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.

Q2 2021 vs. Q1 2021

How the institutions holding Energy Recovery, Inc. changed between Q1 2021 and Q2 2021.

All holders in Q2 2021 All holders in Q1 2021

13F holders of ERII: Q1 2021 compared with Q2 2021
Measure	Q1 2021	Q2 2021	Change
Holders	143	158	+15
Shares	26.6M	29.0M	+2.42M (+9.1%)
Value	$487.9M	$661.5M	+$173.6M (+35.6%)

New holders (35)

Institutions that held Energy Recovery, Inc. at the end of Q2 2021 but not at the end of Q1 2021.

Institutions new to ERII in Q2 2021
Institution	Shares	Value	% of portfolio
Montanaro Asset Management Ltd	822,000	$18.7M	2.36%
Driehaus Capital Management LLC	200,000	$4.56M	0.06%
Miura Global Management, LLC	175,000	$3.99M	0.73%
Caption Management, LLC	85,834	$1.96M	0.18%
Stephens Inc	73,426	$1.67M	0.03%
Voloridge Investment Management, LLC	51,595	$1.18M	0.01%
Squarepoint Ops LLC	28,782	$656.0K	0.00%
State Board of Administration of Florida Retirement System	28,065	$639.0K	0.00%
Cambridge Investment Research Advisors, Inc.	22,533	$513.0K	0.00%
XR Securities LLC	18,100	$412.0K	0.34%
AQR Capital Management LLC	17,556	$400.0K	0.00%
Sargent Investment Group, LLC	15,675	$357.0K	0.09%
Legato Capital Management LLC	15,452	$352.0K	0.05%
Jump Financial, LLC	13,200	$301.0K	0.03%
Advisory Research Inc	11,794	$269.0K	0.02%
Jane Street Group, LLC	10,869	$248.0K	0.00%
Commonwealth Equity Services, LLC	9,827	$223.0K	0.00%
Citizens Financial Group Inc	9,496	$216.0K	0.01%
Lagoda Investment Management, L.P.	9,300	$212.0K	0.10%
Occudo Quantitative Strategies LP	9,079	$207.0K	0.03%
Lazard Asset Management LLC	2,644	$60.0K	0.00%
O'Shaughnessy Asset Management, LLC	2,402	$55.0K	0.00%
Itau Unibanco Holding S.A.	2,039	$46.0K	0.00%
STRS Ohio	1,800	$41.0K	0.00%
Institutional & Family Asset Management, LLC	1,625	$37.0K	0.01%
Sonora Investment Management, LLC	1,320	$30.0K	0.00%
Northwestern Mutual Wealth Management Co	1,000	$23.0K	0.00%
Gemmer Asset Management LLC	866	$20.0K	0.00%
Captrust Financial Advisors	700	$16.0K	0.00%
Advisory Services Network, LLC	150	$3.00K	0.00%
Laurel Wealth Advisors LLC	118	$3.00K	0.00%
Glen Eagle Advisors, LLC	100	$2.28K	0.00%
TCI Wealth Advisors, Inc.	100	$2.00K	0.00%
Wolff Wiese Magana LLC	100	$2.00K	0.00%
Glassman Wealth Services	7	$0	0.00%

Sold out (20)

Institutions that held Energy Recovery, Inc. at the end of Q1 2021 and filed for Q2 2021 without it.

Institutions that sold out of ERII in Q2 2021
Institution	Shares, Q1 2021	Value, Q1 2021
California Public Employees Retirement System	81,700	$1.50M
Aviva PLC	67,271	$1.23M
DekaBank Deutsche Girozentrale	67,000	$1.21M
Group One Trading, L.P.	39,918	$732.0K
HSBC Holdings PLC	34,828	$640.0K
D. E. Shaw & Co., Inc.	32,592	$598.0K
Millennium Management LLC	25,075	$460.0K
Algert Global LLC	19,060	$350.0K
Lido Advisors, LLC	15,530	$285.0K
Renaissance Technologies LLC	15,400	$282.0K
Wolverine Trading, LLC	11,606	$211.0K
USA Financial Portformulas Corp	9,587	$176.0K
Sowell Financial Services LLC	6,160	$125.0K
Pinz Capital Management, LP	5,500	$101.0K
Bank of Montreal	4,168	$78.0K
Russell Investments Group, Ltd.	3,833	$70.0K
Eaton Vance Management	880	$16.0K
Ameritas Investment Company, LLC	600	$11.0K
Sofos Investments, Inc.	1	$11
Simplex Trading, LLC	27,723	$0