Terrestrial Energy Inc. (IMSR) vs Middlesex Water Company (MSEX)
A side-by-side comparison of Terrestrial Energy Inc. and Middlesex Water Company across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 6, 2026. Differences are shown without an overall score or investment verdict.
IMSR
Terrestrial Energy Inc.
$3.93UtilitiesDelayed quote: Oct 6, 2026, 4:00 PM EDT
MSEX
Middlesex Water Company
$52.90UtilitiesDelayed quote: Oct 6, 2026, 4:00 PM EDT
Total return — IMSR vs MSEX
growth of $100 · dividends reinvested · last 1yIMSR -83.5% (-83.5%/yr)MSEX -6.5% (-6.5%/yr)MSEX compounded faster over this window
Log scale — wide-divergence pair
IMSR MSEX
IMSR vs MSEX: by the numbers
- •MSEX is the larger company ($997M vs $325M market cap).
- •MSEX is profitable (23.26% net margin) while IMSR runs a net loss (0.00%).
- •MSEX pays a dividend (2.68% yield), while IMSR has no payments in the available dividend history.
Metrics side by side
Valuation
| Metric | IMSR | MSEX |
|---|---|---|
| P/E ratio | N/A | 20.35 |
| Forward P/E | N/A | 19.86 |
| PEG ratio | N/A | 12.72 |
| P/S ratio | N/A | 4.84 |
| P/B ratio | 1.15 | 1.91 |
| EV / EBITDA | N/A | 15.52 |
Profitability
| Metric | IMSR | MSEX |
|---|---|---|
| Gross margin | 0.00% | 43.64% |
| Operating margin | 0.00% | 29.22% |
| Net margin | 0.00% | 23.26% |
| ROE | -17.47% | 9.18% |
| ROIC | -16.18% | 3.99% |
Dividends
| Metric | IMSR | MSEX |
|---|---|---|
| Dividend yield | N/A | 2.68% |
| Payout ratio | N/A | 55.38% |
Growth (annualized)
| Metric | IMSR | MSEX |
|---|---|---|
| Revenue CAGR (5Y) | N/A | 7.47% |
| EPS CAGR (5Y) | N/A | 1.51% |
| Total return CAGR (5Y) | N/A | -10.95% |
Frequently asked
- Does IMSR or MSEX pay a bigger dividend?
- MSEX pays a dividend (2.68% yield), while IMSR has no payments in the available dividend history.
- Is IMSR or MSEX more profitable?
- MSEX runs the higher net margin — IMSR at 0.00% versus MSEX at 23.26%.
Go deeper
Dig into the metrics
Middlesex Water P/E ratioMiddlesex Water dividend yieldTerrestrial Energy ROEMiddlesex Water ROETerrestrial Energy operating marginMiddlesex Water operating marginTerrestrial Energy revenue growthMiddlesex Water revenue growthTerrestrial Energy free cash flowMiddlesex Water free cash flow
Terrestrial Energy & Middlesex Water appear in these rankings
Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified October 6, 2026.