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Disclosery

ERII ENERGY RECOVERY INC

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COM (common), issuer CIK 1421517

191 managers (197 13F filers) reported a position in ERII shares at 2026-03-31, 44,308,737 shares in all. 37 filers opened a position and 35 filers sold out during the quarter.

Managers
191
13F filers
197
New
37
Added
67
Reduced
64
Sold out
35
Shares held by filers
44,308,737

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
BlackRock, Inc.in group BlackRock, Inc.6,090,926$61.3M<0.01%-246,46513F-HRTimelineGroup
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC5,259,816$53M0.01%+696,46813F-HR/ATimelineGroup
VANGUARD GROUP INCgroup of 6 filers holding3,925,109$39.5MnewTimeline
Amundiin group Amundi3,740,309$37.6M0.01%+888,61813F-HRTimelineGroup
FIL Ltdin group FIL Ltd1,987,919$20M0.02%-5,58713F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc1,902,525$19.2M<0.01%+558,67813F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP1,772,948$17.9M<0.01%+8,42613F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC1,295,108$13M<0.01%+34,21413F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP877,431$8.84M<0.01%-72,05813F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.826,296$8.32M<0.01%+80,26013F-HRTimelineGroup
AVENIR CORP817,755$8.23M1%-151,82513F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY792,691$7.98M<0.01%-180,60313F-HRTimelineGroup
Diamond Hill Capital Management, LLC (I…673,035$6.78M0.04%-215,32313F-HRTimeline
683 Capital Management, LLCin group 683 Capital Management, LLC550,000$5.54M0.51%new13F-HRTimelineGroup
BROWN CAPITAL MANAGEMENT LLC538,063$5.42M0.77%-226,73013F-HRTimeline
ArrowMark Colorado Holdings LLC516,000$5.2M0.14%+139,00013F-HRTimeline
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …514,102$5.18M<0.01%+165,91513F-HRTimelineGroup
Kopion Asset Management, LLCin group Kopion Asset Management, LLC506,965$5.11M3.97%+172,49613F-HRTimelineGroup
ROYCE & ASSOCIATES LP483,018$4.86M0.05%+150,77113F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC468,535$4.72M<0.01%-138,64113F-HRTimelineGroup
Swiss Life Asset Management Ltdin group Swiss Life Asset Management L…457,783$4.61M0.02%+23,65213F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP450,437$4.54M<0.01%+12,04013F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC449,436$4.53M<0.01%+30,84913F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co431,288$4.34M<0.01%-13,30213F-HRTimelineGroup
KLP KAPITALFORVALTNING AS404,511$4.07M0.02%+16,80013F-HRTimeline
Select Equity Group, L.P.394,208$3.97M0.02%-379,36913F-HRTimeline
SG Americas Securities, LLC364,337$3.67M<0.01%+202,22113F-HRTimeline
PINNACLE ASSOCIATES LTD342,407$3.45M0.04%-37,82313F-HRTimeline
Raiffeisen Bank International AGin group Raiffeisen Bank International…350,000$3.43M0.05%+50,00013F-HRTimelineGroup
JACOBS LEVY EQUITY MANAGEMENT, INC324,785$3.27M0.01%-101,94813F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC322,341$3.25M<0.01%+127,80913F-HRTimelineGroup
GSA CAPITAL PARTNERS LLP313,647$3.16M0.2%+204,34013F-HRTimeline
UBS Group AGgroup of 2 filers holding291,651$2.94M+30,187Timeline
CenterBook Partners LP271,836$2.74M0.15%new13F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS270,951$2.73M<0.01%+154,87413F-HRTimelineGroup
FMR LLCin group FMR LLC250,580$2.52M<0.01%+33813F-HRTimelineGroup
Redmond Asset Management, LLC214,380$2.16M0.59%-11,95513F-HRTimeline
Nuveen, LLCin group TIAA164,488$1.66M<0.01%-17013F-HRTimelineGroup
ISTHMUS PARTNERS, LLC153,262$1.54M0.16%+42,20813F-HRTimeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp148,769$1.5M<0.01%-5,99913F-HRTimelineGroup
