Terrestrial Energy Inc. - Common Stock (NQ:IMSR)

Terrestrial Energy Announces Share Repurchase Program

October 27, 2026

Terrestrial Energy Appoints Nuclear Power Veteran David Williams as Chief Commercial Officer

Performance

52-Week Range 83.2% below 52-week high

2.750

2.7052W Low 16.3852W High

1 Week 24.7% below 1-week high

2.841W Low 3.651W High

Terrestrial Energy Inc. - Common Stock (IMSR) traded between $2.70 and $16.38 over the past 52 weeks and last traded at $2.75, 83.2% below its 52-week high. Over the past week it ranged between $2.84 and $3.65.

Past 12 Months

-17.9%

-26.7%

-49.0%

-61.8%

-57.9%

-82.2%

1W -$0.60

1M -$1.00

3M -$2.64

6M -$4.44

YTD -$3.78

1Y -$12.70

IMSR was -82.2% over the past year, -61.8% over six months, -57.9% year to date, -17.9% in the last week.

12 Months vs Market

IMSR

-82.2%

DIA

+12.5%

SPY

+12.5%

QQQ

+9.9%

IWM

+15.7%

Over the past 12 months IMSR returned -82.2% versus DIA (Dow) +12.5%, SPY (S&P 500) +12.5%, QQQ (Nasdaq 100) +9.9% and IWM (Russell 2000) +15.7%.

Volume & Liquidity 0.70× 3-mo avg

Today 1,027,300 3-mo avg 1.5M

2.0M

1.8M

1.5M

2.1M

YTD

2.4M

2.3M

IMSR most recently traded 1,027,300 shares against a 3-month average daily volume of 1.5M.

More News

October 20, 2026

Terrestrial Energy Submits Topical Report to NRC to Confirm IMSR Plant’s Thermal and Electric Facility Can Be Built and Operated Ahead of Nuclear Licensing

Terrestrial Energy Eyes Scalable IMSR Deployment With Standard Uranium Fuel ↗

October 09, 2026

Via MarketBeat

Terrestrial Energy (NASDAQ:IMSR) Beats Q1 Estimates with Narrower-Than-Expected Loss ↗

May 14, 2026

Via Chartmill

October 08, 2026

Ameresco and Terrestrial Energy to Deliver IMSR Advanced Nuclear Power to U.S. Army’s Aberdeen Proving Ground

September 21, 2026

Terrestrial Energy Submits Graphite Topical Report to NRC, Advancing IMSR Plant Regulatory Program

September 10, 2026

Terrestrial Energy (IMSR) Q2 2026 Earnings Call Transcript ↗

August 11, 2026

Terrestrial Energy Q2 Earnings Call Highlights ↗

August 11, 2026

Via MarketBeat

Terrestrial Energy Reports Second Quarter 2026 Results

August 11, 2026

Terrestrial Energy Appoints Senior Industry Executive Pamela Cowan as EVP of Engineering

July 30, 2026

Terrestrial Energy Board Adds Industry Veteran Kathryn McCarthy; Announces Second Quarter 2026 Earnings Release and Conference Call Date

July 28, 2026

Terrestrial Energy and Zachry Group Sign Engineering Services Agreement Supporting IMSR Plant Development at Texas A&M-RELLIS

July 28, 2026

Terrestrial Energy and The Texas A&M University System Sign Agreements Advancing IMSR Commercial Deployment and R&D Projects at Texas A&M-RELLIS

June 18, 2026

How Riot Platforms Stock Gained 57% In May ↗

June 04, 2026

IMSR Q4 2025 Earnings Transcript ↗

May 27, 2026

IMSR Q1 2026 Earnings Call Transcript ↗

May 14, 2026

Terrestrial Energy Q1 Earnings Call Highlights ↗

May 14, 2026

Via MarketBeat

Terrestrial Energy Reports First Quarter 2026 Results

May 14, 2026

NRC Issues Safety Evaluation Report Approving Terrestrial Energy’s IMSR Postulated Initiating Events Topical Report

May 12, 2026

Terrestrial Energy Appoints Tyler Gronbach as Vice President of Investor Relations and Public Relations

May 07, 2026

Terrestrial Energy and Riot Platforms Launch Collaboration to Develop Nuclear-Powered Large-Scale Data Center Projects

Riot Platforms Stock Is Flying Today: What's Happening? ↗

May 06, 2026

Via Benzinga

May 06, 2026

Terrestrial Energy Announces First Quarter 2026 Earnings Release and Conference Call Date

April 30, 2026