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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 2026

Institutional positions in Energy Recovery, Inc. as of Jun 30, 2026. 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
199
+4 vs. Q1 2026
Shares held
43.9M
−398.4K (−0.9%) vs. Q1 2026
Total value
$395.6M
−$50.2M (−11.3%) vs. Q1 2026
New holders
41
81 more added
Sold out
37
45 more reduced

2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 2026: 199 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 2026: $395.6M
Q1 2021: $493.8MQ2 2021: $674.3MQ3 2021: $582.9MQ4 2021: $749.2MQ1 2022: $754.7MQ2 2022: $801.2MQ3 2022: $930.6MQ4 2022: $946.6MQ1 2023: $1.03BQ2 2023: $1.25BQ3 2023: $976.5MQ4 2023: $918.4MQ1 2024: $776.5MQ2 2024: $638.5MQ3 2024: $846.2MQ4 2024: $661.9MQ1 2025: $713.0MQ2 2025: $580.6MQ3 2025: $679.3MQ4 2025: $591.8MQ1 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$591.8M
Q3 2025192$679.3M
Q2 2025186$580.6M
Q1 2025204$713.0M
Q4 2024189$661.9M
Q3 2024171$846.2M
Q2 2024174$638.5M
Q1 2024192$776.5M
Q4 2023192$918.4M
Q3 2023182$976.5M
Q2 2023186$1.25B
Q1 2023175$1.03B
Q4 2022174$946.6M
Q3 2022177$930.6M
Q2 2022165$801.2M
Q1 2022168$754.7M
Q4 2021162$749.2M
Q3 2021154$582.9M
Q2 2021158$674.3M
Q1 2021143$493.8M

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Energy Recovery, Inc.; share changes are against Q1 2026.

