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Energy Recovery, Inc.

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

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.

13F holders, Q1 2023

Institutional positions in Energy Recovery, Inc. as of Mar 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
175
+3 vs. Q4 2022
Shares held
44.2M
+244.4K (+0.6%) vs. Q4 2022
Total value
$1.02B
+$117.8M (+13.1%) vs. Q4 2022
New holders
25
65 more added
Sold out
22
48 more reduced

2 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ERII on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2023: 175 institutions
Q1 2021: 143 institutionsQ2 2021: 158 institutionsQ3 2021: 154 institutionsQ4 2021: 162 institutionsQ1 2022: 168 institutionsQ2 2022: 165 institutionsQ3 2022: 177 institutionsQ4 2022: 174 institutionsQ1 2023: 175 institutionsQ2 2023: 186 institutionsQ3 2023: 182 institutionsQ4 2023: 192 institutionsQ1 2024: 192 institutionsQ2 2024: 174 institutionsQ3 2024: 171 institutionsQ4 2024: 189 institutionsQ1 2025: 204 institutionsQ2 2025: 186 institutionsQ3 2025: 192 institutionsQ4 2025: 192 institutionsQ1 2026: 197 institutionsQ2 2026: 199 institutions
Value heldQ1 2023: $1.02B
Q1 2021: $487.9MQ2 2021: $661.5MQ3 2021: $582.9MQ4 2021: $745.9MQ1 2022: $754.7MQ2 2022: $801.2MQ3 2022: $930.6MQ4 2022: $903.1MQ1 2023: $1.02BQ2 2023: $1.25BQ3 2023: $976.5MQ4 2023: $900.4MQ1 2024: $738.1MQ2 2024: $636.2MQ3 2024: $841.4MQ4 2024: $661.9MQ1 2025: $712.7MQ2 2025: $580.1MQ3 2025: $677.5MQ4 2025: $590.9MQ1 2026: $446.1MQ2 2026: $395.6M
Institutions holding ERII and their total value by quarter
QuarterHoldersValue
Q2 2026199$395.6M
Q1 2026197$446.1M
Q4 2025192$590.9M
Q3 2025192$677.5M
Q2 2025186$580.1M
Q1 2025204$712.7M
Q4 2024189$661.9M
Q3 2024171$841.4M
Q2 2024174$636.2M
Q1 2024192$738.1M
Q4 2023192$900.4M
Q3 2023182$976.5M
Q2 2023186$1.25B
Q1 2023175$1.02B
Q4 2022174$903.1M
Q3 2022177$930.6M
Q2 2022165$801.2M
Q1 2022168$754.7M
Q4 2021162$745.9M
Q3 2021154$582.9M
Q2 2021158$661.5M
Q1 2021143$487.9M

Institutions, Q1 2023

Shares, value and share of portfolio for each institution holding Energy Recovery, Inc.; share changes are against Q4 2022.

