IMSR · NASDAQ · Regulated Electric

Terrestrial Energy

Develops IMSR molten-salt plants for low-carbon power and industrial heat.

$5.11
After-hours close+0.03 (+0.49%)
At close$5.09(−7.38%)
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Profile

Terrestrial Energy Inc.IMSRUtilities

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

CEOSimon Irish
ListedOct 29, 2025
ExchangeNASDAQ
HeadquartersCharlotte, NC
CountryUnited States
Employees74
CIK0002019804
ISINUS8814541020

Key statistics

Market cap$421.9M
EPS (ttm)−$0.4208
P/E (ttm)−12.12
ROE-18.0%
P/B1.92
P/S0.00
Dividend yield
Beta4.62vs XLU 0.03

Year to date −22.1% · Average volume (30d) 1.6M

Analysts

No analyst consensus on record.

Earnings

EPS

Estimate−$0.18
Reported−$0.09+48.6%

Revenue

Estimate
Reported

History

Report dateEPS estEPSSurpriseRevenue estRevenueSurpriseNext session
Aug 11, 2026Q2 FY26−$0.18−$0.09+48.6%+4.04%
May 14, 2026Q1 FY26−$0.09−$0.10−11.1%−10.43%
Mar 30, 2026Q4 FY25−$0.20−$0.39−95.0%+8.68%
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Financial highlights

9 quartersQ1 FY25Q2 FY25Q3 FY25Q4 FY25Q1 FY26Q2 FY26
Revenue$0$0$0$0$0$0
Gross profit$0$0$0−$1.2M−$61.0K−$145.0K
Operating income−$4.9M−$5.2M−$1.6M−$21.0M−$11.9M−$11.7M
Net income−$5.7M−$6.2M$1.9M−$31.2M−$10.5M−$9.4M
Diluted EPS−$0.06−$0.07$0.07−$0.30−$0.10−$0.09
Gross margin
Operating margin

Fiscal years (4-quarter sums)FY25 $0

Balance sheet, Jun 30, 2026Cash & short-term investments $273.5M · Total debt $3.9M · Total assets $289.9M · Shareholders' equity $281.7M

Dividends

No dividends on record.

Ownership

Institutions 22.54%18.64M sharesInsiders 10.36%8.57M sharesOther 67.10%55.51M shares

Shares outstanding 82.72M · Float 1.18M · 1.4% free float

Top shareholders13F · 13D/G · Form 4

HolderShares% outstandingFormFiled
Sella Roberto Marco · 10 percent owner12.42M15.02%Form 4Jan 22, 2026
Simon Irish · director, officer: Chief Executive Officer5.11M6.18%Form 4Nov 7, 2025
Shawn Matthews · director3.29M3.98%Form 4Nov 13, 2025
Exchange Traded Concepts, LLC2.09M2.53%13FApr 15, 2026
Vanguard Capital Management LLC1.30M1.58%13FMay 15, 2026

Insider tradesForm 4

No open-market trades in the last 12 months.

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Peers

  • 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

CompareAfter-hours close

CompanyPriceChange
Terrestrial Energy$5.11+0.49%$421.9M
GE Vernova$914.10+0.30%$242.88B26.243.55.9+21.9%
NuScale Power$9.28+0.05%$2.77B259.1−99.1%
X-energy$17.35+0.75%$378.0M2.5
Oklo$40.35+0.57%$6.98B5,771.9
Median26.243.5132.5−38.6%