One Nuclear EnergyONEN
13F holders, Q1 2025 (March 31)28holders
1famous investor
$9.85avg. 13F price*
At the end of Q1 2025, 28 institutions reported holding One Nuclear Energy Inc. (ONEN) in their 13F filings. The largest holders were Healthcare of Ontario Pension Plan Trust Fund ($14.8M), AQR Arbitrage LLC ($12.7M) and Linden Advisors LP ($12.0M). One famous investor held it David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- One Nuclear Energy Inc.
- Filed as
- HENNESSY CAP INVT CORP VII (Q1 2025)
- CUSIP
- G4405D107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 28 | $132.3M |
| Exits | 0 | $0 |
Ownership 28 holders
| Healthcare of Ontario Pension Plan Trust Fund | 0.03% | New | 1,500,000 | $14.8M |
| AQR Arbitrage LLC | 0.56% | New | 1,288,444 | $12.7M |
| Linden Advisors LP | 2.62% | New | 1,213,732 | $12.0M |
| K2 Principal Fund, L.P. | 5.89% | New | 1,049,683 | $10.4M |
| Glazer Capital, LLC | 0.52% | New | 1,027,505 | $10.2M |
| D. E. Shaw & Co. | 0.01% | New | 899,662 | $8.9M |
| Toronto Dominion Bank | 0.02% | New | 719,137 | $6.7M |
| Berkley W R Corp. | 0.47% | New | 646,230 | $6.4M |
| Two Sigma Investments, LP | 0.01% | New | 634,375 | $6.3M |
| Mizuho Securities USA LLC | 0.12% | New | 577,959 | $5.7M |
| Periscope Capital Inc. | 3.10% | New | 500,000 | $4.9M |
| Polar Asset Management Partners Inc. | 0.23% | New | 500,000 | $4.9M |
| Mangrove Partners Im, LLC | 0.51% | New | 450,000 | $4.4M |
| LMR Partners LLP | 0.12% | New | 450,000 | $4.4M |
| Goldman Sachs Group Inc. | 0.00% | New | 444,056 | $4.4M |
| Picton Mahoney Asset Management | 0.08% | New | 250,000 | $2.5M |
| Schonfeld Strategic Advisors LLC | 0.02% | New | 250,000 | $2.5M |
| Shaolin Capital Management LLC | 0.69% | New | 200,000 | $2.0M |
| Whitebox Advisors LLC | 0.17% | New | 200,000 | $2.0M |
| Context Capital Management, LLC | 2.48% | New | 187,500 | $1.9M |
| Centiva Capital, LP | 0.06% | New | 100,000 | $988K |
| CSS LLC | 0.18% | New | 91,150 | $901K |
| Clear Street LLC | 0.02% | New | 89,422 | $883K |
| Kepos Capital LP | 0.41% | New | 50,000 | $494K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | New | 50,000 | $494K |
| Virtu Financial LLC | 0.02% | New | 43,468 | $429K |
| Cantor Fitzgerald, L. P. | 0.01% | New | 24,800 | $245K |
| Morgan Stanley | 0.00% | New | 55 | $543 |
"% of holder's portfolio" is ONEN's weight in each manager's 13F, not the share of One Nuclear Energy Inc. the manager owns.