Tearsheet

Terrestrial Energy (IMSR)


Market Price (3/30/2026): $6.1 | Market Cap: $559.4 Mil
Sector: Utilities | Industry: Electric Utilities

Terrestrial Energy (IMSR)


Market Price (3/30/2026): $6.1
Market Cap: $559.4 Mil
Sector: Utilities
Industry: Electric Utilities

Investment Highlights Why It Matters Detailed financial logic regarding cash flow yields vs trend-riding momentum.

0 Megatrend and thematic drivers
Megatrends include Datacenter Power, Hydrogen Economy, and Energy Transition & Decarbonization. Themes include Mini Nuclear, Show more.
Weak multi-year price returns
2Y Excs Rtn is -83%, 3Y Excs Rtn is -123%
Not profitable at operating income level
Op Inc LTMOperating Income, Last Twelve Months is -15 Mil, Op Mgn LTMOperating Margin = Operating Income / Revenue Reflects profitability before taxes and before impact of capital structure (interest payments). is -12072%
1   Expensive valuation multiples
P/SPrice/Sales ratio is 4,408x
2   Significant share based compensation
SBC/Rev LTMShare Based Compensation / Revenue (Sales), Last Twelve Months (LTM) is 568%
3   Not cash flow generative
CFO/Rev LTMCash Flow from Operations / Revenue (Sales), Last Twelve Months (LTM) is -8232%, FCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is -8895%
4   Yield minus risk free rate is negative
ERPEquity Risk Premium (ERP) = Total Yield - Risk Free Rate, Reflects the premium above risk free assets offered by the investment. is -7.3%
5   High stock price volatility
Vol 12M is 120%
6   Key risks
IMSR key risks include [1] obtaining regulatory approval for its commercially unproven molten salt reactor technology and [2] its pre-revenue financial status, Show more.
0 Megatrend and thematic drivers
Megatrends include Datacenter Power, Hydrogen Economy, and Energy Transition & Decarbonization. Themes include Mini Nuclear, Show more.
1 Weak multi-year price returns
2Y Excs Rtn is -83%, 3Y Excs Rtn is -123%
2 Not profitable at operating income level
Op Inc LTMOperating Income, Last Twelve Months is -15 Mil, Op Mgn LTMOperating Margin = Operating Income / Revenue Reflects profitability before taxes and before impact of capital structure (interest payments). is -12072%
3 Expensive valuation multiples
P/SPrice/Sales ratio is 4,408x
4 Significant share based compensation
SBC/Rev LTMShare Based Compensation / Revenue (Sales), Last Twelve Months (LTM) is 568%
5 Not cash flow generative
CFO/Rev LTMCash Flow from Operations / Revenue (Sales), Last Twelve Months (LTM) is -8232%, FCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is -8895%
6 Yield minus risk free rate is negative
ERPEquity Risk Premium (ERP) = Total Yield - Risk Free Rate, Reflects the premium above risk free assets offered by the investment. is -7.3%
7 High stock price volatility
Vol 12M is 120%
8 Key risks
IMSR key risks include [1] obtaining regulatory approval for its commercially unproven molten salt reactor technology and [2] its pre-revenue financial status, Show more.

Valuation, Metrics & Events

Price Chart

Why The Stock Moved

Qualitative Assessment

AI Analysis | Feedback

Terrestrial Energy (IMSR) stock has lost about 35% since 11/30/2025 because of the following key factors:

1. Persistent negative market reaction to investor communications and lack of new material disclosures

Despite Terrestrial Energy's participation in investor conferences in December 2025 and January 2026, these events often led to stock declines, including drops of 4.0%, 5.93%, and 10.98%. Similarly, a letter to stockholders from CEO Simon Irish on January 29, 2026, summarizing 2025 accomplishments and outlining 2026 milestones, resulted in an 11.19% decline, as it was perceived to offer no new material disclosures.

