NNENasdaqElectric ServicesFiscal year ends September 30
Nano Nuclear Energy Inc.
Financials through Q3 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 12, 2026
$13.01+0.13 (+1.01%)
Close on Oct 19, 2026
- Market cap
- $681.02M
- P/E (TTM)
- –
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
42.9%
23M of 54M shares
Institutional holders
233
49 new, 30 sold out
Net institutional buying
-0M
In Q2 2026
Insider trades, 12 months
0 buys · 102 sales
Net sold $177.99M
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Jiang Yu | 9,224,000 | 17.50% | 13G (passive) amendment | Jan 28, 2026 |
| Van Eck Associates Corporation | 3,819,847 | 7.30% | 13G (passive) amendment | Jun 30, 2026 |
| BlackRock, Inc. | 3,408,529 | 6.50% | 13G (passive) amendment | Jun 30, 2026 |
| Global X Management CO LLC | 2,939,500 | 5.64% | 13G (passive) | Mar 31, 2026 |
| Van Eck Associates Corp | 2,598,280 | 6.25% | 13G (passive) | Sep 30, 2025 |
| I Financial Ventures Group LLC. | 10,700,000 | 28.33% | 13G (passive) | Dec 31, 2024 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of NNE | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Van Eck Associates Corp | 3,819,847 | 7.11% | $80.75M | +810,022 | 0.05% |
| BlackRock, Inc. | 3,492,260 | 6.50% | $73.83M | +572,797 | 0.00% |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 3,053,865 | 5.69% | $64.56M | +45,674 | 0.08% |
| Vanguard Capital Management LLC | 1,717,005 | 3.20% | $36.30M | +63,964 | 0.00% |
| Geode Capital Management, LLC | 1,102,082 | 2.05% | $23.30M | +169,502 | 0.00% |
| State Street Corp | 1,034,598 | 1.93% | $21.87M | +157,924 | 0.00% |
| UBS Group AG | 742,356 | 1.38% | $15.69M | +72,324 | 0.00% |
| Morgan Stanley | 645,963 | 1.20% | $13.66M | +64,379 | 0.00% |
| Exchange Traded Concepts, LLC | 607,131 | 1.13% | $12.83M | +19,344 | 0.06% |
| Northern Trust Corp | 372,231 | 0.69% | $7.87M | +45,790 | 0.00% |
| Vanguard Portfolio Management LLC | 342,472 | 0.64% | $7.24M | +59,069 | 0.00% |
| Charles Schwab Investment Management Inc | 287,211 | 0.53% | $6.07M | −23,100 | 0.00% |
| LPL Financial LLC | 267,503 | 0.50% | $5.66M | +6,349 | 0.00% |
| Cambridge Investment Research Advisors, Inc. | 258,866 | 0.48% | $5.47K | +125,645 | 0.01% |
| Vanguard Fiduciary Trust Co | 256,606 | 0.48% | $5.42M | −2,120 | 0.00% |
| Bnp Paribas Arbitrage, Snc | 247,368 | 0.46% | $5.23M | +166,120 | 0.00% |
| Wells Fargo & Company/Mn | 184,444 | 0.34% | $3.90M | +31,974 | 0.00% |
| Pacer Advisors, Inc. | 172,444 | 0.32% | $3.65K | +70,470 | 0.01% |
| Lido Advisors, LLC | 171,932 | 0.32% | $3.63M | – | 0.01% |
| Toroso Investments, LLC | 159,248 | 0.30% | $3.37M | +102,458 | 0.01% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 233 | 23M | 42.9% | 49 / 80 | 50 / 30 | 4M | 4M |
| Q1 2026 | 220 | 23M | 43.2% | 51 / 72 | 44 / 33 | 6M | 6M |
| Q4 2025 | 206 | 26M | 48.2% | 56 / 89 | 33 / 52 | 11M | 1M |
