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NYSE · Basic materialsIsoEnergy Ltd. (ISOU)
It posted a net loss of CA$1.1M. In fiscal 2025 capital spending exceeded operating cash flow by CA$13.3M. At December 31, 2025 it held CA$62.9M in cash. Its latest periodic report to the SEC is the annual report (Canadian issuer) (40-F) filed on February 27, 2026.
Key facts about IsoEnergy Ltd.
- Net worth
- IsoEnergy Ltd. has a market value (market cap) of $523.9M at the latest share price, and shareholders' equity of CA$401.4M on its balance sheet at December 31, 2025. A company's "net worth" usually means one of these: what the market pays for all its shares, or its assets minus its liabilities.
- Cash flow
- In fiscal 2025 operations used CA$12.8M of cash.
- Latest report
- The latest periodic report (annual report (Canadian issuer), 40-F) was filed with the SEC on February 27, 2026 and covers the period to December 31, 2025. Open on SEC EDGAR
What IsoEnergy Ltd. does
IsoEnergy Ltd. is registered with the SEC under industry code SIC 1090 (Miscellaneous Metal Ores). Its shares trade on NYSE under the ticker ISOU.
Revenue and profit by year
Key figures
| Fiscal year | Revenue | Net income | Diluted EPS | Free cash flow |
|---|---|---|---|---|
| 2025 | n/a | -CA$1.1M | -CA$0.04 | -CA$13.3M |
| 2025 | n/a | -CA$42.1M | -CA$1.02 | -CA$10.9M |
Earnings: every quarter and the next report date
Full financial statements: income, balance sheet and cash flow
Latest SEC filings
What IsoEnergy Ltd. has filed recently, newest first. Each links to the original document on SEC EDGAR.
- November 5, 2026
- November 5, 2026
- October 13, 2026
- September 8, 2026
- August 24, 2026
- August 19, 2026
- August 14, 2026Passive stake (5% or more) SCHEDULE 13G
- August 4, 2026
- July 30, 2026
- July 13, 2026
Insider trades
What the people running IsoEnergy Ltd. did with its shares, from the Form 4 filings they must send the SEC within two business days.
No insider trades were reported in the last 90 days.
Who owns ISOU
Three views from three kinds of SEC filings, each with its own date. They overlap and are not added up.
5% holders
| Holder | Of class | Filed |
|---|---|---|
| IsoEnergy Ltd.13D, may seek influence with 1 related filers | 16.1% | March 3, 2026 |
| Van Eck Associates Corporation13G, passive | 7.5% | August 14, 2026 |
Largest institutional holders
Positions that investment managers reported on Form 13F for the quarter ended June 30, 2026, largest first, with the change on the quarter ended March 31, 2026. Managers file 13F up to 45 days after a quarter ends. 48 managers reported a position.
| Holder | Shares | Change on quarter |
|---|---|---|
| Van Eck Associates Corp | 4,566,386 | +2,222,875 |
| L1 Capital Pty Ltd | 2,778,857 | +293,780 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 2,481,841 | +31,860 |
| Vident Advisory, LLC | 1,250,237 | +225,911 |
| Cibc World Market Inc. | 1,014,328 | -9,041 |
| Manufacturers Life Insurance Company, The | 932,342 | +7,665 |
| Masters Capital Management LLC | 600,000 | -100,000 |
| UBS Group AG | 572,217 | +269,634 |
| Firetrail Investments Pty Ltd | 293,110 | new |
| Invst, LLC | 235,377 | -7,856 |
| Mirabella Financial Services Llp | 158,600 | new |
| Acasta Partners UK LLP | 150,700 | +70,700 |
| Goldman Sachs Group Inc | 139,417 | +83,642 |
| PenderFund Capital Management Ltd. | 139,300 | -5,900 |
| Citigroup Inc | 110,179 | +20,283 |
| Intact Investment Management Inc. | 70,581 | -38,000 |
| Stifel Financial Corp | 69,193 | -88,116 |
| Sprott Inc. | 66,969 | +525 |
| TD Asset Management Inc | 66,224 | +12,592 |
| Mackenzie Financial Corp | 45,626 | +9,665 |
Insiders
Questions about ISOU
What does IsoEnergy Ltd. do?
IsoEnergy Ltd. is a company in the Basic materials sector, listed on NYSE as ISOU. Its shares trade on NYSE under the ticker ISOU.
What is IsoEnergy Ltd.'s net worth?
IsoEnergy Ltd. has a market value (market cap) of $523.9M at the latest share price, and shareholders' equity of CA$401.4M on its balance sheet at December 31, 2025. A company's "net worth" usually means one of these: what the market pays for all its shares, or its assets minus its liabilities.
Is IsoEnergy Ltd. profitable?
No. In fiscal 2025 it reported a net loss of CA$1.1M.
When did IsoEnergy Ltd. last report?
Its most recent periodic report is the annual report (Canadian issuer) (40-F) filed on February 27, 2026. It covers the period to December 31, 2025. Its newest filing of any kind is the foreign issuer update from November 5, 2026.
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Where the numbers come from
Financial figures are the values IsoEnergy Ltd. tagged in its own SEC filings (XBRL), taken from the latest filing for each period, so restatements replace older figures. Revenue, profit and cash flow are for full fiscal years unless marked as the last twelve months, which is the sum of the four most recent quarters. Where a company reports only the full year, the fourth quarter is the year minus the first three.
Prices are delayed end-of-day market data in the listing currency, and market cap moves with the price. P/E is shown only when earnings per share are positive. Nothing here is investment advice.