Diamondback Energy FANG
Ownership & positioning
Who holds it, who is betting against it, and where the big money is moving
Short-sale volume as % of daily volume
Large-order net flow, last 20 sessions
Net of large-order buying minus selling, in USD. Over this window: −$34.89M (10 inflow days, 10 outflow days).
Net flow by order size, last 20 sessions
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 45.3% of shares outstanding.
Largest holders
By investor type
Reported short interest has fallen from 2.94% to 2.46% of float over the last 6 biweekly reports (31 Jul 2026 to 15 Oct 2026).
Recent institutional activity
| Holder | Type | Period | Share change | New stake |
|---|---|---|---|---|
| Assenagon Asset Management S.A. | Mutual Fund | 2026/Q3 | +349,801 | 0.2% |
| Wellington Management Group | Mutual Fund | 2026/Q3 | +3,918,943 | 5.9% |
| Capital Research | Mutual Fund | 2026/Q3 | +3,569,426 | 3.7% |
| ClearBridge Investments, LLC | Mutual Fund | 2026/Q3 | +1,299,939 | 0.6% |
| D. E. Shaw & Co., L.P. | Hedge Fund | 2026/Q3 | +1,004,964 | 1.0% |
| BNY Mellon Asset Management | Mutual Fund | 2026/Q3 | +836,607 | 1.6% |
| Squarepoint OPS LLC | Hedge Fund | 2026/Q3 | +727,386 | 0.3% |
| GQG Partners, LLC | Mutual Fund | 2026/Q3 | +587,036 | 0.2% |
| State Street Global Advisors | Mutual Fund | 2026/Q3 | +510,281 | 4.5% |
| American Century Investment Management | Mutual Fund | 2026/Q3 | +479,217 | 0.8% |
| Jane Street Group, LLC | Private Company | 2026/Q3 | +477,070 | 0.8% |
| Invesco Ltd. | Mutual Fund | 2026/Q3 | +472,705 | 0.8% |
| Ninepoint Partners LP | Mutual Fund | 2026/Q3 | +377,598 | 0.1% |
| Eaton Vance Management | Mutual Fund | 2026/Q3 | +373,310 | 0.8% |
| Renaissance Technologies Corp. | Hedge Fund | 2026/Q3 | +331,500 | 0.1% |
Institutional buy/sell activity by reporting period, largest moves first.
Insider transactions
| Date | Insider | Title | Transaction | Shares | Price | Held after |
|---|---|---|---|---|---|---|
| 4 Oct 2026 | Charles Meloy | Director | Automatic Disposition | -33,333 | $184.99 | 787,139 |
| 4 Oct 2026 | Charles Meloy | Director | Intent to Sell (Form 144) | -33,333 | $184.08 | – |
| 15 Sep 2026 | Lyndal Greth | Private Disposition | -9,079,675 | $205.26 | 64,957,047 | |
| 15 Sep 2026 | Charles Meloy | Director | Other Acquisition | +50,000 | – | 820,472 |
| 15 Sep 2026 | Charles Meloy | Director | Other Disposition | -50,000 | – | 820,472 |
| 14 Sep 2026 | Teresa Dick | Executive VP of Accounting & Assistant Secretary | Open Market Disposition | -5,000 | $210.00 | 70,397 |
| 14 Sep 2026 | P. Zmigrosky | Executive VP, Chief Legal & Administrative Officer and Secretary | Open Market Disposition | -1,326 | $212.56 | 22,627 |
| 10 Sep 2026 | Travis Stice | Non-Executive Chairperson | Open Market Disposition | -75,000 | $204.31 | 306,066 |
| 9 Sep 2026 | P. Zmigrosky | Executive VP, Chief Legal & Administrative Officer and Secretary | Sale to Issuer | -861 | $202.63 | 23,953 |
| 9 Sep 2026 | Albert Barkmann | EVP & Chief Engineer | Sale to Issuer | -682 | $202.63 | 15,461 |
| 20 Aug 2026 | Mark Plaumann | Independent Director | Open Market Disposition | -1,000 | $210.58 | 11,455 |
| 19 Aug 2026 | Matthew Van’t Hof | Chief Executive Officer | Open Market Disposition | -10,000 | $215.06 | 87,352 |
| 19 Aug 2026 | Daniel Wesson | Chief Operating Officer | Open Market Disposition | -7,500 | $215.21 | 56,522 |
| 13 Aug 2026 | P. Zmigrosky | Executive VP, Chief Legal & Administrative Officer and Secretary | Open Market Disposition | -2,500 | $202.77 | 22,628 |
| 13 Aug 2026 | Jere Thompson | Chief Financial Officer | Open Market Disposition | -500 | $204.14 | 12,616 |
| 10 Aug 2026 | Matthew Van’t Hof | Chief Executive Officer | Open Market Disposition | -5,000 | $202.46 | 97,352 |
| 2 Aug 2026 | Charles Meloy | Director | Open Market Disposition | -33,333 | $199.44 | 820,472 |
| 16 Jun 2026 | Matthew Van’t Hof | Chief Executive Officer | Other Disposition | -2,674 | – | 107,626 |
| 15 Jun 2026 | Charles Meloy | Director | Automatic Disposition | -83,334 | $187.68 | 853,805 |
| 8 Jun 2026 | Mark Plaumann | Independent Director | Open Market Disposition | -500 | $196.50 | 12,455 |
From Form 4/Form 144 filings. Negative share counts are disposals (sales, gifts, or shares withheld for taxes); positive are acquisitions.
Short interest, by report
| Report date | Shares short | % of float | Days to cover |
|---|---|---|---|
| 15 Oct 2026 | 6,876,071 | 2.5% | 3.0 |
| 30 Sep 2026 | 7,295,434 | 2.6% | 1.7 |
| 15 Sep 2026 | 7,630,501 | 2.7% | 4.1 |
| 31 Aug 2026 | 8,207,836 | 2.9% | 4.3 |
| 14 Aug 2026 | 7,605,686 | 2.7% | 4.3 |
| 31 Jul 2026 | 8,265,155 | 2.9% | 4.6 |
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