| Q3 2025 | 204 | 16M | 30.6% | 57 / 78 | 38 / 28 | 7M | 3M |
| Q2 2025 | 176 | 12M | 22.7% | 54 / 63 | 27 / 32 | 5M | 1M |
| Q1 2025 | 157 | 9M | 16.6% | 68 / 62 | 14 / 23 | 5M | 3M |
| Q4 2024 | 114 | 8M | 14.4% | 74 / 27 | 6 / 5 | 6M | 0M |
| Q3 2024 | 46 | 2M | 2.9% | 35 / 8 | 2 / 3 | 1M | 0M |
| Q2 2024 | 14 | 0M | 0.5% | 14 / 0 | 0 / 0 | 0M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of NNE | Value | % of fund | As of |
|---|---|---|---|---|---|
| VanEck Uranium and Nuclear ETF | 3,827,722 | 7.13% | $80.92M | 1.92% | Jun 30, 2026 |
| Global X Uranium ETF | 2,504,497 | 4.66% | $39.85M | 0.73% | Jul 31, 2026 |
| Vanguard Total Stock Market Index Fund | 1,235,111 | 2.30% | $26.11M | 0.00% | Jun 30, 2026 |
| iShares Russell 2000 ETF | 1,133,687 | 2.11% | $23.97M | 0.03% | Jun 30, 2026 |
| Range Nuclear Renaissance Index ETF | 610,107 | 1.14% | $17.62M | 1.98% | May 31, 2026 |
| Fidelity Small Cap Index Fund | 477,268 | 0.89% | $7.59M | 0.02% | Jul 31, 2026 |
| Vanguard Extended Market Index Fund | 438,578 | 0.82% | $9.27M | 0.01% | Jun 30, 2026 |
| iShares Russell 2000 Value ETF | 405,326 | 0.75% | $8.57M | 0.06% | Jun 30, 2026 |
| Vanguard Russell 2000 Index Fund | 205,796 | 0.38% | $5.94M | 0.03% | May 31, 2026 |
| Fidelity Extended Market Index Fund | 194,220 | 0.36% | $5.61M | 0.01% | May 31, 2026 |
| Schwab U.S. Small-Cap ETF | 181,260 | 0.34% | $5.23M | 0.02% | May 31, 2026 |
| Pacer Data & Infrastructure Real Estate ETF | 174,221 | 0.32% | $2.77M | 0.75% | Jul 31, 2026 |
| iShares Micro-Cap ETF | 145,582 | 0.27% | $3.08M | 0.20% | Jun 30, 2026 |
| Defiance AI & Power Infrastructure ETF | 111,814 | 0.21% | $3.23M | 0.43% | May 31, 2026 |
| Schwab Small-Cap Index Fund | 105,726 | 0.20% | $1.68M | 0.02% | Jul 31, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| James John Walker | Chief Executive Officer, Director | 660,000 | 1.23% | Sep 3, 2026 |
| Jiang Yu | President and Chairman, Director, 10% owner | 15,974,200 | 29.75% | Sep 3, 2026 |
| Jaisun Garcha | Chief Financial Officer | 346,992 | 0.65% | Jun 5, 2026 |
| Florent Heidet | Chief Technology Officer | 6,185 | 0.01% | Jun 5, 2026 |
| Roy Alan Boyd II | President of Issuer Subsidiary | 38,781 | 0.07% | Jun 1, 2026 |
| Kenny Joe Yung Yu | Director | 18,428 | 0.03% | Jun 5, 2026 |
| Diane Elizabeth Hare | Director | 100 | 0.00% | Jun 5, 2026 |
| Seth Jason Berl | Director | 7,586 | 0.01% | Jun 5, 2026 |
| Tsun Yee Law | Director | 78,428 | 0.15% | Jun 5, 2026 |
| Financial Ventures Group LLC I | 10% owner | 17,343,528 | 32.30% | Jun 5, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| James John Walker Chief Executive Officer, Director | Sep 3, 2026 | Sale(10b5-1 plan) | −25,000 | $17.77 | $444.25K | 635,000 |
| Jiang Yu President and Chairman, Director, 10% owner | Sep 2, 2026 | Sale(10b5-1 plan) | −141,931 | $17.48 | $2.48M | 7,749,500 |
