Alector share price logo

Alector

NASDAQ: ALEC

Small Cap

$2.55

+0.09

(+3.66%)

Live

as on

Alector Stock Performance

as on September 9, 2026 at 5:12 am IST

  • Day's Low

    Day's High

    $2.33
    $2.61
    downward going graph

    8.63%

    Downside

    2.35%

    Upside

    downward going graph
  • 52 Week's Low

    52 Week's High

    $1.09
    $3.40
    downward going graph

    57.25%

    Downside

    33.33%

    Upside

    downward going graph

Alector share price movements today

Previous Close
$2.46
Open
$2.34
Volume
1.7M
Market Cap
$274.7M
Day's Low - High
$2.33 - $2.61
52 Week Low - High
$1.09 - $3.40

Alector Historical Returns

1 Month Return
+ 38.2 %
3 Month Return
+ 50.46 %
1 Year Return
-18.27 %
3 Year Return
-56.15 %
5 Year Return
-90.79 %

Alector Stock Fundamentals & Key Indicators

Check Alector market cap, PE, PB, PEG ratios, dividend yield, and other key fundamental indicators.

Market Cap

$274.7M

EPS (TTM)

-1.1

Dividend Yield

0.00%

Quarterly Earnings Growth YOY

-0.86%

PE Ratio (TTM)

-1.85

Industry PE ratio

-6.68

PEG Ratio

0.29040676730987264

EBITDA

-107.8M

Revenue (TTM)

13.9M

Profit Margin

-360.92%

Return On Equity TTM

-531.04%

Alector Stock Valuation

Track how Alector P/E has moved over time to understand its valuation trends.

Alector in the last 5 years

  • Overview

  • Trends

Lowest (-45.71x)

December 31, 2021

Industry (-6.68x)

December 31, 2025

Today (-1.12x)

December 31, 2025

Highest (-1.12x)

December 31, 2025

LowHigh

Today’s Price to Earnings Ratio: -1.12x

Alector vs Peer Comparison

Compare market cap, revenue, PE, and other key metrics of Alector with its industry peers.

Company
Analyst View
Market Cap
5 Years Return %PE RatioProfit Margin %Dividend Yield %
BUY$274.7M-90.79%-1.85-360.92%NA
BUY$44.6B614.61%NA0.00%NA
BUY$138.4B184.14%31.5386.04%NA
BUY$58.1B-66.65%-18.24-12.57%NA
BUY$85.2B23.76%19.7684.86%0.44999999999999996%

Stock Returns calculator for Alector Stock including INR - Dollar returns

The Alector stock calculator helps Indian investors calculate returns based on the historical performance of the stock. Just choose your investment amount and duration to get insights and invest more confidently. See stock returns as well as the effect of dollar appreciation over different durations.

*Dollar Impact: The bonus return you make when the US Dollar rises against the Rupee; calculated on the full amount you walk away with, not just what you invested in.

Investment Value

₹1,00,000

  • 1Y

  • 3Y

  • 5Y

  • 7Y

Alector investment value today

Current value as on today

₹91,301

Returns

-₹8,699

(-8.7%)

Returns from Alector Stock

-₹15,282 (-15.28%)

Dollar Impact

₹6,583 (+6.58%)

Analyst Recommendation on Alector Stock

Based on 6 analysts

BUY

16.67%

Buy

50.00%

Hold

33.33%

Sell

Based on 6 analysts, 50% of analysts recommend a 'BUY' rating for Alector. Average target price of $3.1

Alector Share Price Target

Get share price movements and forecasts by analysts on Alector.

What analysts predicted

17.74%UPSIDE

Target Price

$3.1

Current Price

$2.55

Analyzed by

6 Analysts

Target

$3.10

Alector target price $3.1, a slight upside of 17.74% compared to current price of $2.55. According to 6 analysts rating.

Indian Investors' Interest in Alector Stock

Search interest for Alector Stock has increased by 236% in the last 30 days, reflecting an upward trend in search activity.

