One Nuclear EnergyONEN
13F holders, Q2 2026 (June 30)56holders +3
8new positions
5sold out
3famous investors
$10.45avg. 13F price*
At the end of Q2 2026, 56 institutions reported holding One Nuclear Energy Inc. (ONEN) in their 13F filings, up 3 from Q1 2026. 8 opened new positions and 5 sold out. The largest holders were Highbridge Capital Management LLC ($17.6M), TENOR CAPITAL MANAGEMENT Co., L.P. ($15.7M) and Linden Advisors LP ($15.3M). 3 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- One Nuclear Energy Inc.
- Filed as
- HENNESSY CAP INVT CORP VII (Q2 2026)
- CUSIP
- G4405D107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 8 | $3.7M |
| Exits | 5 | $15.2M |
All 13F filers, Q1 2026 → Q2 2026: 1,737,286 shares bought and 1,644,427 shares sold, net +92,859 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 56 holders
| Highbridge Capital Management LLC | 1.16% | Add +1.7% | 1,690,479 | $17.6M |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 1.07% | No change | 1,500,000 | $15.7M |
| Linden Advisors LP | 0.68% | No change | 1,463,732 | $15.3M |
| Verbena Value LP | 2.11% | No change | 1,222,740 | $12.8M |
| Berkley W R Corp. | 0.57% | Add +51.2% | 1,101,473 | $11.5M |
| AQR Arbitrage LLC | 0.18% | Reduce -4.0% | 1,011,784 | $10.6M |
| Glazer Capital, LLC | 0.27% | Add +42.9% | 999,993 | $10.4M |
| D. E. Shaw & Co. | 0.01% | No change | 940,500 | $9.8M |
| Crossingbridge Advisors, LLC | 1.85% | No change | 940,222 | $9.8M |
| Magnetar Financial LLC | 0.07% | No change | 665,000 | $6.9M |
| Radcliffe Capital Management, L.P. | 0.57% | No change | 525,544 | $5.5M |
| RiverPark Advisors, LLC | 2.46% | No change | 475,322 | $5.0M |
| Mizuho Securities USA LLC | 0.07% | Add +60.0% | 421,750 | $4.4M |
| Rivernorth Capital Management, LLC | 0.20% | Reduce -0.1% | 398,656 | $4.2M |
| Goldman Sachs Group Inc. | 0.00% | No change | 369,995 | $3.9M |
| Wealthspring Capital LLC | 0.84% | Add +112.1% | 353,542 | $3.7M |
| LMR Partners LLP | 0.03% | No change | 350,000 | $3.7M |
| Sculptor Capital LP | 0.06% | No change | 347,606 | $3.6M |
| Meteora Capital, LLC | 0.26% | No change | 300,000 | $3.1M |
| Moore Capital Management, LP | 0.07% | No change | 300,000 | $3.1M |
| Qube Research & Technologies Ltd | 0.00% | No change | 293,951 | $3.1M |
| Toronto Dominion Bank | 0.00% | Reduce -25.0% | 262,502 | $2.7M |
| Clear Street Group Inc. | 0.01% | Add +354.1% | 247,078 | $2.6M |
| SkyView Investment Advisors, LLC | 1.66% | New | 201,320 | $2.1M |
| Whitebox Advisors LLC | 0.11% | No change | 200,000 | $2.1M |
| Bank of America Corp. | 0.00% | No change | 200,000 | $2.1M |
| Brevan Howard Capital Management LP | 0.03% | Add +150.0% | 200,000 | $2.1M |
| Gritstone Asset Management LLC | 2.04% | No change | 197,899 | $2.1M |
| HRT Financial LP | 0.00% | No change | 167,145 | $1.7M |
| Picton Mahoney Asset Management | 0.01% | No change | 150,000 | $1.6M |
| DLD Asset Management, LP | 0.42% | No change | 146,667 | $1.5M |
| Aristeia Capital, L.L.C. | 0.05% | No change | 125,000 | $1.3M |
| Shaolin Capital Management LLC | 0.14% | Add +17.5% | 117,465 | $1.2M |
| Periscope Capital Inc. | 0.17% | Reduce -20.0% | 100,000 | $1.0M |
| Cantor Fitzgerald, L. P. | 0.02% | No change | 89,590 | $936K |
| Millennium Management | 0.00% | No change | 75,000 | $784K |
| Heights Capital Management, Inc. | 0.15% | No change | 60,000 | $627K |
| Context Capital Management, LLC | 0.13% | No change | 60,000 | $627K |
| Cannon Global Investment Management, LLC | 1.84% | Add +0.7% | 58,400 | $610K |
| Wolverine Asset Management LLC | 0.03% | Reduce -12.3% | 56,632 | $592K |
| CSS LLC | 0.07% | No change | 51,900 | $542K |
| Stoic Point Capital Management LLC | 0.42% | New | 50,000 | $504K |
| K2 Principal Fund, L.P. | 0.13% | No change | 46,922 | $490K |
| Parallax Volatility Advisers, L.P. | 0.02% | New | 37,390 | $391K |
| StoneX Group Inc. | 0.01% | New | 30,000 | $312K |
| Davidson Kempner Capital Management LP | 0.01% | No change | 24,600 | $257K |
| Geode Capital Management, LLC | 0.00% | Reduce -24.1% | 22,239 | $232K |
| Centiva Capital, LP | 0.01% | New | 15,900 | $166K |
| Shay Capital LLC | 0.02% | No change | 14,135 | $148K |
| Robinson Capital Management, LLC | 0.06% | New | 12,250 | $128K |
| Citadel Advisors | 0.00% | New | 10,635 | $111K |
| Lineage Point Capital LP | 0.02% | No change | 10,000 | $105K |
| Barclays PLC | 0.00% | No change | 10,000 | $105K |
| Arax Advisory Partners | 0.00% | New | 2,673 | $28K |
| FNY Investment Advisers, LLC | 0.00% | Reduce -77.5% | 1,160 | $12K |
| Morgan Stanley | 0.00% | Reduce -22.7% | 58 | $606 |
"% of holder's portfolio" is ONEN's weight in each manager's 13F, not the share of One Nuclear Energy Inc. the manager owns.