Phillips 66
MX ˙ BMV ˙ US7185461040
SecurityMX:PSX / Phillips 66
InstitutionSummit Asset Management, LLC
Latest Disclosed Ownership1,877 shares
Latest Disclosed Value $ 341,991
Summit Asset Management, LLC reports 1.21% decrease in ownership of PSX / Phillips 66

On May 8, 2026 - Summit Asset Management, LLC filed a 13F-HR form disclosing ownership of 1,877 shares of Phillips 66 (MX:PSX) valued at $341,991 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 9, 2026 disclosing 1,900 shares of Phillips 66. This represents a change in shares of -1.21% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-08 2026-03-31 13F PHILLIPS 66 COM 718546104 1,877 -23 -1.21 342 39.18 0.0476
2026-02-09 2025-12-31 13F PHILLIPS 66 COM 718546104 1,900 24 1.28 245 -3.92 0.0347
2025-11-06 2025-09-30 13F PHILLIPS 66 COM 718546104 1,876 1 0.05 255 14.35 0.0392
2025-08-07 2025-06-30 13F PHILLIPS 66 COM 718546104 1,875 1 0.05 224 -3.46 0.0364
2025-05-06 2025-03-31 13F PHILLIPS 66 COM 718546104 1,874 1 0.05 231 8.45 0.0401
2025-02-04 2024-12-31 13F PHILLIPS 66 COM 718546104 1,873 0 0.00 213 -13.41 0.0375
2024-11-06 2024-09-30 13F PHILLIPS 66 COM 718546104 1,873 1 0.05 246 -6.82 0.0462
2024-08-05 2024-06-30 13F PHILLIPS 66 COM 718546104 1,872 1 0.05 264 -13.44 0.0547
2024-05-06 2024-03-31 13F PHILLIPS 66 COM 718546104 1,871 91 5.11 306 29.24 0.0656
2024-02-06 2023-12-31 13F PHILLIPS 66 COM 718546104 1,780 1 0.06 237 10.80 0.0567
2023-11-06 2023-09-30 13F PHILLIPS 66 COM 718546104 1,779 1,779 214 0.0580
2020-11-06 2020-09-30 13F PHILLIPS 66 COM 718546104 0 -3,367 -100.00 0 -100.00
2020-08-07 2020-06-30 13F PHILLIPS 66 COM 718546104 3,367 3,367 242 0.1102
2020-05-08 2020-03-31 13F PHILLIPS 66 COM 718546104 0 -3,295 -100.00 0 -100.00
2020-02-07 2019-12-31 13F PHILLIPS 66 COM 718546104 3,295 0 0.00 367 8.90 0.1565
2019-11-06 2019-09-30 13F PHILLIPS 66 COM 718546104 3,295 1 0.03 337 9.42 0.1570
2019-08-07 2019-06-30 13F PHILLIPS 66 COM 718546104 3,294 1 0.03 308 -1.60 0.1460
2019-05-07 2019-03-31 13F PHILLIPS 66 COM 718546104 3,293 0 0.00 313 10.21 0.1541
2019-02-07 2018-12-31 13F PHILLIPS 66 COM 718546104 3,293 1 0.03 284 -23.45 0.1608
2018-11-06 2018-09-30 13F PHILLIPS 66 COM 718546104 3,292 0 0.00 371 0.27 0.1719
2018-08-07 2018-06-30 13F PHILLIPS 66 COM 718546104 3,292 1 0.03 370 17.09 0.1767
2018-05-07 2018-03-31 13F PHILLIPS 66 COM 718546104 3,291 0 0.00 316 -5.11 0.1510
2018-02-06 2017-12-31 13F PHILLIPS 66 COM 718546104 3,291 1 0.03 333 10.63 0.1596
2017-11-09 2017-09-30 13F PHILLIPS 66 COM 718546104 3,290 0 0.00 301 10.66 0.1509
2017-08-07 2017-06-30 13F PHILLIPS 66 COM 718546104 3,290 1 0.03 272 4.21 0.1441
2017-05-08 2017-03-31 13F PHILLIPS 66 COM 718546104 3,289 -782 -19.21 261 -25.85 0.1509
2017-02-06 2016-12-31 13F PHILLIPS 66 COM 718546104 4,071 1 0.02 352 7.32 0.2200
2016-11-07 2016-09-30 13F PHILLIPS 66 COM 718546104 4,070 425 11.66 328 13.49 0.2015
2016-08-08 2016-06-30 13F PHILLIPS 66 COM 718546104 3,645 525 16.83 289 7.04 0.1840
2016-05-05 2016-03-31 13F PHILLIPS 66 COM 718546104 3,120 3,120 270 0.1767
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.