ISOU
IsoEnergy Ltd.Company with tickers: ISOU
CIK
1997377
CUSIP
46500E867
Shares Outstanding
60,628,932
13F Activity (30d)
37 filings
37 filers
Holders: 40
Total Value: $136,467,990
Total Shares: 12,947,629
Institutional Ownership Trend
Holder Concentration
Across 40 13F filers · Δ vs Dec 31, 2025Top Holder
19.2%
−15.7 pts
Top 5
72.0%
−5.6 pts
Top 10
90.0%
+0.7 pts
HHI
1,277
Broadly held
−511
Quarterly Activity
vs Dec 31, 2025
New
11
Increased
17
Decreased
7
Sold Out
5
Unchanged
5
Holder count:
+6
Institutional value:
+122.9%
Shares held:
+92.4%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mid L1 Capital Pty Ltd | +1,738,489 | 2,485,077 | |
| Large Vident Advisory, LLC | +246,055 | 1,024,326 | |
| Mega UBS Group AG | +214,649 | 302,583 | |
| Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | +102,690 | 2,449,981 | |
| Small Invst, LLC | +87,909 | 243,233 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mid INTACT INVESTMENT MANAGEMENT INC. | −83,419 | 108,581 | |
| Large STIFEL FINANCIAL CORP | −67,516 | 157,309 | |
| Large CIBC WORLD MARKET INC. | −57,789 | 1,023,369 | |
| Mid J.W. COLE ADVISORS, INC. | −22,598 | 23,675 | |
| Large TD Waterhouse Canada Inc. | −10,000 | 8 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega VAN ECK ASSOCIATES CORP | 2,343,511 | $24,700,605 | |
| Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE | 924,677 | $9,746,095 | |
| Mid MASTERS CAPITAL MANAGEMENT LLC | 700,000 | $7,378,000 | |
| Mid Quadrature Capital Ltd | 97,300 | $1,025,542 | |
| Mega CITIGROUP INC | 89,896 | $947,503 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Small MMCAP International Inc. SPC | 270,745 | $2,463,779 | |
| Mega JANE STREET GROUP, LLC | 16,038 | $145,945 | |
| Mega CITADEL ADVISORS LLC | 15,576 | $141,741 | |
| Mid Engineers Gate Manager LP | 11,155 | $101,510 | |
| Small ORG Partners LLC | 1,087 | $9,891 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mid L1 Capital Pty Ltd | $26,192,711 | 19.19% | 2,485,077 | Shares | Sole | 2026-05-15 | ||||
| Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund | $25,822,799 | 18.92% | 2,449,981 | Shares | Defined | 2026-05-15 | ||||
| Mega VAN ECK ASSOCIATES CORP | $24,700,605 | 18.10% | 2,343,511 | Shares | Sole | 2026-05-15 | ||||
| Large Vident Advisory, LLC | $10,796,396 | 7.91% | 1,024,326 | Shares | Defined | 2026-05-15 | ||||
| Large CIBC WORLD MARKET INC. | $10,786,309 | 7.90% | 1,023,369 | Shares | Sole | 2026-05-14 | ||||
| Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance | $9,746,095 | 7.14% | 924,677 | Shares | Defined | 2026-05-15 | ||||
| Mid MASTERS CAPITAL MANAGEMENT LLC | $7,378,000 | 5.41% | 700,000 | Shares | Sole | 2026-05-15 | ||||
| Mega UBS Group AG | $3,189,224 | 2.34% | 302,583 | Shares | Defined | 2026-05-05 | ||||
| Small Invst, LLC | $2,563,675 | 1.88% | 243,233 | Shares | Sole | 2026-05-13 | ||||
| Large STIFEL FINANCIAL CORP | $1,658,036 | 1.21% | 157,309 | Shares | Defined | 2026-05-12 | ||||
