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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, Q2 2025

Institutional positions in Energy Recovery, Inc. as of Jun 30, 2025. 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
186
−18 vs. Q1 2025
Shares held
45.4M
+518.8K (+1.2%) vs. Q1 2025
Total value
$580.1M
−$132.7M (−18.6%) vs. Q1 2025
New holders
18
72 more added
Sold out
36
64 more reduced

Compare with Q1 2025: 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 holdersQ2 2025: 186 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 heldQ2 2025: $580.1M
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, Q2 2025

Shares, value and share of portfolio for each institution holding Energy Recovery, Inc.; share changes are against Q1 2025.

Institutions holding ERII in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Two Sigma Advisers, LP32,612$416.8K0.00%−17,000−34.3%Reduced
Principal Financial Group Inc31,763$405.9K0.00%+31,763New
CWM Advisors, LLC30,673$392.0K0.04%+8,549+38.6%Added
Thrivent Financial for Lutherans30,424$389.0K0.00%00.0%Unchanged
Manchester Capital Management LLC29,574$378.0K0.05%+400+1.4%Added
Horizon Kinetics Asset Management LLC28,440$363.5K0.00%+28,440New
Verition Fund Management LLC28,276$361.4K0.00%+6,756+31.4%Added
Teton Advisors, Inc.28,000$357.8K0.22%00.0%Unchanged
Universal- Beteiligungs- und Servicegesellschaft mbH26,461$338.2K0.00%+2,623+11.0%Added
Dark Forest Capital Management LP26,302$336.1K0.01%−84,498−76.3%Reduced
Squarepoint Ops LLC25,893$330.9K0.00%+25,893New
Zurcher Kantonalbank (Zurich Cantonalbank)24,910$318.4K0.00%+41+0.2%Added
Nebula Research & Development LLC24,475$312.8K0.03%+9,969+68.7%Added
Graham Capital Management, L.P.24,461$312.6K0.01%−19,420−44.3%Reduced
Janus Henderson Group PLC24,175$308.8K0.00%−53,281−68.8%Reduced
Russell Investments Group, Ltd.23,299$297.8K0.00%+14,598+167.8%Added
Citigroup Inc22,430$286.7K0.00%−25,064−52.8%Reduced
Balyasny Asset Management LLC21,440$274.0K0.00%−63,817−74.9%Reduced
AQR Capital Management LLC21,272$271.9K0.00%+7,881+58.9%Added
Aristides Capital LLC19,998$255.6K0.08%+19,998New
Manufacturers Life Insurance Company, The19,544$249.8K0.00%−728−3.6%Reduced
State of Wyoming19,486$249.0K0.03%+4,622+31.1%Added
Versor Investments LP19,000$242.8K0.04%+19,000New
Centiva Capital, LP18,811$240.4K0.02%−2,597−12.1%Reduced
Magnetar Financial LLC16,762$214.2K0.00%+2,699+19.2%Added
D.A. Davidson & Co.16,238$207.5K0.00%−400−2.4%Reduced
PharVision Advisers, LLC16,155$206.5K0.30%+16,155New
Arizona State Retirement System16,026$204.8K0.00%−581−3.5%Reduced
State Board of Administration of Florida Retirement System15,917$203.4K0.00%00.0%Unchanged
Voya Investment Management LLC15,911$203.3K0.00%+168+1.1%Added
Clear Creek Financial Management, LLC15,250$194.9K0.02%00.0%Unchanged
Beverly Hills Private Wealth, LLC15,100$193.0K0.04%+100+0.7%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main14,340$183.3K0.00%00.0%Unchanged
Engineers Gate Manager LP14,075$179.9K0.00%−43,303−75.5%Reduced
Wealth Enhancement Advisory Services, LLC13,371$176.5K0.00%−2,173−14.0%Reduced
State of Tennessee, Treasury Department13,770$176.0K0.00%+13,770New
FMR LLC13,527$172.9K0.00%−5,659−29.5%Reduced
US Bancorp12,937$165.3K0.00%+11,641+898.2%Added
Police & Firemen's Retirement System of New Jersey12,762$163.1K0.00%00.0%Unchanged
