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2.99
1.64%
-0.05
After Hours:
3.04
0.05
+1.67%
Alector Inc Stock (ALEC) Price History
The historical daily chart and data for Alector Inc stock (ALEC), show that the latest closing stock price as of October 14, 2025, is $2.99.
- Alector Inc all-time high stock price is $43.32, occurred on July 02, 2021.
- The lowest Alector Inc stock price recorded was $0.87 on April 09, 2025. Since then, Alector Inc's stock price has risen over 243.68% to $2.99 now.
- The 52-week high stock price for ALEC is $6.14, representing a 105.35% increase from the current share price, occurred on November 11, 2024.
- The 52-week low stock price for ALEC is $0.87, indicating a -70.90% decrease from the current share price, occurred on April 09, 2025.
- The closing price of Alector Inc (ALEC) stock in the beginning of 2024 was $20.78. The stock closed the year at $9.23, a loss of over -55.58% for the year.
The table below shows more information about ALEC historical price data:
Daily
Weekly
Monthly
7D
30D
60D
YTD
1Y
| Date | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Oct 14, 2025 | $3.07 | $2.87 | $0.1956 | 986,435.0 | -1.64% |
| Oct 13, 2025 | $3.07 | $2.90 | $0.165 | 1,163,673.0 | +0.66% |
| Oct 10, 2025 | $3.24 | $3.00 | $0.24 | 865,737.0 | -3.82% |
| Oct 09, 2025 | $3.23 | $3.06 | $0.1649 | 1,111,052.0 | +1.95% |
| Oct 08, 2025 | $3.25 | $3.06 | $0.19 | 1,018,440.0 | +0.33% |
| Oct 07, 2025 | $3.21 | $3.04 | $0.17 | 1,054,428.0 | -3.46% |
| Oct 06, 2025 | $3.29 | $3.10 | $0.1945 | 981,751.0 | -4.22% |
| Oct 03, 2025 | $3.33 | $3.11 | $0.22 | 2,589,228.0 | +5.06% |
| Oct 02, 2025 | $3.17 | $2.97 | $0.20 | 1,069,480.0 | +5.33% |
| Oct 01, 2025 | $3.03 | $2.84 | $0.19 | 1,027,671.0 | +1.35% |
| Sep 30, 2025 | $3.05 | $2.83 | $0.22 | 964,920.0 | -2.95% |
| Sep 29, 2025 | $3.16 | $3.00 | $0.155 | 554,247.0 | -1.61% |
| Sep 26, 2025 | $3.15 | $2.92 | $0.235 | 1,037,178.0 | +5.80% |
| Sep 25, 2025 | $3.20 | $2.88 | $0.3192 | 1,092,853.0 | -7.28% |
| Sep 24, 2025 | $3.28 | $3.12 | $0.16 | 571,790.0 | -0.63% |
| Sep 23, 2025 | $3.28 | $3.12 | $0.16 | 948,674.0 | +0.00% |
| Sep 22, 2025 | $3.25 | $2.95 | $0.305 | 1,112,474.0 | +4.95% |
| Sep 19, 2025 | $3.15 | $3.01 | $0.14 | 2,300,967.0 | -3.19% |
| Sep 18, 2025 | $3.17 | $2.92 | $0.25 | 700,093.0 | +6.10% |
| Sep 17, 2025 | $3.18 | $2.76 | $0.42 | 1,320,542.0 | +6.88% |
| Sep 16, 2025 | $2.98 | $2.75 | $0.23 | 580,712.0 | -6.76% |
Alector Inc Stock (ALEC) Year by Year Price History
In this detailed analysis, we present a comprehensive overview of the price movements of Alector Inc stock over the years. By exploring the year-by-year data, investors can gain valuable insights into the historical performance and volatility of ALEC shares. From significant milestones and fluctuations to notable trends, this in-depth examination of Alector Inc stock price history provides a foundation for understanding how the company's stock has evolved over time.