Institutions holding ERII in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
California State Teachers Retirement System64,735$1.49M0.00%−928−1.4%Reduced
Russell Investments Group, Ltd.64,820$1.49M0.00%+14,850+29.7%Added
Neuberger Berman Group LLC65,751$1.52M0.00%+736+1.1%Added
New York State Common Retirement Fund67,116$1.55M0.00%+8,630+14.8%Added
UBS Asset Management Americas Inc67,133$1.55M0.00%+5,369+8.7%Added
Norges Bank70,900$1.63M0.00%+70,900New
Chatham Capital Group, Inc.71,483$1.65M0.37%+49+0.1%Added
Rhumbline Advisers72,583$1.67M0.00%+1,277+1.8%Added
Gabelli Funds LLC74,000$1.71M0.01%00.0%Unchanged
Two Sigma Investments, LP74,187$1.71M0.01%−32,600−30.5%Reduced
State Board of Administration of Florida Retirement System78,204$1.80M0.00%00.0%Unchanged
Susquehanna International Group, LLP79,827$1.84M0.00%+43,821+121.7%Added
SG Americas Securities, LLC82,462$1.90M0.03%+67,519+451.8%Added
JPMorgan Chase & Co83,216$1.92M0.00%+10,211+14.0%Added
Alliancebernstein L.P.83,911$1.93M0.00%+952+1.1%Added
Victory Capital Management Inc89,070$2.05M0.00%−16,942−16.0%Reduced
Assenagon Asset Management S.A.91,176$2.10M0.01%+5,633+6.6%Added
Van Eck Associates Corp98,732$2.28M0.01%−11,762−10.6%Reduced
Wellington Management Group LLP103,078$2.38M0.00%−184−0.2%Reduced
Select Equity Group, L.P.105,877$2.44M0.01%+29,525+38.7%Added
Vontobel Holding Ltd.107,760$2.48M0.02%−829−0.8%Reduced
Swiss National Bank108,800$2.51M0.00%−11,700−9.7%Reduced
D. E. Shaw & Co., Inc.113,864$2.62M0.00%+33,778+42.2%Added
Nicholas Investment Partners, LP118,917$2.74M0.21%+1,424+1.2%Added
Brown Capital Management LLC119,304$2.75M0.04%+119,304New
State of Wisconsin Investment Board121,016$2.79M0.01%−15,142−11.1%Reduced
Redmond Asset Management, LLC121,642$2.80M0.97%+11,320+10.3%Added
Marshall Wace, LLP121,934$2.81M0.01%+102,452+525.9%Added
Scholtz & Company, LLC127,535$2.94M2.10%−2,010−1.6%Reduced
Nordea Investment Management AB176,236$3.93M0.01%+176,236New
Bank of America Corp175,998$4.06M0.00%+75,723+75.5%Added
Nuveen Asset Management, LLC201,963$4.66M0.00%−124,667−38.2%Reduced
Credit Suisse AG208,008$4.79M0.00%+56,576+37.4%Added
Silvercrest Asset Management Group LLC216,163$4.98M0.04%00.0%Unchanged
Rice Hall James & Associates, LLC221,779$5.11M0.29%−3,992−1.8%Reduced
Raymond James & Associates252,073$5.81M0.01%−723−0.3%Reduced
Two Sigma Advisers, LP253,112$5.83M0.02%−27,000−9.6%Reduced
Shelton Capital Management270,600$6.24M0.26%+170,600+170.6%Added
Lagoda Investment Management, L.P.274,945$6.34M4.50%−14,575−5.0%Reduced
Driehaus Capital Management LLC282,789$6.52M0.09%−271,480−49.0%Reduced
Baird Financial Group, Inc.295,194$6.80M0.02%−10,766−3.5%Reduced
Miura Global Management, LLC300,000$6.92M4.02%+20,000+7.1%Added
Sargent Investment Group, LLC306,910$7.27M1.92%+149,505+95.0%Added
Deutsche Bank AG317,102$7.31M0.00%+13,895+4.6%Added
DekaBank Deutsche Girozentrale363,468$7.95M0.02%−74,255−17.0%Reduced
Amundi369,610$8.66M0.00%+1,157+0.3%Added
Jacobs Levy Equity Management, Inc386,204$8.90M0.05%+41,472+12.0%Added
Charles Schwab Investment Management Inc413,977$9.54M0.00%−1,316−0.3%Reduced
Legal & General Group Plc444,437$10.2M0.00%+91,641+26.0%Added
Essex Investment Management Co LLC453,984$10.5M1.52%−4,576−1.0%Reduced
Kames Capital plc507,924$11.7M0.20%+156,195+44.4%Added
Robeco Schweiz AG510,139$11.8M0.19%00.0%Unchanged
Mesirow Institutional Investment Management, Inc.516,820$11.9M1.29%+14,670+2.9%Added
Northern Trust Corp544,101$12.5M0.00%+5,731+1.1%Added
Pembroke Management, LTD567,526$13.1M1.43%−45,196−7.4%Reduced
Goldman Sachs Group Inc612,822$14.1M0.00%+54,546+9.8%Added
FMR LLC652,498$15.0M0.00%+634,960+3,620.5%Added
Dimensional Fund Advisors LP685,567$15.8M0.01%+7,358+1.1%Added
First Trust Advisors LP780,493$18.0M0.02%+5,881+0.8%Added
Morgan Stanley781,885$18.0M0.00%−107,419−12.1%Reduced
Bank of New York Mellon Corp872,210$20.1M0.00%−6,037−0.7%Reduced
ACK Asset Management LLC877,400$20.2M3.09%+150,000+20.6%Added
Invesco Ltd.878,997$20.3M0.01%−277,517−24.0%Reduced
Montanaro Asset Management Ltd919,000$21.2M3.29%+40,000+4.6%Added
KBC Group NV925,569$21.3M0.09%+25,823+2.9%Added
Geode Capital Management, LLC1,065,523$24.6M0.00%+52,600+5.2%Added
State Street Corp1,304,693$30.1M0.00%+72,924+5.9%Added
Jennison Associates LLC1,340,469$30.9M0.03%+88,551+7.1%Added
Diamond Hill Capital Management Inc1,573,948$36.3M0.17%−416,724−20.9%Reduced
Avenir Corp1,712,066$39.5M3.73%−11,320−0.7%Reduced
FIL Ltd2,018,437$46.5M0.05%+51,033+2.6%Added
William Blair Investment Management, LLC2,576,781$59.4M0.21%+37,840+1.5%Added
Vanguard Group Inc2,797,094$64.5M0.00%+35,978+1.3%Added
Trigran Investments, Inc.3,519,830$81.1M7.83%+49,953+1.4%Added
BlackRock Inc.5,192,408$119.7M0.00%+191,341+3.8%Added
Handelsbanken Fonder AB0$00.00%−600,000−100.0%Sold out
Handelsinvest Investeringsforvaltning0$00.00%−249,100−100.0%Sold out
State of New Jersey Common Pension Fund D0$00.00%−104,924−100.0%Sold out
Sowell Financial Services LLC0$00.00%−67,565−100.0%Sold out
Millennium Management LLC0$00.00%−65,516−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−54,917−100.0%Sold out
Stifel Financial Corp0$00.00%−48,296−100.0%Sold out
Advisory Research Inc0$00.00%−33,855−100.0%Sold out
Cambridge Investment Research Advisors, Inc.0$00.00%−27,344−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−27,072−100.0%Sold out
Ocean Capital Management, LLC0$00.00%−14,122−100.0%Sold out
Citizens Financial Group Inc0$00.00%−12,428−100.0%Sold out
Quantbot Technologies LP0$00.00%−7,831−100.0%Sold out
Lazard Asset Management LLC0$00.00%−2,535−100.0%Sold out
Rockefeller Capital Management L.P.0$00.00%−1,980−100.0%Sold out
McElhenny Sheffield Capital Management, LLC0$00.00%−1,000−100.0%Sold out
Brown Brothers Harriman & Co0$00.00%−940−100.0%Sold out
Byrne Asset Management LLC0$00.00%−848−100.0%Sold out
Point72 Middle East FZE0$00.00%−549−100.0%Sold out
IFP Advisors, Inc0$00.00%−400−100.0%Sold out
Quarry LP0$00.00%−70−100.0%Sold out
Signaturefd, LLC0$00.00%−64−100.0%Sold out
Monarch Partners Asset Management LLC––––Not filed
Alpha Paradigm Partners, LLC––––Not filed