GREAT LAKES ADVISORS, LLC

Position in ERII — Energy Recovery, Inc.

CIK 1078013 CHICAGO, IL

Position in ERII

as of Mar 31, 2026 · filed May 12, 2026 Compact

Position Value

$326,217

-$74,489 QoQ

Shares Held

32,395

+9.1% QoQ

Ownership

0.063%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2025

3 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Industrials · as of Mar 31, 2026

GREAT LAKES ADVISORS, LLC holds $6,571,779 across 4 Pollution & Treatment Controls names. ERII ranks #3 (5.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CECO	Ceco Environmental Corp	91,071	$5,426,009
2	ZWS	Zurn Elkay Water Solutions Corp	11,421	$512,117
3	ERII	Energy Recovery, Inc. This page	32,395	$326,217
4	VLTO	Veralto Corp	3,477	$307,436

3 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$326,217	32,395	+9.1%	Shares	Sole	2026-05-12
2025-12-31	$400,706	29,704	+106.8%	Shares	Sole	2026-02-12
2025-09-30	$221,539	14,367	—	Shares	Sole	2025-11-03
No filing history on record for this holder in this stock.