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.

Q1 2026 vs. Q4 2025

How the institutions holding Nano Nuclear Energy Inc. changed between Q4 2025 and Q1 2026.

All holders in Q1 2026 All holders in Q4 2025

13F holders of NNE: Q4 2025 compared with Q1 2026
Measure	Q4 2025	Of which not filed for Q1 2026	Q1 2026	Change
Holders	207	4	221	+18
Shares	25.9M	2.27M	23.2M	−396.8K (−1.7%)
Value	$621.5M	$54.4M	$475.6M	−$91.5M (−16.1%)

4 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (51)

Institutions that held Nano Nuclear Energy Inc. at the end of Q1 2026 but not at the end of Q4 2025.

Institutions new to NNE in Q1 2026
Institution	Shares	Value	% of portfolio
Vanguard Capital Management LLC	1,653,041	$33.9M	0.00%
Two Sigma Investments, LP	288,808	$5.91M	0.00%
Vanguard Portfolio Management LLC	283,403	$5.80M	0.00%
Vanguard Fiduciary Trust Co	258,726	$5.30M	0.00%
Daiwa Securities Group Inc.	113,800	$2.33M	0.01%
Group One Trading, L.P.	108,343	$2.22M	0.07%
Brevan Howard Capital Management LP	55,152	$1.13M	0.01%
Defiance ETFs, LLC	48,984	$1.00M	0.01%
Walleye Trading LLC	40,413	$827.7K	0.02%
Ameriprise Financial Inc	35,720	$731.5K	0.00%
Squarepoint Ops LLC	28,001	$573.5K	0.00%
Vanguard Asset Management, Ltd	26,249	$537.6K	0.00%
Simplex Trading, LLC	25,472	$521.7K	0.02%
Skopos Labs, Inc.	25,334	$518.8K	0.02%
Bank of Montreal	22,852	$468.0K	0.00%
Dark Forest Capital Management LP	19,033	$389.8K	0.03%
Atom Investors LP	16,560	$339.1K	0.02%
Foundations Investment Advisors, LLC	15,738	$322.3K	0.00%
Vanguard Global Advisers, LLC	14,701	$301.1K	0.00%
Walser Wealth Management Company, A Ltd Liability Co	12,651	$259.1K	0.12%
Axiom Investment Management LLC	12,010	$246.0K	0.19%
Qsemble Capital Management, LP	11,623	$238.0K	0.02%
Jump Financial, LLC	11,562	$236.8K	0.00%
Navis Wealth Advisors, LLC	11,000	$225.3K	0.11%
Janney Montgomery Scott LLC	10,592	$217.0K	0.00%
Vanguard Investments Australia, Ltd.	9,505	$194.7K	0.00%
Bayforest Capital Ltd	5,625	$115.2K	0.13%
Caitlin John, LLC	2,400	$49.2K	0.03%
Aster Capital Management (DIFC) Ltd	1,777	$47.0K	0.02%
Golden State Equity Partners	1,755	$35.9K	0.00%
Philadelphia Investment Partners, LLC	1,224	$25.1K	0.02%
McIlrath & Eck, LLC	900	$18.4K	0.00%
Forum Finance Group S.A.	935	$15.0K	0.01%
Bokf, NA	720	$14.7K	0.00%
Smartleaf Asset Management LLC	599	$11.4K	0.00%
Sachetta, LLC	500	$10.2K	0.01%
Truvestments Capital LLC	489	$10.0K	0.00%
Cornerstone Planning Group LLC	400	$9.11K	0.00%
Atwood & Palmer Inc	375	$7.68K	0.00%
Mather Group, LLC.	360	$7.37K	0.00%
Bogart Wealth, LLC	310	$6.35K	0.00%
Spire Wealth Management	300	$6.14K	0.00%
Wealth Enhancement Trust Services, Inc.	205	$4.19K	0.00%
Sawyer & Company, Inc	155	$3.17K	0.00%
Armstrong Advisory Group, Inc	142	$2.91K	0.00%
Merkkuri Wealth Advisors LLC	120	$2.45K	0.00%
Ancora Advisors, LLC	100	$2.05K	0.00%
Princeton Global Asset Management LLC	94	$1.93K	0.00%
Roxbury Financial LLC	42	$860	0.00%
Bare Financial Services, Inc	21	$430	0.00%
Root Financial Partners, LLC	16	$328	0.00%

Sold out (33)

Institutions that held Nano Nuclear Energy Inc. at the end of Q4 2025 and filed for Q1 2026 without it.

Institutions that sold out of NNE in Q1 2026
Institution	Shares, Q4 2025	Value, Q4 2025
Ghisallo Capital Management LLC	1,592,000	$38.2M
D. E. Shaw & Co., Inc.	142,445	$3.42M
Franklin Resources Inc	48,839	$1.17M
Virtu Financial LLC	35,977	$864.0K
State of Wisconsin Investment Board	27,704	$665.2K
Oppenheimer & Co Inc	16,044	$385.2K
Quest Partners LLC	12,505	$300.2K
Wealth Enhancement Advisory Services, LLC	8,751	$279.3K
Creative Planning	11,345	$272.4K
Mirae Asset Securities (USA) Inc.	10,650	$255.7K
Stonehage Fleming Financial Services Holdings Ltd	10,639	$255.4K
Intech Investment Management LLC	10,500	$252.1K
Axq Capital, LP	10,174	$244.3K
Ballast Financial Advisors LLC	10,000	$240.1K
GTS Securities LLC	9,882	$237.3K
Carlson Financial, Inc.	9,346	$224.4K
Flow Traders U.S. LLC	9,232	$222.0K
Caitong International Asset Management Co., Ltd	9,194	$220.7K
Cornerstone Wealth Management, LLC	9,155	$219.8K
We Are One Seven, LLC	8,949	$214.9K
AQR Capital Management LLC	8,684	$208.5K
Captrust Financial Advisors	8,393	$201.5K
Kestra Advisory Services, LLC	6,402	$153.7K
Amalgamated Bank	1,258	$30.0K
Flagship Harbor Advisors, LLC	910	$21.8K
Ramirez Asset Management, Inc.	500	$12.0K
Cape Investment Advisory, Inc.	420	$10.1K
Federated Hermes, Inc.	408	$9.80K
Greenline Wealth Management LLC	287	$6.88K
Darwin Advisors, LLC	250	$6.00K
Winnow Wealth LLC	158	$3.95K
Signature Equity Partners, LLC	100	$2.40K
Garner Asset Management Corp	40	$960

Not filed for Q1 2026 yet (4)

Institutions that held Nano Nuclear Energy Inc. at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding NNE in Q4 2025 that haven't filed for Q1 2026
Institution	Shares, Q4 2025	Value, Q4 2025
Vanguard Group Inc	2,264,051	$54.4M
Global Retirement Partners, LLC	2,139	$51.4K
CIBC Private Wealth Group, LLC	238	$5.71K
ORG Partners LLC	135	$3.24K