Gossamer Bio, Inc. (GOSS) vs iBio, Inc. (IBIO)

A side-by-side comparison of Gossamer Bio, Inc. and iBio, 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 — GOSS vs IBIO

growth of $100 · dividends reinvested · last 8y
GOSS -99.3% (-45.8%/yr)IBIO -99.8% (-53.0%/yr)GOSS compounded faster over this window
0200400600Start $100202120232025$1$0
GOSS IBIO

GOSS vs IBIO: by the numbers

  • •IBIO is the larger company ($67M vs $65M market cap).
  • •Both run net losses; GOSS's is the smaller (-235.00% vs -33044.00% net margin).

Metrics side by side

Valuation

MetricGOSSIBIO
P/S ratio1.23665.58
P/B ratioN/A0.78

Profitability

MetricGOSSIBIO
Gross margin99.56%100.00%
Operating margin-336.81%-35141.00%
Net margin-235.00%-33044.00%
ROEN/A-38.55%
ROICN/A-40.22%

Growth (annualized)

MetricGOSSIBIO
Revenue CAGR (5Y)N/A-46.91%
Total return CAGR (5Y)-59.51%-70.43%

Frequently asked

How have GOSS and IBIO total returns compared?
Over the past 5 years, GOSS delivered -59.51% and IBIO delivered -70.43% 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.