PDT Partners, LLC12,405$158.5K0.01%+12,405New
Groupe la Francaise12,000$152.7K0.00%+12,000New
Commonwealth Equity Services, LLC11,800$151.0K0.00%+675+6.1%Added
Pathstone Holdings, LLC11,205$144.3K0.00%+113+1.0%Added
S&CO Inc11,000$140.0K0.01%00.0%Unchanged
ProShare Advisors LLC10,929$139.7K0.00%−1,363−11.1%Reduced
Exchange Traded Concepts, LLC9,126$116.6K0.00%−709−7.2%Reduced
Avanza Fonder AB7,274$93.0K0.00%00.0%Unchanged
Smithfield Trust Co6,700$86.0K0.00%00.0%Unchanged
BNP PARIBAS ASSET MANAGEMENT Holding S.A.6,484$83.0K0.00%−4,110−38.8%Reduced
FNY Investment Advisers, LLC6,316$80.0K0.03%+6,316New
Tower Research Capital LLC (TRC)6,011$76.8K0.00%+3,803+172.2%Added
Quarry LP5,656$72.3K0.02%+5,656New
Ameritas Investment Partners, Inc.5,537$70.8K0.00%00.0%Unchanged
Caldwell Sutter Capital, Inc.5,000$63.9K0.03%00.0%Unchanged
Aquatic Capital Management LLC3,596$46.0K0.00%−13,712−79.2%Reduced
Trust Co of Toledo NA2,879$36.8K0.00%+2,879New
The PNC Financial Services Group, Inc.2,600$33.2K0.00%−570−18.0%Reduced
Founders Capital Management2,300$29.4K0.02%00.0%Unchanged
Amalgamated Bank1,944$25.0K0.00%00.0%Unchanged
Comerica Bank1,630$20.8K0.00%+856+110.6%Added
Simplex Trading, LLC1,595$20.0K0.00%−7,106−81.7%Reduced
Costello Asset Management, INC1,300$16.6K0.01%00.0%Unchanged
Advisor Group Holdings, Inc.1,268$16.2K0.00%+522+70.0%Added
National Bank of Canada1,185$15.1K0.00%−433−26.8%Reduced
AdvisorNet Financial, Inc697$8.91K0.00%+253+57.0%Added
Nisa Investment Advisors, LLC602$7.69K0.00%+340+129.8%Added
Quest Partners LLC503$6.43K0.00%−20,649−97.6%Reduced
Newbridge Financial Services Group, Inc.500$6.39K0.00%00.0%Unchanged
Towarzystwo Funduszy Inwestycyjnych Pzu SA400$5.11K0.00%00.0%Unchanged
CWM, LLC404$5.00K0.00%−80−16.5%Reduced
Concord Wealth Partners300$3.83K0.00%00.0%Unchanged
Leonteq Securities AG227$2.90K0.00%+26+12.9%Added
Sterling Capital Management LLC132$1.69K0.00%+74+127.6%Added
Whittier Trust Co100$1.28K0.00%00.0%Unchanged
Vision Financial Markets LLC100$1.28K0.00%00.0%Unchanged
Hantz Financial Services, Inc.72$1.00K0.00%−1,859−96.3%Reduced
Covestor Ltd57$1.00K0.00%−11−16.2%Reduced
Northwestern Mutual Wealth Management Co74$9460.00%+74New
SBI Securities Co., Ltd.63$8050.00%−120−65.6%Reduced
CIBC Private Wealth Group, LLC63$8050.00%00.0%Unchanged
EverSource Wealth Advisors, LLC37$4720.00%−36−49.3%Reduced
IFP Advisors, Inc0$4350.00%0New
Rothschild Investment LLC20$2560.00%−115−85.2%Reduced
Farther Finance Advisors, LLC10$1280.00%−9−47.4%Reduced
Allworth Financial LP5$640.00%−6−54.5%Reduced
Kozak & Associates, Inc.0$60.00%0Unchanged
Baillie Gifford & Co0$00.00%−1,099,276−100.0%Sold out
UniSuper Management Pty Ltd0$00.00%−215,222−100.0%Sold out
Lagoda Investment Management, L.P.0$00.00%−74,107−100.0%Sold out
OP Asset Management Ltd0$00.00%−59,428−100.0%Sold out
Two Sigma Investments, LP0$00.00%−53,441−100.0%Sold out
Algert Global LLC0$00.00%−47,050−100.0%Sold out
Bank of Montreal0$00.00%−45,478−100.0%Sold out
Susquehanna Fundamental Investments, LLC0$00.00%−31,676−100.0%Sold out
EntryPoint Capital, LLC0$00.00%−28,713−100.0%Sold out
Corebridge Financial, Inc.0$00.00%−27,818−100.0%Sold out
Creative Planning0$00.00%−26,867−100.0%Sold out
Promethium Advisors,llc0$00.00%−25,729−100.0%Sold out
Jump Financial, LLC0$00.00%−22,723−100.0%Sold out
Allianz Asset Management GmbH0$00.00%−21,329−100.0%Sold out