Energy Recovery, Inc.

ERII

Exchange: Nasdaq
Industry: Special Industry Machinery, NEC
SEC CIK: 0001421517

SEC filings (opens in a new tab)

In the last 90 days, Energy Recovery, Inc. insiders filed 0 open-market purchases and 2 sales; 199 institutions reported holding it in 13F filings for Q2 2026, worth $395.6M in total; no superinvestor holds it.

Q3 2022 vs. Q2 2022

How the institutions holding Energy Recovery, Inc. changed between Q2 2022 and Q3 2022.

All holders in Q3 2022 All holders in Q2 2022

13F holders of ERII: Q2 2022 compared with Q3 2022
Measure	Q2 2022	Of which not filed for Q3 2022	Q3 2022	Change
Holders	165	1	177	+13
Shares	41.3M	62	43.3M	+2.04M (+4.9%)
Value	$801.2M	$1.00K	$930.6M	+$129.5M (+16.2%)

1 institution that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so the changes leave them out.

New holders (25)

Institutions that held Energy Recovery, Inc. at the end of Q3 2022 but not at the end of Q2 2022.

Institutions new to ERII in Q3 2022
Institution	Shares	Value	% of portfolio
Mesirow Institutional Investment Management, Inc.	516,095	$11.2M	1.63%
DekaBank Deutsche Girozentrale	388,416	$8.58M	0.03%
EAM Investors, LLC	115,476	$2.51M	0.55%
EAM Global Investors LLC	90,216	$1.96M	0.52%
Healthcare of Ontario Pension Plan Trust Fund	80,000	$1.74M	0.01%
Sowell Financial Services LLC	67,318	$1.46M	0.15%
Pier 88 Investment Partners LLC	54,200	$1.18M	0.28%
Artemis Investment Management LLP	37,614	$818.0K	0.01%
Squarepoint Ops LLC	31,697	$689.0K	0.01%
SEI Investments Co	26,349	$573.0K	0.00%
Virtu Financial LLC	16,306	$354.0K	0.03%
Prelude Capital Management, LLC	15,705	$341.0K	0.02%
XTX Topco Ltd	15,355	$334.0K	0.08%
Vident Investment Advisory, LLC	13,487	$293.0K	0.01%
Blair William & Co	11,457	$249.0K	0.00%
Alpha Paradigm Partners, LLC	9,752	$212.0K	0.09%
Aquatic Capital Management LLC	6,900	$150.0K	0.01%
Group One Trading, L.P.	5,376	$117.0K	0.00%
FNY Investment Advisers, LLC	2,100	$45.0K	0.03%
STRS Ohio	1,000	$21.0K	0.00%
Wipfli Financial Advisors LLC,	253	$6.00K	0.00%
Proequities, Inc.	100	$2.00K	0.00%
Nisa Investment Advisors, LLC	48	$1.00K	0.00%
Robeco Schweiz AG	510,139	$0	0.00%
Bell Investment Advisors, Inc	21	$0	0.00%

Sold out (12)

Institutions that held Energy Recovery, Inc. at the end of Q2 2022 and filed for Q3 2022 without it.

Institutions that sold out of ERII in Q3 2022
Institution	Shares, Q2 2022	Value, Q2 2022
MESIROW FINANCIAL INVESTMENT MANAGEMENT - Equity & Fixed Income	528,595	$10.3M
Millennium Management LLC	153,415	$2.98M
Gsa Capital Partners LLP	50,483	$980.0K
Dark Forest Capital Management LP	45,456	$883.0K
Algert Global LLC	21,474	$417.0K
Boothbay Fund Management, LLC	12,341	$240.0K
Elkhorn Partners Limited Partnership	1,862	$36.0K
Northwestern Mutual Wealth Management Co	1,000	$19.0K
Captrust Financial Advisors	700	$14.0K
Concord Wealth Partners	300	$6.00K
Chilton Capital Management LLC	125	$2.00K
Geneos Wealth Management Inc.	53	$1.00K

Not filed for Q3 2022 yet (1)

Institutions that held Energy Recovery, Inc. at the end of Q2 2022 and haven't filed a 13F for Q3 2022. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ERII in Q2 2022 that haven't filed for Q3 2022
Institution	Shares, Q2 2022	Value, Q2 2022
Bivin & Associates, Inc.	62	$1.00K