SEI INVESTMENTS CO

Position in ERII — Energy Recovery, Inc.

CIK 350894 OAKS, PA

Position in ERII

as of Mar 31, 2026 · filed May 13, 2026 Compact

Position Value

$521,998

-$56,220 QoQ

Shares Held

51,837

+68.9% QoQ

Ownership

0.101%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2021

8 quarters on record

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

Industrials · as of Mar 31, 2026

SEI INVESTMENTS CO holds $53,232,893 across 5 Pollution & Treatment Controls names. ERII ranks #4 (1.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VLTO	Veralto Corp	394,325	$34,866,215
2	ZWS	Zurn Elkay Water Solutions Corp	248,631	$11,148,613
3	CECO	Ceco Environmental Corp	111,313	$6,632,028
4	ERII	Energy Recovery, Inc. This page	51,837	$521,998
5	PCT	PureCycle Technologies, Inc.	12,339	$64,039

8 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$521,998	51,837	+68.9%	Shares	Sole	2026-05-13
2023-12-31	$578,218	30,691	0.0%	Shares	Sole	2024-02-14
2023-09-30	$650,956	30,691	+41.2%	Shares	Sole	2023-11-14
2023-06-30	$607,716	21,743	-4.8%	Shares	Sole	2023-08-11
2023-03-31	$526,415	22,838	-13.3%	Shares	Sole	2023-05-12
2022-09-30	$572,827	26,349	+138.1%	Shares	Defined	2022-11-14
2022-03-31	$222,849	11,065	0.0%	Shares	Sole	2022-05-13
2021-12-31	$237,786	11,065	—	Shares	Sole	2022-02-14
No filing history on record for this holder in this stock.