Atossa Therapeutics, Inc. (ATOS) vs LeonaBio, Inc. (LONA)

A side-by-side comparison of Atossa Therapeutics, Inc. and LeonaBio, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 6, 2026. Differences are shown without an overall score or investment verdict.

Compare

Total return — ATOS vs LONA

growth of $100 · dividends reinvested · last 6y
ATOS -92.7% (-35.4%/yr)LONA -96.7% (-43.5%/yr)ATOS compounded faster over this window
0100200300Start $100202120222023202420252026$7$3
ATOS LONA

ATOS vs LONA: by the numbers

  • •ATOS is the larger company ($25M vs $22M market cap).

Metrics side by side

Valuation

MetricATOSLONA
P/B ratio0.940.66

Profitability

MetricATOSLONA
Gross margin0.00%0.00%
Operating margin0.00%0.00%
Net margin0.00%0.00%
ROE-140.55%-421.06%
ROIC-146.30%-248.21%

Growth (annualized)

MetricATOSLONA
Total return CAGR (5Y)-44.50%-43.13%

Frequently asked

How have ATOS and LONA total returns compared?
Over the past 5 years, ATOS delivered -44.50% and LONA delivered -43.13% annualized total return. Past performance doesn't predict future results.

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified October 6, 2026.