Comparable stake leader
IsoEnergy Ltd.
SEC ownership of Jaguar Uranium Corp.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002039273.
Disclosed value leader
IsoEnergy Ltd.
Comparable rows
13/15
Latest evidence
31 Mar 2026
- Public ticker
- JAGU on NYSE
- Parsed ownership sources
-
3/4/5, 13D/G, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
IsoEnergy Ltd.
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
13 of 15
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
IsoEnergy Ltd.
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
31 Mar 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0002039273
- Issuer location
- Ontario, Canada (Federal Level)
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Jaguar Uranium Corp. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
IsoEnergy Ltd.
Disclosed value leader
IsoEnergy Ltd.
Comparable rows
13/15
Latest evidence
31 Mar 2026
3/4/5
13D/G
13F
Lead comparable stake: 16%
2 rows are not safely comparable across share classes.
13D/G row: IsoEnergy Ltd.
Showing 1-8 of 15 holder rows.
Quick read
IsoEnergy Ltd. leads the comparable SEC ownership view at 16%.
13 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens IsoEnergy Ltd.'s linked filing trail.
Comparable ownership
Top 5
IsoEnergy Ltd.
16%
Covalis Capital LLP
3.5%
Vident Advisory, LLC
2.7%
Empery Asset Management, LP
2.4%
HOHIMER WEALTH MANAGEMENT, LLC
0.62%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| IsoEnergy Ltd. |
3/4/5
13D/G
10%+ Owner
|
16%
from 13D/G
|
$12,000,000
3,253,150 shares
|
— | 11 Feb 2026 |
| Covalis Capital LLP |
13F
Company
|
3.5%
|
$1,924,995
699,998 shares
|
— | 31 Mar 2026 |
| Vident Advisory, LLC |
13F
Company
|
2.7%
|
$1,497,507
544,548 shares
|
— | 31 Mar 2026 |
| Empery Asset Management, LP |
13F
Company
|
2.4%
|
$1,340,625
487,500 shares
|
— | 31 Mar 2026 |
| HOHIMER WEALTH MANAGEMENT, LLC |
13F
Company
|
0.62%
|
$346,500
126,000 shares
|
— | 31 Mar 2026 |
| Cable Car Capital, LP |
13F
Company
|
0.49%
|
$275,000
100,000 shares
|
— | 31 Mar 2026 |
| Weiss Asset Management LP |
13F
Company
|
0.4%
|
$224,089
81,487 shares
|
— | 31 Mar 2026 |
| JANE STREET GROUP, LLC |
13F
Company
|
0.25%
|
$140,462
51,077 shares
|
— | 31 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 04 Jul 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-8 of 8 reporting-owner rows connected to Jaguar Uranium Corp.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
8
Largest Forms 3/4/5 holder
IsoEnergy Ltd.
Net 12M change
$0
Latest report
11 Feb 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| IsoEnergy Ltd. | 10%+ Owner | $12,000,000 | Mixed | 11 Feb 2026 | ||
| Luis Augusto Ducassi | Executive Chairman, Director | Mixed | 30 Jan 2026 | |||
| Steven Brian Gold | President, CEO and Director, Director | Mixed | 30 Jan 2026 | |||
| Trumbull Grant Fisher | Director | Mixed | 30 Jan 2026 | |||
| William Edward Keith Avery | Chief Financial Officer | Mixed | 30 Jan 2026 | |||
| Tomas de Pablos Souza | Director | Mixed | 11 Feb 2026 | |||
| Janet Lee Meiklejohn | Director | Mixed | 11 Feb 2026 | |||
| Maxime Henri Alexandre Leclerc | Director | Mixed | 30 Jan 2026 |
Recent insider transactions for Jaguar Uranium Corp.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| IsoEnergy Ltd. | JAGU | Class A common shares, no par value | Other | 50% | 1,000,000 | 3,000,000 | 12 Feb 2026 | See footnote | ||
| IsoEnergy Ltd. | JAGU | Class A common shares, no par value | Purchase | 253,150 | 253,150 | 11 Feb 2026 | Direct |
* marks a reported price that did not pass the local price check.