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, Q4 2025
Institutional positions in IsoEnergy Ltd. as of Dec 31, 2025. 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
- 34
- +1 vs. Q3 2025
- Shares held
- 6.73M
- +1.49M (+28.5%) vs. Q3 2025
- Total value
- $61.2M
- +$8.58M (+16.3%) vs. Q3 2025
- New holders
- 7
- 14 more added
- Sold out
- 6
- 6 more reduced
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding IsoEnergy Ltd.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Mirae Asset Global ETFs Holdings Ltd. | 2,347,291 | $21.4M | 0.03% | +252,946+12.1% | Added |
| CIBC World Markets Inc. | 1,081,158 | $9.84M | 0.02% | +151,108+16.2% | Added |
| Vident Advisory, LLC | 778,271 | $7.02M | 0.07% | −44,507−5.4% | Reduced |
| L1 Capital Pty Ltd | 746,588 | $6.79M | 0.35% | +746,588 | New |
| MMCAP International Inc. SPC | 270,745 | $2.44M | 0.24% | −74,900−21.7% | Reduced |
| Stifel Financial Corp | 224,825 | $2.05M | 0.00% | +77,459+52.6% | Added |
| Intact Investment Management Inc. | 192,000 | $1.75M | 0.05% | +192,000 | New |
| Invst, LLC | 155,324 | $1.41M | 0.15% | 00.0% | Unchanged |
| PenderFund Capital Management Ltd. | 111,600 | $1.02M | 0.16% | +51,000+84.2% | Added |
| Bank of America Corp | 98,727 | $898.4K | 0.00% | −25,301−20.4% | Reduced |
| Banque Cantonale Vaudoise | 97,678 | $890.0K | 0.03% | +68,000+229.1% | Added |
| Morgan Stanley | 95,268 | $866.9K | 0.00% | +72,508+318.6% | Added |
| UBS Group AG | 87,934 | $800.2K | 0.00% | −31,454−26.3% | Reduced |
| Sprott Inc. | 66,444 | $605.7K | 0.02% | −2,389−3.5% | Reduced |
| J.W. Cole Advisors, Inc. | 46,273 | $421.1K | 0.01% | +23,243+100.9% | Added |
| TD Asset Management Inc | 44,380 | $404.4K | 0.00% | +5,636+14.5% | Added |
| Goldman Sachs Group Inc | 38,430 | $349.7K | 0.00% | +18,980+97.6% | Added |
| Themes Management Co LLC | 37,900 | $344.9K | 0.27% | +37,900 | New |
| Vontobel Holding Ltd. | 34,351 | $312.6K | 0.00% | +1,767+5.4% | Added |
| Mackenzie Financial Corp | 33,726 | $299.8K | 0.00% | +15,656+86.6% | Added |
| Old Mission Capital LLC | 30,558 | $278.1K | 0.01% | +30,558 | New |
| NFP Retirement, Inc. | 23,200 | $211.1K | 0.01% | +4,000+20.8% | Added |
| Eagle Global Advisors LLC | 19,025 | $173.1K | 0.01% | 00.0% | Unchanged |
| Jane Street Group, LLC | 16,038 | $144.5K | 0.00% | +16,038 | New |
| Citadel Advisors LLC | 15,576 | $141.7K | 0.00% | +15,576 | New |
| Engineers Gate Manager LP | 11,155 | $100.7K | 0.00% | +11,155 | New |
| Rockbridge Capital Management LLC | 10,000 | $91.0K | 0.06% | 00.0% | Unchanged |
| TD Waterhouse Canada Inc. | 10,008 | $90.4K | 0.00% | +2,715+37.2% | Added |
| National Bank of Canada | 2,016 | $18.2K | 0.00% | +705+53.8% | Added |
| ORG Partners LLC | 1,087 | $9.89K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 617 | $6.00K | 0.00% | −9,796−94.1% | Reduced |
| Natixis | 399 | $3.59K | 0.00% | 00.0% | Unchanged |
| Fairscale Capital, LLC | 374 | $3.40K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 26 | $235 | 0.00% | 00.0% | Unchanged |
| Arosa Capital Management LP | 0 | $0 | 0.00% | −60,425−100.0% | Sold out |
| Bridgewater Associates, LP | 0 | $0 | 0.00% | −30,241−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −13,250−100.0% | Sold out |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0 | $0 | 0.00% | −4,766−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −4,500−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −400−100.0% | Sold out |