| 0.08% |
| 4 | JANE STREET GROUP, LLC | 2.2M | $45.5M | +102.8% | 4.009% | 0.00% |
| 5 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1.9M | $39.1M | +21.9% | 3.447% | 0.00% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 1.7M | $36.3M | +3.9% | 3.198% | 0.00% |
| 7 | CITADEL ADVISORS LLC | 1.4M | $29.9M | +52.1% | 2.633% | 0.00% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 1.1M | $23.3M | +18.2% | 2.052% | 0.00% |
| 9 | STATE STREET CORP | 1.0M | $21.9M | +18.0% | 1.927% | 0.00% |
| 10 | UBS Group AG | 742K | $15.7M | +10.8% | 1.383% | 0.00% |
| 11 | MORGAN STANLEY | 646K | $13.7M | +11.1% | 1.203% | 0.00% |
| 12 | EXCHANGE TRADED CONCEPTS, LLC | 607K | $12.8M | +3.3% | 1.131% | 0.03% |
| 13 | NORTHERN TRUST CORP | 372K | $7.9M | +14.0% | 0.693% | 0.00% |
| 14 | VANGUARD PORTFOLIO MANAGEMENT LLC | 342K | $7.2M | +20.8% | 0.638% | 0.00% |
| 15 | Walleye Trading LLC | 307K | $6.5M | -8.0% | 0.571% | 0.01% |
| 16 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 287K | $6.1M | -7.4% | 0.535% | 0.00% |
| 17 | LPL Financial LLC | 268K | $5.7M | +2.4% | 0.498% | 0.00% |
| 18 | VANGUARD FIDUCIARY TRUST CO | 257K | $5.4M | -0.8% | 0.478% | 0.00% |
| 19 | BNP PARIBAS FINANCIAL MARKETS | 247K | $5.2M | +204.5% | 0.461% | 0.00% |
| 20 | Daiwa Securities Group Inc. | 228K | $4.8M | 0.0% | 0.424% | 0.01% |
| 21 | D. E. Shaw & Co., Inc. | 185K | $3.9M | +23.2% | 0.344% | 0.00% |
| 22 | WELLS FARGO & COMPANY/MN | 184K | $3.9M | +21.0% | 0.344% | 0.00% |
| 23 | Lido Advisors, LLC | 172K | $3.6M | 0.0% | 0.320% | 0.01% |
| 24 | Regal Partners Ltd | 142K | $3.0M | -85.5% | 0.265% | 0.17% |
| 25 | Defiance ETFs, LLC | 144K | $3.0M | +194.6% | 0.269% | 0.04% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in NNE — a direct measure of their conviction.
| 29.00% |
| +0.57 pp |
| $258M |
| +5.8% |
| Q4 2024 | 112 | +149% | 28.43% | +23.41 pp | $244M | +1071% |
| Q3 2024 | 45 | — | 5.02% | — | $21M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
44 institutions opened new positions in NNE during Q2 2026, while 29 fully exited. 137 added to existing positions and 44 trimmed.
NNE institutional ownership rose by 1.20 percentage points quarter-over-quarter, with a net change of +16 holders.
The top 10 institutions account for 71.6% of all reported 13F value in NNE, and the top 25 account for 87.0%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Nano Nuclear Energy Inc. (NNE) Institutional Ownership