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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 2025

Institutional positions in Energy Recovery, Inc. as of Sep 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
192
+7 vs. Q2 2025
Shares held
43.9M
−1.44M (−3.2%) vs. Q2 2025
Total value
$677.5M
+$97.8M (+16.9%) vs. Q2 2025
New holders
31
64 more added
Sold out
24
68 more reduced

1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 192 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 2025: $677.5M
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 2025

Shares, value and share of portfolio for each institution holding Energy Recovery, Inc.; share changes are against Q2 2025.

Institutions holding ERII in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
HSBC Holdings PLC31,504$484.3K0.00%+31,504New
MetLife Investment Management30,264$466.7K0.00%−3,334−9.9%Reduced
CWM Advisors, LLC30,051$463.4K0.05%−622−2.0%Reduced
Manchester Capital Management LLC29,574$456.0K0.06%00.0%Unchanged
Horizon Kinetics Asset Management LLC28,440$438.5K0.01%00.0%Unchanged
Teton Advisors, LLC28,000$431.8K0.27%+28,000New
AQR Capital Management LLC25,724$396.7K0.00%+4,452+20.9%Added
Mercer Global Advisors Inc25,487$393.0K0.00%−8,477−25.0%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)24,818$382.7K0.00%−92−0.4%Reduced
Janus Henderson Group PLC24,175$372.8K0.00%00.0%Unchanged
Polymer Capital Management (US) LLC24,058$371.0K0.05%+24,058New
State of Wyoming21,563$332.5K0.04%+2,077+10.7%Added
D.A. Davidson & Co.19,623$302.6K0.00%+3,385+20.8%Added
Quest Partners LLC18,966$292.5K0.02%+18,463+3,670.6%Added
Inceptionr LLC18,147$279.8K0.07%+18,147New
Manufacturers Life Insurance Company, The18,055$278.4K0.00%−1,489−7.6%Reduced
Susquehanna International Group, LLP17,124$264.1K0.00%−67,502−79.8%Reduced
New York State Common Retirement Fund16,771$258.6K0.00%−561,642−97.1%Reduced
Arizona State Retirement System16,116$248.5K0.00%+90+0.6%Added
State Board of Administration of Florida Retirement System15,917$245.4K0.00%00.0%Unchanged
Lingohr & Partner Asset Management GmbH15,603$241.0K0.42%+15,603New
Police & Firemen's Retirement System of New Jersey15,356$236.8K0.00%+2,594+20.3%Added
MQS Management LLC15,122$233.2K0.14%+15,122New
Beverly Hills Private Wealth, LLC15,100$232.8K0.04%00.0%Unchanged
BNP PARIBAS ASSET MANAGEMENT Holding S.A.14,955$231.0K0.00%+8,471+130.6%Added
Fox Run Management, L.L.C.14,384$221.8K0.03%+14,384New
Great Lakes Advisors, LLC14,367$221.5K0.00%+14,367New
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main14,340$221.1K0.00%00.0%Unchanged
Wealth Enhancement Advisory Services, LLC13,984$217.7K0.00%+613+4.6%Added
Clear Creek Financial Management, LLC13,950$215.1K0.02%−1,300−8.5%Reduced
State of Tennessee, Treasury Department13,770$212.3K0.00%00.0%Unchanged
Royal Bank of Canada13,693$212.0K0.00%−26,539−66.0%Reduced
Balyasny Asset Management LLC13,693$211.1K0.00%−7,747−36.1%Reduced
Axq Capital, LP12,938$199.5K0.08%+12,938New
PDT Partners, LLC12,400$191.2K0.01%−50.0%Reduced
Groupe la Francaise12,000$185.2K0.00%00.0%Unchanged
S&CO Inc12,000$185.0K0.01%+1,000+9.1%Added
Envestnet Asset Management Inc11,934$184.0K0.00%+11,934New
Commonwealth Equity Services, LLC11,793$182.0K0.00%−7−0.1%Reduced
