Small Cap
Oil & Gas Exploration & Production
Stocks Ranked by
Market Capitalization
| Name | Market cap | Price |
Price change % |
|
|---|---|---|---|---|
1
Vermilion Energy
VET
$1.86B
| $1.86B | $12.20 | 2.71% |
|
2
Kosmos Energy
KOS
$1.63B
| $1.63B | $2.73 | 4.55% |
|
3
Kimbell Royalty Partners
KRP
$1.53B
| $1.53B | $15.17 | 1.88% |
|
4
Dorchester Minerals
DMLP
$1.42B
| $1.42B | $28.93 | 0.92% |
|
|
TBN
5
Tamboran Resources
TBN
$1.31B
| $1.31B | $37.72 | 0.26% |
|
6
HighPeak Energy
HPK
$995M
| $995M | $7.87 | 3.2% |
|
7
Greenfire Resources
GFR
$914M
| $914M | $6.22 | 2.2% |
|
8
Vitesse Energy
VTS
$715M
| $715M | $16.99 | 0.35% |
|
9
Granite Ridge Resources
GRNT
$666M
| $666M | $5.05 | 0% |
|
10
GeoPark
GPRK
$632M
| $632M | $9.74 | 1.02% |
|
11
Vaalco Energy
EGY
$602M
| $602M | $5.72 | 1.04% |
|
12
W&T Offshore
WTI
$543M
| $543M | $3.60 | 5.26% |
|
13
SandRidge Energy
SD
$515M
| $515M | $13.90 | 0.64% |
|
|
FTW
14
Presidio Production Co
FTW
$354M
| $354M | $11.30 | 0.88% |
|
15
PrimeEnergy Resources
PNRG
$328M
| $328M | $207.11 | 0.07% |
|
|
INR
16
Infinity Natural Resources
INR
$270M
| $270M | $14.47 | 2.82% |
|
Small Cap Oil & Gas Exploration & Production Stocks at a Glance
Exploration and production companies find and extract crude oil and natural gas. Earnings are a direct function of commodity prices against per-barrel costs, with reserve quality, decline rates, and capital discipline separating value creators from value destroyers.
There are 16 small cap Oil & Gas Exploration & Production stocks — companies in the Oil & Gas Exploration & Production industry with a market cap between $250M and $2B — worth a combined $14.3B.
The largest by market cap are Vermilion Energy (VET) at $1.86B, Kosmos Energy (KOS) at $1.63B and Kimbell Royalty Partners (KRP) at $1.53B.
Among institutional investors, Tamboran Resources (TBN) drew the most net new fund positions in Q2 2026: 48 funds opened new positions, taking total fund holders up 37 (64%) quarter-over-quarter.
- Combined market cap: $14.3B across 16 stocks.
- Small Cap: market cap between $250M and $2B.
- Largest constituent: Vermilion Energy (VET), $1.86B market cap.
- Most net new fund positions in Q2 2026: Tamboran Resources (TBN), +37 holders.
Market caps and prices updated daily; fund activity based on aggregated SEC 13F filings for Q2 2026.