RENAISSANCE TECHNOLOGIES LLC144,265$1.45M<0.01%+41,28013F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\139,605$1.41M<0.01%-31,70113F-HRTimelineGroup
Trexquant Investment LP135,968$1.37M0.01%new13F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC135,473$1.36M<0.01%+23,80013F-HRTimelineGroup
Conestoga Capital Advisors, LLC133,725$1.35M0.03%013F-HRTimeline
ESSEX INVESTMENT MANAGEMENT CO LLC132,322$1.33M0.21%-2,77813F-HRTimeline
JUPITER ASSET MANAGEMENT LTDin group JUPITER ASSET MANAGEMENT LTD122,129$1.23M0.01%013F-HRTimelineGroup
RICE HALL JAMES & ASSOCIATES, LLC120,522$1.21M0.07%-1,47613F-HRTimeline
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC110,812$1.1M<0.01%+45,75613F-HRTimelineGroup
MARSHALL WACE, LLPin group MARSHALL WACE, LLP106,297$1.07M<0.01%-3,09313F-HRTimelineGroup
Swiss National Bank105,000$1.06M<0.01%013F-HRTimeline
NORDEA INVESTMENT MANAGEMENT ABin group NORDEA INVESTMENT MANAGEMENT …105,558$1.04M<0.01%-8,13613F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP88,899$895K<0.01%new13F-HRTimelineGroup
CARY STREET PARTNERS FINANCIAL LLCin group CARY STREET PARTNERS ASSET MA…77,614$782K0.02%+22,86513F-HRTimelineGroup
HRT FINANCIAL LP76,500$770K<0.01%new13F-HRTimeline
GABELLI FUNDS LLCin group GAMCO Investors (Gabelli)74,000$745K0.01%013F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…72,743$733K<0.01%+57,15213F-HRTimelineGroup
PRINCIPAL FINANCIAL GROUP INCin group PRINCIPAL FINANCIAL GROUP INC68,682$692K<0.01%+5,64413F-HRTimelineGroup
LAZARD ASSET MANAGEMENT LLCin group LAZARD ASSET MANAGEMENT LLC67,429$679K<0.01%+23,83813F-HRTimelineGroup
PRICE T ROWE ASSOCIATES INC /MD/66,259$668K<0.01%+12,55813F-HRTimeline
RHUMBLINE ADVISERS65,217$657K<0.01%-6,90613F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/58,768$592K<0.01%+5,42813F-HRTimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC58,330$587K<0.01%+42,15313F-HRTimelineGroup
KBC Group NVin group KBC Group NV56,597$570K<0.01%-27,89113F-HRTimelineGroup
XTX Topco Ltdin group XTX Topco Ltd56,479$569K0.01%+27,59013F-HRTimelineGroup
CREDIT AGRICOLE S Ain group CREDIT AGRICOLE S A55,000$554K<0.01%new13F-HRTimelineGroup
VICTORY CAPITAL MANAGEMENT INC53,213$536K<0.01%new13F-HRTimeline
STATE OF WISCONSIN INVESTMENT BOARD53,126$535K<0.01%-60,54013F-HRTimeline
Inspire Investing, LLCin group Inspire Investing, LLC52,030$524K0.03%+16,69113F-HRTimelineGroup
SEI INVESTMENTS COin group SEI INVESTMENTS CO51,837$522K<0.01%new13F-HRTimelineGroup
Connective Capital Management, LLC49,026$494K0.41%new13F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…48,624$490K<0.01%-38413F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC46,837$472K<0.01%+7,07013F-HRTimelineGroup
Old West Investment Management, LLC46,676$470K0.05%-3,26813F-HRTimeline
SHELTON CAPITAL MANAGEMENT46,385$467K0.01%013F-HRTimeline
HighTower Advisors, LLC45,987$463K<0.01%+8,84513F-HRTimeline
Squarepoint Ops LLCin group Squarepoint Ops LLC41,878$422K<0.01%new13F-HRTimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…40,982$413K<0.01%+3,20413F-HRTimelineGroup
MISSION WEALTH MANAGEMENT, LP40,787$411K0.01%013F-HRTimeline
Pathstone Holdings, LLCin group Pathstone Holdings, LLC40,619$409K<0.01%-57213F-HRTimelineGroup
AVIVA PLCin group AVIVA PLC38,719$390K<0.01%+4,74513F-HRTimelineGroup
DNB Asset Management ASin group DNB Asset Management AS37,395$377K<0.01%-80113F-HRTimelineGroup
MERCER GLOBAL ADVISORS INC /ADV36,333$366K<0.01%-2,61713F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…35,311$356K<0.01%-91413F-HRTimelineGroup
