ISOU on NYSE

IsoEnergy Ltd.

IsoEnergy Ltd. is a Canadian miscellaneous metal ores company based in Toronto, active since 2016.2 Its shares trade on NYSE under the symbol ISOU.2

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Last updated Oct 20, 2026.

Overview

-1.1MNet income, fiscal 20253

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  • TickerISOU on NYSE2
  • IndustryMiscellaneous Metal Ores2
  • HeadquartersToronto, Canada2
  • Incorporated inOntario, Canada4
  • Business address217 Queen Street West, Suite 401, Toronto, M5V 0R24
  • Filer category, Emerging growth company4
  • Legal formCorporation2
  • LEI5299000RYB4XC9F7VC322
  • StatusActive2
  • LEI statusIssued and current2
  • Registered address217 Queen Street West, M5V 0R2 Toronto, Canada2
  • Registered withMinistry of Government and Consumer Services, 10009303112

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Financials

From the company’s reports to the SEC. Every number links to the filing it came from.

Key numbers, fiscal 2025

-0.3%Return on equity3
-$13.3MFree cash flow3

Financial statements

Operating income3-$4.9M in 2025−89% since 2024
-$60.0M-$40.0M-$20.0M02024: -$44.1M-$44.1M20242025: -$4.9M-$4.9M2025−89%
Net income3-$1.1M in 2025−97% since 2024
-$60.0M-$40.0M-$20.0M02024: -$42.1M-$42.1M20242025: -$1.1M-$1.1M2025−97%

Every line of the income statement as filed: the last 2 fiscal years, latest first.3

Period ending2025-12-312024-12-31
Share-based compensation6.3M CAD5.3M CAD
Administrative salaries, contractor and director fees4.4M CAD5.1M CAD
Investor relations1.6M CAD897.1K CAD
Office and administrative1.1M CAD803.5K CAD
Professional and consultant fees3.9M CAD4.4M CAD
Travel646.4K CAD565.1K CAD
Public company costs1.3M CAD559.2K CAD
Total general and administrative costs-19.4M CAD-17.7M CAD
Interest income1.8M CAD2.4M CAD
Interest expense-144.3K CAD-128.5K CAD
Interest on convertible debentures-796.6K CAD-1.2M CAD
Fair value gain on convertible debentures709.7K CAD7.1M CAD
Gain on disposal of assets13.4M CAD5.3M CAD
Disposals and impairment of assets-935.8K CAD-40.0M CAD
Foreign exchange loss-77.6K CAD-75.6K CAD
Other loss-167.9K CAD
Other income709.9K CAD141.5K CAD
Loss from operations-4.9M CAD-44.1M CAD
Deferred income tax recovery3.8M CAD2.1M CAD
Loss from continuing operations-1.1M CAD-42.0M CAD
Loss from discontinued operations, net of tax-128.4K CAD
Loss for the period-1.1M CAD-42.1M CAD
Change in fair value of convertible debentures attributable to the change in credit risk15.2K CAD65.3K CAD
Change in fair value of marketable securities3.6M CAD-2.7M CAD
Currency translation adjustment-6.8M CAD12.5M CAD
Deferred tax recovery-493.9K CAD287.3K CAD
Total other comprehensive (loss) income-3.6M CAD10.2M CAD
Total comprehensive loss for the period-4.8M CAD-32.0M CAD
Basic-0.02 CAD-0.94 CAD
Diluted-0.04 CAD-1.02 CAD
Basic51.0M shares44.5M shares
Diluted51.7M shares47.4M shares

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Corporate structure

IsoEnergy Ltd. is part of a group headed by NexGen Energy. 2 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Major holders of IsoEnergy Ltd.

