Who holds it, who is betting against it, and where the big money is moving
Net of large-order buying minus selling, in USD. Over this window: −$126.9K (8 inflow days, 12 outflow days).
Super/Big orders approximate institutional-size trades; Mid/Small approximate retail-size trades. Net buy minus sell value in each bucket, summed over the window.
The five largest holders on file together own 102.0% of shares outstanding.
Reported short interest has risen from 5.23% to 6.24% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).
| Holder | Type | Period | Share change | New stake |
|---|---|---|---|---|
| Arax Advisory Partners, LLC | Mutual Fund | 2026/Q3 | +13,909,605 | 11.0% |
| AQR Capital Management | Hedge Fund | 2026/Q3 | +711,929 | 1.0% |
| Kennedy Capital Management LLC | Mutual Fund | 2026/Q3 | +615,857 | 0.6% |
| Millennium Management LLC | Hedge Fund | 2026/Q3 | +438,168 | 0.6% |
| Citadel Advisors LLC | Hedge Fund | 2026/Q3 | +294,492 | 0.3% |
| Trexquant Investment LP | Hedge Fund | 2026/Q3 | +288,952 | 0.2% |
| D. E. Shaw & Co., L.P. | Hedge Fund | 2026/Q3 | +268,791 | 0.8% |
| Tudor Investment Corporation | Hedge Fund | 2026/Q3 | +259,733 | 0.4% |
| JPMorgan Chase & Co. | Public Company | 2026/Q3 | +231,890 | 0.6% |
| PDT Partners, LLC | Hedge Fund | 2026/Q3 | +221,125 | 0.4% |
| Leap Investments LP | Mutual Fund | 2026/Q3 | +215,200 | 0.2% |
| Point72 Asset Management, L.P. | Hedge Fund | 2026/Q3 | +210,244 | 0.5% |
| Two Sigma Investments, LP | Hedge Fund | 2026/Q3 | +209,031 | 0.5% |
| UBS Asset Management | Mutual Fund | 2026/Q3 | +140,640 | 0.1% |
| Susquehanna International Group, LLP | Private Company | 2026/Q3 | +133,271 | 0.1% |
Institutional buy/sell activity by reporting period, largest moves first.
| Date | Insider | Title | Transaction | Shares | Price | Held after |
|---|---|---|---|---|---|---|
| 1 Jun 2026 | Larry Oldham | Lead Independent Director | Other Acquisition | +18,940 | – | 114,210 |
| 1 Jun 2026 | Keith Covington | Independent Director | Other Acquisition | +18,940 | – | 83,711 |
| 1 Jun 2026 | Jay Chernosky | Independent Director | Other Acquisition | +18,940 | – | 79,897 |
| 1 Jun 2026 | Sharon Fulgham | Independent Director | Other Acquisition | +18,940 | – | 84,427 |
| 1 Jun 2026 | Jason Edgeworth | Director | Other Acquisition | +18,940 | – | 60,683 |
| 8 Jan 2026 | Rodney Woodard | Chief Operating Officer | Other Acquisition | +50,000 | – | 217,138 |
| 8 Jan 2026 | Steven Tholen | Chief Financial Officer | Other Acquisition | +50,000 | – | 93,764 |
| 8 Jan 2026 | Chris Mundy | Other Acquisition | +50,000 | – | 52,614 | |
| 8 Jan 2026 | Michael Hollis | President | Other Acquisition | +550,000 | – | 1,982,032 |
| 8 Jan 2026 | Keith Forbes | Vice President | Other Acquisition | +25,000 | – | 39,250 |
| 8 Jan 2026 | Daniel Silver | Director | Other Acquisition | +50,000 | – | 312,488 |
| 8 Jan 2026 | William Hightower | Executive Vice President | Other Acquisition | +50,000 | – | – |
| 30 Dec 2025 | Michael Hollis | President | Sale to Issuer | -45,253 | $4.74 | 1,432,032 |
| 30 Dec 2025 | William Hightower | Executive Vice President | Sale to Issuer | -105,887 | $4.74 | – |
| 3 Nov 2025 | Chris Mundy | Initial Statement of Beneficial | +0 | – | 249,000 | |
| 3 Nov 2025 | William Hightower | Executive Vice President | Initial Statement of Beneficial | +0 | – | 372,650 |
| 14 Sep 2025 | Daniel Silver | Director | Initial Statement of Beneficial | +0 | – | 365,150 |
| 2 Jun 2025 | Larry Oldham | Lead Independent Director | Other Acquisition | +12,134 | – | 95,270 |
| 2 Jun 2025 | Keith Covington | Independent Director | Other Acquisition | +13,737 | – | 64,771 |
| 2 Jun 2025 | Jay Chernosky | Independent Director | Other Acquisition | +13,737 | – | 60,957 |
From Form 4/Form 144 filings. Negative share counts are disposals (sales, gifts, or shares withheld for taxes); positive are acquisitions.
| Report date | Shares short | % of float | Days to cover |
|---|---|---|---|
| 15 Sep 2026 | 7,889,877 | 6.2% | 21.3 |
| 31 Aug 2026 | 9,128,318 | 7.2% | 28.6 |
| 14 Aug 2026 | 9,303,574 | 7.4% | 16.0 |
| 31 Jul 2026 | 7,800,117 | 6.2% | 18.6 |
| 15 Jul 2026 | 6,721,917 | 5.3% | 13.7 |
| 30 Jun 2026 | 6,613,140 | 5.2% | 9.1 |
No comments yet — be the first to weigh in on HPK.