2.46
price down icon1.99%   -0.05
after-market After Hours: 2.45 -0.010 -0.41%
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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 September 04, 2026, is $2.46.
  • 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 182.76% to $2.46 now.
  • The 52-week high stock price for ALEC is $3.3999, representing a 38.21% increase from the current share price, occurred on October 16, 2025.
  • The 52-week low stock price for ALEC is $1.09, indicating a -55.69% decrease from the current share price, occurred on December 03, 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
Sep 04, 2026 $2.58 $2.44 $0.135 496,598.0 -1.99%
Sep 03, 2026 $2.75 $2.44 $0.315 2,617,687.0 -7.72%
Sep 02, 2026 $2.76 $2.40 $0.36 1,667,349.0 +13.33%
Sep 01, 2026 $2.49 $2.22 $0.2657 479,839.0 +6.19%
Aug 31, 2026 $2.35 $2.23 $0.12 610,059.0 -3.42%
Aug 28, 2026 $2.44 $2.31 $0.125 542,221.0 -2.09%
Aug 27, 2026 $2.50 $2.39 $0.11 706,682.0 -2.85%
Aug 26, 2026 $2.52 $2.26 $0.255 995,457.0 +4.24%
Aug 25, 2026 $2.46 $2.28 $0.175 555,720.0 +2.61%
Aug 24, 2026 $2.46 $2.29 $0.175 738,138.0 -2.54%
Aug 21, 2026 $2.37 $2.20 $0.17 728,094.0 +4.42%
Aug 20, 2026 $2.46 $2.19 $0.275 662,201.0 -7.00%
Aug 19, 2026 $2.52 $2.15 $0.37 3,755,620.0 +9.95%
Aug 18, 2026 $2.30 $2.04 $0.26 4,773,830.0 +7.80%
Aug 17, 2026 $2.09 $1.90 $0.19 913,801.0 +4.59%
Aug 14, 2026 $2.07 $1.95 $0.125 596,372.0 -3.92%
Aug 13, 2026 $2.15 $1.98 $0.17 1,294,752.0 -5.12%
Aug 12, 2026 $2.17 $2.02 $0.155 784,205.0 +2.87%
Aug 11, 2026 $2.13 $1.65 $0.479 5,528,507.0 +23.67%

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
Sep, 2026 $2.76 $2.22 $0.54 5,758,071.0 +8.85%
Aug, 2026 $2.52 $1.46 $1.07 32,092,705.0 +49.67%
Jul, 2026 $2.15 $1.37 $0.775 10,931,782.0 -24.88%
Jun, 2026 $2.16 $1.41 $0.75 20,728,875.0 -6.94%
May, 2026 $2.70 $2.00 $0.695 12,865,557.0 -8.86%
Apr, 2026 $2.74 $2.12 $0.6139 13,781,746.0 +10.23%
Mar, 2026 $2.65 $1.89 $0.76 16,907,441.0 -11.52%
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%
$103.76
price up icon 0.86%
$126.29
price down icon 0.31%
$63.96
price up icon 0.13%
$266.11
price up icon 0.61%
ONC ONC
$358.26
price down icon 1.22%
$210.02
price down icon 0.40%
Cap:     |  Volume (24h):