  • VAN ECK ASSOCIATES CORP Filed SCHEDULE 13G on IsoEnergy Ltd., latest Aug 14, 2026
  • Queen's Road Capital Investment Ltd. Filed SCHEDULE 13G/A on IsoEnergy Ltd., latest May 14, 2026 (2 filings since Aug 7, 2025)
  • NexGen Energy Vancouver, British Columbia, Canada
    • IsoEnergy Ltd. 50.6% · Toronto, Ontario, Canada

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

What it owns

What IsoEnergy Ltd. reports owning in its annual reports to the SEC: buildings, land and equipment, real estate and locations, investments, intangible assets and inventory, at the end of its latest fiscal year and a year before.

Property and equipment

ItemLatestA year beforeChange
Property and equipment, net15.8M CAD3 Dec 31, 202516.2M CAD3 Dec 31, 2024−2.6%

Investments

ItemLatestA year beforeChange
Cash and cash equivalents62.9M CAD3 Dec 31, 202521.3M CAD3 Dec 31, 2024+195.4%

Leadership

Named in SEC Form D filings

People the company listed in its private-offering notices.

  • Executive OfficerDan Brisbin named Jul 8, 2025 to Feb 9, 20265
  • Executive OfficerGraham du Preez named Jul 8, 2025 to Feb 9, 20265
  • Executive OfficerMarty Tunney named Jul 8, 2025 to Feb 9, 20265
  • Executive Officer, DirectorPhilip Williams named Jul 8, 2025 to Feb 9, 20265
  • DirectorChris McFadden named Jul 8, 2025 to Feb 9, 20265
  • DirectorLeigh Curyer named Jul 8, 2025 to Feb 9, 20265
  • DirectorMark Raguz named Jul 8, 2025 to Feb 9, 20265
  • DirectorPeter Netupsky named Jul 8, 2025 to Feb 9, 20265
  • DirectorRichard Patricio named Jul 8, 2025 to Feb 9, 20265

Subsidiaries and ownership

Parent company (GLEIF)

Ownership links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); each one cites its LEI record.

Timeline

  1. Oct 12, 2016Parent Directly consolidated by NexGen Energy2
  2. Oct 12, 2016Founded IsoEnergy Ltd. is founded2

Calendar

Coming up

  1. Nov 5, 2026Reports results for the quarter ending Sep/20266

Upcoming dates from Nasdaq's calendar; past results from the company's 8-K filings (Item 2.02). The full markets calendar

Filings

67 filings to the SEC since October 2021: 1 annual reports, 4 large holders, 2 private raises, 60 other. The latest 20:

  1. Oct 13, 20266-K EDGAR
  2. Sep 8, 20266-K EDGAR
  3. Aug 24, 20266-K EDGAR
  4. Aug 19, 20266-K EDGAR
  5. Aug 14, 2026SCHEDULE 13G EDGAR
  6. Aug 4, 20266-K EDGAR
  7. Jul 30, 20266-K EDGAR
  8. Jul 13, 20266-K EDGAR
  9. Jul 8, 20266-K EDGAR
  10. Jul 2, 2026SD EDGAR
  11. Jun 29, 20266-K EDGAR
  12. Jun 25, 20266-K EDGAR
  13. Jun 11, 20266-K EDGAR
  14. Jun 11, 20266-K EDGAR
  15. May 14, 2026SCHEDULE 13G/A EDGAR
  16. May 12, 20266-K EDGAR
  17. May 7, 20266-K EDGAR
  18. Apr 23, 20266-K EDGAR
  19. Apr 17, 20266-K EDGAR
  20. Apr 17, 2026FWP EDGAR

The 67 filings since October 2021 can be filtered by form type and year here when JavaScript is on.

Every filing from the last five years, summarized. The full record is on SEC EDGAR.

Major holders

Investors who own more than 5% of the shares must tell the SEC: a 13D if they may seek to influence the company, a 13G if they hold passively.

Money raised

Private offerings the company reported to the SEC on Form D.