Alector Inc Stock (ALEC) Price History 2025
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Oct, 2025 | $3.33 | $2.84 | $0.49 | 12,854,330.0 | +1.01% |
| Sep, 2025 | $3.28 | $2.30 | $0.98 | 27,465,162.0 | +25.96% |
| Aug, 2025 | $2.56 | $1.42 | $1.14 | 32,697,997.0 | +57.72% |
| Jul, 2025 | $2.00 | $1.34 | $0.6593 | 9,616,957.0 | +6.43% |
| Jun, 2025 | $1.69 | $1.28 | $0.4099 | 12,405,320.0 | +5.26% |
| May, 2025 | $1.46 | $0.9728 | $0.4872 | 25,945,957.0 | +10.83% |
| Apr, 2025 | $1.25 | $0.87 | $0.38 | 17,715,287.0 | -2.44% |
| Mar, 2025 | $1.65 | $1.20 | $0.45 | 12,968,054.0 | -25.00% |
| Feb, 2025 | $2.09 | $1.55 | $0.54 | 11,879,988.0 | -1.20% |
| Jan, 2025 | $2.15 | $1.60 | $0.555 | 13,507,341.0 | -12.17% |
Alector Inc Stock (ALEC) Price History 2024
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Dec, 2024 | $2.63 | $1.68 | $0.95 | 34,902,144.0 | -33.59% |
| Nov, 2024 | $6.14 | $2.37 | $3.77 | 28,411,349.0 | -47.36% |
| Oct, 2024 | $5.35 | $4.20 | $1.15 | 10,398,092.0 | +5.58% |
| Sep, 2024 | $6.37 | $4.47 | $1.90 | 11,522,025.0 | -11.74% |
| Aug, 2024 | $6.10 | $4.81 | $1.29 | 8,738,968.0 | -12.00% |
| Jul, 2024 | $6.78 | $4.22 | $2.56 | 10,783,736.0 | +32.16% |
| Jun, 2024 | $5.14 | $4.11 | $1.03 | 16,077,995.0 | -7.72% |
| May, 2024 | $5.69 | $4.86 | $0.83 | 10,734,444.0 | -3.15% |
| Apr, 2024 | $6.25 | $4.80 | $1.45 | 11,746,537.0 | -15.61% |
| Mar, 2024 | $7.57 | $5.82 | $1.75 | 12,995,972.0 | -13.63% |
| Feb, 2024 | $7.58 | $5.58 | $2.00 | 13,460,740.0 | +16.95% |
| Jan, 2024 | $8.90 | $5.49 | $3.41 | 15,043,120.0 | -25.31% |
Alector Inc Stock (ALEC) Price History 2023
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Dec, 2023 | $8.76 | $5.13 | $3.63 | 14,120,232.0 | +47.23% |
| Nov, 2023 | $6.07 | $3.66 | $2.41 | 14,406,979.0 | +4.23% |
| Oct, 2023 | $6.76 | $4.88 | $1.88 | 10,423,801.0 | -19.75% |
| Sep, 2023 | $7.01 | $4.98 | $2.03 | 18,720,332.0 | +18.90% |
| Aug, 2023 | $9.06 | $5.44 | $3.62 | 12,340,025.0 | -20.55% |
| Jul, 2023 | $7.21 | $5.89 | $1.32 | 9,434,986.0 | +14.14% |
| Jun, 2023 | $7.84 | $5.65 | $2.19 | 12,313,898.0 | -19.22% |
| May, 2023 | $8.04 | $6.37 | $1.67 | 9,924,571.0 | +12.73% |
| Apr, 2023 | $6.91 | $5.91 | $1.00 | 9,753,488.0 | +6.62% |
| Mar, 2023 | $8.82 | $5.76 | $3.06 | 14,148,262.0 | -27.52% |
| Feb, 2023 | $9.86 | $8.49 | $1.37 | 9,173,844.0 | -3.17% |
| Jan, 2023 | $9.48 | $7.95 | $1.53 | 11,995,753.0 | -4.44% |
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