MetaCap

Alector (ALEC) vs Sutro Biopharma (STRO)

Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.

Summary

Sutro Biopharma (STRO) has outperformed Alector (ALEC) over the past year, gaining 74.5% versus a loss of 37.5%. Over five years, ALEC leads with a -91.8% price change compared with -92.3% for STRO. Sutro Biopharma is the larger company by market cap ($243.1 million vs $214.4 million), about 1.1 times the size.

Summary generated from market data by MetaCap's automated system. Methodology

Relative performance

ALEC-37.46%STRO+74.52%
+410%+162%-85%
Oct 7, 20251 yearOct 7, 2026
ALEC-91.79%STRO-92.12%
+32%-36%-103%
Oct 4, 20215 yearsOct 5, 2026

Percent change in share price from the first common trading day shown; excludes dividends.

Head-to-head

ALEC versus STRO key metrics
MetricALECSTRO
Share price$1.92$14.66
Market cap$214.38M$243.08M
1-day change+6.08%+1.45%
YTD return+23.08%+26.71%
1-year return-37.46%+74.52%
5-year return-91.76%-92.28%
EPS (TTM)$-1.09$-17.28
Dividend yield0.00%0.00%
Annual dividend$0.00$0.00
52-week high$3.40$43.85
52-week low$1.09$7.15
Distance from 52-week high-43.53%-66.57%
Analyst consensusholdstrong_buy
Avg. price target upside+71.88%+222.17%
Average volume2.75M289.73K
Shares outstanding111.66M16.58M
Employees103128
SectorHealthcareHealthcare
IndustryBiotechnologyBiotechnology

Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.

Key differences

  • STRO has outperformed ALEC by 112.0 percentage points over the past year.

About Alector

ALEC stock →

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.

Healthcare · Biotechnology · 103 employees

About Sutro Biopharma

STRO stock →

Sutro Biopharma, Inc. operates as an oncology company.

Healthcare · Biotechnology · 128 employees

ALEC vs STRO FAQ

Which is bigger, Alector or Sutro Biopharma?

Sutro Biopharma (STRO) is larger, with a market capitalization of $243.08M compared with $214.38M for Alector (ALEC).

Which stock has performed better over the past year, ALEC or STRO?

STRO returned +74.52% over the past 12 months, compared with -37.46% for ALEC (price return, excluding dividends). Past performance does not predict future results.

Are Alector and Sutro Biopharma in the same industry?

Yes. Both are classified in the Biotechnology industry within the Healthcare sector.

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