| Small PenderFund Capital Management Ltd. | $1,530,408 | 1.12% | 145,200 | Shares | Sole | 2026-05-15 | ||||
| Mega BANK OF AMERICA CORP /DE/ Bank | $1,181,428 | 0.87% | 112,090 | Shares | Defined | 2026-05-18 | ||||
| Mega MORGAN STANLEY | $1,144,506 | 0.84% | 108,587 | Shares | Defined | 2026-05-15 | ||||
| Mid INTACT INVESTMENT MANAGEMENT INC. | $1,144,443 | 0.84% | 108,581 | Shares | Sole | 2026-05-08 | ||||
| Mid Banque Cantonale Vaudoise | $1,069,578 | 0.78% | 101,478 | Shares | Sole | 2026-04-20 | ||||
| Mid Quadrature Capital Ltd | $1,025,542 | 0.75% | 97,300 | Shares | Other | 2026-05-15 | ||||
| Mega CITIGROUP INC | $947,503 | 0.69% | 89,896 | Shares | Defined | 2026-05-11 | ||||
| Micro Acasta Partners UK LLP | $843,200 | 0.62% | 80,000 | Shares | Sole | 2026-05-14 | ||||
| Small Themes Management Co LLC | $756,677 | 0.55% | 71,791 | Shares | Sole | 2026-05-15 | ||||
| Mid SPROTT INC. | $700,319 | 0.51% | 66,444 | Shares | Sole | 2026-05-08 | ||||
| Mega GOLDMAN SACHS GROUP INC | $587,868 | 0.43% | 55,775 | Shares | Defined | 2026-05-15 | ||||
| Mega TD Asset Management Inc | $565,281 | 0.41% | 53,632 | Shares | Sole | 2026-05-11 | ||||
| Large MACKENZIE FINANCIAL CORP | $379,028 | 0.28% | 35,961 | Shares | Sole | 2026-05-13 | ||||
| Large Vontobel Holding Ltd. | $372,599 | 0.27% | 35,351 | Shares | Defined | 2026-05-08 | ||||
| Large OLD MISSION CAPITAL LLC | $338,766 | 0.25% | 32,141 | Shares | Defined | 2026-05-15 | ||||
| Small Wealthspire Retirement, LLC Pension | $293,012 | 0.21% | 27,800 | Shares | Sole | 2026-05-13 | ||||
| Mid J.W. COLE ADVISORS, INC. | $249,534 | 0.18% | 23,675 | Shares | Sole | 2026-04-23 | ||||
| Mid EAGLE GLOBAL ADVISORS LLC | $200,523 | 0.15% | 19,025 | Shares | Sole | 2026-05-15 | ||||
| Mega BANK OF MONTREAL /CAN/ Bank | $108,635 | 0.08% | 10,307 | Shares | Defined | 2026-05-13 | ||||
| Small Rockbridge Asset Management LLC | $105,400 | 0.08% | 10,000 | Shares | Sole | 2026-05-15 | ||||
| Mega ROYAL BANK OF CANADA Bank | $44,288 | 0.03% | 4,202 | Shares | Defined | 2026-05-15 | ||||
| Large NATIONAL BANK OF CANADA /FI/ Bank | $18,961 | 0.01% | 1,799 | Shares | Defined | 2026-05-15 | ||||
| Small Ascentis Independent Advisors | $11,456 | 0.01% | 1,087 | Shares | Sole | 2026-04-28 | ||||
| Small Cassaday & Co Wealth Management LLC | $5,006 | 0.00% | 475 | Shares | Sole | 2026-05-07 | ||||
| Large NATIXIS | $4,205 | 0.00% | 399 | Shares | Sole | 2026-05-14 | ||||
| Micro Fairscale Capital, LLC | $3,941 | 0.00% | 374 | Shares | Sole | 2026-05-11 | ||||
| Mid Advisory Services Network, LLC | $1,581 | 0.00% | 150 | Shares | Sole | 2026-05-15 | ||||
| Large Federation des caisses Desjardins du Quebec | $263 | 0.00% | 25 | Shares | Defined | 2026-05-14 | ||||
| Mega BARCLAYS PLC | $105 | 0.00% | 10 | Shares | Defined | 2026-05-15 | ||||
| Large TD Waterhouse Canada Inc. | $84 | 0.00% | 8 | Shares | Defined | 2026-05-12 | ||||
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