Phillips 66
1,838 hedge funds and large institutions have $41.6B invested in Phillips 66 in 2025 Q3 according to their latest regulatory filings, with 208 funds opening new positions, 632 increasing their positions, 639 reducing their positions, and 110 closing their positions.
89% more first-time investments, than exits
New positions opened: 208 | Existing positions closed: 110
19% more call options, than puts
Call options by funds: $521M | Put options by funds: $440M
18% more funds holding in top 10
Funds holding in top 10: 11 → 13 (+2)
11% more capital invested
Capital invested by funds: $37.4B → $41.6B (+$4.23B)
4% more funds holding
Funds holding: 1,764 → 1,838 (+74)
1% less repeat investments, than reductions
Existing positions increased: 632 | Existing positions reduced: 639
1.18% less ownership
Funds ownership: 76.91% → 75.74% (-1.2%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Vanguard Group
Malvern,
Pennsylvania
|
+$686M |
| 2 |
AQR Capital Management
Greenwich,
Connecticut
|
+$196M |
| 3 |
Citadel Advisors
Miami,
Florida
|
+$163M |
| 4 |
Los Angeles Capital Management
Los Angeles,
California
|
+$77.3M |
| 5 |
Charles Schwab
San Francisco,
California
|
+$75.1M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$452M |
| 2 |
Pacer Advisors
Malvern,
Pennsylvania
|
-$235M |
| 3 |
BlackRock
New York
|
-$213M |
| 4 |
State Street
Boston,
Massachusetts
|
-$116M |
| 5 |
Bank of New York Mellon
New York
|
-$113M |
PSX Hedge Fund Activity: Q3 2025 in Review
1,838 of the 7,638 institutional investors tracked by Wall St. Rank reported a position in Phillips 66 (PSX) for Q3 2025, worth a combined $41.6B — up 11% from $37.4B a quarter earlier.
Buyers outnumbered sellers: 208 funds opened new PSX positions and 110 closed out — a net gain of 98 holders — while 632 added to existing stakes and 639 trimmed.
The largest buyer was Vanguard Group, adding an estimated $686M. The largest seller was T. Rowe Price Associates, cutting an estimated $452M.
- 1,838 institutional investors held Phillips 66 (PSX) as of Q3 2025, up from 1,764 in Q2 2025.
- Funds reported $41.6B of Phillips 66 stock for Q3 2025, up 11% quarter-over-quarter.
- 208 funds opened new Phillips 66 positions in Q3 2025 and 110 closed out, a net change of +98 holders.
- The largest Phillips 66 buyer in Q3 2025 was Vanguard Group, an estimated $686M added.
- The largest Phillips 66 seller in Q3 2025 was T. Rowe Price Associates, an estimated $452M sold.
Based on aggregated 13F filings for Q3 2025.