Connect Biopharma (CNTB) vs iBio (IBIO)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
iBio (IBIO) has outperformed Connect Biopharma (CNTB) over the past year, gaining 16.1% versus a loss of 46.9%. Over five years, CNTB leads with a -94.5% price change compared with -99.8% for IBIO. iBio is the larger company by market cap ($59.8 million vs $55.7 million), about 1.1 times the size.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | CNTB | IBIO |
|---|---|---|
| Share price | $0.8837 | $0.9301 |
| Market cap | $55.65M | $59.81M |
| 1-day change | -6.46% | -7.91% |
| YTD return | -66.50% | -47.67% |
| 1-year return | -46.93% | +16.09% |
| 5-year return | -94.50% | -99.78% |
| EPS (TTM) | $-1.19 | $-0.32 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $3.82 | $3.82 |
| 52-week low | $0.85 | $0.78 |
| Distance from 52-week high | -76.87% | -75.65% |
| Average volume | 3.83M | 735.37K |
| Shares outstanding | 62.97M | 64.31M |
| Sector | Health Care | Health Care |
| Industry | Biotechnology: Pharmaceutical Preparations | Biotechnology: 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
- IBIO has outperformed CNTB by 63.0 percentage points over the past year.
CNTB vs IBIO FAQ
Which is bigger, Connect Biopharma or iBio?
iBio (IBIO) is larger, with a market capitalization of $59.81M compared with $55.65M for Connect Biopharma (CNTB).
Which stock has performed better over the past year, CNTB or IBIO?
IBIO returned +16.09% over the past 12 months, compared with -46.93% for CNTB (price return, excluding dividends). Past performance does not predict future results.
Are Connect Biopharma and iBio in the same industry?
Yes. Both are classified in the Biotechnology: Pharmaceutical Preparations industry within the Health Care sector.