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NASDAQ · Utilities - Regulated Electric · USD

Terrestrial Energy Inc. (IMSR) Stock Analysis

Terrestrial Energy Inc. (IMSR) is a Utilities - Regulated Electric stock listed on NASDAQ and quoted in US Dollar.

Last Updated: October 21, 2026

IMSR

$2.94

+$0.14 (+5.00%)

Oct 21, 2026 · Market close

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Price History

Hover for the daily close. The dotted line marks the period open.

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IMSR Key Statistics

As of Oct 21, 2026
Trading
Open
$2.99
Previous Close
$2.80
Day's Range
2.90–3.11
52-Week Range
2.79–21.60
Volume
1.79M
BetaHow much the share price moves relative to the wider market. 1.0 moves in line with it; above 1.0 swings more, below 1.0 less.
2.52
Valuation
Market Cap
$311.45M
P/E Ratio
unprofitable
EPS (ttm)Profit attributable to each share over the last twelve months.
−0.37
Financials (FY)
Revenue (FY)
$0.00−100.00%
Net Income (FY)
−$28.02M
Shares OutstandingThe total number of shares held by all investors. Market value is this figure multiplied by the share price.
82.72M
1-Year Return
−84.68%
Dividend and dates
Earnings Date
November 9, 2026estimated
Avg Volume
1.54M

Only metrics the company reports are shown. Data provided by Yahoo Finance via yfinance. Updated daily.

Key facts

As of October 21, 2026, IMSR closed at $2.94, −84.68% over 1 year.

Terrestrial Energy Inc. (IMSR) has a market capitalization of $311.45M.

In fiscal 2025, IMSR reported revenue of $0.00.

IMSR Stock Return by Calendar Year

Terrestrial Energy Inc. (IMSR) return since Oct 2024: what $10,000 became

1 year
$10,000 $1,532
−84.68%
Since Oct 2024
$10,000 $2,949
−70.51%

If you had invested $10,000 in Terrestrial Energy Inc. (IMSR) at the close on October 10, 2024, the earliest close on record here, it would have been worth $2,949 at the close on October 21, 2026: −70.51% in total, −45.22% a year, over a partial period shorter than 10 years. A historical calculation from closing prices adjusted for splits and dividends, before fees and taxes.

Calendar-year returns computed from daily closing prices. Partial years are shown muted and marked with an asterisk.

YearReturn
2026 (partial year)−51.88%
2025−39.02%
2024 (partial year)+0.50%

As of October 21, 2026.

IMSR Revenue and Earnings by Fiscal Year

FY ends December
Fiscal yearRevenueNet incomeNet margin
2025$0.00−$28.02M—
2024$248.36K−$11.49M−4,624.6%
2023$18.61K−$13.91M−74,720.4%
Fiscal yearRevenueGross profitOperating incomeNet incomeNet margin
2025$0.00—−$24.87M−$28.02M—
2024$248.36K—−$9.65M−$11.49M−4,624.6%
2023$18.61K—−$13.82M−$13.91M−74,720.4%

Annual figures as reported, in the company's reporting currency. As of December 31, 2025.

Recent News

All 17 articles ↓

News provided by third-party sources. Not financial advice.

Analysis

Data-derived

Company Overview

The market values Terrestrial Energy Inc. (IMSR) at $311.45M. The company sits in the Utilities sector, in the Utilities - Regulated Electric industry. The company reports 74 employees.

The most recent close on file for IMSR is $2.94, dated October 21, 2026. That is +$0.14 (+5.00%) against the previous close. The 52-week range on file runs from $2.79 to $21.60. The latest close sits 5.38% above that 52-week low.

Financial Health

Fiscal 2025 revenue came to $0.00. That is −100.00% against the prior fiscal year, when revenue was $248.36K. The same year closed with a net loss of $28.02M. Trailing earnings per share are −0.37.

Across the 3 fiscal years on file, revenue moves from $18.61K in 2023 to $0.00 in 2025. Of those 3 years, 0 report positive net income.

Valuation Assessment

The record shows negative trailing earnings, so no price-to-earnings ratio is published.

Beta against the wider market is reported at 2.52. Daily returns over the trailing 2 years annualize to a volatility of 83.55%. The trailing one-year total return is −84.68%. The stored price history starts on October 10, 2024, and the total return since then is −70.51%.

Growth & Income

No dividend is on file for IMSR.

The record holds one complete calendar year, 2025, which returned −39.02%. 2026 is still running; the total return is −51.88% year to date.

Peer Comparison

Terrestrial Energy Inc. (IMSR) operates in the Utilities - Regulated Electric industry. Here is how it compares to its closest peers by market capitalization:

Company Ticker Market Cap P/E Ratio
Terrestrial Energy Inc. IMSR $311.45M —
NextEra Energy, Inc. NEE $163.29B 17.6
The Southern Company SO $103.98B 21.8
Duke Energy Corporation DUK $94.09B 18.2

The Utilities - Regulated Electric industry average P/E ratio is 19.9x. Terrestrial Energy Inc. has no P/E ratio because it is not currently profitable.

Every figure above is read from this page's own data on each daily rebuild. Informational only, not financial advice. As of October 21, 2026.

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About Terrestrial Energy Inc.

Terrestrial Energy Inc. engages in the development of small modular nuclear plants using its generation IV integral molten salt reactor (IMSR). The IMSR captures the transformative operating benefits of molten salt reactor technology in a plant design of nuclear energy supply. The company uses a plant design together with molten salt reactor technology and uranium in its fuel for a nuclear plant. Terrestrial Energy Inc. was founded in 2013 and is headquartered in Charlotte, North Carolina.

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