Small Cap
Pollution & Treatment Controls
Stocks Ranked by
Market Capitalization
| Name | Market cap | Price |
Price change % |
|
|---|---|---|---|---|
1
PureCycle Technologies
PCT
$617M
| $617M | $3.07 | 4.06% |
|
2
Aduro Clean Technologies
ADUR
$355M
| $355M | $9.95 | 0.5% |
|
3
Energy Recovery
ERII
$339M
| $339M | $6.65 | 0.15% |
|
4
Cadiz
CDZI
$328M
| $328M | $3.87 | 1.57% |
|
Small Cap Pollution & Treatment Controls Stocks at a Glance
Pollution and treatment control companies build filtration, emissions-control, waste-treatment, and recycling equipment. Environmental regulation drives demand — tightening standards create replacement and upgrade cycles largely independent of the economy.
There are 4 small cap Pollution & Treatment Controls stocks — companies in the Pollution & Treatment Controls industry with a market cap between $250M and $2B — worth a combined $1.64B.
The largest by market cap are PureCycle Technologies (PCT) at $617M, Aduro Clean Technologies (ADUR) at $355M and Energy Recovery (ERII) at $339M.
Among institutional investors, PureCycle Technologies (PCT) drew the most net new fund positions in Q2 2026: 53 funds opened new positions, taking total fund holders up 11 (3.7%) quarter-over-quarter.
- Combined market cap: $1.64B across 4 stocks.
- Small Cap: market cap between $250M and $2B.
- Largest constituent: PureCycle Technologies (PCT), $617M market cap.
- Most net new fund positions in Q2 2026: PureCycle Technologies (PCT), +11 holders.
Market caps and prices updated daily; fund activity based on aggregated SEC 13F filings for Q2 2026.