Alector (ALEC) | Stock Overview & Key Data
Alector Performance Comparison
Stock Range
Today's Range
52 Week Range
All-Time High: $43.32 on June 28, 2021
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Key Statistics
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Financial Highlights
Quarter Income Flow
Dec 31, 2025
Annual Income Flow
2025
Peer Performance Comparison
| Company | Market Cap | 1W | 1M | 3M | 6M | YTD | 1Y | 3Y | 5Y | 10Y | 15Y | 20Y |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Alector
ALEC
|
265.97M Small-cap | -10.96% | -22.31% | -11.76% | 71.05% | 27.45% | 62.41% | -69.66% | -88.95% | -86.75% | -86.75% | -86.75% |
|
Vertex
VRTX
|
109.45B Large-cap | -2.49% | -1.11% | -12.54% | -1.86% | -5.98% | 1.24% | 34.08% | 113.19% | 376.31% | 717.28% | 1,190.86% |
|
Regeneron
REGN
|
80.98B Large-cap | -5.03% | -15.02% | -23.79% | -18.77% | -22.36% | 25.39% | -16.92% | 20.10% | 53.41% | 959.24% | 4,557.42% |
|
Capricor
CAPR
|
2.04B Mid-cap | -6.88% | -18.39% | 1.79% | 329.87% | -3.43% | 202.93% | 558.46% | 676.17% | -7.24% | -90.64% | -97.72% |
|
Zymeworks
ZYME
|
1.96B Small-cap | -5.08% | -9.97% | 3.43% | -3.94% | -9.43% | 119.86% | 189.85% | -20.78% | 93.31% | 93.31% | 93.31% |
|
Amylyx
AMLX
|
1.91B Small-cap | -2.85% | -19.26% | -13.14% | -3.35% | 16.37% | 178.64% | -43.01% | -20.59% | -20.59% | -20.59% | -20.59% |
Ownership & Short Interest
Calculate Your Alector Investment Returns
Long-Term Investment Performance Analysis
Alector stock price in Feb 2019 was $16.30, A $1,000.00 lump sum investment in Alector made 7 years ago would be worth approximately $108.59 today, representing a negative return of -89.14%. This translates to an annualized return (CAGR) of -26.14%.
7 Years 3 Months Investment Scenario (Feb 2019 - Jun 2026)
Investment Breakdown
Value Comparison
Disclaimer: This calculator is for informational purposes only and does not consider taxes, fees, or other costs associated with investing. Past performance does not guarantee future results.
Frequently Asked Questions
- What is ALEC's 52-week high and low?
- In the last 52 weeks, Alector reached a high of $3.40 (on October 16, 2025) and a low of $1.09 (on December 3, 2025).
- What is the market cap and P/E ratio for ALEC?
- Curious about Alector's size and valuation? Its market capitalization stands at 265.97M. When it comes to valuation, the P/E ratio (trailing twelve months) is -1.73, and the forward P/E (looking ahead) is -2.76.
- Does ALEC pay dividends? If so, what's the yield?
- As for dividends, Alector isn't currently offering a significant yield, or that specific data isn't available right now.
- Who are Alector's main competitors or similar companies to consider before investing?
When looking at Alector, it can be helpful to see how it compares to other players in its field. Here are a few similar companies or key competitors:
Company Mkt Cap Sector Industry 1Y Return 3Y Return Vertex
VRTX109.45B Healthcare Biotechnology 1.24% 34.08% Regeneron
REGN80.98B Healthcare Biotechnology 25.39% -16.92% Capricor
CAPR2.04B Healthcare Biotechnology 202.93% 558.46% Zymeworks
ZYME1.96B Healthcare Biotechnology 119.86% 189.85% Amylyx
AMLX1.91B Healthcare Biotechnology 178.64% -43.01% For a more comprehensive list, please see the Peer Performance Comparison table on this page.
- What are the key financial health indicators for Alector Inc.? (e.g., ROE, Debt/Equity)
- To get a sense of Alector's financial health, here are a few key indicators: its Return on Equity (ROE) over the last twelve months is -181.56%, the Debt to Equity ratio from the most recent quarter is 118.22, and its Gross Profit Margin stands at N/A.
- What is the recent revenue and earnings growth for ALEC?
- Looking at Alector's growth, its revenue over the trailing twelve months (TTM) was $21M. Compared to the same quarter last year (YoY), quarterly revenue grew by -88.50%, and quarterly earnings saw a YoY growth of -88.50%.
- How much of ALEC stock is held by insiders and institutions?
- Wondering who owns Alector stock? Company insiders (like executives and directors) hold about 10.05% of the shares, while institutional investors (such as mutual funds and pension funds) own approximately 80.86%.
For more common questions about our data, please visit our About Data page.
Data is provided for informational purposes only. Devyara does not guarantee the accuracy of the data displayed.






