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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 2022

Institutional positions in Energy Recovery, Inc. as of Mar 31, 2022. 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
168
+9 vs. Q4 2021
Shares held
37.5M
+2.79M (+8.0%) vs. Q4 2021
Total value
$754.7M
+$9.24M (+1.2%) vs. Q4 2021
New holders
27
62 more added
Sold out
18
46 more reduced

3 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2022: 168 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 2022: $754.7M
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 2022

Shares, value and share of portfolio for each institution holding Energy Recovery, Inc.; share changes are against Q4 2021.

Institutions holding ERII in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.3,369,771$67.9M0.00%−29,590−0.9%Reduced
Trigran Investments, Inc.2,959,176$59.6M6.05%+205,662+7.5%Added
William Blair Investment Management, LLC2,399,163$48.3M0.14%+115,739+5.1%Added
Vanguard Group Inc2,345,417$47.2M0.00%−17,375−0.7%Reduced
FIL Ltd2,142,600$43.2M0.04%+653,311+43.9%Added
Diamond Hill Capital Management Inc1,867,650$37.6M0.14%+791,518+73.6%Added
Avenir Corp1,734,868$34.9M2.79%+2,614+0.2%Added
Bank of New York Mellon Corp1,156,931$23.3M0.00%−23,528−2.0%Reduced
Handelsbanken Fonder AB1,030,000$20.7M0.12%−70,000−6.4%Reduced
State Street Corp1,029,316$20.7M0.00%+19,814+2.0%Added
Montanaro Asset Management Ltd884,000$17.8M2.19%−175,000−16.5%Reduced
First Trust Advisors LP863,410$17.4M0.02%−68,068−7.3%Reduced
KBC Group NV752,729$15.2M0.06%−9,156−1.2%Reduced
Geode Capital Management, LLC717,374$14.4M0.00%+23,920+3.4%Added
Invesco Ltd.709,872$14.3M0.00%−347,408−32.9%Reduced
Driehaus Capital Management LLC563,765$11.4M0.14%−259,913−31.6%Reduced
MESIROW FINANCIAL INVESTMENT MANAGEMENT - Equity & Fixed Income533,045$10.7M1.19%−1600.0%Reduced
Jennison Associates LLC522,155$10.5M0.01%+522,155New
Dimensional Fund Advisors LP515,909$10.4M0.00%+28,563+5.9%Added
Millennium Management LLC510,959$10.3M0.01%+510,959New
Miura Global Management, LLC480,000$9.67M3.14%−550,000−53.4%Reduced
Pembroke Management, LTD453,435$9.13M0.76%+9,438+2.1%Added
Essex Investment Management Co LLC449,138$9.05M1.13%+57,357+14.6%Added
Silvercrest Asset Management Group LLC433,595$8.73M0.06%+4,061+0.9%Added
Northern Trust Corp413,935$8.34M0.00%−19,985−4.6%Reduced
Eaton Vance Management391,753$7.89M0.01%+391,753New
Morgan Stanley373,677$7.53M0.00%+25,974+7.5%Added
Raymond James & Associates350,477$7.06M0.01%+3,877+1.1%Added
Handelsinvest Investeringsforvaltning350,000$7.05M0.85%00.0%Unchanged
Legal & General Group Plc337,231$6.79M0.00%+26,163+8.4%Added
Baird Financial Group, Inc.300,427$6.05M0.01%+30,438+11.3%Added
Charles Schwab Investment Management Inc284,357$5.73M0.00%+7,110+2.6%Added
Deutsche Bank AG255,243$5.14M0.00%+24,171+10.5%Added
EVR Research LP227,380$4.58M1.69%+109,147+92.3%Added
Nuveen Asset Management, LLC219,027$4.33M0.00%+20,473+10.3%Added
Rice Hall James & Associates, LLC194,614$3.92M0.16%+700+0.4%Added
Healthcare of Ontario Pension Plan Trust Fund188,600$3.80M0.01%+188,600New
JPMorgan Chase & Co174,963$3.52M0.00%+49,671+39.6%Added
Lagoda Investment Management, L.P.173,805$3.50M1.89%+128,785+286.1%Added
DnB Asset Management AS164,241$3.31M0.02%−193,725−54.1%Reduced
Cubist Systematic Strategies, LLC142,061$2.86M0.02%+103,519+268.6%Added
Renaissance Technologies LLC139,000$2.80M0.00%+139,000New
State of Wisconsin Investment Board129,900$2.62M0.01%+7,000+5.7%Added
