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NNE · Nano Nuclear Energy Inc.

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$19.25 +0.98 (+5.34%) At close · Aug 25
Market Cap
$978.38M
Shares
53.70M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 236
Total Value: $613,869,272
Total Shares: 29,039,222

Institutional Ownership Trend

9 quarters

Holder Concentration

Across 236 13F filers · Δ vs Mar 31, 2026
Top Holder
13.2%
Jun 2024 → Jun 2026 · range 10.2% – 47.2%
+1.4 pts
Top 5
49.5%
Jun 2024 → Jun 2026 · range 41.1% – 83.1%
+4.7 pts
Top 10
70.2%
Jun 2024 → Jun 2026 · range 63.4% – 99.3%
+6.8 pts
HHI
639
Jun 2024 → Jun 2026 · range 528 – 2,529
Broadly held+74

Quarterly Activity

vs Mar 31, 2026
New
54
Increased
80
Decreased
48
Sold Out
39
Unchanged
54
Holder count: +15
Institutional value: +16.6%
Shares held: +13.0%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 252
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1923891 CUSIP 63010H108 13F (30d) 197 filings 191 filers Visit website Investor relations