# Phillips 66 (PSX): value investors who own it | moatshark

5 value investors held Phillips 66 in their Q3 2026 13F, led by Harris Associates (Oakmark), Tweedy, Browne, Semper Augustus, Mairs & Power, Dodge & Cox.

## 13F holders

| Manager | Portfolio | Value | Change | Quarters held |
| --- | --- | --- | --- | --- |
| Harris Associates (Oakmark) | 0.4% | $297m | Trimmed -81% | 12 |
| Tweedy, Browne | 0.2% | $2.1m | Trimmed -0.7% | 53 |
| Semper Augustus | 0.0% | $249k | Unchanged | 2 |
| Mairs & Power | 0.0% | $1.1m | Trimmed -0.8% | 53 |
| Dodge & Cox | 0.0% | $440k | Unchanged | 53 |

## Directors buying and selling (Form 4, last 12 months)

| Date | Who | Role | Bought or sold | Shares | Value |
| --- | --- | --- | --- | --- | --- |
| 2026-09-16 | Mandell Brian | Executive Vice President | Sold | 23400 | $6.2m |
| 2026-08-12 | Harbison Richard G | EVP, Refining | Sold | 52100 | $11.7m |
| 2026-08-11 | Mandell Brian | Executive Vice President | Sold | 30000 | $6.5m |
| 2026-08-10 | Mandell Brian | Executive Vice President | Sold | 3300 | $706k |
| 2026-08-10 | Kluppel Ann M | SVP and Controller | Sold | 2100 | $442k |
| 2026-08-10 | Kluppel Ann M | SVP and Controller | Sold | 1967 | $423k |
| 2026-08-10 | Kluppel Ann M | SVP and Controller | Sold | 1967 | $417k |
| 2026-08-10 | Davis Lisa Ann | Director | Sold | 1000 | $207k |
| 2026-08-10 | Davis Lisa Ann | Director | Sold | 315 | $66k |
| 2026-08-10 | Davis Lisa Ann | Director | Sold | 200 | $42k |
| 2026-08-07 | Kluppel Ann M | SVP and Controller | Sold | 1800 | $369k |
| 2026-07-21 | Sutherland Vanessa Allen | EVP, GC and Secretary | Sold | 3523 | $7.4bn |
| 2026-07-20 | Sutherland Vanessa Allen | EVP, GC and Secretary | Sold | 563 | $119k |

Source: SEC filings, via moatshark (https://www.moatshark.com/s/psx). Values traded and returns are estimates. Not investment advice. Built 2026-10-21.