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Micro Cap Energy
Stocks Ranked by
Market Capitalization

Name Market cap Price Price
change %
NINE
26
Nine Energy Service Inc
NINE
$110M
$110M $7.92 4.76%
ANNA
27
AleAnna Inc
ANNA
$110M
$110M $2.69 0.75%
WEEI
28
Westwood Salient Enhanced Energy Income ETF
WEEI
$109M
$109M $24.81 0.77%
PSCE icon
29
Invesco S&P SmallCap Energy ETF
PSCE
$106M
$106M $60.11 1.71%
SLNG icon
30
Stabilis Solutions
SLNG
$93.2M
$93.2M $5.01 2.87%
DWSN icon
31
Dawson Geophysical
DWSN
$86M
$86M $2.77 0.36%
DTI icon
32
Drilling Tools International
DTI
$83.3M
$83.3M $2.36 3.06%
DIG icon
33
ProShares Ultra Energy
DIG
$82.6M
$82.6M $68.67 1.75%
MMLP icon
34
Martin Midstream Partners
MMLP
$82.2M
$82.2M $2.10 3.67%
PXS icon
35
Pyxis Tankers
PXS
$81M
$81M $7.91 2.33%
EINC icon
36
VanEck Energy Income ETF
EINC
$79.5M
$79.5M $115.22 0.78%
BSIN
37
Big Sky Industrial
BSIN
$76.6M
$76.6M $1.46 2.82%
LSE
38
Leishen Energy Holding Co
LSE
$76.4M
$76.4M $4.49 0.22%
NRT
39
North European Oil Royalty Trust
NRT
$76.4M
$76.4M $8.31 1.77%
USOY
40
Defiance Oil Enhanced Options Income ETF
USOY
$70M
$70M $7.25 1.89%
CRT
41
Cross Timbers Royalty Trust
CRT
$69.1M
$69.1M $11.52 2.12%
XLEI
42
State Street Energy Select Sector SPDR Premium Income ETF
XLEI
$69M
$69M $27.62 0.84%
AEC
43
Anfield Energy
AEC
$68.6M
$68.6M $3.44 0%
PXI icon
44
Invesco Dorsey Wright Energy Momentum ETF
PXI
$67.5M
$67.5M $64.24 1.9%
PIPE
45
Invesco SteelPath MLP & Energy Infrastructure ETF
PIPE
$63.2M
$63.2M $29.14 0.66%
GEOS icon
46
Geospace Technologies
GEOS
$61.4M
$61.4M $4.75 1.04%
BATL icon
47
Battalion Oil
BATL
$60.1M
$60.1M $1.05 1.94%
PVL
48
Permianville Royalty Trust
PVL
$59.1M
$59.1M $1.79 2.19%
VOC icon
49
VOC Energy
VOC
$58.1M
$58.1M $3.42 0%
COAL icon
50
Range Global Coal Index ETF
COAL
$53.9M
$53.9M $24.49 1.2%
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Micro Cap Energy Stocks at a Glance

Energy companies find, produce, refine, and transport oil, gas, and other fuels, or supply the equipment and services that keep those operations running. Earnings track commodity prices closely, making this one of the most cyclical sectors — capital discipline and cost per barrel separate the winners across price swings.

There are 89 micro cap Energy stocks — companies in the Energy sector with a market cap under $250M — worth a combined $7.27B.

The largest by market cap are Direxion Daily Energy Bull 2X ETF (ERX) at $247M, Infinity Natural Resources (INR) at $246M and Imperial Petroleum (IMPP) at $240M.

Among institutional investors, HMH Holding Inc (HMH) drew the most net new fund positions in Q2 2026: 69 funds opened new positions.

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