Hadron EnergyHDRN
13F holders, Q3 2025 (September 30)30holders
3new positions
2sold out
1famous investor
$10.55avg. 13F price*
At the end of Q3 2025, 30 institutions reported holding Hadron Energy Inc. (HDRN) in their 13F filings, unchanged from Q2 2025. 3 opened new positions and 2 sold out. The largest holders were AQR Arbitrage LLC ($18.9M), Aristeia Capital, L.L.C. ($18.1M) and Karpus Management, Inc. ($18.0M). One famous investor held it David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Hadron Energy Inc.
- Filed as
- GIGCAPITAL7 CORP (Q3 2025)
- CUSIP
- G38648104
- Latest filing quarter
- Q1 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 3 | $2.4M |
| Exits | 2 | $833K |
All 13F filers, Q2 2025 → Q3 2025: 2,312,776 shares bought and 2,529,504 shares sold, net −216,728 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 30 holders
| AQR Arbitrage LLC | 0.67% | Reduce -2.7% | 1,797,786 | $18.9M |
| Aristeia Capital, L.L.C. | 0.93% | No change | 1,715,431 | $18.1M |
| Karpus Management, Inc. | 0.57% | Reduce -2.2% | 1,703,124 | $18.0M |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 1.93% | Add +232.9% | 1,690,136 | $17.8M |
| Yakira Capital Management, Inc. | 6.37% | Reduce -8.3% | 1,607,586 | $17.0M |
| D. E. Shaw & Co. | 0.01% | No change | 990,000 | $10.4M |
| Calamos Advisors LLC | 0.06% | No change | 925,000 | $9.7M |
| Wolverine Asset Management LLC | 0.66% | Add +51.7% | 890,035 | $9.4M |
| Westchester Capital Management, LLC | 0.43% | Add +5.3% | 789,000 | $8.3M |
| Whitebox Advisors LLC | 0.52% | No change | 760,000 | $8.0M |
| Picton Mahoney Asset Management | 0.09% | Reduce -4.2% | 687,200 | $7.3M |
| Berkley W R Corp. | 0.40% | No change | 580,648 | $6.1M |
| Radcliffe Capital Management, L.P. | 1.13% | Add +3240.8% | 523,973 | $5.5M |
| Glazer Capital, LLC | 0.20% | Add +4.5% | 509,827 | $5.4M |
| First Trust Capital Management L.P. | 0.35% | Reduce -16.8% | 508,164 | $5.4M |
| Two Sigma Investments, LP | 0.01% | No change | 483,905 | $5.1M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -2.5% | 467,349 | $4.9M |
| Bulldog Investors, LLP | 0.78% | Reduce -10.8% | 319,285 | $3.4M |
| Mint Tower Capital Management B.V. | 0.78% | No change | 300,000 | $3.2M |
| Rivernorth Capital Management, LLC | 0.14% | No change | 236,019 | $2.5M |
| Periscope Capital Inc. | 0.60% | Add +12.5% | 225,000 | $2.4M |
| Cable Car Capital, LP | 1.58% | Reduce -59.8% | 200,000 | $2.1M |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.01% | Reduce -41.7% | 174,991 | $1.8M |
| Toronto Dominion Bank | 0.00% | New | 124,890 | $1.3M |
| Mizuho Securities USA LLC | 0.02% | Reduce -54.2% | 100,000 | $1.0M |
| Quarry LP | 0.16% | New | 56,690 | $598K |
| Kepos Capital LP | 3.10% | Reduce -96.7% | 50,000 | $528K |
| Moore Capital Management, LP | 0.01% | New | 50,000 | $528K |
| Schonfeld Strategic Advisors LLC | 0.00% | Reduce -39.2% | 39,519 | $417K |
| Healthcare of Ontario Pension Plan Trust Fund | 0.00% | No change | 800 | $8K |
"% of holder's portfolio" is HDRN's weight in each manager's 13F, not the share of Hadron Energy Inc. the manager owns.