The Balanced Investor Club

Pollution Treatment Controls Industry Analysis

19 companies analyzed • Returns from -126.1% to +214.0% • Data through Mar 19, 2026

Company List (19 Results)

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Industry Performance

(19/19 companies)
2025-03-21 → 2026-03-19
Weighted Avg
-0.8%
Best
+214.0%
Worst
-126.1%
Returns Distribution
Top 5
1. SCWO+214.0%2. CHNR+201.5%3. CLIR+153.9%4. CECO+86.5%5. DEVS+86.3%
Bottom 5
1. ZONE-126.1%2. PCTTW-91.2%3. ARQ-81.6%4. ERII-50.4%5. PCTTU-48.4%

SCWO

+214.0%

374Water Inc. Common Stock

CHNR

+201.5%

China Natural Resources Inc

CLIR

+153.9%

ClearSign Combustion Corporation

CECO

+86.5%

CECO Environmental Corp.

DEVS

+86.3%

DevvStream Corp. Common Stock

RAINW

+46.5%

Rain Enhancement Technologies Holdco, Inc. Warrants

FSS

+33.5%

Federal Signal Corporation

ZWS

+27.5%

Zurn Elkay Water Solutions Corporation

FTEK

+25.0%

Fuel Tech Inc

LIQT

+6.0%

LiqTech International Inc

CLWT

-7.5%

Euro Tech Holdings Company Ltd

VLTO

-8.7%

Veralto Corporation

PCT

-24.2%

Purecycle Technologies Holdings Corp

TOMZ

-31.1%

TOMI Environmental Solutions Inc

PCTTU

-48.4%

Purecycle Technologies Holdings Corp Unit

ERII

-50.4%

Energy Recovery Inc

ARQ

-81.6%

Arq Inc

PCTTW

-91.2%

PureCycle Technologies Inc

ZONE

-126.1%

CleanCore Solutions Inc.

Methodology

The Weighted Average return (-0.8%) is calculated using market capitalization as weights. This gives larger companies more influence on the average, providing a more market-representative view.

17 companies with market cap data included: SCWO, CHNR, CLIR, CECO, DEVS, FSS, ZWS, FTEK, LIQT, CLWT and 7 more...

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