Terrestrial Energy (IMSR) vs United States Antimony (UAMY)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 7, 2026.
Summary
United States Antimony (UAMY) has outperformed Terrestrial Energy (IMSR) over the past year, losing 55.6% versus a loss of 79.0%. United States Antimony is the larger company by market cap ($577.7 million vs $386.7 million), about 1.5 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 | IMSR | UAMY |
|---|---|---|
| Share price | $3.65 | $3.86 |
| Market cap | $386.66M | $577.72M |
| 1-day change | -7.12% | -3.26% |
| YTD return | -40.26% | -23.11% |
| 1-year return | -79.01% | -55.63% |
| 5-year return | — | +348.84% |
| Forward P/E | — | 36.76 |
| EPS (TTM) | $-0.37 | $-0.13 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $31.50 | $19.71 |
| 52-week low | $3.60 | $3.75 |
| Distance from 52-week high | -88.41% | -80.42% |
| Average volume | 1.58M | 6.08M |
| Shares outstanding | 82.72M | 149.67M |
| Sector | Industrials | Industrials |
| Industry | Metal Fabrications | Metal Fabrications |
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
- UAMY has outperformed IMSR by 23.4 percentage points over the past year.
IMSR vs UAMY FAQ
Which is bigger, Terrestrial Energy or United States Antimony?
United States Antimony (UAMY) is larger, with a market capitalization of $577.72M compared with $386.66M for Terrestrial Energy (IMSR).
Which stock has performed better over the past year, IMSR or UAMY?
UAMY returned -55.63% over the past 12 months, compared with -79.01% for IMSR (price return, excluding dividends). Past performance does not predict future results.
Are Terrestrial Energy and United States Antimony in the same industry?
Yes. Both are classified in the Metal Fabrications industry within the Industrials sector.