Large Cap
Oil & Gas Refining & Marketing
Stocks Ranked by
Market Capitalization
| Name | Market cap | Price |
Price change % |
|
|---|---|---|---|---|
1
Marathon Petroleum
MPC
$134B
| $134B | $478.07 | 0.24% |
|
2
Valero Energy
VLO
$128B
| $128B | $444.71 | 0.15% |
|
3
Phillips 66
PSX
$117B
| $117B | $293.17 | 1.37% |
|
4
HF Sinclair
DINO
$22.3B
| $22.3B | $125.29 | 0.47% |
|
5
Sunoco
SUN
$13.8B
| $13.8B | $73.26 | 0.96% |
|
6
PBF Energy
PBF
$10B
| $10B | $84.52 | 2.84% |
|
Large Cap Oil & Gas Refining & Marketing Stocks at a Glance
Refining and marketing companies turn crude oil into fuels and sell petroleum products. Profits ride the crack spread — the gap between crude costs and product prices — so earnings can move violently, and often counter to the oil price itself.
There are 6 large cap Oil & Gas Refining & Marketing stocks — companies in the Oil & Gas Refining & Marketing industry with a market cap between $10B and $200B — worth a combined $425B.
The largest by market cap are Marathon Petroleum (MPC) at $134B, Valero Energy (VLO) at $128B and Phillips 66 (PSX) at $117B.
Among institutional investors, Valero Energy (VLO) drew the most net new fund positions in Q2 2026: 233 funds opened new positions, taking total fund holders up 106 (5.6%) quarter-over-quarter.
- Combined market cap: $425B across 6 stocks.
- Large Cap: market cap between $10B and $200B.
- Largest constituent: Marathon Petroleum (MPC), $134B market cap.
- Most net new fund positions in Q2 2026: Valero Energy (VLO), +106 holders.
Market caps and prices updated daily; fund activity based on aggregated SEC 13F filings for Q2 2026.