Nano Nuclear Energy Inc.

NNE

Exchange: Nasdaq
Industry: Electric Services
SEC CIK: 0001923891

SEC filings (opens in a new tab)

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.

Q3 2025 vs. Q2 2025

How the institutions holding Nano Nuclear Energy Inc. changed between Q2 2025 and Q3 2025.

All holders in Q3 2025 All holders in Q2 2025

13F holders of NNE: Q2 2025 compared with Q3 2025
Measure	Q2 2025	Of which not filed for Q3 2025	Q3 2025	Change
Holders	176	1	204	+29
Shares	12.1M	16.2K	16.3M	+4.24M (+35.0%)
Value	$417.8M	$557.4K	$630.0M	+$212.8M (+51.0%)

1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (57)

Institutions that held Nano Nuclear Energy Inc. at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to NNE in Q3 2025
Institution	Shares	Value	% of portfolio
Virtu Financial LLC	119,832	$4.62M	0.26%
Pinebridge Investments, L.P.	82,568	$3.18M	0.02%
Legacy Advisors, LLC	53,508	$2.06M	0.25%
Maxi Investments CY Ltd	35,500	$1.37M	0.28%
Rockefeller Capital Management L.P.	33,655	$1.30M	0.00%
CAPROCK Group, Inc.	34,944	$1.14M	0.03%
Scientech Research LLC	28,871	$1.11M	0.39%
Quadrature Capital Ltd	27,708	$1.07M	0.01%
Simplex Trading, LLC	23,052	$888.0K	0.02%
Ellsworth Advisors, LLC	16,746	$882.8K	0.19%
Millennium Management LLC	22,594	$871.2K	0.00%
First Trust Advisors LP	21,144	$815.3K	0.00%
Summit Financial, LLC	20,854	$804.1K	0.01%
Private Advisor Group, LLC	17,355	$669.2K	0.00%
Venturi Wealth Management, LLC	17,114	$659.9K	0.03%
Engineers Gate Manager LP	12,920	$498.2K	0.01%
Counterpoint Mutual Funds LLC	12,529	$483.1K	0.04%
Navis Wealth Advisors, LLC	11,000	$424.2K	0.32%
CoreCap Advisors, LLC	9,950	$383.7K	0.01%
Prosperity Wealth Management, Inc.	8,600	$331.6K	0.11%
HRT Financial LP	8,362	$322.0K	0.00%
Toroso Investments, LLC	7,889	$304.2K	0.00%
Hennion & Walsh Asset Management, Inc.	7,588	$292.6K	0.01%
Tudor Investment Corp Et Al	7,232	$278.9K	0.00%
GTS Securities LLC	6,990	$269.5K	0.01%
Janney Montgomery Scott LLC	6,439	$248.0K	0.00%
Silverlake Wealth Management LLC	6,217	$239.7K	0.06%
AQR Capital Management LLC	6,128	$236.3K	0.00%
Wedbush Securities Inc	6,100	$235.0K	0.01%
SEI Investments Co	5,990	$231.0K	0.00%
Accel Wealth Management	5,709	$220.1K	0.06%
Walleye Capital LLC	5,676	$218.9K	0.00%
State Board of Administration of Florida Retirement System	5,638	$217.4K	0.00%
ProShare Advisors LLC	5,323	$205.3K	0.00%
Kingswood Wealth Advisors, LLC	5,319	$205.1K	0.01%
Fountainhead AM, LLC	5,233	$201.8K	0.03%
Walleye Trading LLC	3,788	$146.1K	0.00%
Parallax Volatility Advisers, L.P.	3,630	$140.0K	0.00%
National Bank of Canada	3,184	$122.8K	0.00%
Tripletail Wealth Management, LLC	1,110	$64.7K	0.08%
Caitong International Asset Management Co., Ltd	1,250	$48.2K	0.03%
Vestor Capital, LLC	1,136	$44.0K	0.00%
Archer Investment Corp	1,000	$38.6K	0.01%
Quarry LP	543	$20.9K	0.01%
Bogart Wealth, LLC	500	$19.3K	0.00%
Ramirez Asset Management, Inc.	500	$19.3K	0.00%
JPL Wealth Management, LLC	500	$19.3K	0.00%
Manchester Capital Management LLC	400	$15.4K	0.00%
Delos Wealth Advisors, LLC	300	$11.6K	0.01%
Optiver Holding B.V.	235	$9.06K	0.00%
Comerica Bank	107	$4.13K	0.00%
Adirondack Trust Co	95	$3.66K	0.00%
Massmutual Trust Co FSB	75	$2.89K	0.00%
SWAN Capital LLC	70	$2.70K	0.00%
EverSource Wealth Advisors, LLC	34	$1.31K	0.00%
SRS Capital Advisors, Inc.	28	$1.08K	0.00%
Wealthspire Advisors, LLC	1	$39	0.00%

Sold out (28)

Institutions that held Nano Nuclear Energy Inc. at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of NNE in Q3 2025
Institution	Shares, Q2 2025	Value, Q2 2025
Hood River Capital Management LLC	925,926	$31.9M
Baird Financial Group, Inc.	46,600	$1.61M
Nomura Holdings Inc	25,956	$895.2K
Verition Fund Management LLC	24,139	$832.6K
Koshinski Asset Management, Inc.	15,780	$544.3K
Financial Advocates Investment Management	10,596	$365.5K
Marex Group plc	10,447	$360.3K
J.W. Cole Advisors, Inc.	10,212	$352.2K
Per Stirling Capital Management, LLC.	10,049	$346.6K
FORA Capital, LLC	9,007	$310.7K
DRW Securities, LLC	7,784	$268.5K
Jane Street Group, LLC	6,460	$222.8K
State of Wisconsin Investment Board	6,307	$217.5K
Meeder Asset Management Inc	3,122	$107.7K
PEAK6 LLC	3,110	$107.3K
Salem Investment Counselors Inc	1,835	$63.3K
Total Investment Management Inc	1,731	$59.7K
CarsonAllaria Wealth Management, Ltd.	844	$29.1K
Aster Capital Management (DIFC) Ltd	492	$17.0K
Natixis	392	$13.5K
CBIZ Investment Advisory Services, LLC	225	$7.76K
Evolution Wealth Management Inc.	200	$6.90K
Cape Investment Advisory, Inc.	170	$5.86K
Sawyer & Company, Inc	155	$3.28K
Strategic Investment Solutions, Inc.	90	$3.10K
Fort Vancouver Investment Management, LLC	70	$2.42K
Roxbury Financial LLC	54	$1.86K
Bokf, NA	50	$1.73K

Not filed for Q3 2025 yet (1)

Institutions that held Nano Nuclear Energy Inc. at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding NNE in Q2 2025 that haven't filed for Q3 2025
Institution	Shares, Q2 2025	Value, Q2 2025
Avantax Advisory Services, Inc.	16,162	$557.4K