2. Pre-revenue status and inherent development and regulatory risks

Terrestrial Energy remains a pre-revenue company, which carries inherent risks. The company is developing its Integral Molten Salt Reactor (IMSR) technology, which is commercially unproven and requires extensive regulatory approval. This ongoing development phase, coupled with lagging behind better-funded competitors already in the construction phase, contributes to investor uncertainty and downward pressure on the stock.

Show more

Stock Movement Drivers

Fundamental Drivers

The -36.3% change in IMSR stock from 11/30/2025 to 3/29/2026 was primarily driven by a 0.0% change in the company's Shares Outstanding (Mil).
(LTM values as of)113020253292026Change
Stock Price ($)9.446.01-36.3%
Change Contribution By: 
Total Revenues ($ Mil)0.0%
Net Income Margin (%)0.0%
P/E Multiple0.0%
Shares Outstanding (Mil)92920.0%
Cumulative Contribution0.0%

LTM = Last Twelve Months as of date shown

Market Drivers

11/30/2025 to 3/29/2026
ReturnCorrelation
IMSR-36.3% 
Market (SPY)-5.3%46.1%
Sector (XLU)1.4%7.3%

Fundamental Drivers

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Market Drivers

8/31/2025 to 3/29/2026
ReturnCorrelation
IMSR  
Market (SPY)0.6%43.8%
Sector (XLU)9.7%13.8%

Fundamental Drivers

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Market Drivers

2/28/2025 to 3/29/2026
ReturnCorrelation
IMSR  
Market (SPY)9.8%43.8%
Sector (XLU)18.4%13.8%

Fundamental Drivers

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Market Drivers

2/28/2023 to 3/29/2026
ReturnCorrelation
IMSR  
Market (SPY)69.4%43.8%
Sector (XLU)53.8%13.8%

Return vs. Risk

Price Returns Compared

 202120222023202420252026Total [1]
Returns
IMSR Return-----60%6%-58%
Peers Return-7%9%-9%221%74%-2%402%
S&P 500 Return27%-19%24%23%16%-5%72%

Monthly Win Rates [3]
IMSR Win Rate----0%33% 
Peers Win Rate36%53%53%68%60%53% 
S&P 500 Win Rate75%42%67%75%67%33% 

Max Drawdowns [4]
IMSR Max Drawdown-----60%0% 
Peers Max Drawdown-13%-8%-28%-28%-20%-13% 
S&P 500 Max Drawdown-1%-25%-1%-2%-15%-5% 


[1] Cumulative total returns since the beginning of 2021
[2] Peers: SMR, OKLO, GEV, BWXT, NNE.
[3] Win Rate = % of calendar months in which monthly returns were positive
[4] Max drawdown represents maximum peak-to-trough decline within a year
[5] 2026 data is for the year up to 3/27/2026 (YTD)

How Low Can It Go

IMSR has limited trading history. Below is the Utilities sector ETF (XLU) in its place.

Unique KeyEventXLUS&P 500
2022 Inflation Shock2022 Inflation Shock  
2022 Inflation Shock% Loss% Loss-28.1%-25.4%
2022 Inflation Shock% Gain to Breakeven% Gain to Breakeven39.0%34.1%
2022 Inflation ShockTime to BreakevenTime to Breakeven347 days464 days
2020 Covid Pandemic2020 Covid Pandemic  
2020 Covid Pandemic% Loss% Loss-36.7%-33.9%
2020 Covid Pandemic% Gain to Breakeven% Gain to Breakeven58.0%51.3%
2020 Covid PandemicTime to BreakevenTime to Breakeven633 days148 days
2018 Correction2018 Correction  
2018 Correction% Loss% Loss-16.4%-19.8%
2018 Correction% Gain to Breakeven% Gain to Breakeven19.6%24.7%
2018 CorrectionTime to BreakevenTime to Breakeven308 days120 days
2008 Global Financial Crisis2008 Global Financial Crisis  
2008 Global Financial Crisis% Loss% Loss-48.8%-56.8%
2008 Global Financial Crisis% Gain to Breakeven% Gain to Breakeven95.2%131.3%
2008 Global Financial CrisisTime to BreakevenTime to Breakeven2,058 days1,480 days

Compare to SMR, OKLO, GEV, BWXT, NNE

In The Past

SPDR Select Sector Fund's stock fell -28.1% during the 2022 Inflation Shock from a high on 9/12/2022. A -28.1% loss requires a 39.0% gain to breakeven.

