Entergy (ETR) vs Terrestrial Energy (IMSR)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Entergy (ETR) has outperformed Terrestrial Energy (IMSR) over the past year, gaining 7.1% versus a loss of 79.0%. Entergy is the larger company by market cap ($49.04 billion vs $374.5 million), about 131.0 times the size. Entergy pays a dividend yielding 2.46%, while Terrestrial Energy does not currently pay one.
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 | ETR | IMSR |
|---|---|---|
| Share price | $102.64 | $3.54 |
| Market cap | $49.04B | $374.48M |
| 1-day change | -0.16% | -3.15% |
| YTD return | +11.22% | -40.26% |
| 1-year return | +7.11% | -79.01% |
| 5-year return | +101.08% | — |
| P/E ratio (TTM) | 26.25 | — |
| Forward P/E | 20.11 | — |
| EPS (TTM) | $3.91 | $-0.37 |
| Dividend yield | 2.46% | 0.00% |
| Annual dividend | $2.52 | $0.00 |
| Revenue (latest FY) | $12.95B | — |
| Revenue growth (YoY) | +8.98% | — |
| Net income (latest FY) | $1.77B | — |
| Operating margin | 24.73% | — |
| Net margin | 13.70% | — |
| 52-week high | $118.45 | $31.50 |
| 52-week low | $90.87 | $3.53 |
| Distance from 52-week high | -13.35% | -88.78% |
| Analyst consensus | buy | strong_buy |
| Avg. price target upside | +19.13% | +230.13% |
| Average volume | 2.68M | 1.58M |
| Shares outstanding | 477.78M | 82.72M |
| Employees | 12,000 | 74 |
| Sector | Utilities | Industrials |
| Industry | Electric Utilities: Central | 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
- Entergy is about 131.0 times larger than Terrestrial Energy by market value ($49.04B vs $374.48M).
- ETR has outperformed IMSR by 86.1 percentage points over the past year.
- Entergy offers a meaningfully higher dividend yield (2.46% vs 0.00%).
- The two companies sit in different sectors: Entergy in Utilities and Terrestrial Energy in Industrials.
About Entergy
ETR stock →Entergy Corporation, together with its subsidiaries, engages in the production and retail distribution of electricity in the United States. It generates, transmits, distributes, and sells electric power in portions of Arkansas, Louisiana, Mississippi, and Texas, including the City of New Orleans.
Utilities · Electric Utilities: Central · 12,000 employees
About Terrestrial Energy
IMSR stock →Terrestrial Energy Inc. engages in the development of small modular nuclear plants using its generation IV integral molten salt reactor (IMSR).
Industrials · Metal Fabrications · 74 employees
ETR vs IMSR FAQ
Which is bigger, Entergy or Terrestrial Energy?
Entergy (ETR) is larger, with a market capitalization of $49.04B compared with $374.48M for Terrestrial Energy (IMSR).
Which stock has performed better over the past year, ETR or IMSR?
ETR returned +7.11% over the past 12 months, compared with -79.01% for IMSR (price return, excluding dividends). Past performance does not predict future results.
Which pays a higher dividend, Entergy or Terrestrial Energy?
Entergy pays a dividend yielding 2.46%, while Terrestrial Energy does not currently pay a regular dividend.
Are Entergy and Terrestrial Energy in the same industry?
No. Entergy is in the Utilities sector, while Terrestrial Energy is in Industrials.