Energy Recovery (ERII) Institutional Ownership

$8.85 0.00 (0.00%)

Closing price 05/22/2026 04:00 PM Eastern

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$8.62 -0.23 (-2.64%)

As of 05/22/2026 06:37 PM Eastern

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Current Institutional Ownership Percentage: 83.58%
Number of Institutional Buyers (last 12 months): 107
Total Institutional Inflows (last 12 months): $138.54M

Number of Institutional Sellers (last 12 months): 73
Total Institutional Outflows (last 12 months): $104.07M

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ERII Institutional Buying and Selling by Quarter

Energy Recovery Major Shareholders & Ownership History

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Reporting Date	Major Shareholder Name	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
5/19/2026	Bank of America Corp DE	58,768	$592K	0.0%	+10.2%	0.114%
5/18/2026	Amundi	3,740,309	$37.65M	0.0%	+31.2%	7.257%
5/16/2026	The Manufacturers Life Insurance Company	14,132	$142K	0.0%	-10.3%	0.027%
5/16/2026	Quantinno Capital Management LP	12,331	$124K	0.0%	-73.6%	0.024%
5/16/2026	Lazard Asset Management LLC	67,429	$679K	0.0%	+54.7%	0.131%
5/15/2026	Rice Hall James & Associates LLC	120,522	$1.21M	0.1%	-1.2%	0.234%
5/14/2026	Renaissance Technologies LLC	144,265	$1.45M	0.0%	+40.1%	0.280%
5/14/2026	Arrowstreet Capital Limited Partnership	514,102	$5.18M	0.0%	+47.7%	0.997%
5/14/2026	Caxton Associates LLP	25,731	$259K	0.0%	+37.2%	0.050%
5/14/2026	Sei Investments Co.	51,837	$522K	0.0%	N/A	0.101%
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5/14/2026	Group One Trading LLC	4,031	$41K	0.0%	N/A	0.008%
5/14/2026	State of Wyoming	14,004	$141K	0.0%	-21.9%	0.027%
5/7/2026	Dimensional Fund Advisors LP	877,431	$8.84M	0.0%	-7.6%	1.687%
5/7/2026	KBC Group NV	56,597	$570K	0.0%	-33.0%	0.109%
5/7/2026	S&CO Inc.	13,000	$130K	0.0%	+8.3%	0.025%
5/5/2026	D.A. Davidson & CO.	17,685	$178K	0.0%	-8.0%	0.034%
5/5/2026	Bank of New York Mellon Corp	148,769	$1.50M	0.0%	-3.9%	0.286%
5/4/2026	Principal Financial Group Inc.	68,682	$692K	0.0%	+9.0%	0.132%
4/30/2026	Hsbc Holdings PLC	110,812	$1.10M	0.0%	+70.3%	0.213%
4/30/2026	Isthmus Partners LLC	153,262	$1.54M	0.2%	+38.0%	0.295%
4/23/2026	Inspire Investing LLC	52,030	$524K	0.0%	+47.2%	0.098%
4/16/2026	SG Americas Securities LLC	364,337	$3.67M	0.0%	+124.7%	0.690%
3/20/2026	Hsbc Holdings PLC	65,056	$874K	0.0%	+106.5%	0.123%
3/10/2026	Montanaro Asset Management Ltd	128,160	$1.73M	0.5%	-37.7%	0.243%
2/26/2026	Aristides Capital LLC	13,516	$182K	0.0%	N/A	0.026%
2/19/2026	Invesco Ltd.	746,036	$10.06M	0.0%	+15.8%	1.408%
2/18/2026	Mercer Global Advisors Inc. ADV	38,950	$525K	0.0%	+52.8%	0.074%
2/18/2026	XTX Topco Ltd	28,889	$390K	0.0%	N/A	0.055%
2/18/2026	Wellington Management Group LLP	300,618	$4.06M	0.0%	-0.6%	0.568%
2/18/2026	Old West Investment Management LLC	49,944	$674K	0.1%	+14.6%	0.094%
2/18/2026	Millennium Management LLC	194,532	$2.62M	0.0%	+51.9%	0.367%
2/18/2026	Inspire Investing LLC	35,339	$477K	0.0%	+17.6%	0.067%
2/18/2026	Engineers Gate Manager LP	38,412	$518K	0.0%	-50.8%	0.073%
2/17/2026	Brown Capital Management LLC	764,793	$10.32M	0.8%	-52.3%	1.444%
2/17/2026	AQR Capital Management LLC	16,177	$218K	0.0%	-37.1%	0.031%
2/17/2026	Lazard Asset Management LLC	43,591	$588K	0.0%	-70.1%	0.082%
2/17/2026	ArrowMark Colorado Holdings LLC	377,000	$5.09M	0.1%	N/A	0.712%
2/17/2026	Amundi	2,851,691	$38.46M	0.0%	+323.6%	5.384%
2/17/2026	FIL Ltd	1,993,506	$26.89M	0.0%	-2.3%	3.763%
2/17/2026	Price T Rowe Associates Inc. MD	53,701	$725K	0.0%	+12.1%	0.101%
One page of the SpaceX S-1 will move this stock overnight (Ad) When SpaceX files its S-1 in June, the SEC will require full disclosure of operating expenses - including power consumption for 1 million GPUs, a cost that rivals entire cities. That disclosure will name the supplier. One small, publicly traded power infrastructure company sits at the center of this - carrying a $1.5 billion backlog and priced like a utility. Dylan Jovine has the full breakdown. See the stock the S-1 revealed >>
2/17/2026	California State Teachers Retirement System	49,008	$661K	0.0%	-7.7%	0.093%
2/17/2026	Russell Investments Group Ltd.	36,225	$489K	0.0%	+6.0%	0.068%
2/17/2026	State of Wisconsin Investment Board	113,666	$1.53M	0.0%	-16.6%	0.215%
2/17/2026	Royal Bank of Canada	5,781	$79K	0.0%	-57.8%	0.011%
