Edison International (EIX) vs Terrestrial Energy (IMSR)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
Edison International (EIX) has outperformed Terrestrial Energy (IMSR) over the past year, gaining 1.6% versus a loss of 80.1%. Edison International is the larger company by market cap ($21.02 billion vs $348.0 million), about 60.4 times the size. Edison International pays a dividend yielding 6.33%, 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 | EIX | IMSR |
|---|---|---|
| Share price | $54.62 | $3.29 |
| Market cap | $21.02B | $348.00M |
| 1-day change | +0.59% | -3.38% |
| YTD return | -9.53% | -44.35% |
| 1-year return | +1.55% | -80.11% |
| 5-year return | -5.32% | — |
| P/E ratio (TTM) | 5.63 | — |
| Forward P/E | 8.40 | — |
| EPS (TTM) | $9.70 | $-0.37 |
| Dividend yield | 6.33% | 0.00% |
| Annual dividend | $3.46 | $0.00 |
| Revenue (latest FY) | $19.32B | — |
| Revenue growth (YoY) | +9.76% | — |
| Net income (latest FY) | $4.46B | — |
| Operating margin | 36.72% | — |
| Net margin | 23.08% | — |
| 52-week high | $81.62 | $31.50 |
| 52-week low | $51.10 | $3.28 |
| Distance from 52-week high | -33.08% | -89.57% |
| Analyst consensus | hold | none |
| Avg. price target upside | +17.17% | +255.25% |
| Average volume | 4.85M | 1.59M |
| Shares outstanding | 384.81M | 82.72M |
| Employees | 13,725 | 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
- Edison International is about 60.4 times larger than Terrestrial Energy by market value ($21.02B vs $348.00M).
- EIX has outperformed IMSR by 81.7 percentage points over the past year.
- Edison International offers a meaningfully higher dividend yield (6.33% vs 0.00%).
- The two companies sit in different sectors: Edison International in Utilities and Terrestrial Energy in Industrials.
About Edison International
EIX stock →Edison International, through its subsidiaries, engages in the generation and distribution of electric power. The company supplies and delivers through its electrical infrastructure to an approximately 50,000 square-mile area of southern, central, and coastal California.
Utilities · Electric Utilities: Central · 13,725 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
EIX vs IMSR FAQ
Which is bigger, Edison International or Terrestrial Energy?
Edison International (EIX) is larger, with a market capitalization of $21.02B compared with $348.00M for Terrestrial Energy (IMSR).
Which stock has performed better over the past year, EIX or IMSR?
EIX returned +1.55% over the past 12 months, compared with -80.11% for IMSR (price return, excluding dividends). Past performance does not predict future results.
Which pays a higher dividend, Edison International or Terrestrial Energy?
Edison International pays a dividend yielding 6.33%, while Terrestrial Energy does not currently pay a regular dividend.
Are Edison International and Terrestrial Energy in the same industry?
No. Edison International is in the Utilities sector, while Terrestrial Energy is in Industrials.