Institutions holding ERII in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.6,344,252$57.2M0.00%+253,326+4.2%Added
Amundi4,003,535$36.1M0.01%+263,226+7.0%Added
Vanguard Capital Management LLC2,183,718$19.7M0.00%−46,552−2.1%Reduced
Legal & General Group Plc2,059,764$18.6M0.00%+157,239+8.3%Added
FIL Ltd1,715,722$15.5M0.01%−272,197−13.7%Reduced
Geode Capital Management, LLC1,697,550$15.3M0.00%+402,442+31.1%Added
State Street Corp1,625,893$14.7M0.00%−147,055−8.3%Reduced
Vanguard Portfolio Management LLC1,263,667$11.4M0.00%+2,006+0.2%Added
Morgan Stanley1,237,003$11.2M0.00%+444,312+56.1%Added
Mackenzie Financial Corp1,187,686$10.7M0.01%+1,187,686New
Invesco Ltd.925,550$8.35M0.00%+99,254+12.0%Added
Dimensional Fund Advisors LP878,724$7.93M0.00%+1,293+0.1%Added
ArrowMark Colorado Holdings LLC847,000$7.64M0.32%+331,000+64.1%Added
Royce & Associates LP752,812$6.79M0.05%+269,794+55.9%Added
Avenir Corp693,886$6.26M0.76%−123,869−15.1%Reduced
Ameriprise Financial Inc679,236$6.13M0.00%−4,580,580−87.1%Reduced
Marshall Wace, LLP677,248$6.11M0.01%+570,951+537.1%Added
Kopion Asset Management, LLC639,545$5.77M3.65%+132,580+26.2%Added
Goldman Sachs Group Inc601,335$5.42M0.00%+132,800+28.3%Added
683 Capital Management, LLC530,000$4.78M0.44%−20,000−3.6%Reduced
Lazard Asset Management LLC500,061$4.51M0.01%+432,632+641.6%Added
Northern Trust Corp478,524$4.32M0.00%+28,087+6.2%Added
Citadel Advisors LLC476,236$4.30M0.00%+26,800+6.0%Added
Tudor Investment Corp Et Al471,905$4.26M0.02%+471,905New
Swiss Life Asset Management Ltd464,661$4.19M0.02%+6,878+1.5%Added
Raiffeisen Bank International AG460,000$4.05M0.05%+110,000+31.4%Added
Zurcher Kantonalbank (Zurich Cantonalbank)439,817$3.97M0.01%+410,946+1,423.4%Added
CenterBook Partners LP420,507$3.79M0.19%+148,671+54.7%Added
KLP Kapitalforvaltning AS400,311$3.61M0.01%−4,200−1.0%Reduced
BNP Paribas Arbitrage, SA396,421$3.58M0.00%+125,470+46.3%Added
Jacobs Levy Equity Management, Inc378,799$3.42M0.01%+54,014+16.6%Added
Vanguard Fiduciary Trust Co367,399$3.31M0.00%+3,138+0.9%Added
Charles Schwab Investment Management Inc367,118$3.31M0.00%−64,170−14.9%Reduced
Pinnacle Associates Ltd326,119$2.94M0.03%−16,288−4.8%Reduced
Brown Capital Management LLC282,866$2.55M0.51%−255,197−47.4%Reduced
JPMorgan Chase & Co285,216$2.51M0.00%+256,665+899.0%Added
AQR Capital Management LLC262,844$2.37M0.00%+204,514+350.6%Added
Two Sigma Investments, LP232,829$2.10M0.00%+143,930+161.9%Added
D. E. Shaw & Co., Inc.218,707$1.97M0.00%+204,807+1,473.4%Added
Susquehanna International Group, LLP193,919$1.75M0.00%+121,176+166.6%Added
Nuveen, LLC173,713$1.57M0.00%+9,225+5.6%Added
UBS Asset Management Americas Inc169,005$1.52M0.00%+3,297+2.0%Added
Jupiter Asset Management Ltd165,401$1.49M0.01%+43,272+35.4%Added
Isthmus Partners, LLC161,447$1.46M0.14%+8,185+5.3%Added
Bank of New York Mellon Corp155,092$1.40M0.00%+6,323+4.3%Added
Jump Financial, LLC152,127$1.37M0.01%+152,127New
Polymer Capital Management (US) LLC144,705$1.31M0.19%+144,705New
SG Americas Securities, LLC142,285$1.28M0.00%−222,052−60.9%Reduced
Squarepoint Ops LLC125,140$1.13M0.00%+83,262+198.8%Added
Rice Hall James & Associates, LLC124,629$1.12M0.05%+4,107+3.4%Added
Nordea Investment Management AB124,691$1.09M0.00%+19,133+18.1%Added
Y-Intercept (Hong Kong) Ltd120,366$1.09M0.02%+120,366New
Gsa Capital Partners LLP119,526$1.08M0.07%−194,121−61.9%Reduced
Bank of America Corp116,322$1.05M0.00%+57,554+97.9%Added
EntryPoint Capital, LLC116,101$1.05M0.25%+87,729+309.2%Added
Pacer Advisors, Inc.115,956$1.05M0.00%+115,956New
UBS Group AG110,739$998.9K0.00%−15,204−12.1%Reduced
Swiss National Bank105,000$947.1K0.00%00.0%Unchanged
Balyasny Asset Management LLC97,386$878.4K0.00%+86,674+809.1%Added
Bank of Montreal96,072$866.6K0.00%+96,072New
Quantinno Capital Management LP91,306$823.6K0.00%+78,975+640.5%Added
Price T Rowe Associates Inc89,517$808.0K0.00%+23,258+35.1%Added
Cary Street Partners Financial LLC89,529$807.6K0.02%+11,915+15.4%Added
CoreCommodity Management, LLC87,494$789.2K0.16%+65,162+291.8%Added
Point72 Asset Management, L.P.82,819$747.0K0.00%+82,819New
Russell Investments Group, Ltd.78,003$703.6K0.00%+42,692+120.9%Added
HSBC Holdings PLC78,741$701.6K0.00%−32,071−28.9%Reduced
Old West Investment Management, LLC76,930$693.9K0.07%+30,254+64.8%Added
CWM Advisors, LLC76,732$692.1K0.03%+24,702+47.5%Added
Milfam LLC75,000$676.5K0.54%+75,000New
Principal Financial Group Inc74,217$669.4K0.00%+5,535+8.1%Added
Gabelli Funds LLC74,000$667.5K0.00%00.0%Unchanged
California State Teachers Retirement System72,083$650.2K0.00%+23,459+48.2%Added
Deutsche Bank AG68,525$618.1K0.00%−71,080−50.9%Reduced
IMC-Chicago, LLC66,819$602.7K0.01%+54,286+433.1%Added
SEI Investments Co64,643$583.1K0.00%+12,806+24.7%Added
Rhumbline Advisers64,414$581.0K0.00%−803−1.2%Reduced
Alliancebernstein L.P.53,350$537.2K0.00%+29,400+122.8%Added
Neuberger Berman Group LLC58,580$528.4K0.00%+58,580New
GWM Advisors LLC57,456$518.3K0.00%+57,456New
KBC Group NV56,597$511.0K0.00%00.0%Unchanged
Wells Fargo & Company56,026$505.4K0.00%+28,361+102.5%Added
ExodusPoint Capital Management, LP55,371$499.4K0.00%+55,371New
Credit Agricole S A55,000$496.1K0.00%00.0%Unchanged
Aviva PLC51,436$464.0K0.00%+12,717+32.8%Added
Mercer Global Advisors Inc51,285$462.6K0.00%+14,952+41.2%Added
Numerai GP LLC51,070$460.7K0.04%+20,461+66.8%Added
Voya Investment Management LLC48,521$437.7K0.00%+1,684+3.6%Added
Barclays PLC45,644$411.7K0.00%+17,820+64.0%Added
Pathstone Holdings, LLC41,612$375.3K0.00%+993+2.4%Added
Jane Street Group, LLC41,585$375.1K0.00%−93,888−69.3%Reduced
Diametric Capital, LP41,078$370.5K0.04%+41,078New
Mission Wealth Management, LP41,014$369.9K0.00%+227+0.6%Added
Mirae Asset Global ETFs Holdings Ltd.39,519$356.5K0.00%−1,463−3.6%Reduced
HighTower Advisors, LLC38,434$346.7K0.00%−7,553−16.4%Reduced
Vanguard Asset Management, Ltd36,225$326.8K0.00%00.0%Unchanged
CI Private Wealth, LLC33,464$301.8K0.00%+33,464New
Brevan Howard Capital Management LP31,397$283.2K0.00%+31,397New
Allstate Corp31,153$281.0K0.00%+31,153New
Prelude Capital Management, LLC30,354$273.8K0.02%+30,354New