2/17/2026	Rice Hall James & Associates LLC	121,998	$1.65M	0.1%	-18.3%	0.230%
2/16/2026	Verition Fund Management LLC	39,786	$537K	0.0%	-1.8%	0.075%
2/16/2026	Sargent Investment Group LLC	30,990	$418K	0.1%	-29.0%	0.059%
2/16/2026	Barclays PLC	97,060	$1.31M	0.0%	+6.9%	0.183%
2/13/2026	Marshall Wace LLP	109,390	$1.48M	0.0%	-54.3%	0.207%
2/13/2026	The Manufacturers Life Insurance Company	15,753	$213K	0.0%	-12.7%	0.030%
2/13/2026	Avenir Corp	969,580	$13.08M	1.4%	-5.5%	1.830%
2/13/2026	CANADA LIFE ASSURANCE Co	5,073	$68K	0.0%	-86.5%	0.010%
2/13/2026	Alpha Wave Global LP	265,121	$3.58M	0.4%	-49.8%	0.501%
2/13/2026	Jacobs Levy Equity Management Inc.	426,733	$5.76M	0.0%	+20.1%	0.806%
2/13/2026	Essex Investment Management Co. LLC	135,100	$1.82M	0.3%	-2.0%	0.255%
2/13/2026	Charles Schwab Investment Management Inc.	444,590	$6.00M	0.0%	-1.0%	0.839%
2/13/2026	Police & Firemen s Retirement System of New Jersey	13,301	$179K	0.0%	-13.4%	0.025%
2/13/2026	State Street Corp	1,764,522	$23.80M	0.0%	+22.6%	3.331%
2/13/2026	Van ECK Associates Corp	27,295	$368K	0.0%	-77.9%	0.052%
2/13/2026	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	159,654	$2.15M	0.0%	-5.3%	0.301%
2/13/2026	Wells Fargo & Company MN	68,500	$924K	0.0%	+38.8%	0.129%
2/12/2026	MetLife Investment Management LLC	24,668	$333K	0.0%	-18.5%	0.047%
2/12/2026	Aristides Capital LLC	13,516	$182K	0.0%	N/A	0.026%
2/12/2026	State Board of Administration of Florida Retirement System	18,191	$245K	0.0%	+14.3%	0.034%
2/12/2026	Renaissance Technologies LLC	102,985	$1.39M	0.0%	+85.2%	0.194%
2/12/2026	Dimensional Fund Advisors LP	949,489	$12.81M	0.0%	+2.6%	1.793%
2/12/2026	EntryPoint Capital LLC	29,024	$392K	0.2%	N/A	0.055%
2/12/2026	Skandinaviska Enskilda Banken AB publ	35,385	$477K	0.0%	-3.4%	0.067%
2/12/2026	Campbell & CO Investment Adviser LLC	81,604	$1.10M	0.1%	+67.4%	0.154%
2/12/2026	Bank of Montreal Can	33,585	$453K	0.0%	-8.7%	0.063%
2/12/2026	Raiffeisen Bank International AG	300,000	$4.04M	0.1%	+3.4%	0.566%
2/12/2026	Great Lakes Advisors LLC	29,704	$401K	0.0%	+106.8%	0.056%
2/12/2026	Aviva PLC	33,974	$458K	0.0%	+4.9%	0.064%
2/12/2026	Nuveen LLC	164,658	$2.22M	0.0%	-4.2%	0.311%
2/11/2026	Inceptionr LLC	23,549	$318K	0.1%	+29.8%	0.044%
2/11/2026	Deutsche Bank AG	171,306	$2.31M	0.0%	-25.2%	0.323%
2/11/2026	Parallel Advisors LLC	2,796	$38K	0.0%	N/A	0.005%
2/11/2026	State of Wyoming	17,926	$242K	0.0%	-16.9%	0.034%
2/10/2026	Goldman Sachs Group Inc.	607,176	$8.19M	0.0%	+9.5%	1.146%
2/10/2026	Jupiter Asset Management Ltd.	122,129	$1.65M	0.0%	-24.8%	0.231%
2/9/2026	Redmond Asset Management LLC	226,335	$3.05M	0.8%	-1.5%	0.427%
2/9/2026	Geode Capital Management LLC	1,260,894	$17.01M	0.0%	-2.4%	2.380%
2/9/2026	Royce & Associates LP	332,247	$4.48M	0.0%	+4.6%	0.627%
2/9/2026	Cary Street Partners Financial LLC	54,749	$739K	0.0%	+3.7%	0.103%
2/9/2026	Legal & General Group Plc	1,343,847	$18.13M	0.0%	+2.8%	2.537%
2/6/2026	Diamond Hill Capital Management Inc.	888,358	$11.98M	0.1%	-0.7%	1.677%
2/6/2026	GSA Capital Partners LLP	109,307	$1.48M	0.1%	+167.4%	0.206%
2/5/2026	Mission Wealth Management LP	40,787	$550K	0.0%	-8.3%	0.077%
2/5/2026	Isthmus Partners LLC	111,054	$1.50M	0.2%	N/A	0.210%
2/5/2026	Pinnacle Associates Ltd.	380,230	$5.13M	0.1%	-4.8%	0.718%
One page of the SpaceX S-1 will move this stock overnight (Ad) When SpaceX files its S-1 in June, the SEC will require full disclosure of operating expenses - including power consumption for 1 million GPUs, a cost that rivals entire cities. That disclosure will name the supplier. One small, publicly traded power infrastructure company sits at the center of this - carrying a $1.5 billion backlog and priced like a utility. Dylan Jovine has the full breakdown. See the stock the S-1 revealed >>
2/3/2026	Ballentine Partners LLC	10,215	$138K	0.0%	N/A	0.019%
2/3/2026	Premier Fund Managers Ltd	18,030	$243K	0.0%	N/A	0.034%
2/2/2026	Conestoga Capital Advisors LLC	133,725	$1.80M	0.0%	+2.6%	0.252%
1/29/2026	Comerica Bank	3,868	$52K	0.0%	+150.5%	0.007%
1/29/2026	Vanguard Group Inc.	3,852,438	$51.97M	0.0%	+2.4%	7.273%
1/28/2026	Arizona State Retirement System	14,820	$200K	0.0%	-8.0%	0.028%
1/28/2026	Legacy Capital Group California Inc.	10,413	$140K	0.0%	N/A	0.020%
1/27/2026	Evergreen Capital Management LLC	17,449	$235K	0.0%	N/A	0.033%
1/26/2026	KBC Group NV	84,488	$1.14M	0.0%	-93.1%	0.160%
1/23/2026	State of Alaska Department of Revenue	10,642	$142K	0.0%	+252.9%	0.020%

