MPC vs VLO
Marathon Petroleum Corp (MPC) and Valero Energy Corp/Tx (VLO) are both filed with the SEC under Petroleum Refining. The two are within rounding of one another by market cap ($102.1B and $99.8B); VLO trades at the higher fiscal-year P/E (45.8× against 27.5×); MPC reports the higher net margin (3.0% against 1.9%); MPC grew sales faster over three years (-9.2% against -11.4%); and over the past year VLO returned +138.0% against MPC's +108.6%.
| MPC | VLO | |
|---|---|---|
| Last close | $368.83 | $352.36 |
| Market cap | $102.1B | $99.8B |
| P/E (FY) | 27.5× | 45.8× |
| P/S | 0.8× | 0.8× |
| EV/EBITDA | 11.4× | 16.5× |
| Operating margin | 6.2% | 2.6% |
| Net margin | 3.0% | 1.9% |
| Return on equity | 23.1% | 9.7% |
| Sales growth (3y) | -9.2% | -11.4% |
| EPS growth (3y) | -22.2% | -36.1% |
| Dividend yield | 1.1% | 1.4% |
| 1-year return | +108.6% | +138.0% |
Screener snapshot — prices as of 2026-08-28. Each side's last close is the most recent session the snapshot holds for that company, which can be an earlier one, and its 1-year return is measured to that close. Market caps struck on 2026-08-27. Last close, market cap and the 1-year return are price figures; every other row is computed over the company's latest filed fiscal year — FY2025 (ended 2025-12-31) for both.
Who holds them, and who has traded them
| MPC | VLO | |
|---|---|---|
| Institutional holders (13F) | 1,875 | 1,849 |
| Insider buyers − sellers (180d) | -2 | -1 |
| Congressional trades disclosed (180d) | 5 | 0 |
| Executive-branch officials on file — trades disclosed (180d) | 3 | 5 |
Counts only. The congressional figures count transactions dated in the trailing 180 days and disclosed in STOCK Act periodic transaction reports; amounts are filed as ranges and are never summed. The executive-branch figures count the same window of transactions, and they are scoped to one roster. The officials OGE posts for direct download. Insider buyers − sellers counts distinct people filing open-market Form 4 purchases minus distinct people filing open-market sales over the trailing 180 days, capped at ±5.
MPC vs VLO: common questions
- Is MPC bigger than VLO?
- MPC carries the larger market cap — $102.1B against $99.8B, both struck on 2026-08-27.
- Which trades at a higher P/E, MPC or VLO?
- VLO, at a fiscal-year 45.8× against 27.5× for MPC. Both are price ÷ latest full-year diluted earnings per share, not a trailing-twelve-month P/E.
- How have MPC and VLO performed over the past year?
- VLO returned +138.0% and MPC +108.6%, measured on the trailing calendar year to the last close.
- How many institutions hold MPC and VLO?
- 1,875 13F filers report a position in MPC and 1,849 in VLO, on the latest quarter in the panel.
- Are MPC and VLO in the same industry?
- Both are filed with the SEC under Petroleum Refining, which is the classification this pairing is built on.
MPC overview → · VLO overview → · MPC institutional ownership → · VLO institutional ownership → · Congress and MPC → · Executive branch and MPC → · Executive branch and VLO →
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Source: SPZCO — https://spzco.com/vs/mpc-vs-vlo