What does Terrestrial Energy do?

Oakville, Ontario developer of the Integral Molten Salt Reactor (IMSR), a Generation IV design for electricity and industrial heat, listed on Nasdaq since October 2025 and running the Project Tetra test program in the DOE Reactor Pilot Program. Developing the Integral Molten Salt Reactor, a high-temperature design for power and industrial heat. Each statement links to the company disclosure that supports it.

Where does Terrestrial Energy sit in the nuclear value chain?

Terrestrial Energy is tracked under the reactor vendors and SMR developers stage as a small modular reactor developer. Pure play: Developer of the Integral Molten Salt Reactor; listed on Nasdaq in October 2025 after combining with HCM II Acquisition Corp. Pre-revenue.

Where does Terrestrial Energy stock trade?

Terrestrial Energy trades on the NASDAQ under the ticker IMSR. The market cap shown on this page is computed live from the primary listing.

Nuclear stocks / Reactor vendors and SMR developers / SMR developer

Terrestrial Energy

NASDAQ:IMSRCanada / United Stateswebsite

Terrestrial Energy is a small modular reactor developer listed on the NASDAQ as IMSR, with operations in Canada / United States, tracked under the reactor vendors and SMR developers stage.

Market cap

$326M

live · primary listing

Share price

$3.94

NASDAQ:IMSR · -79.0% 1y

Short interest

12.0%

of float

Segment

SMR developer

Canada / United States

Headline figures

0 of 1Reactor Pilot Program designs critical[1]

Project Tetra (Integral molten-salt reactor test program)site · 2026-06source

IMSR share price

US$3.75US$-14.120 (-79.02%)1Y

real · EODHD end-of-day closes, primary listingyellowcakeanalytics.com

What they do

Developing the Integral Molten Salt Reactor, a high-temperature design for power and industrial heat.
Project Tetra, its integral molten-salt test program, is tracked in the DOE Reactor Pilot Program. (2026-06)

Pre-revenue; financial columns show dashes by design. Operator: verify the EODHD symbol IMSR.US resolves on the new listing.

Pure play: Developer of the Integral Molten Salt Reactor; listed on Nasdaq in October 2025 after combining with HCM II Acquisition Corp. Pre-revenue.

On this site

Reactor Pilot Program race →

Project TetraIntegral molten-salt reactor test program · Texas A&M RELLIS campus · site 2026-06source

Guides

Beyond SMRs: Molten Salt, TRISO & Microreactor Stocks

Frequently asked questions

What does Terrestrial Energy do?: Oakville, Ontario developer of the Integral Molten Salt Reactor (IMSR), a Generation IV design for electricity and industrial heat, listed on Nasdaq since October 2025 and running the Project Tetra test program in the DOE Reactor Pilot Program. Developing the Integral Molten Salt Reactor, a high-temperature design for power and industrial heat. Each statement links to the company disclosure that supports it.
Where does Terrestrial Energy sit in the nuclear value chain?: Terrestrial Energy is tracked under the reactor vendors and SMR developers stage as a small modular reactor developer. Pure play: Developer of the Integral Molten Salt Reactor; listed on Nasdaq in October 2025 after combining with HCM II Acquisition Corp. Pre-revenue.
Where does Terrestrial Energy stock trade?: Terrestrial Energy trades on the NASDAQ under the ticker IMSR. The market cap shown on this page is computed live from the primary listing.

Real

Figures on this page come from the cited disclosures and datasets; the tracker methodology explains stages, materiality tiers and staleness rules. Prices refresh hourly. Informational only, not investment advice.

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