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Small Cap
Oil & Gas Exploration & Production
Stocks Ranked by
Market Capitalization

Name Market cap Price Price
change %
KOS icon
1
Kosmos Energy
KOS
$1.66B
$1.66B $2.78 3.73%
KRP icon
2
Kimbell Royalty Partners
KRP
$1.64B
$1.64B $16.28 2.13%
GFR icon
3
Greenfire Resources
GFR
$1.58B
$1.58B $6.57 1.86%
DMLP icon
4
Dorchester Minerals
DMLP
$1.49B
$1.49B $30.43 1.87%
HPK icon
5
HighPeak Energy
HPK
$1.33B
$1.33B $10.55 6.03%
TBN icon
6
Tamboran Resources
TBN
$886M
$886M $31.33 1.69%
VTS icon
7
Vitesse Energy
VTS
$768M
$768M $18.25 4.82%
GPRK icon
8
GeoPark
GPRK
$763M
$763M $11.76 1.99%
GRNT icon
9
Granite Ridge Resources
GRNT
$719M
$719M $5.45 7.07%
EGY icon
10
Vaalco Energy
EGY
$652M
$652M $6.20 3.16%
WTI icon
11
W&T Offshore
WTI
$574M
$574M $3.80 3.83%
SD icon
12
SandRidge Energy
SD
$529M
$529M $14.27 2.59%
PNRG icon
13
PrimeEnergy Resources
PNRG
$327M
$327M $206.93 1.48%
FTW icon
14
Presidio Production Co
FTW
$295M
$295M $9.90 1.3%
KGEI icon
15
Kolibri Global Energy
KGEI
$250M
$250M $6.97 5.29%

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 15 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 $13.5B.

The largest by market cap are Kosmos Energy (KOS) at $1.66B, Kimbell Royalty Partners (KRP) at $1.64B and Greenfire Resources (GFR) at $1.58B.

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 38 (66%) quarter-over-quarter.

  • Combined market cap: $13.5B across 15 stocks.
  • Small Cap: market cap between $250M and $2B.
  • Largest constituent: Kosmos Energy (KOS), $1.66B market cap.
  • Most net new fund positions in Q2 2026: Tamboran Resources (TBN), +38 holders.

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