IMSR vs SMR
IMSR: Terrestrial Energy is developing an innovative Integral Molten Salt Reactor (IMSR) technology aimed at providing zero-emission, baseload power and industrial process heat. SMR: NuScale Power is a nuclear technology developer revolutionizing clean energy with its scalable, factory-built small modular reactor (SMR) design.
Side-by-side fundamentals
| Metric | IMSR | SMR | Edge |
|---|---|---|---|
| Price as of 2026-07-22 close | $5.38 | $8.68 | |
| Market cap as of 2026-07-23 | $578M | $3.2B | |
| PEG as of 2026-07-23 | n/a | -0.06 | |
| Net margin as of 2026-07-23 | n/a | -2066.6% | |
| Gross margin as of 2026-07-23 | n/a | +23.8% | |
| Operating margin as of 2026-07-23 | n/a | -3812.6% | |
| ROE as of 2026-07-23 | -4.7% | -40.0% | IMSR higher |
| ROA as of 2026-07-23 | -10.4% | -38.1% | IMSR higher |
| Debt / equity as of 2026-07-23 | 0.00 | 0.00 | SMR lower |
| Revenue growth (YoY) as of 2026-07-23 | n/a | -61.9% | |
| Revenue CAGR (3y) SEC XBRL | n/a | +38.7% | |
| Beta as of 2026-07-23 | 2.90 | 2.32 | |
| 1-year return as of 2026-07-22 close | -50.2% | -80.5% | IMSR higher |
Fundamentals: Finnhub, as of 2026-07-23. Filings: SEC EDGAR. Prices are delayed daily-close data.
Last updated 2026-07-22.
Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & Finnhub, shown with their as-of date; "Edge" cells are a pure numeric comparison, not a recommendation.