Petrus Trust Company, LTA11,643$179.5K0.02%+11,643New
Cornerstone Investment Partners, LLC11,054$170.5K0.01%+11,054New
Pathstone Holdings, LLC10,853$167.3K0.00%−352−3.1%Reduced
Quadrature Capital Ltd10,747$165.6K0.00%+10,747New
Man Group plc10,511$162.1K0.00%+10,511New
Voya Investment Management LLC10,085$155.5K0.00%−5,826−36.6%Reduced
Exchange Traded Concepts, LLC8,275$127.6K0.00%−851−9.3%Reduced
Avanza Fonder AB7,274$112.2K0.00%00.0%Unchanged
Smithfield Trust Co6,700$104.0K0.00%00.0%Unchanged
Citigroup Inc5,731$88.4K0.00%−16,699−74.4%Reduced
Caldwell Sutter Capital, Inc.5,000$77.1K0.03%00.0%Unchanged
Ameritas Investment Partners, Inc.4,452$68.7K0.00%−1,085−19.6%Reduced
Acadian Asset Management LLC3,282$50.0K0.00%+3,282New
Tower Research Capital LLC (TRC)3,032$46.8K0.00%−2,979−49.6%Reduced
State of Alaska, Department of Revenue3,016$46.0K0.00%+3,016New
Trust Co of Toledo NA2,879$44.4K0.00%00.0%Unchanged
Founders Capital Management2,300$35.5K0.02%00.0%Unchanged
Amalgamated Bank1,944$30.0K0.00%00.0%Unchanged
Hantz Financial Services, Inc.1,931$30.0K0.00%+1,859+2,581.9%Added
Wexford Capital LP1,731$26.7K0.01%+1,731New
National Bank of Canada1,632$25.1K0.00%+447+37.7%Added
Rockefeller Capital Management L.P.1,628$25.1K0.00%+1,628New
Comerica Bank1,544$23.8K0.00%−86−5.3%Reduced
Stance Capital LLC1,539$23.7K0.01%+1,539New
US Bancorp1,376$21.2K0.00%−11,561−89.4%Reduced
Costello Asset Management, INC1,300$20.0K0.01%00.0%Unchanged
SRS Capital Advisors, Inc.1,215$18.7K0.00%+1,215New
Advisor Group Holdings, Inc.1,097$16.0K0.00%−171−13.5%Reduced
CWM, LLC839$13.0K0.00%+435+107.7%Added
AdvisorNet Financial, Inc834$12.9K0.00%+137+19.7%Added
Nisa Investment Advisors, LLC663$10.2K0.00%+61+10.1%Added
The PNC Financial Services Group, Inc.612$9.44K0.00%−1,988−76.5%Reduced
Newbridge Financial Services Group, Inc.500$7.71K0.00%00.0%Unchanged
Leonteq Securities AG389$6.00K0.00%+162+71.4%Added
Concord Wealth Partners300$4.63K0.00%00.0%Unchanged
Versant Capital Management, Inc276$4.26K0.00%+276New
Aquatic Capital Management LLC269$4.15K0.00%−3,327−92.5%Reduced
Advisory Services Network, LLC150$2.31K0.00%+150New
OP Asset Management Ltd132$2.04K0.00%+132New
Sterling Capital Management LLC129$1.99K0.00%−3−2.3%Reduced
Rothschild Investment LLC115$1.77K0.00%+95+475.0%Added
Whittier Trust Co100$1.58K0.00%00.0%Unchanged
Covestor Ltd83$1.00K0.00%+26+45.6%Added
Bessemer Group Inc82$1.00K0.00%+82New
CIBC Private Wealth Group, LLC63$9710.00%00.0%Unchanged
EverSource Wealth Advisors, LLC41$6320.00%+4+10.8%Added
Farther Finance Advisors, LLC35$5400.00%+25+250.0%Added
SBI Securities Co., Ltd.30$4630.00%−33−52.4%Reduced
GAMMA Investing LLC25$3860.00%+25New
Essential Partners LLC17$2620.00%+17New
IFP Advisors, Inc16$2470.00%+16Added
Allworth Financial LP8$1240.00%+3+60.0%Added
Larson Financial Group LLC3$460.00%+3New
Robeco Schweiz AG0$00.00%−562,689−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−124,001−100.0%Sold out
Walleye Capital LLC0$00.00%−75,513−100.0%Sold out
Healthcare of Ontario Pension Plan Trust Fund0$00.00%−61,700−100.0%Sold out
Brevan Howard Capital Management LP0$00.00%−60,093−100.0%Sold out
XTX Topco Ltd0$00.00%−49,246−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−32,612−100.0%Sold out
Thrivent Financial for Lutherans0$00.00%−30,424−100.0%Sold out