ERII Institutional Ownership - Frequently Asked Questions

During the previous two years, 202 institutional investors and hedge funds held shares of Energy Recovery. The most heavily invested institutionals were Ameriprise Financial Inc. ($76.58M), FMR LLC ($58.66M), Vanguard Group Inc. ($51.97M), Amundi ($37.65M), FIL Ltd ($26.89M), State Street Corp ($23.80M), and Legal & General Group Plc ($18.13M).Learn more on Energy Recovery's institutional investors.

83.58% of Energy Recovery's stock is owned by institutional investors. Learn more on ERII's institutional investor holdings.

Of the 165 institutional investors that purchased Energy Recovery's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Amundi ($3.39M), Ameriprise Financial Inc. ($1.43M), Baillie Gifford & Co. ($1.12M), Alpha Wave Global LP ($971.16K), Raymond James Financial Inc. ($781.03K), Select Equity Group L.P. ($663.17K), and Vanguard Group Inc. ($512.82K).

Institutional investors have bought a total of 10,500,640 shares in the last 24 months. This purchase volume represents approximately $138.54M in transactions.

Of the 73 institutional investors that sold Energy Recovery's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Brown Capital Management LLC ($1.83M), KBC Group NV ($1.21M), New York State Common Retirement Fund ($561.64K), Alpha Wave Global LP ($449.20K), Ameriprise Financial Inc. ($434.75K), Invesco Ltd. ($217.28K), and JPMorgan Chase & Co. ($198.95K).

Institutional investors have sold a total of 7,287,625 shares in the last 24 months. This volume of shares sold represents approximately $104.07M in transactions.

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This page (NASDAQ:ERII) was last updated on 5/26/2026 by MarketBeat.com Staff.

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Energy Recovery (ERII) Institutional Ownership

ERII Institutional Buying and Selling by Quarter

Energy Recovery Major Shareholders & Ownership History

ERII Institutional Ownership - Frequently Asked Questions

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Energy Recovery (ERII) Institutional Ownership

Institutional Ownership Changes (13F Filings) for Energy Recovery (NASDAQ:ERII)

ERII Institutional Buying and Selling by Quarter

Energy Recovery Major Shareholders & Ownership History

ERII Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of ERII shares?

What percentage of Energy Recovery's stock is owned by institutional investors?

Which institutional investors have been buying Energy Recovery's stock?

How much institutional buying is happening at Energy Recovery?

Which of Energy Recovery's major shareholders have been selling company stock?

How much institutional selling is happening at Energy Recovery?

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