Time period: to

Change:236% versus previous 30 day period

Alector Quarterly Profit & Loss

All numbers in Millions USD

Mar 2024
Jun 2024
Sep 2024
Dec 2024
Mar 2025
Jun 2025
Sep 2025
Dec 2025
Mar 2026
Jun 2026
Total Revenue
15
15
15
54
3
7
3
6
1
3
Gross Profit
13
12
-32
7
-29
-19
-26
-26
-1
3
Operating Income
-43
-45
-48
-7
-44
-34
-37
-39
-25
-24
EBITDA
-33
-36
-40
0
-38
-27
-33
-34
-20
-18
Interest Expense
-
-
-
-
-
-
-
-
-
-
Depreciation
2
2
2
2
1
3
1
2
2
4
Income Before Tax
-36
-38
-42
-2
-40
-30
-34
-37
-22
-22
Income Tax Expense
0
0
-
0
-
-
-
0
-
0
Net Income
-36
-38
-42
-2
-40
-30
-34
-37
-22
-22
Net Profit Margin
85.58%
84.88%
100.00%
14.34%
-815.65%
-250.66%
-800.31%
-420.49%
-99.24%
100.00%

Alector Annual Profit & Loss

All numbers in Millions USD

Dec 2017
Dec 2018
Dec 2019
Dec 2020
Dec 2021
Dec 2022
Dec 2023
Dec 2024
Dec 2025
Total Revenue
3
27
21
21
207
133
97
100
21
Gross Profit
-26
-45
-79
-135
17
133
88
-85
11
Operating Income
-32
-57
-114
-195
-37
-137
-151
-144
-145
EBITDA
-31
-56
-109
-187
-28
-121
-116
-110
-133
Interest Expense
-
-
-
-
-
-
-
-
-
Depreciation
0
1
3
7
8
8
8
8
9
Income Before Tax
-32
-52
-105
-190
-36
-130
-125
-118
-142
Income Tax Expense
-
-
-
-
-
3
5
0
0
Net Income
-32
-52
-105
-190
-36
-133
-130
-119
-142
Net Profit Margin
-700.83%
-163.87%
-373.76%
-643.53%
8.54%
100.00%
90.88%
-84.91%
54.09%

Alector Quarterly Cash Flow

All numbers in Millions USD

Mar 2024
Jun 2024
Sep 2024
Dec 2024
Mar 2025
Jun 2025
Sep 2025
Dec 2025
Mar 2026
Jun 2026
Net Income
-36
-38
-42
-2
-40
-30
-34
-37
-22
-22
Operating Cash Flow
-61
-62
-50
-55
-60
-49
-32
-41
-49
-34
Investing Cash Flow
-11
37
40
41
65
55
49
25
60
17
Financing Cash Flow
71
0
-
9
-
0
14
5
0
0
Change in Cash
-2
-25
-10
-4
4
6
31
-10
11
-17

Alector Annual Cash Flow

All numbers in Millions USD

Dec 2017
Dec 2018
Dec 2019
Dec 2020
Dec 2021
Dec 2022
Dec 2023
Dec 2024
Dec 2025
Net Income
-32
-52
-105
-190
-36
-133
-130
-119
-142
Operating Cash Flow
-17
127
-99
-166
298
-20
-184
-229
-184
Investing Cash Flow
0
-224
-48
-105
-49
-159
101
107
196
Financing Cash Flow
0
131
172
232
30
4
2
81
20
Change in Cash
-18
34
24
-39
279
-174
-79
-41
32

Mutual Funds that own Alector Stock

Check out the Mutual Funds with significant holdings in Alector.

Funds
Holdings
Shares Held
VANGUARD INDEX FUNDS
3.205219%
3578849
Fidelity Select Portfolios
1.989221%
2221104
Fidelity Salem Street Trust
0.912325%
1018675
Fidelity Concord Street Trust
0.830986%
927854
BlackRock Funds
0.661332%
738424

Global Institutional Holdings in Alector

Funds
Holdings
Vanguard
4.3%
iShares
3.44%
Xtrackers
1.45%
James E. Flynn
0.95%
Schwab
0.47%

Alector News & Key Events

  • img

    Today's Timeline - 22 October

    Wed, 09:37 PM

    -

    Alector announces Phase 3 trial failure for latozinemab; shares drop 51.09% to $1.57.

Insights on Alector

Insights help you understand the recent movement of the company's critical parameters, giving you an overall view of the company.

