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5%+ stakes · Schedule 13D and 13G

Jaguar Uranium Corp.: 5%+ holders

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MentionFox check on Jaguar Uranium Corp.: only 1 source on file so far (checked 6 November 2026). Run a full check before you rely on it. mentionfox.com/c/stakes/jaguar-uranium

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Who has reported owning 5% or more of Jaguar Uranium Corp., from Schedule 13D and 13G filings: each holder's stake as filed, the timeline, and the purpose each 13D states, quoted.

As of November 6, 2026, one holder's latest Schedule 13D or 13G filing report owning 5% or more of Jaguar Uranium Corp. The largest reported stake is IsoEnergy Ltd.'s, at 16.1%. One filing is on record since March 3, 2026 (Schedule 13D, March 3, 2026).

1 more record on Jaguar Uranium Corp. ↓

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At 5% or more1
Filings1
Latest filing2026-03-03

Jaguar Uranium Corp. has 1 Schedule 13D or 13G filing on record since 2026-03-03. 1 holder's latest filing reports 5% or more of class a common shares, no par value. Each figure below is the holder's own, as filed, with the filing linked.

Holders

HolderPercentSharesLatestEvent date
IsoEnergy Ltd.16.1%3,253,150SCHEDULE 13D, 2026-03-032026-02-12

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More on Jaguar Uranium Corp. and the records around it.

Jaguar Uranium Corp. elsewhere on the record

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Purpose of Transaction (Item 4)

IsoEnergy Ltd.

The Reporting Persons acquired the Common Shares for investment purposes. The Reporting Persons intend to review their investment in the Company on a continuing basis and, depending upon various factors, including without limitation, any discussions between the Reporting Persons and representatives of the Company, the Company's financial position and strategic direction, overall market conditions, other investment opportunities available to the Reporting Persons, and the availability of securities of the Company at prices that would make the purchase or sale of such securities desirable, the Reporting Persons may: (i) increase or decrease their position in the Company through, among other things, the purchase or sale of securities of the Company, including through transactions involving the Common Shares and/or other equity, debt, notes, other securities, or derivative or other instruments that are based upon or relate to the value of securities of the Company in the open market or otherwise; (ii) enter into transactions that increase or hedge their economic exposure to the Common Shares without affecting their beneficial ownership of the Common Shares; or (iii) consider or propose one or more of the actions described in subparagraphs (a) - (j) of Item 4 of Schedule 13D.Item 4 of the SCHEDULE 13D filed 2026-03-03

Timeline

FiledHolderPercentFiling
2026-03-03IsoEnergy Ltd.16.1%SCHEDULE 13D

Also on the record for Jaguar Uranium Corp.

DateRecordFigureOur pageSource
February 11, 2026IPO filing, Form 424B4$4 a shareIPO filingsSource
January 30, 2026IPO filing, Form S-1/A$4 to $6 a shareIPO filingsSource
January 30, 2026IPO filing, Form S-1/A$4 to $6 a shareIPO filingsSource
January 26, 2026IPO filing, Form S-1/A$4 to $6 a shareIPO filingsSource
January 9, 2026IPO filing, Form S-1/A—IPO filingsSource
December 8, 2025IPO filing, Form S-1—IPO filingsSource

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Where this comes from

Anyone who comes to own more than 5% of a class of a listed company's voting shares has to tell the SEC. A holder who may seek to change or influence the company files Schedule 13D, and has to say in Item 4, "Purpose of Transaction", what it intends to do. A holder with no such intent, such as many index and passive funds, may file the shorter Schedule 13G. Both are amended when the stake changes, including when it falls below 5%.

Every row here is one of those filings, linked to the filing itself. Percentages and share counts are exactly as the holder filed them, for the holder the filing names; an amendment showing a lower figure is shown as filed. Item 4 text is quoted word for word. Where a 13D's Item 4 contains a sentence stating a definite intent to influence the company, that sentence is marked and quoted; the page does not describe the holder or its motives beyond the words it filed. Nothing here is investment advice.

Cite this page

Permanent URL: https://mentionfox.com/stakes/jaguar-uranium
Last updated 2026-11-06
Primary record: SEC filing 1 · SEC filing 2 · SEC filing 3 · SEC filing 4
Who owns 5% or more of Jaguar Uranium Corp.? 1 holder at 5% or more, largest IsoEnergy Ltd. 16.1%. MentionFox, 2026-11-06. https://mentionfox.com/stakes/jaguar-uranium