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Oil & Gas Refining & Marketing
Stocks Ranked by
Market Capitalization

Name Market cap Price Price
change %
VLO icon
1
Valero Energy
VLO
$119B
$119B $412.53 2.29%
MPC icon
2
Marathon Petroleum
MPC
$118B
$118B $421.96 1.94%
PSX icon
3
Phillips 66
PSX
$109B
$109B $274.21 3.62%
DINO icon
4
HF Sinclair
DINO
$20.7B
$20.7B $116.62 2.33%
SUN icon
5
Sunoco
SUN
$14.8B
$14.8B $78.81 0.14%
PBF icon
6
PBF Energy
PBF
$9.15B
$9.15B $77.16 1.62%
UGP icon
7
Ultrapar
UGP
$8.08B
$8.08B $7.58 0.26%
CVI icon
8
CVR Energy
CVI
$5.44B
$5.44B $54.14 2.05%
IEP icon
9
Icahn Enterprises
IEP
$5B
$5B $7.03 1.01%
DK icon
10
Delek US
DK
$4.99B
$4.99B $81.55 3.02%
PARR icon
11
Par Pacific Holdings
PARR
$4.33B
$4.33B $86.49 1.87%
DKL icon
12
Delek Logistics
DKL
$3.25B
$3.25B $56.30 0.07%
CSAN icon
13
Cosan
CSAN
$2.76B
$2.76B $2.80 0.72%
WKC icon
14
World Kinect Corp
WKC
$1.83B
$1.83B $35.83 1.01%
APC
15
ARKO Petroleum
APC
$884M
$884M $18.59 0.05%
CAPL icon
16
CrossAmerica Partners
CAPL
$856M
$856M $22.43 0.9%
SGU icon
17
Star Group
SGU
$418M
$418M $12.74 0.31%
CLNE icon
18
Clean Energy Fuels
CLNE
$384M
$384M $1.74 2.35%
DLXY
19
Delixy Holdings
DLXY
$13.8M
$13.8M $0.8448 63.1%

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 19 Oil & Gas Refining & Marketing industry stocks tracked by Wall St. Rank, worth a combined $430B.

The largest by market cap are Valero Energy (VLO) at $119B, Marathon Petroleum (MPC) at $118B and Phillips 66 (PSX) at $109B.

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 (5.7%) quarter-over-quarter.

Market caps and prices updated daily; fund activity based on aggregated SEC 13F filings for Q2 2026.