Preserve Wealth

Limiting losses and compounding gains is essential to preserving wealth.

Asset Allocation

Actively managed asset allocation strategies protect wealth. Learn more.

About Terrestrial Energy (IMSR)

We are a blank check company incorporated on April 4, 2024 as a Cayman Islands exempted company and formed for the purpose of effecting a merger, amalgamation, share exchange, asset acquisition, share purchase, reorganization or similar business combination with one or more businesses, which we refer to throughout this prospectus as our initial business combination. We have not selected any business combination target and we have not, nor has anyone on our behalf, initiated any substantive discussions, directly or indirectly, with any business combination target. We may pursue an initial business combination target in any business or industry or at any stage of its corporate evolution. Our primary focus, however, will be in completing a business combination with an established business of scale poised for continued growth, led by a highly regarded management team. Our management team has an extensive track record of acquiring attractive assets at disciplined valuations, investing in growth while fostering financial discipline and improving business results. Our executive offices are located at 100 First Stamford Place, Suite 330 Stamford, CT.

AI Analysis | Feedback

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AI Analysis | Feedback

  • Facilitating a Business Combination: Terrestrial Energy operates as a blank check company whose primary purpose is to identify and complete a merger, acquisition, or similar business combination with one or more private businesses.

AI Analysis | Feedback

Based on the provided company description, Terrestrial Energy (symbol: IMSR) is a blank check company (SPAC). As a blank check company, it has not yet engaged in any business operations or identified an acquisition target. Therefore, it does not currently have any major customers, as it does not sell products or services.

AI Analysis | Feedback

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Shawn Matthews, Chairman and Chief Executive Officer

Mr. Matthews has served as Chairman and CEO of HCM II Acquisition Corp. since its inception. He is also the founder and Chief Investment Officer of Hondius Capital Management, a global asset management firm specializing in macro strategies, which he founded in 2019. Prior to founding Hondius Capital Management, he was the CEO and President of Cantor Fitzgerald & Co. from 2009 to 2018, overseeing more than 100 affiliated entities in financial services and fintech. His career at Cantor Fitzgerald, which he joined in 2005, included senior roles such as Head of Capital Markets and Head of Mortgage Trading. Mr. Matthews has a track record of launching special purpose acquisition companies (SPACs), including HCM Acquisition Corp. and HCM III Acquisition Corp., through Hondius Capital Management. Before his time at Cantor, he held positions at Wertheim Schroder & Co. and founded both a broker-dealer, West Side Capital, and a hedge fund, Alchemist Capital Management.

Steven Bischoff, President and Chief Financial Officer

Mr. Bischoff served as President, Chief Financial Officer, and Director at HCM II Acquisition Corp. He currently holds positions as Chief Executive Officer at Zenith Securities LLC, Chief Financial & Accounting Officer at HCM III Acquisition Corp., and Executive Vice President at Atlantic Home Loans, Inc. He is also slated to become Chief Financial Officer at HCM IV Acquisition Corp. starting in 2025. His extensive career includes former roles such as Partner & Managing Director at Amherst Securities Group LP, Managing Director at GMAC ResCap, Partner & Managing Director at National Alliance Capital Markets, Independent Director at HCM Acquisition Corp., and Chief Operating Officer at Cantor Fitzgerald & Co. Mr. Bischoff was also Head of Asset Management and Investment Banking at NatAlliance Securities and is noted as a founder, Board Member, and Managing Director at Amherst Securities.

