5 hedge funds and family offices disclose a PSX position in their latest SEC 13F filing — combined $57.7M in market value. Of those, 1 are classified as value investors.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Ray Dalio | Bridgewater Associates LP | 153,254 | $27.9M | 0.12% | 2026-03-31 |
| 2 | Torray Funds | Torray Investment Partners LLC | 206,595 | $26.7M | 3.82% | 2025-12-31 |
| 3 | Tweedy Browne | Tweedy Browne Company LLC | 12,367 | $2.3M | 0.18% | 2026-03-31 |
| 4 | Mairs & Power | Mairs & Power Inc | 6,604 | $852K | 0.01% | 2025-12-31 |
| 5 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 160 | $21K | 0.00% | 2025-12-31 |
As of the latest 13F window, 5 tracked superinvestors hold PSX. The largest disclosed position is Ray Dalio at $27.9M (0.1% of portfolio).
13F filings are due 45 days after each quarter end and capture long-equity positions held by U.S. institutional managers with $100M+ AUM. Use this page to see exactly who is buying PSX, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
5 hedge funds and family offices disclose a PSX position in their latest SEC 13F filing — combined $57.7M in market value. Of those, 1 are classified as value investors.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Ray Dalio | Bridgewater Associates LP | 153,254 | $27.9M | 0.12% | 2026-03-31 |
| 2 | Torray Funds | Torray Investment Partners LLC | 206,595 | $26.7M | 3.82% | 2025-12-31 |
| 3 | Tweedy Browne | Tweedy Browne Company LLC | 12,367 | $2.3M | 0.18% | 2026-03-31 |
| 4 | Mairs & Power | Mairs & Power Inc | 6,604 | $852K | 0.01% | 2025-12-31 |
| 5 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 160 | $21K | 0.00% | 2025-12-31 |
As of the latest 13F window, 5 tracked superinvestors hold PSX. The largest disclosed position is Ray Dalio at $27.9M (0.1% of portfolio).
13F filings are due 45 days after each quarter end and capture long-equity positions held by U.S. institutional managers with $100M+ AUM. Use this page to see exactly who is buying PSX, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
