Hadron EnergyHDRN
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 35 institutions reported holding Hadron Energy Inc. (HDRN) in their 13F filings, down 7 from Q4 2025. 3 opened new positions and 10 sold out. The largest holders were TENOR CAPITAL MANAGEMENT Co., L.P. ($20.2M), Berkley W R Corp. ($18.5M) and Highbridge Capital Management LLC ($18.5M). 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
- Hadron Energy Inc.
- Filed as
- GIGCAPITAL7 CORP (Q1 2026)
- CUSIP
- G38648104
- Latest filing quarter
- Q1 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 3 | $9.6M |
| Exits | 10 | $17.7M |
All 13F filers, Q4 2025 → Q1 2026: 3,399,803 shares bought and 3,360,588 shares sold, net +39,215 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 35 holders
| TENOR CAPITAL MANAGEMENT Co., L.P. | 1.36% | No change | 1,894,982 | $20.2M |
| Berkley W R Corp. | 0.99% | Add +309.8% | 1,735,682 | $18.5M |
| Highbridge Capital Management LLC | 1.78% | Reduce -7.7% | 1,734,352 | $18.5M |
| Mizuho Securities USA LLC | 0.37% | Add +71.4% | 1,453,030 | $15.4M |
| Toronto Dominion Bank | 0.03% | Add +80.4% | 1,219,887 | $13.0M |
| AQR Arbitrage LLC | 0.23% | No change | 1,105,491 | $11.8M |
| Aristeia Capital, L.L.C. | 0.42% | No change | 1,005,240 | $10.7M |
| D. E. Shaw & Co. | 0.01% | No change | 990,000 | $10.5M |
| Yakira Capital Management, Inc. | 2.00% | Reduce -0.9% | 637,885 | $6.8M |
| Boothbay Fund Management, LLC | 0.15% | New | 603,899 | $6.4M |
| Whitebox Advisors LLC | 0.32% | No change | 550,000 | $5.9M |
| Westchester Capital Management, LLC | 0.20% | No change | 393,423 | $4.2M |
| Shay Capital LLC | 0.52% | Reduce -30.5% | 344,170 | $3.7M |
| Goldman Sachs Group Inc. | 0.00% | No change | 287,598 | $3.1M |
| Radcliffe Capital Management, L.P. | 0.35% | No change | 286,789 | $3.1M |
| First Trust Capital Management L.P. | 0.15% | Reduce -15.9% | 264,784 | $2.8M |
| Linden Advisors LP | 0.15% | No change | 250,000 | $2.7M |
| Polar Asset Management Partners Inc. | 0.09% | New | 250,000 | $2.7M |
| Millennium Management | 0.00% | Reduce -36.8% | 250,000 | $2.7M |
| Moore Capital Management, LP | 0.08% | No change | 200,000 | $2.1M |
| Mint Tower Capital Management B.V. | 0.46% | No change | 199,799 | $2.1M |
| Rivernorth Capital Management, LLC | 0.10% | Reduce -9.8% | 185,130 | $2.0M |
| Clear Street Group Inc. | 0.01% | Add +11.0% | 122,400 | $1.3M |
| Ionic Capital Management LLC | 0.75% | No change | 70,000 | $746K |
| Citadel Advisors | 0.00% | Reduce -92.5% | 56,804 | $605K |
| DLD Asset Management, LP | 0.16% | New | 50,840 | $541K |
| Susquehanna International Group, LLP | 0.00% | Add +80.4% | 47,718 | $508K |
| Geode Capital Management, LLC | 0.00% | Reduce -25.3% | 39,838 | $424K |
| Wolverine Asset Management LLC | 0.01% | No change | 26,238 | $279K |
| Cantor Fitzgerald, L. P. | 0.01% | No change | 25,000 | $266K |
| JPMorgan Chase & Co. | 0.00% | Add +0.2% | 19,929 | $212K |
| Alpine Global Management, LLC | 0.02% | Reduce -95.2% | 10,000 | $107K |
| UBS Group AG | 0.00% | Add +30.8% | 2,402 | $26K |
| Healthcare of Ontario Pension Plan Trust Fund | 0.00% | No change | 800 | $9K |
| Morgan Stanley | 0.00% | Add +13.7% | 174 | $2K |
"% of holder's portfolio" is HDRN's weight in each manager's 13F, not the share of Hadron Energy Inc. the manager owns.