Phillips 66 market cap PSX
Share price times shares outstanding: what the whole company sells for, since 2012.
- Today, Oct 23, 2026
- $113B
- Highest close in our data
- $117B
- Oct 2026
Phillips 66 is worth $113B at the close on Oct 23, 2026, at $283.18 a share.
That is up 107% over the last year and up 245% over five years.
Its highest close in our data was $117B in Oct 2026.
Market cap over time
Year by year
| Year | End of year | Low | High | Change |
|---|---|---|---|---|
| 2026 so far | $113B | $52.6B | $117B | +120% |
| 2025 | $51.5B | $39.7B | $57.3B | +11% |
| 2024 | $46.5B | $45.6B | $73.1B | −21% |
| 2023 | $58.6B | $41.7B | $59B | +19% |
| 2022 | $49.2B | $34.5B | $52.6B | +55% |
| 2021 | $31.7B | $28.9B | $40.1B | +4% |
| 2020 | $30.5B | $20.4B | $48.2B | −38% |
| 2019 | $49.1B | $36.6B | $53.2B | +25% |
| 2018 | $39.2B | $38B | $56.9B | −24% |
| 2017 | $51.3B | $39.4B | $51.3B | +14% |
| 2016 | $45B | $39.3B | $47.2B | +3% |
| 2015 | $43.6B | $33.7B | $49.5B | +9% |
| 2014 | $40.2B | $36.4B | $48.9B | −10% |
| 2013 | $44.8B | $31.7B | $44.8B | +42% |
| 2012 | $31.6B | $18.7B | $33.5B | n/a |
Against its peers
Companies in Oil & Gas Refining & Marketing nearest Phillips 66's size, closest first, today.
| Company | Market cap |
|---|---|
| PSXPhillips 66 | $113B |
| VLOValero Energy | $120.7B |
| MPCMarathon Petroleum | $128.4B |
| DINOHF Sinclair | $21.6B |
| Peer median | $120.7B |
What the market cap tells you
Share price times shares outstanding: what the whole company sells for today.
Size, not quality. Large caps move slower and are covered more. That is all it tells you.
More on Phillips 66
Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.