Terrestrial Energy (IMSR)
Develops IMSR molten-salt plants for low-carbon power and industrial heat.
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Develops IMSR molten-salt reactor plants and intends to supply reactor systems, fuel, engineering, and construction-related services. The company pursues a model in which third-party developers own and operate the plants, making their financing and regulatory approvals central to deployment.
Develops the IMSR Plant, a small modular plant based on a proprietary molten-salt-reactor design. The intended output is low-carbon electricity and industrial heat; the company plans to provide reactor systems, fuel, engineering, and construction-related services rather than build, own, or operate the plants itself.
International market deployment is the stated goal. Engineering, early regulator engagement, supplier development, and commercial deployment define its public operating focus. The reported plant design was not approved or licensed for use at a U.S. or Canadian site, and deployment depends on third-party owner-operators arranging financing and required approvals.
Company facts
No analyst consensus on record.
EPSReportedEstimate
RevenueReportedEstimate
Balance sheet, Jun 30, 2026Cash & short-term investments $273.5M · Total debt $3.9M · Total assets $289.9M · Shareholders' equity $281.7M
- Revenue
- $0
- Operating income
- −$11.7M
- Net income
- −$9.4M
No dividends on record.
| Institutions | ≈ 26.43% | 21.86M shares | |
|---|---|---|---|
| 123 holders · as of Jun 30, 2026 · largest filers plus last quarter's tail | |||
| Insiders | 25.38% | 20.99M shares | |
| 11 holders · as of Jan 22, 2026 | |||
| Other | ≈ 48.19% | 39.86M shares | |
| remainder | |||
82.72M company shares as of Aug 21, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
This quarter's institutional total failed a plausibility check; shown: the largest filers plus last quarter's remainder.
Top shareholders13F · 13D/G · Form 4
| Holder | Stake | Shares | Date |
|---|---|---|---|
Roberto Marco SellaInsider10 percent owner | 15.02% | 12.42M | filed Jan 22, 2026 |
Simon IrishInsiderdirector, officer: Chief Executive Officer | 6.18% | 5.11M | filed Nov 7, 2025 |
Vanguard Capital Management LLCInstitution | 4.13% | 3.41M | as of Jun 30, 2026 |
Shawn MatthewsInsiderdirector | 3.98% | 3.29M | filed Nov 13, 2025 |
Exchange Traded Concepts, LLCInstitution | 2.61% | 2.16M | as of Jun 30, 2026 |
Insider tradesForm 4
No open-market trades in the last 12 months.
- GE Vernova
BWRX-300 SMRs for utility-scale low-carbon generation
- NuScale Power
Modular nuclear plants for grid power and industrial heat
- X-energy
High-temperature SMRs and fuel for industrial and large-load demand
- Oklo
Advanced fast-fission powerhouses for clean firm power
Compare
| Company | Price | Change | |||||
|---|---|---|---|---|---|---|---|
| Terrestrial Energy | $4.64 | +3.13% | $372.2M | — | — | — | — |
| GE Vernova | $953.51 | +0.77% | $252.01B | 27.2 | 46.3 | 6.1 | +21.9% |
| NuScale Power | $8.89 | +1.10% | $2.62B | — | — | 245.5 | −99.1% |
| X-energy | $16.31 | −0.35% | $359.3M | — | — | — | — |
| Oklo | $40.98 | +1.99% | $6.99B | — | — | 5,777.7 | — |
| Median | 27.2 | 46.3 | 245.5 | −38.6% |






