Phillips 66
CH ˙ SWX ˙ US7185461040
SecurityCH:PSX / Phillips 66
InstitutionPort Capital LLC
Latest Disclosed Ownership2,233 shares
Latest Disclosed Value $ 406,808
Port Capital LLC reports 9.45% decrease in ownership of PSX / Phillips 66

On May 15, 2026 - Port Capital LLC filed a 13F-HR form disclosing ownership of 2,233 shares of Phillips 66 (CH:PSX) valued at $406,808 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 2,466 shares of Phillips 66. This represents a change in shares of -9.45% 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.

Upgrade to unlock premium data and export to Excel .

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)
2026-05-15 2026-03-31 13F PHILLIPS 66 COM 718546104 2,233 -233 -9.45 407 27.67 0.0181
2026-02-17 2025-12-31 13F PHILLIPS 66 COM 718546104 2,466 -52 -2.07 318 -7.02 0.0137
2025-11-14 2025-09-30 13F PHILLIPS 66 COM 718546104 2,518 0 0.00 342 14.00 0.0143
2025-08-14 2025-06-30 13F PHILLIPS 66 COM 718546104 2,518 54 2.19 300 -1.32 0.0128
2025-05-15 2025-03-31 13F PHILLIPS 66 COM 718546104 2,464 -17 -0.69 304 7.42 0.0138
2025-02-14 2024-12-31 13F PHILLIPS 66 COM 718546104 2,481 122 5.17 283 -8.71 0.0129
2024-11-14 2024-09-30 13F PHILLIPS 66 COM 718546104 2,359 -41 -1.71 310 -8.55 0.0139
2024-08-14 2024-06-30 13F PHILLIPS 66 COM COM 718546104 2,400 41 1.74 339 -11.95 0.0170
2024-05-15 2024-03-31 13F PHILLIPS 66 COM COM 718546104 2,359 -47 -1.95 385 20.31 0.0193
2024-02-15 2023-12-31 13F PHILLIPS 66 COM COM 718546104 2,406 -54 -2.20 320 8.11 0.0179
2023-11-14 2023-09-30 13F PHILLIPS 66 COM COM 718546104 2,460 -157 -6.00 296 18.40 0.0185
2023-08-14 2023-06-30 13F PHILLIPS 66 COM COM 718546104 2,617 91 3.60 250 -2.34 0.0150
2023-05-15 2023-03-31 13F PHILLIPS 66 COM COM 718546104 2,526 -42 -1.64 256 -4.12 0.0166
2023-02-15 2022-12-31 13F PHILLIPS 66 COM COM 718546104 2,568 -236 -8.42 267 18.14 0.0193
2022-11-14 2022-09-30 13F PHILLIPS 66 COM COM 718546104 2,804 98 3.62 226 1.80 0.0183
2022-08-15 2022-06-30 13F PHILLIPS 66 COM COM 718546104 2,706 -87 -3.11 222 -7.88 0.0174
2022-05-16 2022-03-31 13F PHILLIPS 66 COM COM 718546104 2,793 -78 -2.72 241 15.87 0.0167
2022-02-14 2021-12-31 13F PHILLIPS 66 COM COM 718546104 2,871 0 0.00 208 3.48 0.0128
2021-11-15 2021-09-30 13F PHILLIPS 66 COM COM 718546104 2,871 151 5.55 201 -13.73 0.0101
2021-08-16 2021-06-30 13F PHILLIPS 66 COM COM 718546104 2,720 93 3.54 233 8.88 0.0121
2021-05-17 2021-03-31 13F PHILLIPS 66 COM COM 718546104 2,627 -95 -3.49 214 -29.37 0.0121
2020-02-14 2019-12-31 13F PHILLIPS 66 COM COM 718546104 2,722 248 10.02 303 19.76 0.0334
2019-11-14 2019-09-30 13F PHILLIPS 66 COM COM 718546104 2,474 0 0.00 253 9.52 0.0289
2019-08-14 2019-06-30 13F PHILLIPS 66 COM COM 718546104 2,474 66 2.74 231 0.87 0.0272
2019-05-15 2019-03-31 13F PHILLIPS 66 COM COM 718546104 2,408 2 0.08 229 10.63 0.0300
2019-02-13 2018-12-31 13F PHILLIPS 66 COM 718546104 2,406 54 2.30 207 -21.89 0.0315
2018-11-14 2018-09-30 13F PHILLIPS 66 COM COM 718546104 2,352 2,352 265 0.0321
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.