Small Cap
Oil & Gas Integrated
Stocks Ranked by
Market Capitalization
| Name | Market cap | Price |
Price change % |
|
|---|---|---|---|---|
1
Riley Exploration Permian
REPX
$1.08B
| $1.08B | $48.68 | 3.57% |
|
2
Diversified Energy Company
DEC
$1.02B
| $1.02B | $14.83 | 2.77% |
|
3
Obsidian Energy
OBE
$799M
| $799M | $11.97 | 4.36% |
|
4
Gran Tierra Energy
GTE
$386M
| $386M | $10.90 | 2.73% |
|
5
Ring Energy
REI
$357M
| $357M | $1.37 | 4.58% |
|
Small Cap Oil & Gas Integrated Stocks at a Glance
Integrated oil and gas majors span the full value chain — exploration, production, refining, marketing, and transportation. Diversification smooths the commodity cycle: downstream margins often improve when crude falls, supporting the steadier cash flows and dividends the group is known for.
There are 5 small cap Oil & Gas Integrated stocks — companies in the Oil & Gas Integrated industry with a market cap between $250M and $2B — worth a combined $3.64B.
The largest by market cap are Riley Exploration Permian (REPX) at $1.08B, Diversified Energy Company (DEC) at $1.02B and Obsidian Energy (OBE) at $799M.
Among institutional investors, Riley Exploration Permian (REPX) drew the most net new fund positions in Q2 2026: 52 funds opened new positions, taking total fund holders up 29 (17%) quarter-over-quarter.
- Combined market cap: $3.64B across 5 stocks.
- Small Cap: market cap between $250M and $2B.
- Largest constituent: Riley Exploration Permian (REPX), $1.08B market cap.
- Most net new fund positions in Q2 2026: Riley Exploration Permian (REPX), +29 holders.
Market caps and prices updated daily; fund activity based on aggregated SEC 13F filings for Q2 2026.