IsoEnergy Ltd.
ISOU- Exchange
- NYSE
- Industry
- Miscellaneous Metal Ores
- SEC CIK
- 0001997377
No open-market purchases or sales by IsoEnergy Ltd. insiders were filed in the last 90 days; 48 institutions reported holding it in 13F filings for Q2 2026, worth $161.4M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in IsoEnergy Ltd. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 40
- +7 vs. Q4 2025
- Shares held
- 12.9M
- +6.22M (+92.4%) vs. Q4 2025
- Total value
- $136.8M
- +$75.6M (+123.6%) vs. Q4 2025
- New holders
- 11
- 17 more added
- Sold out
- 4
- 7 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ISOU on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 48 | $161.4M |
| Q1 2026 | 40 | $136.8M |
| Q4 2025 | 34 | $61.2M |
| Q3 2025 | 33 | $52.6M |
| Q2 2025 | 20 | $35.3M |
| Q1 2025 | 1 | $7.18K |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding IsoEnergy Ltd.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| L1 Capital Pty Ltd | 2,485,077 | $26.3M | 1.03% | +1,738,489+232.9% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 2,449,981 | $25.9M | 0.04% | +102,690+4.4% | Added |
| Van Eck Associates Corp | 2,343,511 | $24.8M | 0.02% | +2,343,511 | New |
| CIBC World Markets Inc. | 1,023,369 | $10.8M | 0.02% | −57,789−5.3% | Reduced |
| Vident Advisory, LLC | 1,024,326 | $10.8M | 0.09% | +246,055+31.6% | Added |
| Manufacturers Life Insurance Company, The | 924,677 | $9.64M | 0.01% | +924,677 | New |
| Masters Capital Management LLC | 700,000 | $7.38M | 1.09% | +700,000 | New |
| UBS Group AG | 302,583 | $3.19M | 0.00% | +214,649+244.1% | Added |
| Invst, LLC | 243,233 | $2.56M | 0.29% | +87,909+56.6% | Added |
| Stifel Financial Corp | 157,309 | $1.66M | 0.00% | −67,516−30.0% | Reduced |
| PenderFund Capital Management Ltd. | 145,200 | $1.54M | 0.24% | +33,600+30.1% | Added |
| Bank of America Corp | 112,090 | $1.18M | 0.00% | +13,363+13.5% | Added |
| Intact Investment Management Inc. | 108,581 | $1.15M | 0.03% | −83,419−43.4% | Reduced |
| Morgan Stanley | 108,587 | $1.14M | 0.00% | +13,319+14.0% | Added |
| Banque Cantonale Vaudoise | 101,478 | $1.07M | 0.04% | +3,800+3.9% | Added |
| Quadrature Capital Ltd | 97,300 | $1.03M | 0.01% | +97,300 | New |
| Citigroup Inc | 89,896 | $949.5K | 0.00% | +89,896 | New |
| Acasta Partners UK LLP | 80,000 | $847.4K | 0.32% | +80,000 | New |
| Themes Management Co LLC | 71,791 | $760.7K | 0.47% | +33,891+89.4% | Added |
| Sprott Inc. | 66,444 | $701.7K | 0.02% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 55,775 | $587.9K | 0.00% | +17,345+45.1% | Added |
| TD Asset Management Inc | 53,632 | $566.5K | 0.00% | +9,252+20.8% | Added |
| Mackenzie Financial Corp | 35,961 | $381.0K | 0.00% | +2,235+6.6% | Added |
| Vontobel Holding Ltd. | 35,351 | $374.6K | 0.00% | +1,000+2.9% | Added |
| Old Mission Capital LLC | 32,141 | $338.8K | 0.01% | +1,583+5.2% | Added |
| NFP Retirement, Inc. | 27,800 | $293.0K | 0.02% | +4,600+19.8% | Added |
| J.W. Cole Advisors, Inc. | 23,675 | $249.5K | 0.01% | −22,598−48.8% | Reduced |
| Eagle Global Advisors LLC | 19,025 | $200.5K | 0.01% | 00.0% | Unchanged |
| Bank of Montreal | 10,307 | $109.2K | 0.00% | +10,307 | New |
| Rockbridge Capital Management LLC | 10,000 | $105.4K | 0.07% | 00.0% | Unchanged |
| Royal Bank of Canada | 4,202 | $44.0K | 0.00% | +3,585+581.0% | Added |
| National Bank of Canada | 1,799 | $18.7K | 0.00% | −217−10.8% | Reduced |
| Golden State Equity Partners | 1,087 | $11.5K | 0.00% | +1,087 | New |
| Cassaday & Co Wealth Management LLC | 475 | $5.02K | 0.00% | +475 | New |
| Natixis | 399 | $4.02K | 0.00% | 00.0% | Unchanged |
| Fairscale Capital, LLC | 374 | $3.94K | 0.00% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 150 | $1.58K | 0.00% | +150 | New |
| Federation des caisses Desjardins du Quebec | 25 | $260 | 0.00% | −1−3.8% | Reduced |
| Barclays PLC | 10 | $105 | 0.00% | +10 | New |
| TD Waterhouse Canada Inc. | 8 | $83 | 0.00% | −10,000−99.9% | Reduced |
| MMCAP International Inc. SPC | 0 | $0 | 0.00% | −270,745−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −16,038−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −15,576−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −11,155−100.0% | Sold out |
| ORG Partners LLC | – | – | – | – | Not filed |