MetaCap

ABVC BioPharma (ABVC) vs Atossa Therapeutics (ATOS)

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

Summary

ABVC BioPharma (ABVC) has outperformed Atossa Therapeutics (ATOS) over the past year, losing 69.8% versus a loss of 85.5%. Over five years, ATOS leads with a -94.4% price change compared with -96.4% for ABVC. ABVC BioPharma is the larger company by market cap ($26.7 million vs $24.3 million), about 1.1 times the size.

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

Relative performance

ABVC-69.75%ATOS-85.47%
+11%-42%-94%
Oct 8, 20251 yearOct 8, 2026
ABVC-95.46%ATOS-94.93%
+83%-12%-107%
Oct 4, 20215 yearsOct 5, 2026

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

Head-to-head

ABVC versus ATOS key metrics
MetricABVCATOS
Share price$1.00$2.44
Market cap$26.69M$24.35M
1-day change+2.04%+0.83%
YTD return-53.99%-72.66%
1-year return-69.75%-85.47%
5-year return-96.38%-94.36%
EPS (TTM)$-0.30$-4.45
Dividend yield0.00%0.00%
Annual dividend$0.00$0.00
52-week high$3.33$18.00
52-week low$0.707$1.70
Distance from 52-week high-69.93%-86.44%
Analyst consensus—strong_buy
Avg. price target upside—+678.69%
Average volume111.36K63.48K
Shares outstanding26.69M9.98M
Employees1616
SectorHealth CareHealth Care
IndustryBiotechnology: Pharmaceutical PreparationsBiotechnology: Pharmaceutical Preparations

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

  • ABVC has outperformed ATOS by 15.7 percentage points over the past year.

About ABVC BioPharma

ABVC stock →

ABVC BioPharma, Inc., a clinical-stage biopharmaceutical company, develops drugs and medical devices to fulfill unmet medical needs in the United States. The company is developing ABV-1501, which is in Phase II clinical trials as a combination therapy for triple negative breast cancer; ABV-1504, which has completed Phase II clinical trials for depressive disorders; ABV-1505, which is in Phase II clinical trials for adult attention deficit hyperactivity disorder; ABV-1702, which is in Phase II clinical trials to treat myelodysplastic syndromes; and ABV-1601, which is in Phase I/II clinical trials for treating depression in cancer patients.

Health Care · Biotechnology: Pharmaceutical Preparations · 16 employees

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.

Health Care · Biotechnology: Pharmaceutical Preparations · 16 employees

ABVC vs ATOS FAQ

Which is bigger, ABVC BioPharma or Atossa Therapeutics?

ABVC BioPharma (ABVC) is larger, with a market capitalization of $26.69M compared with $24.35M for Atossa Therapeutics (ATOS).

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

ABVC returned -69.75% over the past 12 months, compared with -85.47% for ATOS (price return, excluding dividends). Past performance does not predict future results.

Are ABVC BioPharma and Atossa Therapeutics in the same industry?

Yes. Both are classified in the Biotechnology: Pharmaceutical Preparations industry within the Health Care sector.

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