| Jiang Yu President and Chairman, Director, 10% owner | Sep 1, 2026 | Sale(10b5-1 plan) | −332,569 | $17.45 | $5.80M | 7,891,431 |
| James John Walker Chief Executive Officer, Director | Sep 1, 2026 | Sale(10b5-1 plan) | −25,000 | $17.44 | $436.00K | 660,000 |
| Florent Heidet Chief Technology Officer | Jun 5, 2026 | Sale | −3,000 | $24.95 | $74.85K | 6,185 |
| Seth Jason Berl Director | Jun 5, 2026 | Sale | −3,750 | $24.92 | $93.45K | 7,586 |
| James John Walker Chief Executive Officer, Director | Jun 3, 2026 | Option exercise | +200,000 | $3.00 | $600.00K | 780,000 |
| Florent Heidet Chief Technology Officer | Jun 3, 2026 | Option exercise | +9,185 | – | – | 9,185 |
| James John Walker Chief Executive Officer, Director | Jun 3, 2026 | Sale(10b5-1 plan) | −201 | $28.69 | $5.77K | 580,071 |
| James John Walker Chief Executive Officer, Director | Jun 3, 2026 | Sale(10b5-1 plan) | −71 | $29.91 | $2.12K | 580,000 |
| James John Walker Chief Executive Officer, Director | Jun 3, 2026 | Sale(10b5-1 plan) | −25,000 | $26.04 | $651.00K | 555,000 |
| James John Walker Chief Executive Officer, Director | Jun 3, 2026 | Option exercise | +70,000 | $3.00 | $210.00K | 650,000 |
| James John Walker Chief Executive Officer, Director | Jun 3, 2026 | Sale(10b5-1 plan) | −46,145 | $26.18 | $1.21M | 603,855 |
| James John Walker Chief Executive Officer, Director | Jun 3, 2026 | Option exercise | +28,688 | – | – | 608,688 |
| James John Walker Chief Executive Officer, Director | Jun 3, 2026 | Sale(10b5-1 plan) | −22,380 | $27.06 | $605.60K | 581,475 |
| James John Walker Chief Executive Officer, Director | Jun 3, 2026 | Sale(10b5-1 plan) | −1,475 | $27.90 | $41.15K | 580,000 |
| James John Walker Chief Executive Officer, Director | Jun 3, 2026 | Sale(10b5-1 plan) | −25,792 | $26.77 | $690.45K | 582,896 |
| James John Walker Chief Executive Officer, Director | Jun 3, 2026 | Sale(10b5-1 plan) | −2,624 | $27.56 | $72.32K | 580,272 |
| Jiang Yu President and Chairman, Director, 10% owner | Jun 3, 2026 | Sale(10b5-1 plan) | −500 | $28.89 | $14.45K | 8,224,700 |
| Jiang Yu President and Chairman, Director, 10% owner | Jun 3, 2026 | Sale(10b5-1 plan) | −1,400 | $27.83 | $38.96K | 8,225,200 |
| Jiang Yu President and Chairman, Director, 10% owner | Jun 3, 2026 | Sale(10b5-1 plan) | −13,050 | $27.07 | $353.26K | 8,226,600 |
| Jiang Yu President and Chairman, Director, 10% owner | Jun 3, 2026 | Sale(10b5-1 plan) | −30,250 | $26.29 | $795.27K | 8,239,650 |
| Jiang Yu President and Chairman, Director, 10% owner | Jun 3, 2026 | Option exercise | +45,900 | – | – | 8,269,900 |
| Jiang Yu President and Chairman, Director, 10% owner | Jun 3, 2026 | Sale(10b5-1 plan) | −2,085 | $29.91 | $62.36K | 8,224,000 |
| Jiang Yu President and Chairman, Director, 10% owner | Jun 3, 2026 | Sale(10b5-1 plan) | −1,429 | $28.98 | $41.41K | 8,226,085 |
