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Compare · ALEC vs GILD

ALEC vs GILD

Side-by-side comparison of Alector Inc. (ALEC) and Gilead Sciences Inc. (GILD): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both ALEC and GILD operate in Biotechnology: Biological Products (No Diagnostic Substances) (Health Care), so they compete in similar markets.
  • GILD is the larger of the two at $160.36B, about 883.4x ALEC ($181.5M).
  • Over the past year, ALEC is up 12.5% and GILD is up 13.4% - GILD leads by 0.9 points.
  • GILD has been more active in the news (19 items in the past 4 weeks vs 4 for ALEC).
  • Both have 25 recent analyst ratings on file.
PerformanceALEC+12.50%GILD+13.44%
2025-06-09+0.00%2026-06-08
MetricALECGILD
Company
Alector Inc.
Gilead Sciences Inc.
Price
$1.62-0.61%
$128.17-0.64%
Market cap
$181.5M
$160.36B
1M return
-33.61%
-4.49%
1Y return
+12.50%
+13.44%
Industry
Biotechnology: Biological Products (No Diagnostic Substances)
Biotechnology: Biological Products (No Diagnostic Substances)
Exchange
NASDAQ
NASDAQ
IPO
2019
1992
News (4w)
4
19
Recent ratings
25
25
ALEC

Alector Inc.

Alector, Inc., a clinical stage biopharmaceutical company, develops therapies for the treatment of neurodegeneration diseases. Its products include AL001, a humanized recombinant monoclonal antibody, which is in Phase III clinical trial for the treatment of frontotemporal dementia, Alzheimer's, Parkinson's, and amyotrophic lateral sclerosis diseases; and AL101 that is in Phase I clinical trial for the treatment of neurodegenerative diseases, including Alzheimer's and Parkinson's diseases. The company also offers AL002, a product candidate that is in Phase II clinical trial for the treatment of Alzheimer's disease; and AL003, which is in Phase Ib clinical trial for the treatment of Alzheimer's disease. In addition, its products in development stage include AL044 that targets MS4A4A, a risk gene for Alzheimer's disease; and 8 candidates in immuno-neurology/immuno-oncology field comprise ADP012, ADP016, ADP017, ADP023, ADP026, ADP122, ADP009, and ADP022. Alector, Inc. has a collaboration agreement with Adimab, LLC for the research and development of antibodies. The company was founded in 2013 and is headquartered in South San Francisco, California.

GILD

Gilead Sciences Inc.

Gilead Sciences, Inc., a research-based biopharmaceutical company, discovers, develops, and commercializes medicines in the areas of unmet medical need in the United States, Europe, and internationally. The company provides Biktarvy, Genvoya, Descovy, Odefsey, Truvada, Complera/ Eviplera, Stribild, and Atripla products for the treatment of human immunodeficiency virus (HIV) infection; Veklury, an injection for intravenous use, for the treatment of coronavirus disease 2019; and Epclusa, Harvoni, Vosevi, Vemlidy, and Viread for the treatment of liver diseases. It also offers Yescarta, Tecartus, Trodelvy, and Zydelig products for the treatment of hematology, oncology, and cell therapy patients. In addition, the company provides Letairis, an oral formulation for the treatment of pulmonary arterial hypertension; Ranexa, an oral formulation for the treatment of chronic angina; and AmBisome, a liposomal formulation for the treatment of serious invasive fungal infections. Gilead Sciences, Inc. has collaboration agreements with Arcus Biosciences, Inc.; Pionyr; Tizona; Tango Therapeutics, Inc.; Jounce Therapeutics, Inc.; Galapagos; Janssen; Japan Tobacco, Inc.; Gadeta; Bristol-Myers Squibb Company; Merck; and Novo Nordisk A/S. The company was founded in 1987 and is headquartered in Foster City, California.

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