- 103.6%
- 56.4%
Short sellingIndustry
- Short Interest
- 13M
- –
- Short Interest Change
- -3.22%
- -0.76%
- Short % of Float
- 12.5%
- 9.04%
- Short % of Shares Outstanding
- 11.5%
- 6.30%
- Days to Cover
- 10.47
- 5.13
Stock price statisticsIndustry
- 52-Week High
- $41.14
- –
- 52-Week Low
- $10.83
- –
- 20-Day Moving Average
- $28.74
- –
- 50-Day Moving Average
- $29.72
- –
- 200-Day Moving Average
- $20.72
- –
- Average True Range (14)
- $1.63
- –
- Price Change (1 Week)
- 8.11%
- 1.51%
- Price Change (1 Month)
- 10.5%
- -2.35%
- Price Change (3 Months)
- 38.0%
- -21.1%
- Price Change (6 Months)
- 115.1%
- -22.6%
- Price Change (YTD)
- 147.2%
- -22.6%
- Price Change (1 Year)
- 135.5%
- -20.7%
- Price Change (3 Years)
- 130.8%
- -27.4%
- Average Volume (10 Days)
- 2M
- –
- Average Volume (20 Days)
- 1M
- –
- Average Volume (90 Days)
- 2M
- –
- Relative Volume
- 0.72
- 0.79
- Relative Strength Index (14)
- 53.1
- 44.7
- Volatility (1 Year)
- 86.9%
- 80.4%
- Beta (5 Years)
- 1.04
- 1.07
Returns on capitalIndustry
- Return on Equity (ROE)
- -30.1%
- -51.2%
- Return on Assets (ROA)
- -28.4%
- -40.6%
- Return on Capital Employed (ROCE)
- -23.2%
- -38.0%
Financial positionIndustry
- Current Ratio
- 26.81
- 3.30
- Quick Ratio
- 26.44
- 2.42
EfficiencyIndustry
- Profits Per Employee
- -$1.20M
- -$683.67K
- Employee Count
- 136
- 75
- WACC
- 10.2%
- 10.1%
Income statement (TTM)Industry
Balance sheetIndustry
- Net Cash (Debt)
- $768.13M
- $17.46M
- Net Cash Per Share
- $6.89
- $0.72
- Equity (Book Value)
- $753.74M
- $53.27M
- Book Value Per Share
- $6.76
- $1.50
- Tangible Book Value
- $753.74M
- $26.82M
- Working Capital
- $749.81M
- $79.47M
Cash flow (TTM)Industry
Dividends and yieldsIndustry
- Earnings Yield
- -4.91%
- -20.8%
Scores and fair valueIndustry
- Altman Z-Score
- 59.22
- 0.30
- Piotroski F-Score
- 4
- 4
Total return vs. the S&P 500
Price change plus reinvested dividends, to the close on Nov 12, 2026. The S&P 500 is measured by the SPY fund.
| Period | AMLX | S&P 500 | Difference | AMLX per year | S&P 500 per year |
|---|---|---|---|---|---|
| 1 month | +8.7% | -2.7% | +11.4 pts | ||
| 3 months | +27.9% | -1.7% | +29.6 pts | ||
| Year to date | +147.2% | +11.9% | +135.3 pts | ||
| 1 year | +142.2% | +12.0% | +130.2 pts | ||
| 3 years | +139.3% | +78.2% | +61.1 pts | +33.7% | +21.2% |
| 5 years | +210.7% | +73.2% | +137.5 pts | +25.5% | +11.6% |
Short interest
Shares sold short and not yet covered, reported by brokers to FINRA twice a month. Latest settlement date Oct 30, 2026.
13M AMLX shares were sold short on Oct 30, 2026, down 3.2% from the previous report, or 12.51% of the shares available to trade. At recent volumes it would take 10.5 days to buy them back. Over the last 20 sessions, 49.8% of the volume reported to FINRA was short selling.
| Settlement date | Shares short | Change | Avg. daily volume | Days to cover |
|---|---|---|---|---|
| Oct 30, 2026 | 12,823,384 | -3.2% | 1,224,774 | 10.5 |
| Oct 15, 2026 | 13,249,442 | +4.6% | 1,333,949 | 9.9 |
| Sep 30, 2026 | 12,666,971 | -6.3% | 1,382,131 | 9.2 |
| Sep 15, 2026 | 13,512,753 | +6.1% | 1,563,524 | 8.6 |
| Aug 31, 2026 | 12,737,201 | -5.1% | 5,379,256 | 2.4 |
| Aug 14, 2026 | 13,425,106 | +0.2% | 1,881,057 | 7.1 |
| Jul 31, 2026 | 13,401,722 | +9.3% | 1,959,109 | 6.8 |
| Jul 15, 2026 | 12,265,993 | -14.7% | 1,332,522 | 9.2 |
| Jun 30, 2026 | 14,385,180 | +9.6% | 2,038,056 | 7.1 |
| Jun 15, 2026 | 13,121,697 | -12.3% | 1,616,733 | 8.1 |
| May 29, 2026 | 14,957,523 | +3.1% | 916,139 | 16.3 |
| May 15, 2026 | 14,514,401 | -1.9% | 1,193,178 | 12.2 |
Ratios use trailing-twelve-month results and the latest balance sheet. How we calculate.
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