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Small Cap
Waste Management
Stocks Ranked by
Market Capitalization

Name Market cap Price Price
change %
OIO
1
OIO Group
OIO
$640M
$640M $1.84 1.66%
NVRI icon
2
Enviri
NVRI
$609M
$609M $21.62 2.37%
ONT
3
Onterris Inc
ONT
$562M
$562M $16 4.37%
PESI icon
4
Perma-Fix Environmental Services
PESI
$376M
$376M $17.71 8.65%
ABAT icon
5
American Battery Technology Co
ABAT
$353M
$353M $2.59 7.92%
AREC icon
6
American Resources Corp
AREC
$291M
$291M $2.72 8.37%

Small Cap Waste Management Stocks at a Glance

Waste management companies collect, process, recycle, and dispose of waste, and provide environmental services. Route density and scarce landfill capacity create local moats, and contracted, recurring volumes make this one of the most defensive industrial businesses.

There are 6 small cap Waste Management stocks — companies in the Waste Management industry with a market cap between $250M and $2B — worth a combined $2.83B.

The largest by market cap are OIO Group (OIO) at $640M, Enviri (NVRI) at $609M and Onterris Inc (ONT) at $562M.

Among institutional investors, American Battery Technology Co (ABAT) drew the most net new fund positions in Q2 2026: 43 funds opened new positions, taking total fund holders up 11 (6.6%) quarter-over-quarter.

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