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.
Holders of 5% or more of NNE
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Nano Nuclear Energy Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| I Financial Ventures Group LLC | 13G/A | 17.50%9.22M shares | −2.10 ppfrom 19.60% | Feb 13, 20253 filings | Feb 4, 2026 | SEC |
| Van Eck Associates Corp | 13G/A | 7.30%3.82M shares | +1.05 ppfrom 6.25% | Nov 12, 20252 filings | Aug 14, 2026 | SEC |
| BlackRock, Inc. | 13G/A | 6.50%3.41M shares | +1.10 ppfrom 5.40% | Oct 17, 20252 filings | Jul 29, 2026 | SEC |
| Global X Management CO LLC | 13G | 5.64%2.94M shares | New | May 15, 20261 filing | May 15, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
10 Schedule 13D and 13G filings on Nano Nuclear Energy Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 14, 20264:08 PM ET | Van Eck Associates Corp | 13G/A | 7.30%3.82M shares | +1.05 ppfrom 6.25% | Jun 30, 2026 | SEC |
| Jul 29, 20263:19 PM ET | BlackRock, Inc. | 13G/A | 6.50%3.41M shares | +1.10 ppfrom 5.40% | Jun 30, 2026 | SEC |
| May 15, 20269:52 PM ET | Global X Management CO LLC | 13G | 5.64%2.94M shares | New | Mar 31, 2026 | SEC |
| Feb 17, 20264:54 PM ET | Citadel Securities GP LLCand 6 others | 13G/A | 3.90%1.96M shares | −1.20 ppfrom 5.10%Below 5% | Dec 31, 2025 | SEC |
| Feb 4, 20265:27 PM ET | I Financial Ventures Group LLCand 1 other | 13G/A | 17.50%9.22M shares | −2.10 ppfrom 19.60% | Jan 28, 2026 | SEC |
| Jan 2, 20265:21 PM ET | I Financial Ventures Group LLCand 1 other | 13G/A | 19.60%10.1M shares | −8.73 ppfrom 28.33% | Dec 24, 2025 | SEC |
| Nov 12, 20254:03 PM ET | Van Eck Associates Corp | 13G | 6.25%2.60M shares | New | Sep 30, 2025 | SEC |
| Oct 21, 20256:25 PM ET | Citadel Securities GP LLCand 6 others | 13G | 5.10%2.55M shares | New | Oct 14, 2025 | SEC |
| Oct 17, 20256:24 PM ET | BlackRock, Inc. | 13G | 5.40%2.23M shares | New | Sep 30, 2025 | SEC |
| Feb 13, 20254:01 PM ET | I Financial Ventures Group LLCand 1 other | 13G | 28.33%10.7M shares | New | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Nano Nuclear Energy Inc. shares.
No Form 144 notices for Nano Nuclear Energy Inc. are on file.