Terrestrial Energy (IMSR) vs Pinnacle West Capital (PNW)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
Pinnacle West Capital (PNW) has outperformed Terrestrial Energy (IMSR) over the past year, gaining 6.6% versus a loss of 80.1%. Pinnacle West Capital is the larger company by market cap ($11.87 billion vs $360.2 million), about 33.0 times the size. Pinnacle West Capital pays a dividend yielding 3.70%, 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 | IMSR | PNW |
|---|---|---|
| Share price | $3.40 | $97.98 |
| Market cap | $360.18M | $11.87B |
| 1-day change | -6.85% | +0.45% |
| YTD return | -44.35% | +10.46% |
| 1-year return | -80.11% | +6.56% |
| 5-year return | — | +44.05% |
| P/E ratio (TTM) | — | 18.81 |
| Forward P/E | — | 17.54 |
| EPS (TTM) | $-0.37 | $5.21 |
| Dividend yield | 0.00% | 3.70% |
| Annual dividend | $0.00 | $3.63 |
| Revenue (latest FY) | — | $5.34B |
| Revenue growth (YoY) | — | +4.20% |
| Net income (latest FY) | — | $631.64M |
| Gross margin | — | 63.79% |
| Operating margin | — | 19.99% |
| Net margin | — | 11.83% |
| 52-week high | $31.50 | $111.16 |
| 52-week low | $3.32 | $86.18 |
| Distance from 52-week high | -89.21% | -11.86% |
| Analyst consensus | none | hold |
| Avg. price target upside | +243.24% | +5.05% |
| Average volume | 1.59M | 1.18M |
| Shares outstanding | 82.72M | 121.20M |
| Employees | 74 | 6,610 |
| Sector | Utilities | Utilities |
| Industry | Utilities - Regulated Electric | Utilities - Regulated Electric |
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
- Pinnacle West Capital is about 33.0 times larger than Terrestrial Energy by market value ($11.87B vs $360.18M).
- PNW has outperformed IMSR by 86.7 percentage points over the past year.
- Pinnacle West Capital offers a meaningfully higher dividend yield (3.70% vs 0.00%).
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).
Utilities · Utilities - Regulated Electric · 74 employees
About Pinnacle West Capital
PNW stock →Pinnacle West Capital Corporation, through its subsidiary, provides retail and wholesale electric services in the state of Arizona. The company engages in the generation, transmission, and distribution of electricity using nuclear, gas, oil, coal, and solar generating facilities.
Utilities · Utilities - Regulated Electric · 6,610 employees
IMSR vs PNW FAQ
Which is bigger, Terrestrial Energy or Pinnacle West Capital?
Pinnacle West Capital (PNW) is larger, with a market capitalization of $11.87B compared with $360.18M for Terrestrial Energy (IMSR).
Which stock has performed better over the past year, IMSR or PNW?
PNW returned +6.56% 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, Terrestrial Energy or Pinnacle West Capital?
Pinnacle West Capital pays a dividend yielding 3.70%, while Terrestrial Energy does not currently pay a regular dividend.
Are Terrestrial Energy and Pinnacle West Capital in the same industry?
Yes. Both are classified in the Utilities - Regulated Electric industry within the Utilities sector.