2.02
price down icon1.46%   -0.03
 
loading

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 March 19, 2026, is $2.02.
  • 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 132.18% to $2.02 now.
  • The 52-week high stock price for ALEC is $3.3999, representing a 68.31% increase from the current share price, occurred on October 16, 2025.
  • The 52-week low stock price for ALEC is $0.87, indicating a -56.93% decrease from the current share price, occurred on April 09, 2025.
  • The closing price of Alector Inc (ALEC) stock in the beginning of 2025 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:
Date High Low High - Low Volume % Change
Mar 19, 2026 $2.08 $1.96 $0.115 150,644.0 -1.71%
Mar 18, 2026 $2.21 $2.00 $0.20 558,856.0 -8.07%
Mar 17, 2026 $2.28 $2.17 $0.1108 515,722.0 +0.90%
Mar 16, 2026 $2.29 $2.19 $0.10 371,261.0 +0.45%
Mar 13, 2026 $2.33 $2.13 $0.19 642,894.0 -1.35%
Mar 12, 2026 $2.32 $2.20 $0.12 623,702.0 -3.88%
Mar 11, 2026 $2.38 $2.21 $0.165 812,320.0 -2.52%
Mar 10, 2026 $2.65 $2.37 $0.28 1,810,554.0 +8.68%
Mar 09, 2026 $2.21 $1.94 $0.265 938,983.0 +9.50%
Mar 06, 2026 $2.03 $1.89 $0.14 684,086.0 +1.01%
Mar 05, 2026 $2.15 $1.94 $0.215 1,100,241.0 -7.91%
Mar 04, 2026 $2.21 $2.08 $0.13 733,462.0 +1.90%
Mar 03, 2026 $2.17 $2.06 $0.115 646,710.0 -4.52%
Mar 02, 2026 $2.37 $2.04 $0.33 1,992,179.0 -9.05%
Feb 27, 2026 $2.53 $2.31 $0.2136 1,337,435.0 -5.08%
Feb 26, 2026 $2.57 $2.07 $0.50 1,302,453.0 +7.11%
Feb 25, 2026 $2.42 $2.19 $0.24 987,076.0 +9.13%
Feb 24, 2026 $2.23 $2.06 $0.1653 518,366.0 +4.29%
Feb 23, 2026 $2.12 $1.93 $0.19 834,642.0 +5.53%
Feb 20, 2026 $2.03 $1.93 $0.10 471,545.0 -1.00%
Feb 19, 2026 $2.04 $1.94 $0.10 540,693.0 +1.52%
Feb 18, 2026 $2.04 $1.95 $0.095 518,736.0 +0.51%

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 2026

Month High Low High - Low Volume % Change
Mar, 2026 $2.65 $1.89 $0.76 11,581,614.0 -17.08%
Feb, 2026 $2.57 $1.75 $0.825 16,846,052.0 +28.57%
Jan, 2026 $2.00 $1.50 $0.50 20,081,185.0 +21.15%

Alector Inc Stock (ALEC) Price History 2025

Month High Low High - Low Volume % Change
Dec, 2025 $1.54 $1.09 $0.45 32,799,043.0 +14.29%
Nov, 2025 $1.50 $1.16 $0.34 32,498,286.0 -9.52%
Oct, 2025 $3.40 $1.33 $2.07 105,205,553.0 -50.34%
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%
$27.42
price down icon 1.42%
$99.13
price up icon 1.08%
$52.24
price down icon 0.36%
$88.34
price down icon 1.84%
$143.42
price up icon 0.42%
biotechnology ONC
$281.12
price down icon 0.33%
Cap:     |  Volume (24h):