ADC Therapeutics SA (ADCT) vs SIGA Technologies (SIGA)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
SIGA Technologies (SIGA) has outperformed ADC Therapeutics SA (ADCT) over the past year, losing 61.4% versus a loss of 67.1%. Over five years, SIGA leads with a -54.1% price change compared with -94.4% for ADCT. SIGA Technologies is the larger company by market cap ($234.2 million vs $181.3 million), about 1.3 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 | ADCT | SIGA |
|---|---|---|
| Share price | $1.42 | $3.26 |
| Market cap | $181.29M | $234.23M |
| 1-day change | +11.81% | -0.91% |
| YTD return | -59.77% | -46.64% |
| 1-year return | -67.05% | -61.37% |
| 5-year return | -94.42% | -54.15% |
| Forward P/E | — | 3.02 |
| EPS (TTM) | $-0.60 | $-0.04 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $4.98 | $8.55 |
| 52-week low | $0.78 | $2.83 |
| Distance from 52-week high | -71.49% | -61.87% |
| Analyst consensus | none | none |
| Avg. price target upside | +134.51% | — |
| Average volume | 1.35M | 726.50K |
| Shares outstanding | 127.67M | 71.85M |
| Employees | 188 | 49 |
| 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.
About ADC Therapeutics SA
ADCT stock →ADC Therapeutics SA provides antibody drug conjugate (ADC) technology platform in Switzerland and the United States. Its flagship product includes ZYNLONTA, a CD19-directed ADC, received accelerated approval from the U.S.
Health Care · Biotechnology: Pharmaceutical Preparations · 188 employees
About SIGA Technologies
SIGA stock →SIGA Technologies, Inc., a commercial-stage pharmaceutical company, focuses on the health security market in the United States. The company's lead product is TPOXX, an antiviral drug for the treatment of human smallpox disease caused by variola virus.
Health Care · Biotechnology: Pharmaceutical Preparations · 49 employees
ADCT vs SIGA FAQ
Which is bigger, ADC Therapeutics SA or SIGA Technologies?
SIGA Technologies (SIGA) is larger, with a market capitalization of $234.23M compared with $181.29M for ADC Therapeutics SA (ADCT).
Which stock has performed better over the past year, ADCT or SIGA?
SIGA returned -61.37% over the past 12 months, compared with -67.05% for ADCT (price return, excluding dividends). Past performance does not predict future results.
Are ADC Therapeutics SA and SIGA Technologies in the same industry?
Yes. Both are classified in the Biotechnology: Pharmaceutical Preparations industry within the Health Care sector.