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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, Q3 2021

Institutional positions in Energy Recovery, Inc. as of Sep 30, 2021. 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
154
−3 vs. Q2 2021
Shares held
30.6M
+1.58M (+5.5%) vs. Q2 2021
Total value
$582.9M
−$78.6M (−11.9%) vs. Q2 2021
New holders
18
57 more added
Sold out
21
44 more reduced

1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: 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 holdersQ3 2021: 154 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 heldQ3 2021: $582.9M
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, Q3 2021

Shares, value and share of portfolio for each institution holding Energy Recovery, Inc.; share changes are against Q2 2021.

Institutions holding ERII in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.3,598,823$68.5M0.00%+91,525+2.6%Added
Trigran Investments, Inc.2,733,580$52.0M5.74%−372,454−12.0%Reduced
Vanguard Group Inc2,276,849$43.3M0.00%−61,387−2.6%Reduced
Avenir Corp1,677,090$31.9M2.68%+68,913+4.3%Added
FIL Ltd1,372,853$26.1M0.03%+275,522+25.1%Added
William Blair Investment Management, LLC1,306,238$24.9M0.07%+22,429+1.7%Added
Bank of New York Mellon Corp1,302,097$24.8M0.00%−15,173−1.2%Reduced
State Street Corp1,040,560$19.8M0.00%+12,102+1.2%Added
Invesco Ltd.1,024,885$19.5M0.00%−186,241−15.4%Reduced
Montanaro Asset Management Ltd974,000$18.5M2.23%+152,000+18.5%Added
Miura Global Management, LLC935,000$17.8M2.76%+760,000+434.3%Added
First Trust Advisors LP836,743$15.9M0.02%+64,541+8.4%Added
Geode Capital Management, LLC723,138$13.8M0.00%−7,115−1.0%Reduced
KBC Group NV692,034$13.2M0.05%+128,045+22.7%Added
Driehaus Capital Management LLC638,320$12.1M0.14%+438,320+219.2%Added
Dimensional Fund Advisors LP484,487$9.22M0.00%+96,726+24.9%Added
Northern Trust Corp444,730$8.46M0.00%−17,500−3.8%Reduced
DnB Asset Management AS442,372$8.42M0.05%−30,748−6.5%Reduced
Handelsbanken Fonder AB427,000$8.13M0.04%+2,000+0.5%Added
MESIROW FINANCIAL INVESTMENT MANAGEMENT - Equity & Fixed Income421,615$8.02M0.93%+421,615New
Morgan Stanley407,946$7.76M0.00%−203,548−33.3%Reduced
Essex Investment Management Co LLC384,034$7.31M0.90%+99,790+35.1%Added
Silvercrest Asset Management Group LLC368,193$7.01M0.05%+108,624+41.8%Added
Raymond James & Associates350,502$6.67M0.01%−7,145−2.0%Reduced
Mackenzie Financial Corp286,142$5.45M0.01%−19,592−6.4%Reduced
Charles Schwab Investment Management Inc276,228$5.26M0.00%−11,825−4.1%Reduced
Legal & General Group Plc273,237$5.20M0.00%+16,238+6.3%Added
Baird Financial Group, Inc.264,852$5.04M0.01%+2,431+0.9%Added
Nuveen Asset Management, LLC205,307$3.91M0.00%−44,006−17.7%Reduced
Deutsche Bank AG183,034$3.48M0.00%+26,426+16.9%Added
Rafferty Asset Management, LLC169,875$3.23M0.02%−17,933−9.5%Reduced
Handelsinvest Investeringsforvaltning160,000$3.04M0.33%00.0%Unchanged
Marshall Wace, LLP156,218$2.97M0.01%+52,539+50.7%Added
Nicholas Investment Partners, LP143,806$2.74M0.20%+6,046+4.4%Added
JPMorgan Chase & Co138,757$2.64M0.00%+28,935+26.3%Added
EVR Research LP135,000$2.57M1.42%+135,000New
Rice Hall James & Associates, LLC132,097$2.51M0.09%−703−0.5%Reduced
Arrowstreet Capital, Limited Partnership123,333$2.35M0.00%+78,750+176.6%Added
State of Wisconsin Investment Board122,900$2.34M0.00%+6,900+5.9%Added
Wellington Management Group LLP113,134$2.15M0.00%+1,361+1.2%Added
Van Eck Associates Corp108,738$2.07M0.01%+9,756+9.9%Added
Select Equity Group, L.P.102,696$1.95M0.01%+11,038+12.0%Added