AI Analysis | Feedback

Terrestrial Energy (IMSR), a nuclear technology company focused on developing the Integral Molten Salt Reactor (IMSR), faces significant risks as it works towards commercializing its advanced reactor technology. The primary key risks to Terrestrial Energy's business include:
  1. Development and Commercialization Risk: Terrestrial Energy is an early-stage company that has not yet constructed a commercial IMSR plant and lacks binding contracts with customers. Its financial reports show minimal revenue, substantial losses, and limited cash reserves, underscoring a high reliance on future capital infusions and successful execution of its business plan. The company's projections depend entirely on future sales of engineering services, reactor components, and fuel, making its ability to transition from development to a revenue-generating entity its most critical challenge.
  2. Regulatory and Licensing Risk: The nuclear industry is subject to extensive and complex regulatory frameworks. While Terrestrial Energy has achieved milestones such as the Canadian Nuclear Safety Commission's pre-licensing vendor design review and the U.S. NRC's approval of key safety mechanisms, the company's ability to navigate the full licensing process for commercial deployment remains a substantial hurdle. The lengthy and intricate nature of nuclear regulatory approvals poses a significant risk to the company's timeline and market entry.
  3. Construction and Operational Risks: Should Terrestrial Energy overcome regulatory challenges, it will still face considerable risks associated with the construction and operation of its IMSR plants. These include potential for significant construction delays, cost overruns, and the inherent complexities of deploying novel nuclear technology. Additionally, the company must contend with competition from established and emerging energy sources, as well as the broader public perception and acceptance of nuclear power.

AI Analysis | Feedback

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AI Analysis | Feedback

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AI Analysis | Feedback

Terrestrial Energy (NASDAQ: IMSR) is a pre-revenue company focused on developing and commercializing its Integral Molten Salt Reactor (IMSR) technology, a Generation IV nuclear reactor. While commercial plant operations and significant revenue generation are projected for the early 2030s, the company's future revenue growth over the next 2-3 years will be driven by crucial milestones that advance its technology towards deployment. Here are 3-5 expected drivers of future revenue growth for Terrestrial Energy (IMSR) over the next 2-3 years:
  1. Advancement in Regulatory Design Certification: A primary driver for future revenue will be achieving full regulatory design certification from key bodies such as the U.S. Nuclear Regulatory Commission (NRC) and the Canadian Nuclear Safety Commission (CNSC). This certification is a prerequisite for securing customer contracts and project financing, making progress in this area critical for enabling eventual revenue streams.
  2. Securing First-of-a-Kind (FOAK) Commercial Contracts and Project Commitments: Although full plant commissioning is anticipated in the early 2030s, securing initial binding contracts or strong project commitments for IMSR plant deployment within the next 2-3 years will be a significant indicator of future revenue potential. Such agreements demonstrate market acceptance and commercial viability, laying the groundwork for revenue from plant construction, fuel supply, and operational services. For example, Texas A&M University has already partnered with Terrestrial Energy for the construction of a commercial IMSR plant.
  3. Expansion into Diverse High-Growth Market Applications: Terrestrial Energy is strategically targeting applications beyond traditional electric power generation, including data center power supply, industrial heat and power, and the production of low-carbon fuels and materials. Successfully engaging with and securing early agreements or pilot projects in these high-demand sectors over the next 2-3 years would significantly broaden the company’s potential revenue base for when its plants become operational.
  4. Development of its Build-Own-Operate Business Model and Recurring Revenue Streams: The company plans to implement a capital-efficient build-own-operate business model, which envisions four distinct recurring revenue streams over the 50+ year lifecycle of an IMSR plant. These include engineering and construction services, the supply of critical components (such as replacement IMSR core-units every seven years and IMSR fuel), and operating, maintenance, and decommissioning services. Progress in formalizing these service offerings and securing preliminary agreements or partnerships related to these streams in the near term will be crucial for establishing sustainable, long-term revenue.

