Nano Nuclear Energy Inc.
NNE- Exchange
- Nasdaq
- Industry
- Electric Services
- SEC CIK
- 0001923891
In the last 90 days, Nano Nuclear Energy Inc. insiders filed 0 open-market purchases and 3 sales; 236 institutions reported holding it in 13F filings for Q2 2026, worth $483.9M in total; no superinvestor holds it.
13F holders, Q4 2025
Institutional positions in Nano Nuclear Energy Inc. 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
- 207
- +5 vs. Q3 2025
- Shares held
- 25.9M
- +9.67M (+59.7%) vs. Q3 2025
- Total value
- $621.5M
- −$3.67M (−0.6%) vs. Q3 2025
- New holders
- 57
- 90 more added
- Sold out
- 52
- 32 more reduced
2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting NNE 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 | 236 | $483.9M |
| Q1 2026 | 221 | $475.6M |
| Q4 2025 | 207 | $621.5M |
| Q3 2025 | 204 | $630.0M |
| Q2 2025 | 176 | $417.8M |
| Q1 2025 | 157 | $234.9M |
| Q4 2024 | 114 | $191.5M |
| Q3 2024 | 46 | $22.3M |
| Q2 2024 | 14 | $5.80M |
| 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 Nano Nuclear Energy Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Citadel Advisors LLC | 1,199,443 | $28.8M | 0.02% | +841,063+234.7% | Added |
| Ghisallo Capital Management LLC | 1,592,000 | $38.2M | 1.71% | +1,592,000 | New |
| Weiss Asset Management LP | 1,592,018 | $38.2M | 0.54% | +1,592,018 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 1,941,699 | $46.6M | 0.07% | +215,449+12.5% | Added |
| Vanguard Group Inc | 2,264,051 | $54.4M | 0.00% | +486,367+27.4% | Added |
| BlackRock, Inc. | 2,937,019 | $70.5M | 0.00% | +689,328+30.7% | Added |
| Van Eck Associates Corp | 3,241,350 | $77.8M | 0.06% | +643,070+24.7% | Added |
| Heights Capital Management, Inc | 0 | $0 | 0.00% | −365,867−100.0% | Sold out |
| Maxi Investments CY Ltd | 0 | $0 | 0.00% | −35,500−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −28,871−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −27,708−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −23,052−100.0% | Sold out |
| Ellsworth Advisors, LLC | 0 | $0 | 0.00% | −16,746−100.0% | Sold out |
| First Trust Advisors LP | 0 | $0 | 0.00% | −21,144−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −20,749−100.0% | Sold out |
| Private Advisor Group, LLC | 0 | $0 | 0.00% | −17,355−100.0% | Sold out |
| Venturi Wealth Management, LLC | 0 | $0 | 0.00% | −17,114−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −17,059−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −12,920−100.0% | Sold out |
| Counterpoint Mutual Funds LLC | 0 | $0 | 0.00% | −12,529−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −12,249−100.0% | Sold out |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0 | $0 | 0.00% | −12,000−100.0% | Sold out |
| IMC-Chicago, LLC | 0 | $0 | 0.00% | −11,891−100.0% | Sold out |
| Navis Wealth Advisors, LLC | 0 | $0 | 0.00% | −11,000−100.0% | Sold out |
| Patriot Financial Group Insurance Agency, LLC | 0 | $0 | 0.00% | −10,850−100.0% | Sold out |
| Morris Retirement Advisors, LLC | 0 | $0 | 0.00% | −10,134−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −9,933−100.0% | Sold out |
| MML Investors Services, LLC | 0 | $0 | 0.00% | −9,350−100.0% | Sold out |
| Prosperity Wealth Management, Inc. | 0 | $0 | 0.00% | −8,600−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −8,362−100.0% | Sold out |
| Perritt Capital Management Inc | 0 | $0 | 0.00% | −8,002−100.0% | Sold out |
| Janney Montgomery Scott LLC | 0 | $0 | 0.00% | −6,439−100.0% | Sold out |
| Silverlake Wealth Management LLC | 0 | $0 | 0.00% | −6,217−100.0% | Sold out |
| Wedbush Securities Inc | 0 | $0 | 0.00% | −6,100−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −5,990−100.0% | Sold out |
| HighTower Advisors, LLC | 0 | $0 | 0.00% | −5,732−100.0% | Sold out |
| Accel Wealth Management | 0 | $0 | 0.00% | −5,709−100.0% | Sold out |
| State Board of Administration of Florida Retirement System | 0 | $0 | 0.00% | −5,638−100.0% | Sold out |
| Voya Investment Management LLC | 0 | $0 | 0.00% | −5,500−100.0% | Sold out |
| ProShare Advisors LLC | 0 | $0 | 0.00% | −5,323−100.0% | Sold out |
| Fountainhead AM, LLC | 0 | $0 | 0.00% | −5,233−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −3,788−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −1,800−100.0% | Sold out |
| Vestor Capital, LLC | 0 | $0 | 0.00% | −1,136−100.0% | Sold out |
| JTC Employer Solutions Trusteee Ltd | 0 | $0 | 0.00% | −984−100.0% | Sold out |
| Bogart Wealth, LLC | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| JPL Wealth Management, LLC | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Principal Securities, Inc. | 0 | $0 | 0.00% | −457−100.0% | Sold out |
| Manchester Capital Management LLC | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| Spire Wealth Management | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| Optiver Holding B.V. | 0 | $0 | 0.00% | −235−100.0% | Sold out |
| NBC Securities, Inc. | 0 | $0 | 0.00% | −135−100.0% | Sold out |
| Comerica Bank | 0 | $0 | 0.00% | −107−100.0% | Sold out |
| Private Trust Co NA | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −28−100.0% | Sold out |
| Rise Advisors, LLC | 0 | $0 | 0.00% | −21−100.0% | Sold out |
| AdvisorNet Financial, Inc | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| Wealthspire Advisors, LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Pinebridge Investments, L.P. | – | – | – | – | Not filed |
| Wolverine Trading, LLC | – | – | – | – | Not filed |