  • imgPOSITIVE IMPACT

    Price Rise

    img

    In the last 1 month, ALEC stock has moved up by 38.2%

  • imgPOSITIVE IMPACT

    Revenue Rich

    img

    Revenue is up for the last 2 quarters, 1.04M → 3.32M (in $), with an average increase of 68.5% per quarter

  • imgNO EFFECT

    Against Peers

    img

    In the last 3 years, Revolution Medicines, Inc. Common Stock has given 35.2% return, outperforming this stock by 92.0%

  • imgNO EFFECT

    Against Peers

    img

    In the last 1 year, Moderna, Inc. Common Stock has given 486.2% return, outperforming this stock by 497.1%

  • imgNEGATIVE IMPACT

    Profit Down

    img

    Netprofit is down for the last 2 quarters, -22.92M → -22.99M (in $), with an average decrease of 0.3% per quarter

About Alector

Alector, Inc., a clinical stage biotechnology company, develops therapies to counteract the progression of neurodegeneration in the United States. Its pipeline includes Nivisnebart, an investigational human recombinant monoclonal antibody for treating prevalent neurodegenerative diseases; AL137, an anti-amyloid beta antibody paired in preclinical development for the potential treatment of Alzheimer's disease; and AL050, a GCase enzyme replacement therapy in preclinical development for the potential treatment of Parkinson's disease and Lewy body dementia in patients having GBA1 gene mutations. The company also develops its preclinical and research pipeline comprising AL064, a tau siRNA for Alzheimer's disease and other tauopathies; ADP062-ABC, an alpha-synuclein siRNA for Parkinson's disease; and ADP065-ABC, an NLRP3 siRNA for neurodegenerative conditions. It has a strategic collaboration agreement with GlaxoSmithKline plc for the development and commercialization of progranulin-elevating monoclonal antibodies, including Latozinemab and Nivisnebart. The company was founded in 2013 and is headquartered in South San Francisco, California.
OrganisationAlector
Headquarters131 Oyster Point Boulevard, South San Francisco, CA, United States, 94080
IndustryBiotechnology
CEODr. Arnon Rosenthal Ph.D.
E-voting on sharesClick here to vote

Key Management of Alector

Name

Title

Ms. Clare Hunt M.B.A.

Chief People & Places Officer

Dr. Hua Long DABT, Ph.D.

Senior VP & Head of Research

Dr. Caiyan Li Ph.D.

Head of Clinical Development & Data Science

Dr. Eric Brown Ph.D.

Director of Antibody Discovery & Protein Engineering

Dr. Arnon Rosenthal Ph.D.

Co-Founder, CEO & Director

Mr. Neil Berkley M.B.A., M.S.

CFO & Chief Business Officer

Ms. Katie Hogan

Senior Director of Corporate Communication & Investor Relations

Ms. Danielle Pasqualone J.D., Ph.D.

General Counsel

FAQs

What is Alector share price today?

Alector share price today is $2.55 as on . Alector share today touched a day high of $2.61 and a low of $2.33.

What is the 52 week high and 52 week low for Alector share?

Alector share touched a 52 week high of $3.40 on and a 52 week low of $1.09 on . Alector stock price today i.e. is trending at $2.55,which is 25.00% down from its 52 week high and 133.94% up from its 52 week low.

What is Alector's market capitalisation today?

Alector market capitalisation is $0.00T as on .

How to invest in Alector Stock (ALEC) from India?

  1. Step 1: Open a free US stocks account on INDmoney App and transfer your Rupees into Dollars to your INDmoney US stocks account. For a step by step instruction, check How to Transfer Money to Your US Stocks Account .
  2. Step 2: Search for Alector on INDmoney app. Click on Buy button. You can invest as low as $1.5 in Alector Shares that will get you 0.5882 shares as per Alector share price of $2.55 per share as on September 8, 2026 at 11:42 pm IST.

What is the minimum amount required to buy Alector Stock (ALEC) from India?

Indian investors can start investing in Alector (ALEC) shares with as little as ₹94.8175 or $1 (as of ) using the INDmoney app.
For example: If you want to invest $10 or ₹948.17 in Alector stock (as per the Rupee-Dollar exchange rate as on ). Based on Alector share’s latest price of $2.55 as on September 8, 2026 at 11:42 pm IST, you will get 3.9216 shares of Alector. Learn more about fractional shares .

What are the returns that Alector has given to Indian investors in the last 5 years?

Alector stock has given -90.79% share price returns and 28.04% dollar appreciation to an Indian investor in the last 5 years.
Read more about How do Currency Exchange Rates impact your returns on US Stock Investments?