ROYCE & ASSOCIATES LP

Position in ERII — Energy Recovery, Inc.

CIK 906304 New York, NY

Position in ERII

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

Position Value

$4,863,991

+$381,979 QoQ

Shares Held

483,018

+45.4% QoQ

Ownership

0.937%

of shares outstanding

% of Portfolio

0.05%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

7 quarters on record

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

Industrials · as of Mar 31, 2026

ROYCE & ASSOCIATES LP holds $58,659,198 across 3 Pollution & Treatment Controls names. ERII ranks #2 (8.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CECO	Ceco Environmental Corp	827,781	$49,319,191
2	ERII	Energy Recovery, Inc. This page	483,018	$4,863,991
3	ARQ	Arq, Inc.	1,748,444	$4,476,016

7 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$4,863,991	483,018	+45.4%	Shares	Sole	2026-05-12
2025-12-31	$4,482,012	332,247	+4.6%	Shares	Sole	2026-02-09
2025-09-30	$4,898,085	317,645	+1885.3%	Shares	Sole	2025-11-12
2023-12-31	$301,440	16,000	-66.7%	Shares	Sole	2024-02-12
2023-09-30	$1,018,080	48,000	+100.0%	Shares	Sole	2023-11-09
2023-06-30	$670,800	24,000	-81.0%	Shares	Sole	2023-08-07
2020-03-31	$937,440	126,000	—	Shares	Sole	2020-05-12
No filing history on record for this holder in this stock.