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ISTHMUS PARTNERS, LLC

Position in ERII — Energy Recovery, Inc.

CIK 1639666 MADISON, WI

Position in ERII

as of Jun 30, 2026 · filed Jul 20, 2026
Position Value
$1,456,251
-$87,097 QoQ
Shares Held
161,447
+5.3% QoQ
Ownership
0.316%
of shares outstanding
% of Portfolio
0.16%
of 13F equity value
Holder Rank
#44
of 198 holders
Holding Since
Dec 2025
3 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ERII Over Time

Shares Held

Position Value (USD)

Position in Pollution & Treatment Controls

Industrials · as of Jun 30, 2026

ISTHMUS PARTNERS, LLC holds $12,630,995 across 2 Pollution & Treatment Controls names. ERII ranks #2 (11.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 ERII
Energy Recovery, Inc.
This page
161,447 $1,456,251

All Filings in ERII

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3 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,456,251 161,447
2026-03-31 $1,543,348 153,262
2025-12-31 $1,498,118 111,054