Phillips 66 PSX
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: −$5.52M (7 inflow days, 13 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 33.3% of shares outstanding.
Largest holders
By investor type
Reported short interest has fallen from 1.84% to 1.71% 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 |
|---|---|---|---|---|
| Amanah Holdings Trust | Mutual Fund | 2026/Q3 | +573,065 | 0.1% |
| BlackRock | Mutual Fund | 2026/Q3 | +2,088,264 | 8.5% |
| AQR Capital Management | Hedge Fund | 2026/Q3 | +1,115,545 | 1.1% |
| Merewether Investment Management LP | Hedge Fund | 2026/Q3 | +885,051 | 0.2% |
| Citadel Advisors LLC | Hedge Fund | 2026/Q3 | +839,800 | 0.3% |
| Mackenzie Financial Corporation | Mutual Fund | 2026/Q3 | +765,404 | 0.4% |
| Victory Capital Management Inc. | Mutual Fund | 2026/Q3 | +729,594 | 0.3% |
| Point72 Asset Management, L.P. | Hedge Fund | 2026/Q3 | +632,300 | 0.2% |
| Two Sigma Investments, LP | Hedge Fund | 2026/Q3 | +547,361 | 0.1% |
| Jane Street Group, LLC | Private Company | 2026/Q3 | +490,403 | 0.1% |
| Geode Capital Management, LLC | Mutual Fund | 2026/Q3 | +463,835 | 2.8% |
| HSBC Global Asset Management (UK) Limited | Mutual Fund | 2026/Q3 | +454,432 | 0.3% |
| SG Americas Securities, LLC | Private Company | 2026/Q3 | +425,771 | 0.1% |
| Arrowstreet Capital, Limited Partnership | Mutual Fund | 2026/Q3 | +396,620 | 0.3% |
| Empower Advisory Group, LLC | Mutual Fund | 2026/Q3 | +334,549 | 0.1% |
Institutional buy/sell activity by reporting period, largest moves first.
Insider transactions
| Date | Insider | Title | Transaction | Shares | Price | Held after |
|---|---|---|---|---|---|---|
| 15 Sep 2026 | Brian Mandell | Executive Vice President of Marketing & Commercial | Derivative Exercise and Sale | -23,400 | $265.06 | 39,413 |
| 9 Sep 2026 | Ann Kluppel | Senior Vice President | Other Disposition | -40 | – | 24,279 |
| 11 Aug 2026 | Richard Harbison | Executive Vice President of Refining | Derivative Exercise and Sale | -52,100 | $223.76 | 23,242 |
| 10 Aug 2026 | Brian Mandell | Executive Vice President of Marketing & Commercial | Derivative Exercise and Sale | -33,300 | $215.00 | 39,413 |
| 9 Aug 2026 | Lisa Davis | Independent Director | Open Market Disposition | -1,515 | $208.99 | 5,752 |
| 9 Aug 2026 | Ann Kluppel | Senior Vice President | Derivative Exercise and Sale | -7,834 | $215.00 | 24,319 |
| 8 Jul 2026 | Kevin Mitchell | Chief Financial Officer | Derivative Exercise and Sale | -11,021 | $190.03 | 66,828 |
| 10 May 2026 | Kevin Mitchell | Chief Financial Officer | Derivative Exercise and Sale | -30,000 | $171.56 | 66,828 |
| 5 May 2026 | Kevin Meyers | Independent Director | Open Market Acquisition | +175 | $173.13 | 15,850 |
| 31 Mar 2026 | Donald Baldridge | Executive Vice President of Midstream & Chemicals | Sale to Issuer | -5,885 | $177.21 | 16,621 |
| 29 Mar 2026 | Kevin Mitchell | Chief Financial Officer | Derivative Exercise and Sale | -15,629 | $190.07 | 66,828 |
| 16 Mar 2026 | Kevin Meyers | Independent Director | Open Market Acquisition | +175 | $173.20 | 15,675 |
| 15 Mar 2026 | Kevin Meyers | Independent Director | Other Acquisition | +949 | $172.84 | 949 |
| 15 Mar 2026 | Howard Ungerleider | Independent Director | Other Acquisition | +949 | $172.84 | 949 |
| 12 Mar 2026 | Lisa Davis | Independent Director | Open Market Disposition | -3,800 | $174.37 | 7,267 |
| 11 Mar 2026 | Brian Mandell | Executive Vice President of Marketing & Commercial | Derivative Exercise and Sale | -42,800 | $169.53 | 39,413 |
| 5 Mar 2026 | Kevin Meyers | Independent Director | Initial Statement of Beneficial | +0 | – | 15,500 |
| 4 Mar 2026 | Kevin Mitchell | Chief Financial Officer | Derivative Exercise and Sale | -21,800 | $168.22 | 65,527 |
| 16 Feb 2026 | Donald Baldridge | Executive Vice President of Midstream & Chemicals | Open Market Disposition | -7,500 | $160.00 | 7,551 |
| 9 Feb 2026 | Mark Lashier | Chairperson & CEO | Other Acquisition | +29,148 | $156.70 | 86,991 |
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 | 6,809,555 | 1.7% | 3.0 |
| 30 Sep 2026 | 5,504,613 | 1.4% | 1.4 |
| 15 Sep 2026 | 6,791,826 | 1.7% | 2.5 |
| 31 Aug 2026 | 5,598,606 | 1.4% | 2.0 |
| 14 Aug 2026 | 4,945,738 | 1.2% | 1.7 |
| 31 Jul 2026 | 7,381,797 | 1.8% | 3.1 |
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