| Jiang Yu President and Chairman, Director, 10% owner | Jun 3, 2026 | Sale(10b5-1 plan) | −4,014 | $27.83 | $111.71K | 8,227,514 |
| Jiang Yu President and Chairman, Director, 10% owner | Jun 3, 2026 | Sale(10b5-1 plan) | −700 | $29.91 | $20.94K | 8,224,000 |
| Jiang Yu President and Chairman, Director, 10% owner | Jun 3, 2026 | Sale(10b5-1 plan) | −125,021 | $26.30 | $3.29M | 8,298,979 |
| Jiang Yu President and Chairman, Director, 10% owner | Jun 3, 2026 | Option exercise | +200,000 | $3.00 | $600.00K | 8,424,000 |
| Jiang Yu President and Chairman, Director, 10% owner | Jun 3, 2026 | Sale(10b5-1 plan) | −5,215 | $29.91 | $155.98K | 8,224,000 |
| Jiang Yu President and Chairman, Director, 10% owner | Jun 3, 2026 | Sale(10b5-1 plan) | −3,571 | $28.98 | $103.49K | 8,229,215 |
| Jiang Yu President and Chairman, Director, 10% owner | Jun 3, 2026 | Sale(10b5-1 plan) | −10,035 | $27.83 | $279.27K | 8,232,786 |
| Jiang Yu President and Chairman, Director, 10% owner | Jun 3, 2026 | Sale(10b5-1 plan) | −168,626 | $27.16 | $4.58M | 8,242,821 |
| Jiang Yu President and Chairman, Director, 10% owner | Jun 3, 2026 | Sale(10b5-1 plan) | −312,553 | $26.30 | $8.22M | 8,411,447 |
| Jiang Yu President and Chairman, Director, 10% owner | Jun 3, 2026 | Sale(10b5-1 plan) | −67,451 | $27.16 | $1.83M | 8,231,528 |
| Diane Elizabeth Hare Director | Jun 3, 2026 | Sale(10b5-1 plan) | −100 | $27.84 | $2.78K | 100 |
| Diane Elizabeth Hare Director | Jun 3, 2026 | Sale(10b5-1 plan) | −100 | $28.87 | $2.89K | 0 |
| Diane Elizabeth Hare Director | Jun 3, 2026 | Option exercise | +3,428 | – | – | 3,428 |
| Diane Elizabeth Hare Director | Jun 3, 2026 | Sale(10b5-1 plan) | −2,228 | $26.31 | $58.62K | 1,200 |
| Diane Elizabeth Hare Director | Jun 3, 2026 | Sale(10b5-1 plan) | −1,000 | $27.04 | $27.04K | 200 |
| Financial Ventures Group LLC I 10% owner | Jun 3, 2026 | Sale(10b5-1 plan) | −67,451 | $27.16 | $1.83M | 8,231,528 |
| Financial Ventures Group LLC I 10% owner | Jun 3, 2026 | Sale(10b5-1 plan) | −125,021 | $26.30 | $3.29M | 8,298,979 |
| Financial Ventures Group LLC I 10% owner | Jun 3, 2026 | Option exercise | +200,000 | $3.00 | $600.00K | 8,424,000 |
| Financial Ventures Group LLC I 10% owner | Jun 3, 2026 | Sale(10b5-1 plan) | −5,215 | $29.91 | $155.98K | 8,224,000 |
| Financial Ventures Group LLC I 10% owner | Jun 3, 2026 | Sale(10b5-1 plan) | −3,571 | $28.98 | $103.49K | 8,229,215 |
| Financial Ventures Group LLC I 10% owner | Jun 3, 2026 | Sale(10b5-1 plan) | −10,035 | $27.83 | $279.27K | 8,232,786 |
| Financial Ventures Group LLC I 10% owner | Jun 3, 2026 | Sale(10b5-1 plan) | −4,014 | $27.83 | $111.71K | 8,227,514 |
| Financial Ventures Group LLC I 10% owner | Jun 3, 2026 | Sale(10b5-1 plan) | −1,429 | $28.98 | $41.41K | 8,226,085 |
| Financial Ventures Group LLC I 10% owner | Jun 3, 2026 | Sale(10b5-1 plan) | −2,085 | $29.91 | $62.36K | 8,224,000 |
