Terrestrial Energy (IMSR) vs NorthWestern Energy Group (NWE)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
NorthWestern Energy Group (NWE) has outperformed Terrestrial Energy (IMSR) over the past year, gaining 26.5% versus a loss of 79.0%. NorthWestern Energy Group is the larger company by market cap ($4.59 billion vs $360.2 million), about 12.7 times the size. NorthWestern Energy Group pays a dividend yielding 3.56%, 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 | NWE |
|---|---|---|
| Share price | $3.40 | $74.63 |
| Market cap | $360.18M | $4.59B |
| 1-day change | -6.85% | +0.89% |
| YTD return | -40.26% | +15.63% |
| 1-year return | -79.01% | +26.49% |
| 5-year return | — | +30.56% |
| P/E ratio (TTM) | — | 26.94 |
| Forward P/E | — | 18.85 |
| EPS (TTM) | $-0.37 | $2.77 |
| Dividend yield | 0.00% | 3.56% |
| Annual dividend | $0.00 | $2.66 |
| Revenue (latest FY) | — | $1.61B |
| Revenue growth (YoY) | — | +6.38% |
| Net income (latest FY) | — | $181.09M |
| Operating margin | — | 20.23% |
| Net margin | — | 11.24% |
| 52-week high | $31.50 | $76.00 |
| 52-week low | $3.32 | $57.12 |
| Distance from 52-week high | -89.21% | -1.80% |
| Analyst consensus | none | buy |
| Avg. price target upside | +243.24% | -2.52% |
| Average volume | 1.59M | 441.94K |
| Shares outstanding | 82.72M | 61.52M |
| Employees | 74 | 1,667 |
| 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
- NorthWestern Energy Group is about 12.7 times larger than Terrestrial Energy by market value ($4.59B vs $360.18M).
- NWE has outperformed IMSR by 105.5 percentage points over the past year.
- NorthWestern Energy Group offers a meaningfully higher dividend yield (3.56% 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 NorthWestern Energy Group
NWE stock →NorthWestern Energy Group, Inc., doing business as NorthWestern Energy, provides electricity and natural gas to residential, commercial, and diversified industrial customers. It generates, purchases, transmits, and distributes electricity; and produces, purchases, stores, transmits, and distributes natural gas, as well as owns municipal franchises to provide natural gas service in the communities.
Utilities · Utilities - Regulated Electric · 1,667 employees
IMSR vs NWE FAQ
Which is bigger, Terrestrial Energy or NorthWestern Energy Group?
NorthWestern Energy Group (NWE) is larger, with a market capitalization of $4.59B compared with $360.18M for Terrestrial Energy (IMSR).
Which stock has performed better over the past year, IMSR or NWE?
NWE returned +26.49% 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, Terrestrial Energy or NorthWestern Energy Group?
NorthWestern Energy Group pays a dividend yielding 3.56%, while Terrestrial Energy does not currently pay a regular dividend.
Are Terrestrial Energy and NorthWestern Energy Group in the same industry?
Yes. Both are classified in the Utilities - Regulated Electric industry within the Utilities sector.