2.19
price down icon0.90%   -0.02
after-market After Hours: 2.19
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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 May 26, 2026, is $2.19.
  • 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 151.72% to $2.19 now.
  • The 52-week high stock price for ALEC is $3.3999, representing a 55.25% increase from the current share price, occurred on October 16, 2025.
  • The 52-week low stock price for ALEC is $1.09, indicating a -50.23% 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
May 26, 2026 $2.32 $2.12 $0.20 480,520.0 -0.90%
May 22, 2026 $2.27 $2.17 $0.10 328,072.0 +0.00%
May 21, 2026 $2.24 $2.01 $0.23 929,675.0 +4.25%
May 20, 2026 $2.23 $2.11 $0.125 898,476.0 +0.47%
May 19, 2026 $2.16 $2.02 $0.141 790,426.0 -0.47%
May 18, 2026 $2.18 $2.04 $0.135 814,456.0 -1.85%
May 15, 2026 $2.29 $2.14 $0.15 1,104,558.0 -6.09%
May 14, 2026 $2.37 $2.20 $0.173 783,208.0 +6.98%
May 13, 2026 $2.21 $2.09 $0.115 459,086.0 -0.46%
May 12, 2026 $2.21 $2.03 $0.175 437,289.0 +5.37%
May 11, 2026 $2.20 $2.00 $0.195 389,060.0 -2.38%
May 08, 2026 $2.33 $2.09 $0.2375 719,048.0 -13.93%
May 07, 2026 $2.56 $2.41 $0.1484 276,427.0 -5.06%
May 06, 2026 $2.70 $2.56 $0.135 470,642.0 +0.00%
May 05, 2026 $2.62 $2.53 $0.084 361,174.0 +2.39%
May 04, 2026 $2.54 $2.35 $0.195 447,545.0 +6.36%
May 01, 2026 $2.38 $2.29 $0.10 420,256.0 -0.42%
Apr 30, 2026 $2.44 $2.15 $0.285 713,156.0 +3.04%
Apr 29, 2026 $2.38 $2.27 $0.1123 358,371.0 -3.77%
Apr 28, 2026 $2.42 $2.35 $0.07 297,067.0 +1.70%

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
May, 2026 $2.70 $2.00 $0.695 10,590,438.0 -7.59%
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%
$29.66
price down icon 0.98%
$92.25
price up icon 0.12%
$108.87
price up icon 2.48%
$53.86
price down icon 1.17%
ONC ONC
$302.44
price down icon 2.52%
$154.89
price up icon 2.20%
Cap:     |  Volume (24h):