| Financial Ventures Group LLC I 10% owner | Jun 3, 2026 | Sale(10b5-1 plan) | −168,626 | $27.16 | $4.58M | 8,242,821 |
| Financial Ventures Group LLC I 10% owner | Jun 3, 2026 | Sale(10b5-1 plan) | −312,553 | $26.30 | $8.22M | 8,411,447 |
| Tsun Yee Law Director | Jun 3, 2026 | Option exercise | +3,428 | – | – | 78,428 |
| Jaisun Garcha Chief Financial Officer | Jun 3, 2026 | Sale(10b5-1 plan) | −15,223 | $26.84 | $408.59K | 346,992 |
| Jaisun Garcha Chief Financial Officer | Jun 3, 2026 | Sale(10b5-1 plan) | −20,000 | $26.08 | $521.60K | 345,000 |
| Jaisun Garcha Chief Financial Officer | Jun 3, 2026 | Option exercise | +20,000 | $3.00 | $60.00K | 365,000 |
| Jaisun Garcha Chief Financial Officer | Jun 3, 2026 | Sale(10b5-1 plan) | −1,761 | $27.59 | $48.59K | 345,231 |
| Jaisun Garcha Chief Financial Officer | Jun 3, 2026 | Sale(10b5-1 plan) | −174 | $28.81 | $5.01K | 345,057 |
| Jaisun Garcha Chief Financial Officer | Jun 3, 2026 | Sale(10b5-1 plan) | −57 | $29.91 | $1.70K | 345,000 |
| Jaisun Garcha Chief Financial Officer | Jun 3, 2026 | Option exercise | +17,215 | – | – | 362,215 |
| Seth Jason Berl Director | Jun 3, 2026 | Option exercise | −7,500 | – | – | 11,336 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| James John Walker Officer | Sep 3, 2026 | 25,000 | $444.17K | Sep 3, 2026 | Exercise of Stock Option |
| Financial Ventures Group Llc I 10% Stockholder | Sep 1, 2026 | 474,500 | $8.68M | Sep 1, 2026 | Open Market Purchase |
| James John Walker Officer | Sep 1, 2026 | 25,000 | $435.25K | Sep 1, 2026 | Exercise of Stock Option |
| Berl Seth Director | Jun 5, 2026 | 3,750 | $93.46K | Jun 5, 2026 | Restricted Stock Vesting Under a Registered Plan |
| Heidet Florent Officer | Jun 5, 2026 | 3,000 | $74.86K | Jun 5, 2026 | Restricted Stock Vesting Under a Registered Plan |
| Yu Jiang Director, Officer, 10% Stockholder | Jun 3, 2026 | 45,900 | $1.40M | Jun 3, 2026 | Restricted Stock Units |
| Financial Ventures Group Llc I 10% Stockholder | Jun 3, 2026 | 700,000 | $21.40M | Jun 3, 2026 | Exercise of Stock Options |
| Hare Diane Director | Jun 3, 2026 | 3,428 | $104.79K | Jun 3, 2026 | Restricted Stock Units |
| James John Walker Officer | Jun 3, 2026 | 123,688 | $3.70M | Jun 3, 2026 | Exercise of Stock Option |
| Jaisun Garcha Officer, CFO | Jun 3, 2026 | 37,215 | $1.11M | Jun 3, 2026 | Exercise of stock options |
| Berl Seth Director | Mar 2, 2026 | 3,664 | $101.44K | Mar 2, 2026 | Restricted stock vesting under a registered plan |
| Jaisun Garcha Officer | Jan 28, 2026 | 75,000 | $2.64M | Jan 28, 2026 | Exercise of stock options |
| James John Walker Officer | Jan 28, 2026 | 195,000 | $6.87M | Jan 28, 2026 | Private Subscription |
| Financial Ventures Group Llc I 10% Stockholder | Jan 28, 2026 | 888,000 | $31.15M | Jan 28, 2026 | Exercise of Stock Options |
| James John Walker Officer | Dec 29, 2025 | 25,000 | $753.07K | Dec 24, 2025 | Private Subscription |