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.

Q4 2021 vs. Q3 2021

How the institutions holding Energy Recovery, Inc. changed between Q3 2021 and Q4 2021.

All holders in Q4 2021 All holders in Q3 2021

13F holders of ERII: Q3 2021 compared with Q4 2021
Measure	Q3 2021	Q4 2021	Change
Holders	154	162	+8
Shares	30.6M	34.7M	+4.08M (+13.3%)
Value	$582.9M	$745.9M	+$163.0M (+28.0%)

New holders (27)

Institutions that held Energy Recovery, Inc. at the end of Q4 2021 but not at the end of Q3 2021.

Institutions new to ERII in Q4 2021
Institution	Shares	Value	% of portfolio
Diamond Hill Capital Management Inc	1,076,132	$23.1M	0.08%
Pembroke Management, LTD	443,997	$9.54M	0.70%
Chatham Capital Group, Inc.	70,404	$1.51M	0.27%
Hantz Financial Services, Inc.	55,280	$1.19M	0.03%
Two Sigma Advisers, LP	46,912	$1.01M	0.00%
Acuitas Investments, LLC	42,303	$909.0K	0.39%
Meros Investment Management, LP	42,303	$909.0K	0.66%
Lyon Street Capital, LLC	30,000	$645.0K	0.64%
Stifel Financial Corp	26,105	$561.0K	0.00%
Two Sigma Investments, LP	17,594	$378.0K	0.00%
Trexquant Investment LP	16,623	$357.0K	0.02%
Cushing Asset Management, LP	14,325	$308.0K	0.03%
Allspring Global Investments Holdings, LLC	12,185	$261.0K	0.00%
SEI Investments Co	11,065	$238.0K	0.00%
Cornerstone Investment Partners, LLC	10,334	$222.0K	0.01%
Citizens Financial Group Inc	9,496	$204.0K	0.01%
Aquatic Capital Management LLC	2,300	$49.0K	0.09%
State of Wyoming	1,657	$36.0K	0.02%
RE Dickinson Investment Advisors, LLC	1,000	$21.0K	0.02%
Investmark Advisory Group LLC	696	$14.0K	0.01%
Cardinal Capital Management, Inc.	425	$9.00K	0.00%
CWM, LLC	267	$6.00K	0.00%
Snowden Capital Advisors LLC	300	$6.00K	0.00%
TD Waterhouse Canada Inc.	185	$5.13K	0.00%
Chilton Capital Management LLC	125	$3.00K	0.00%
Covestor Ltd	23	$1.00K	0.00%
Bivin & Associates, Inc.	69	$1.00K	0.00%

Sold out (19)

Institutions that held Energy Recovery, Inc. at the end of Q3 2021 and filed for Q4 2021 without it.

Institutions that sold out of ERII in Q4 2021
Institution	Shares, Q3 2021	Value, Q3 2021
Mackenzie Financial Corp	286,142	$5.45M
Marshall Wace, LLP	156,218	$2.97M
HRT Financial LP	49,555	$943.0K
Millennium Management LLC	32,041	$610.0K
Voloridge Investment Management, LLC	28,033	$533.0K
Renaissance Technologies LLC	25,100	$478.0K
BBR Partners, LLC	20,531	$391.0K
Verition Fund Management LLC	14,290	$272.0K
Atom Investors LP	12,142	$231.0K
American Portfolios Advisors	3,085	$58.7K
Bartlett & Co. LLC	2,928	$56.0K
Bartlett & Co. Wealth Management LLC	2,928	$55.7K
O'Shaughnessy Asset Management, LLC	2,402	$46.0K
Quantbot Technologies LP	2,256	$42.0K
STRS Ohio	1,800	$34.0K
Liberty Wealth Management LLC	1,806	$34.0K
Glen Eagle Advisors, LLC	100	$1.90K
Harbour Investments, Inc.	23	$0
Meridian Wealth Partners, LLC	10	$0