Small Cap
Pollution & Treatment Controls
Stocks Ranked by
Market Capitalization
| Name | Market cap | Price |
Price change % |
|
|---|---|---|---|---|
1
PureCycle Technologies
PCT
$1.37B
| $1.37B | $6.80 | 0.74% |
|
|
ADUR
2
Aduro Clean Technologies
ADUR
$569M
| $569M | $16.04 | 1.2% |
|
3
Energy Recovery
ERII
$403M
| $403M | $7.90 | 1.94% |
|
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 3 small cap Pollution & Treatment Controls stocks — companies in the Pollution & Treatment Controls industry with a market cap between $250M and $2B — worth a combined $2.34B.
The largest by market cap are PureCycle Technologies (PCT) at $1.37B, Aduro Clean Technologies (ADUR) at $569M and Energy Recovery (ERII) at $403M.
Among institutional investors, PureCycle Technologies (PCT) drew the most net new fund positions in Q2 2026: 52 funds opened new positions, taking total fund holders up 8 (2.7%) quarter-over-quarter.
- Combined market cap: $2.34B across 3 stocks.
- Small Cap: market cap between $250M and $2B.
- Largest constituent: PureCycle Technologies (PCT), $1.37B market cap.
- Most net new fund positions in Q2 2026: PureCycle Technologies (PCT), +8 holders.
Market caps and prices updated daily; fund activity based on aggregated SEC 13F filings for Q2 2026.