Monarch Partners Asset Management LLC85,349$1.62M0.24%−12,760−13.0%Reduced
Portolan Capital Management, LLC84,771$1.61M0.12%−257,859−75.3%Reduced
Swiss National Bank82,700$1.57M0.00%+2,300+2.9%Added
State Board of Administration of Florida Retirement System77,180$1.47M0.00%+49,115+175.0%Added
Principal Financial Group Inc75,991$1.45M0.00%−284−0.4%Reduced
Gabelli Funds LLC74,000$1.41M0.01%00.0%Unchanged
Wells Fargo & Company72,720$1.39M0.00%+19,922+37.7%Added
Vontobel Holding Ltd.67,865$1.29M0.01%+67,865New
LPL Financial LLC66,566$1.27M0.00%+5,712+9.4%Added
Goldman Sachs Group Inc65,676$1.25M0.00%−23,031−26.0%Reduced
Neuberger Berman Group LLC65,000$1.24M0.00%00.0%Unchanged
Hussman Strategic Advisors, Inc.62,000$1.18M0.26%00.0%Unchanged
Family Management Corp61,400$1.17M0.32%−22,750−27.0%Reduced
UBS Group AG61,304$1.17M0.00%−18,007−22.7%Reduced
New York State Common Retirement Fund59,400$1.13M0.00%−1,101−1.8%Reduced
NJ State Employees Deferred Compensation Plan59,000$1.12M0.15%00.0%Unchanged
SG Americas Securities, LLC58,147$1.11M0.01%+884+1.5%Added
Susquehanna International Group, LLP53,740$1.02M0.00%−180,692−77.1%Reduced
California State Teachers Retirement System53,225$1.01M0.00%−4,910−8.4%Reduced
ExodusPoint Capital Management, LP51,155$973.0K0.01%+31,469+159.9%Added
PDT Partners, LLC51,000$971.0K0.07%00.0%Unchanged
D.A. Davidson & Co.49,820$948.0K0.01%−6,793−12.0%Reduced
HRT Financial LP49,555$943.0K0.01%+49,555New
Credit Suisse AG47,820$910.0K0.00%+268+0.6%Added
Alliancebernstein L.P.47,261$899.0K0.00%+9,149+24.0%Added
Rhumbline Advisers44,613$849.0K0.00%+1,873+4.4%Added
Sargent Investment Group, LLC44,020$838.0K0.20%+28,345+180.8%Added
Barclays PLC43,982$837.0K0.00%+20,299+85.7%Added
Cambridge Investment Research Advisors, Inc.37,268$709.0K0.00%+14,735+65.4%Added
ETF Managers Group, LLC35,485$682.0K0.01%+2,760+8.4%Added
Bank of America Corp33,967$646.0K0.00%+11,344+50.1%Added
Lagoda Investment Management, L.P.33,592$639.0K0.32%+24,292+261.2%Added
Janus Henderson Group PLC33,346$635.0K0.00%−4,288−11.4%Reduced
UBS Asset Management Americas Inc33,177$631.4K0.00%+407+1.2%Added
Millennium Management LLC32,041$610.0K0.00%+32,041New
Redmond Asset Management, LLC31,491$599.0K0.19%+50+0.2%Added
Teton Advisors, Inc.30,000$571.0K0.08%00.0%Unchanged
Alpha Paradigm Partners, LLC28,808$548.0K0.22%+28,808New
Manchester Capital Management LLC28,344$539.0K0.07%−20,531−42.0%Reduced
Voloridge Investment Management, LLC28,033$533.0K0.00%−23,562−45.7%Reduced
Boothbay Fund Management, LLC27,229$518.0K0.02%+27,229New
Renaissance Technologies LLC25,100$478.0K0.00%+25,100New
Manufacturers Life Insurance Company, The23,049$439.0K0.00%−1,883−7.6%Reduced
American International Group, Inc.23,083$439.0K0.00%−548−2.3%Reduced
Caxton Associates LP22,251$423.0K0.06%+22,251New
Citadel Advisors LLC21,912$417.0K0.00%−32,201−59.5%Reduced
AQR Capital Management LLC21,724$413.0K0.00%+4,168+23.7%Added
BBR Partners, LLC20,531$391.0K0.03%+20,531New
Victory Capital Management Inc19,863$378.0K0.00%−2,181−9.9%Reduced
Quest Capital Management Inc18,172$346.0K0.07%−6,367−25.9%Reduced
Pinnacle Associates Ltd18,125$345.0K0.01%+2,150+13.5%Added
Voya Investment Management LLC17,297$329.0K0.00%+771+4.7%Added
Parametric Portfolio Associates LLC17,172$327.0K0.00%+121+0.7%Added
Price T Rowe Associates Inc16,374$312.0K0.00%00.0%Unchanged
SFE Investment Counsel15,852$302.0K0.08%00.0%Unchanged
MetLife Investment Management15,479$294.6K0.00%00.0%Unchanged
Aristotle Atlantic Partners, LLC15,000$285.0K0.02%00.0%Unchanged
Verition Fund Management LLC14,290$272.0K0.00%+14,290New