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Share Issuance

  • 47,741,728 new common shares were issued to the securityholders of the legacy Terrestrial Energy company as part of the business combination.
  • 5,000,000 common shares were issued to private investors through a PIPE (Private Investment in Public Equity) transaction at $10.00 per share.
  • The total outstanding common shares post-transaction was approximately 105 million.

Inbound Investments

  • The company received $50 million from a Private Investment in Public Equity (PIPE) in connection with the SPAC merger.
  • The business combination with HCM II Acquisition Corp. generated gross proceeds exceeding $292 million, including the PIPE investment and approximately $242 million from the SPAC's trust account after minimal redemptions.
  • Prior to the SPAC merger, Terrestrial Energy (the operating company before becoming public via the SPAC) had raised $94 million.

Capital Expenditures

  • The company's capital expenditure is primarily directed towards research, engineering, and pre-licensing activities for its Integral Molten Salt Reactor (IMSR) technology.
  • Terrestrial Energy is a pre-revenue company focused on developing its proprietary IMSR technology, rather than operating income-generating assets.
  • The capital raised from the SPAC merger (exceeding $292 million) is intended to accelerate the commercial deployment of its IMSR nuclear technology, with the first plants projected for the early 2030s.

Trade Ideas

Select ideas related to IMSR.

Unique KeyDateTickerCompanyCategoryTrade Strategy6M Fwd Rtn12M Fwd Rtn12M Max DD
CTRI_12122025_Insider_Buying_GTE_1Mil_EBITp+DE_V212122025CTRICenturiInsiderInsider Buys | Low D/EStrong Insider Buying
Companies with strong insider buying in the last 1 month, positive operating income and reasonable debt / market cap
16.6%16.6%-5.5%
PEG_11212025_Monopoly_xInd_xCD_Getting_Cheaper11212025PEGPublic Service EnterpriseMonopolyMY | Getting CheaperMonopoly-Like with P/S Decline
Large cap with monopoly-like margins or cash flow generation and getting cheaper based on P/S multiple
6.8%6.8%-4.0%
PCG_9262025_Dip_Buyer_ValueBuy09262025PCGPG&EDip BuyDB | P/E OPMDip Buy with Low PE and High Margin
Buying dips for companies with tame PE and meaningfully high operating margin
27.5%27.5%-0.8%
AES_9052025_Dip_Buyer_ValueBuy09052025AESAESDip BuyDB | P/E OPMDip Buy with Low PE and High Margin
Buying dips for companies with tame PE and meaningfully high operating margin
36.9%36.9%-3.2%
BWXT_8312025_Quality_Momentum_RoomToRun_10%08312025BWXTBWX TechnologiesQualityQ | Momentum | UpsideQuality Stocks with Momentum and Upside
Buying quality stocks with strong momentum but still having room to run
27.3%27.3%-1.2%

Recent Active Movers

Peer Comparisons

Peers to compare with:

Financials

IMSRSMROKLOGEVBWXTNNEMedian
NameTerrestr.NuScale .Oklo GE Verno.BWX Tech.Nano Nuc. 
Mkt Price6.0110.3050.23853.16202.5920.2935.26
Mkt Cap0.63.37.9229.518.51.05.6
Rev LTM031038,0683,198016
Op Inc LTM-15-690-1391,391325-54-34
FCF LTM-11-460-1153,710295-27-19
FCF 3Y Avg--251-1,951254-14120
CFO LTM-10-460-824,987480-20-15
CFO 3Y Avg--251-2,919417-12203

