TWO SIGMA SECURITIES, LLC

Broker-Dealer

Position in ERII — Energy Recovery, Inc.

CIK 1450144 NEW YORK, NY

Position in ERII

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$140,828

-$54,655 QoQ

Shares Held

13,985

-3.5% QoQ

Ownership

0.027%

of shares outstanding

% of Portfolio

0.03%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2023

4 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Mar 31, 2026

TWO SIGMA SECURITIES, LLC holds $272,955 across 3 Pollution & Treatment Controls names. ERII ranks #1 (51.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ERII	Energy Recovery, Inc. This page	13,985	$140,828
2	PCT	PureCycle Technologies, Inc.	19,736	$102,429
3	ARQ	Arq, Inc.	11,601	$29,698

4 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$140,828	13,985	-3.5%	Shares	Sole	2026-05-15
2025-12-31	$195,483	14,491	-22.5%	Shares	Sole	2026-02-17
2024-12-31	$274,757	18,691	+112.5%	Shares	Sole	2025-02-14
2023-06-30	$245,820	8,795	—	Shares	Sole	2023-08-14
No filing history on record for this holder in this stock.