Hadron EnergyHDRN
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 42 institutions reported holding Hadron Energy Inc. (HDRN) in their 13F filings, up 12 from Q3 2025. 20 opened new positions and 8 sold out. The largest holders were TENOR CAPITAL MANAGEMENT Co., L.P. ($20.0M), Highbridge Capital Management LLC ($19.8M) and AQR Arbitrage LLC ($11.7M). 3 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Hadron Energy Inc.
- Filed as
- GIGCAPITAL7 CORP (Q4 2025)
- CUSIP
- G38648104
- Latest filing quarter
- Q1 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 20 | $53.6M |
| Exits | 8 | $40.5M |
All 13F filers, Q3 2025 → Q4 2025: 6,995,437 shares bought and 9,226,726 shares sold, net −2,231,289 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 42 holders
| TENOR CAPITAL MANAGEMENT Co., L.P. | 1.68% | Add +12.1% | 1,894,982 | $20.0M |
| Highbridge Capital Management LLC | 1.57% | New | 1,878,437 | $19.8M |
| AQR Arbitrage LLC | 0.31% | Reduce -38.5% | 1,105,491 | $11.7M |
| Aristeia Capital, L.L.C. | 0.53% | Reduce -41.4% | 1,005,240 | $10.6M |
| D. E. Shaw & Co. | 0.01% | No change | 990,000 | $10.4M |
| Mizuho Securities USA LLC | 0.15% | Add +747.7% | 847,683 | $8.9M |
| Citadel Advisors | 0.01% | New | 754,300 | $8.0M |
| Toronto Dominion Bank | 0.01% | Add +441.5% | 676,300 | $7.1M |
| Yakira Capital Management, Inc. | 2.31% | Reduce -59.9% | 643,960 | $6.8M |
| Whitebox Advisors LLC | 0.36% | Reduce -27.6% | 550,000 | $5.8M |
| Shay Capital LLC | 0.84% | New | 495,328 | $5.2M |
| Berkley W R Corp. | 0.26% | Reduce -27.1% | 423,595 | $4.5M |
| Millennium Management | 0.00% | New | 395,698 | $4.2M |
| Westchester Capital Management, LLC | 0.20% | Reduce -50.1% | 393,423 | $4.1M |
| Two Sigma Investments, LP | 0.01% | Reduce -29.3% | 341,959 | $3.6M |
| First Trust Capital Management L.P. | 0.20% | Reduce -38.0% | 314,885 | $3.3M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -38.5% | 287,598 | $3.0M |
| Radcliffe Capital Management, L.P. | 0.43% | Reduce -45.3% | 286,789 | $3.0M |
| Meteora Capital, LLC | 0.26% | New | 284,966 | $3.0M |
| Glazer Capital, LLC | 0.08% | Reduce -50.3% | 253,393 | $2.7M |
| Linden Advisors LP | 0.20% | New | 250,000 | $2.6M |
| Alpine Global Management, LLC | 0.53% | New | 210,000 | $2.2M |
| Rivernorth Capital Management, LLC | 0.10% | Reduce -13.1% | 205,130 | $2.2M |
| Lighthouse Investment Partners, LLC | 0.07% | New | 200,000 | $2.1M |
| Moore Capital Management, LP | 0.04% | Add +300.0% | 200,000 | $2.1M |
| Mint Tower Capital Management B.V. | 0.66% | Reduce -33.4% | 199,799 | $2.1M |
| Bulldog Investors, LLP | 0.38% | Reduce -49.5% | 161,306 | $1.7M |
| Virtu Financial LLC | 0.06% | New | 153,055 | $1.6M |
| Periscope Capital Inc. | 0.27% | Reduce -44.4% | 125,000 | $1.3M |
| Clear Street Group Inc. | 0.01% | New | 110,243 | $1.2M |
| LMR Partners LLP | 0.01% | New | 100,000 | $1.1M |
| Ionic Capital Management LLC | 0.86% | New | 70,000 | $738K |
| Geode Capital Management, LLC | 0.00% | New | 53,328 | $562K |
| Centiva Capital, LP | 0.02% | New | 282,609 | $325K |
| Readystate Asset Management LP | 0.02% | New | 30,197 | $318K |
| Susquehanna International Group, LLP | 0.00% | New | 26,455 | $279K |
| Wolverine Asset Management LLC | 0.02% | Reduce -97.0% | 26,238 | $277K |
| Cantor Fitzgerald, L. P. | 0.01% | New | 25,000 | $264K |
| JPMorgan Chase & Co. | 0.00% | New | 19,893 | $210K |
| UBS Group AG | 0.00% | New | 1,836 | $19K |
| Healthcare of Ontario Pension Plan Trust Fund | 0.00% | No change | 800 | $8K |
| Morgan Stanley | 0.00% | New | 153 | $2K |
"% of holder's portfolio" is HDRN's weight in each manager's 13F, not the share of Hadron Energy Inc. the manager owns.