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Mid Cap
Oil & Gas Midstream
Stocks Ranked by
Market Capitalization

Name Market cap Price Price
change %
AM icon
1
Antero Midstream
AM
$9.8B
$9.8B $20.64 3.61%
VNOM icon
2
Viper Energy
VNOM
$8.75B
$8.75B $45.02 2.95%
SOBO icon
3
South Bow Corp
SOBO
$7.24B
$7.24B $34.69 2.79%
INSW icon
4
International Seaways
INSW
$5.45B
$5.45B $109.99 2.76%
PAGP icon
5
Plains GP Holdings
PAGP
$5.43B
$5.43B $27.45 1.03%
CMBT icon
6
CMB.TECH NV
CMBT
$5.01B
$5.01B $17.25 3.74%
GLNG icon
7
Golar LNG
GLNG
$4.62B
$4.62B $45.26 0.69%
KNTK icon
8
Kinetik
KNTK
$4.45B
$4.45B $55.30 3.48%
STNG icon
9
Scorpio Tankers
STNG
$4.08B
$4.08B $81.45 1.69%
HESM icon
10
Hess Midstream
HESM
$3.94B
$3.94B $30.66 0.13%
TRMD icon
11
TORM
TRMD
$3.92B
$3.92B $38.20 1.27%
DHT icon
12
DHT Holdings
DHT
$3.81B
$3.81B $23.60 0.73%
BWLP icon
13
BW LPG
BWLP
$3.75B
$3.75B $24.70 0.9%
SUNC icon
14
SunocoCorp LLC
SUNC
$3.73B
$3.73B $72.35 0.04%
TNK icon
15
Teekay Tankers
TNK
$3.36B
$3.36B $96.82 0.22%
LPG icon
16
Dorian LPG
LPG
$2.29B
$2.29B $53.60 0.15%

Mid Cap Oil & Gas Midstream Stocks at a Glance

Midstream companies gather, process, store, and transport oil and natural gas through pipeline and terminal networks. Fee-based, volume-driven contracts insulate cash flows from commodity prices, making the group a yield vehicle whose risks center on volumes, counterparties, and leverage.

There are 16 mid cap Oil & Gas Midstream stocks — companies in the Oil & Gas Midstream industry with a market cap between $2B and $10B — worth a combined $79.6B.

The largest by market cap are Antero Midstream (AM) at $9.8B, Viper Energy (VNOM) at $8.75B and South Bow Corp (SOBO) at $7.24B.

Among institutional investors, International Seaways (INSW) drew the most net new fund positions in Q2 2026: 79 funds opened new positions, taking total fund holders up 31 (9.3%) quarter-over-quarter.

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