  1. Jan 27, 2026Raised $10.1 million in a private offering of equity Form D: 9 investors so far Form D
  2. Jun 24, 2025Raised $2.5 million in a private offering of equity Form D: 5 investors so far Form D

Held by these funds

The largest holders among investment managers' 13F reports for the quarter ending Jun 30, 2026, the top 25 of 48. Change is in shares since the quarter before.

FundSharesValueShare of the fundChange
Van Eck Associates Corp4,566,386$45.5M0.0%+2,222,875
L1 Capital Pty Ltd2,778,857$27.7M0.9%+293,780
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.2,481,841$24.7M0.0%+31,860
Vident Advisory, LLC1,250,237$12.5M0.1%+225,911
Cibc World Market Inc.1,014,328$10.1M0.0%−9,041
Manufacturers Life Insurance Company, The932,342$9.0M0.0%+7,665
Masters Capital Management LLC600,000$6.0M0.8%−100,000
UBS Group AG572,217$5.7M0.0%+269,634
Firetrail Investments Pty Ltd293,110$2.9M0.8%New
Invst, LLC235,377$2.3M0.2%−7,856
Mirabella Financial Services Llp158,600$1.6M0.2%New
Acasta Partners UK LLP150,700$1.5M4.7%+70,700
Goldman Sachs Group Inc139,417$1.4M0.0%+83,642
PenderFund Capital Management Ltd.139,300$1.4M0.6%−5,900
Citigroup Inc110,179$1.1M0.0%+20,283
Intact Investment Management Inc.70,581$703.6K0.0%−38,000
Stifel Financial Corp69,193$689.9K0.0%−88,116
Sprott Inc.66,969$669.0K0.0%+525
TD Asset Management Inc66,224$660.0K0.0%+12,592
Mackenzie Financial Corp45,626$645.2K0.0%+9,665
Bank Of America Corp /de/58,690$585.1K0.0%−53,400
Old Mission Capital LLC58,183$580.1K0.0%+26,042
Ausbil Investment Management Ltd37,700$375.3K0.2%New
Vontobel Holding Ltd.34,651$345.1K0.0%−700
Wealthspire Retirement, LLC27,809$277.3K0.0%+9

13F reports cover disclosed long positions in U.S. stocks only.

SEC filer profile

How IsoEnergy Ltd. is registered with the Securities and Exchange Commission, from its EDGAR record and the cover page of its latest annual report.

  • Name on EDGARIsoEnergy Ltd.1
  • CIK0001997377
  • Employer ID (EIN)00-00000009
  • Filer status<br>emerging growth company an emerging growth company1
  • Incorporated inCanada9
  • Fiscal year endsDecember 311
  • Industry code (SIC)1090 Miscellaneous Metal Ores1
  • SEC reviewing officeOffice of Energy & Transportation, Division of Corporation Finance1
  • Business address217 Queen Street West, Suite 401, Toronto, M5V 0R2, Ontario, Canada1
  • Phone1-833-572-23331
  • Shares outstanding54,928,896 shares as of Dec 31, 20259
  • AuditorKPMG LLP, Vancouver, British Columbia, Canada PCAOB ID 85; no auditor attestation of internal control over financial reporting9
  • On EDGAR sinceApr 23, 20251
  • Filings71 in all: 6-K (45), F-X (3), D (2), F-10 (2), FWP (2), SCHEDULE 13D (2), SCHEDULE 13G (2), SD (2)1
    All 18 form types

    SUPPL (2), 3 (1), 4 (1), 4/A (1), 40-F (1), 40FR12B (1), CERT (1), S-8 (1), SCHEDULE 13G/A (1), SEC STAFF ACTION (1)

  • Latest filingsAnnual report (40-F) Feb 27, 2026

Securities registered for trading

ClassSymbolExchange
Common Shares, no par valueISOUNYSE

From the cover page of the 40-F filed Feb 27, 2026 (Section 12(b) of the Exchange Act).9

Sources

The numbers on this page point here. Each one links to the record it came from.

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