Growth & Margins

IMSRSMROKLOGEVBWXTNNEMedian
NameTerrestr.NuScale .Oklo GE Verno.BWX Tech.Nano Nuc. 
Rev Chg LTM--15.0%-9.0%18.3%-9.0%
Rev Chg 3Y Avg-46.9%--12.8%-29.8%
Rev Chg Q--94.7%-3.8%18.7%-3.8%
QoQ Delta Rev Chg LTM--50.7%-1.1%4.6%-1.1%
Op Mgn LTM-12,071.6%-2,190.6%-3.7%10.1%--1,093.5%
Op Mgn 3Y Avg--1,257.7%-0.7%11.9%-0.7%
QoQ Delta Op Mgn LTM--1,206.6%--0.0%-0.7%--0.7%
CFO/Rev LTM-8,232.4%-1,460.1%-13.1%15.0%--723.5%
CFO/Rev 3Y Avg--852.3%-8.0%14.9%-8.0%
FCF/Rev LTM-8,894.8%-1,461.4%-9.7%9.2%--726.1%
FCF/Rev 3Y Avg--855.2%-5.3%9.1%-5.3%

Valuation

IMSRSMROKLOGEVBWXTNNEMedian
NameTerrestr.NuScale .Oklo GE Verno.BWX Tech.Nano Nuc. 
Mkt Cap0.63.37.9229.518.51.05.6
P/S4,408.1104.2-6.05.8-55.1
P/EBIT-34.1-4.8-56.5165.041.9-18.8-11.8
P/E-29.6-9.2-74.547.056.4-23.2-16.2
P/CFO-53.5-7.1-95.846.038.7-49.6-28.4
Total Yield-3.4%-10.8%-1.3%2.2%2.3%-4.3%-2.4%
Dividend Yield0.0%0.0%0.0%0.1%0.5%0.0%0.0%
FCF Yield 3Y Avg--29.6%--2.5%--13.6%
D/E0.00.00.00.00.10.00.0
Net D/E-0.0-0.4-0.2-0.00.1-0.6-0.1

Returns

IMSRSMROKLOGEVBWXTNNEMedian
NameTerrestr.NuScale .Oklo GE Verno.BWX Tech.Nano Nuc. 
1M Rtn-12.9%-19.8%-20.2%-2.3%-1.5%-23.7%-16.4%
3M Rtn-12.4%-30.6%-34.7%28.8%15.3%-28.8%-20.6%
6M Rtn-61.1%-72.9%-54.6%41.2%12.5%-48.4%-51.5%
12M Rtn-61.1%-31.2%124.3%182.5%105.5%-24.2%40.7%
3Y Rtn-61.1%16.6%395.1%511.7%233.2%290.9%262.1%
1M Excs Rtn-12.3%-14.9%-19.5%5.2%5.7%-19.0%-13.6%
3M Excs Rtn-6.5%-27.8%-30.1%36.1%22.6%-24.9%-15.7%
6M Excs Rtn-57.5%-69.1%-54.3%44.3%18.9%-47.4%-50.8%
12M Excs Rtn-72.6%-51.3%79.0%157.8%87.8%-42.3%18.3%
3Y Excs Rtn-122.9%-42.3%334.6%449.9%179.7%229.2%204.4%

Comparison Analyses

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Financials

Segment Financials

Revenue by Segment
$ Mil2024
Engineering services revenue0
Total0


Short Interest

Short Interest: As Of Date3132026
Short Interest: Shares Quantity3.3 Mil
Short Interest: % Change Since 2282026-10.6%
Average Daily Volume1.2 Mil
Days-to-Cover Short Interest2.8 days
Basic Shares Quantity91.7 Mil
Short % of Basic Shares3.6%

Earnings Returns History

Expand for More
 Forward Returns
Earnings Date1D Returns5D Returns21D Returns
SUMMARY STATS   
# Positive000
# Negative000
Median Positive   
Median Negative   
Max Positive   
Max Negative   

SEC Filings

Expand for More
Report DateFiling DateFiling
06/30/202509/26/2025424B3
03/31/202507/17/2025S-4