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 2025 vs. Q3 2025

How the institutions holding Energy Recovery, Inc. changed between Q3 2025 and Q4 2025.

All holders in Q4 2025 All holders in Q3 2025

13F holders of ERII: Q3 2025 compared with Q4 2025
Measure	Q3 2025	Of which not filed for Q4 2025	Q4 2025	Change
Holders	192	1	192	+1
Shares	43.9M	15.6K	43.8M	−108.9K (−0.2%)
Value	$677.5M	$241.0K	$590.9M	−$86.3M (−12.7%)

1 institution that held it in Q3 2025 haven't filed for Q4 2025 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 Q4 2025 but not at the end of Q3 2025.

Institutions new to ERII in Q4 2025
Institution	Shares	Value	% of portfolio
ACK Asset Management LLC	677,251	$9.14M	1.15%
ArrowMark Colorado Holdings LLC	377,000	$5.09M	0.11%
Isthmus Partners, LLC	111,054	$1.50M	0.17%
Quantinno Capital Management LP	46,642	$629.2K	0.00%
Connor, Clark & Lunn Investment Management Ltd.	34,405	$464.1K	0.00%
EntryPoint Capital, LLC	29,024	$391.5K	0.15%
XTX Topco Ltd	28,889	$389.7K	0.01%
CoreCommodity Management, LLC	25,151	$339.3K	0.07%
Miller Global Investments, LLC	24,885	$335.7K	0.30%
Quantbot Technologies LP	20,658	$278.7K	0.01%
Caxton Associates LLP	18,752	$253.0K	0.01%
Premier Fund Managers Ltd	18,030	$243.0K	0.01%
Evergreen Capital Management LLC	17,449	$235.4K	0.01%
Two Sigma Securities, LLC	14,491	$195.5K	0.03%
Aristides Capital LLC	13,516	$182.3K	0.06%
Legacy Capital Group California, Inc.	10,413	$140.5K	0.03%
Ballentine Partners, LLC	10,215	$137.8K	0.00%
Parallel Advisors, LLC	2,796	$37.7K	0.00%
Basecamp Wealth Advisors LLC	1,580	$21.3K	0.00%
South State Corp.	407	$5.49K	0.00%
Los Angeles Capital Management LLC	281	$4.81K	0.00%
Simplex Trading, LLC	301	$4.06K	0.00%
Quarry LP	297	$4.01K	0.00%
Bartlett & Co. Wealth Management LLC	104	$1.40K	0.00%
Strive Financial Group ,LLC	35	$472	0.00%

Sold out (24)

Institutions that held Energy Recovery, Inc. at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of ERII in Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Silvercrest Asset Management Group LLC	480,858	$7.41M
HRT Financial LP	177,801	$2.74M
Mackenzie Financial Corp	117,228	$1.81M
Dark Forest Capital Management LP	110,704	$1.71M
Trexquant Investment LP	109,149	$1.68M
NJ State Employees Deferred Compensation Plan	59,000	$909.8K
Davy Global Fund Management Ltd	40,109	$618.5K
Voloridge Investment Management, LLC	35,482	$547.1K
Manchester Capital Management LLC	29,574	$456.0K
Polymer Capital Management (US) LLC	24,058	$371.0K
Fox Run Management, L.L.C.	14,384	$221.8K
State of Tennessee, Treasury Department	13,770	$212.3K
Balyasny Asset Management LLC	13,693	$211.1K
Axq Capital, LP	12,938	$199.5K
Commonwealth Equity Services, LLC	11,793	$182.0K
Petrus Trust Company, LTA	11,643	$179.5K
Cornerstone Investment Partners, LLC	11,054	$170.5K
Quadrature Capital Ltd	10,747	$165.6K
Man Group plc	10,511	$162.1K
Stance Capital LLC	1,539	$23.7K
Versant Capital Management, Inc	276	$4.26K
Advisory Services Network, LLC	150	$2.31K
OP Asset Management Ltd	132	$2.04K
Allworth Financial LP	8	$124

Not filed for Q4 2025 yet (1)

Institutions that held Energy Recovery, Inc. at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ERII in Q3 2025 that haven't filed for Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Lingohr & Partner Asset Management GmbH	15,603	$241.0K