MetaCap

Atossa Therapeutics (ATOS) vs Shuttle Pharmaceuticals (SHPH)

Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.

Summary

Atossa Therapeutics (ATOS) has outperformed Shuttle Pharmaceuticals (SHPH) over the past year, losing 85.5% versus a loss of 87.4%. Shuttle Pharmaceuticals is the larger company by market cap ($26.4 million vs $24.1 million), about 1.1 times the size.

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

Relative performance

ATOS-85.47%SHPH-87.36%
+14%-43%-99%
Oct 8, 20251 yearOct 8, 2026
ATOS-82.27%SHPH-99.98%
+173%+30%-113%
Aug 29, 20225 yearsOct 5, 2026

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

Head-to-head

ATOS versus SHPH key metrics
MetricATOSSHPH
Share price$2.42$5.55
Market cap$24.15M$26.44M
1-day change-1.63%+17.83%
YTD return-72.66%-69.17%
1-year return-85.47%-87.36%
5-year return-94.36%—
EPS (TTM)$-4.45$-16.87
Dividend yield0.00%0.00%
Annual dividend$0.00$0.00
52-week high$18.00$55.90
52-week low$1.70$2.58
Distance from 52-week high-86.56%-90.07%
Analyst consensusstrong_buy—
Avg. price target upside+685.12%—
Average volume63.48K1.36M
Shares outstanding9.98M4.76M
Employees162
SectorHealthcareHealthcare
IndustryBiotechnologyDrug Manufacturers - Specialty & Generic

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.

About Atossa Therapeutics

ATOS stock →

Atossa Therapeutics, Inc., a clinical-stage biopharmaceutical company, develops medicines in areas of significant unmet medical need in oncology in the United States. Its lead drug candidate is oral (Z)-endoxifen, a selective estrogen receptor modulator and selective estrogen receptor degrader currently in Phase 2 clinical development for the treatment and reduction of risk of breast cancer, as well as in other therapeutic areas.

Healthcare · Biotechnology · 16 employees

About Shuttle Pharmaceuticals

SHPH stock →

Shuttle Pharmaceuticals Holdings, Inc., a clinical stage pharmaceutical company, develops novel therapies to treat cancers. It owns a pharmaceutical software artificial intelligence (AI) driven platform for molecular discovery and early-stage drug development.

Healthcare · Drug Manufacturers - Specialty & Generic · 2 employees

ATOS vs SHPH FAQ

Which is bigger, Atossa Therapeutics or Shuttle Pharmaceuticals?

Shuttle Pharmaceuticals (SHPH) is larger, with a market capitalization of $26.44M compared with $24.15M for Atossa Therapeutics (ATOS).

Which stock has performed better over the past year, ATOS or SHPH?

ATOS returned -85.47% over the past 12 months, compared with -87.36% for SHPH (price return, excluding dividends). Past performance does not predict future results.

Are Atossa Therapeutics and Shuttle Pharmaceuticals in the same industry?

Both are in the Healthcare sector, but in different industries: Biotechnology for Atossa Therapeutics and Drug Manufacturers - Specialty & Generic for Shuttle Pharmaceuticals.

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