Select Equity Group, L.P.128,799$2.59M0.01%+21,655+20.2%Added
UBS Group AG127,364$2.56M0.00%+23,449+22.6%Added
Goldman Sachs Group Inc126,025$2.54M0.00%+45,238+56.0%Added
Wellington Management Group LLP120,097$2.42M0.00%+9,646+8.7%Added
ExodusPoint Capital Management, LP112,383$2.26M0.03%+54,266+93.4%Added
BNP Paribas Arbitrage, SA110,571$2.23M0.00%−29,520−21.1%Reduced
Hantz Financial Services, Inc.109,865$2.21M0.07%+54,585+98.7%Added
Nicholas Investment Partners, LP108,003$2.17M0.15%−50,933−32.0%Reduced
Victory Capital Management Inc109,008$2.15M0.00%+4,928+4.7%Added
Rafferty Asset Management, LLC96,044$1.93M0.01%−12,654−11.6%Reduced
State Board of Administration of Florida Retirement System95,248$1.92M0.00%+17,502+22.5%Added
Redmond Asset Management, LLC93,665$1.89M0.56%+61,712+193.1%Added
Monarch Partners Asset Management LLC93,240$1.88M0.42%00.0%Unchanged
Sargent Investment Group, LLC92,570$1.86M0.47%+16,025+20.9%Added
Susquehanna International Group, LLP91,078$1.83M0.00%−11,563−11.3%Reduced
Alliancebernstein L.P.90,868$1.83M0.00%+40,085+78.9%Added
Two Sigma Advisers, LP88,512$1.78M0.00%+41,600+88.7%Added
Swiss National Bank87,100$1.75M0.00%+4,400+5.3%Added
Assenagon Asset Management S.A.80,885$1.63M0.01%+80,885New
Vontobel Holding Ltd.75,727$1.55M0.01%+22,562+42.4%Added
Van Eck Associates Corp76,220$1.53M0.00%−38,152−33.4%Reduced
Boothbay Fund Management, LLC74,366$1.50M0.05%+37,018+99.1%Added
Gabelli Funds LLC74,000$1.49M0.01%00.0%Unchanged
Wells Fargo & Company72,473$1.46M0.00%−62,409−46.3%Reduced
SG Americas Securities, LLC71,802$1.45M0.01%+62,640+683.7%Added
Chatham Capital Group, Inc.71,329$1.44M0.28%+925+1.3%Added
Two Sigma Investments, LP69,532$1.40M0.00%+51,938+295.2%Added
Bank of America Corp66,143$1.33M0.00%−11,653−15.0%Reduced
Tealwood Asset Management Inc65,535$1.32M0.56%+65,535New
Neuberger Berman Group LLC65,015$1.31M0.00%−1,000−1.5%Reduced
Gsa Capital Partners LLP61,979$1.25M0.17%+61,979New
Principal Financial Group Inc60,343$1.22M0.00%−9,881−14.1%Reduced
NJ State Employees Deferred Compensation Plan59,000$1.19M0.16%00.0%Unchanged
PDT Partners, LLC56,500$1.14M0.10%+5,494+10.8%Added
Qube Research & Technologies Ltd56,039$1.13M0.01%+56,039New
D.A. Davidson & Co.49,820$1.00M0.01%00.0%Unchanged
California State Teachers Retirement System49,341$994.0K0.00%−4,906−9.0%Reduced
New York State Common Retirement Fund48,644$980.0K0.00%−10,819−18.2%Reduced
Family Management Corp48,240$972.0K0.27%−13,160−21.4%Reduced
Credit Suisse AG48,081$968.0K0.00%+3,431+7.7%Added
Meros Investment Management, LP46,224$930.0K0.74%+3,921+9.3%Added
Stifel Financial Corp45,333$913.0K0.00%+19,228+73.7%Added
Rhumbline Advisers43,211$870.0K0.00%−618−1.4%Reduced
UBS Asset Management Americas Inc40,864$823.0K0.00%−5,853−12.5%Reduced
LPL Financial LLC40,438$814.0K0.00%−2,000−4.7%Reduced
ETF Managers Group, LLC37,895$775.0K0.02%+637+1.7%Added
Jump Financial, LLC34,422$694.0K0.03%+34,422New
Trexquant Investment LP33,389$672.0K0.03%+16,766+100.9%Added
Jane Street Group, LLC30,890$623.0K0.00%+30,890New
Teton Advisors, Inc.30,000$604.0K0.10%00.0%Unchanged
Manchester Capital Management LLC28,344$571.0K0.08%00.0%Unchanged
Hussman Strategic Advisors, Inc.26,000$524.0K0.10%00.0%Unchanged
MetLife Investment Management22,475$452.6K0.00%+6,996+45.2%Added
Citadel Advisors LLC22,046$444.0K0.00%+5,790+35.6%Added
Marshall Wace, LLP21,055$424.0K0.00%+21,055New
American International Group, Inc.20,646$416.0K0.00%−1,454−6.6%Reduced
Ergoteles LLC20,100$405.0K0.02%+20,100New