Dynamic Technology Lab Private Ltd34,486$347K0.06%new13F-HRTimeline
Universal- Beteiligungs- und Serviceges…in group Universal- Beteiligungs- und …34,437$347K<0.01%-11,25013F-HRTimelineGroup
Quadrature Capital Ltdin group Quadrature Capital Ltd33,559$338K<0.01%new13F-HRTimelineGroup
Virtu Financial LLCin group Virtu Financial LLC33,262$335K0.01%new13F-HRTimelineGroup
GREAT LAKES ADVISORS, LLC32,395$326K<0.01%+2,69113F-HRTimeline
ALLIANCEBERNSTEIN L.P.23,950$323K<0.01%-30,30013F-HRTimeline
Numerai GP LLC30,609$308K0.03%new13F-HRTimeline
Skandinaviska Enskilda Banken AB (publ)29,488$292K0.01%-5,89713F-HRTimeline
HORIZON KINETICS ASSET MANAGEMENT LLC28,928$291K<0.01%+48813F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…28,871$291K<0.01%+4,11313F-HRTimeline
EntryPoint Capital, LLC28,372$286K0.08%-65213F-HRTimeline
Sargent Investment Group, LLC27,900$281K0.04%-3,09013F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC27,824$280K<0.01%-69,23613F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO28,551$280K<0.01%+21113F-HR/ATimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN27,665$279K<0.01%-40,83513F-HR/ATimelineGroup
MetLife Investment Management, LLCin group MetLife Investment Management…27,415$276K<0.01%+2,74713F-HRTimelineGroup
Teton Advisors, LLC27,000$272K0.19%-1,00013F-HRTimeline
CAXTON ASSOCIATES LLP25,731$259K0.01%+6,97913F-HRTimeline
Miller Global Investments, LLC24,885$251K0.23%013F-HRTimeline
JANUS HENDERSON GROUP PLCin group Janus Henderson24,175$243K<0.01%013F-HR/ATimelineGroup
Aquatic Capital Management LLC24,100$243K0.01%+23,58413F-HRTimeline
CoreCommodity Management, LLC22,332$225K0.04%-2,81913F-HRTimeline
Clear Creek Financial Management, LLC20,850$210K0.02%+6,90013F-HRTimeline
FOX RUN MANAGEMENT, L.L.C.21,067$207K0.04%new13F-HRTimeline
Linden Thomas Advisory Services, LLC20,273$204K0.02%new13F-HRTimeline
FRANKLIN RESOURCES INCin group Franklin Resources19,814$200K<0.01%-17,50313F-HRTimelineGroup
D.A. DAVIDSON & CO.17,685$178K<0.01%-1,52813F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND16,964$171K<0.01%+19313F-HRTimeline
VARCOV Co.16,280$164K0.06%new13F-HRTimeline
STATE BOARD OF ADMINISTRATION OF FLORID…15,917$160K<0.01%-2,27413F-HRTimeline
Beverly Hills Private Wealth, LLC15,100$152K0.03%013F-HRTimeline
Campbell & CO Investment Adviser LLC14,640$147K0.01%-66,96413F-HRTimeline
Aristides Capital LLC14,576$147K0.05%+1,06013F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM14,551$147K<0.01%-26913F-HRTimeline
MIRABELLA FINANCIAL SERVICES LLP14,362$145K0.01%new13F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …14,132$142K<0.01%-1,62113F-HRTimelineGroup
State of Wyoming14,004$141K0.02%-3,92213F-HRTimeline
TWO SIGMA SECURITIES, LLC13,985$141K0.02%-50613F-HRTimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC13,960$141K<0.01%-87,66913F-HRTimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.13,900$140K<0.01%-49,19513F-HRTimelineGroup
AXQ CAPITAL, LP13,874$140K0.02%new13F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC13,554$136K<0.01%-18,16813F-HRTimeline
Police & Firemen's Retirement System of…13,301$134K<0.01%013F-HRTimeline
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC13,185$133K<0.01%+2,74613F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC13,081$132K<0.01%-11,17313F-HRTimelineGroup
S&CO INC13,000$130K0.01%+1,00013F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.12,825$129K<0.01%+12,47213F-HRTimelineGroup
IMC-Chicago, LLC12,533$126K<0.01%new13F-HRTimeline
Quantinno Capital Management LP12,331$124K<0.01%-34,31113F-HRTimeline
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC12,390$124K<0.01%-28,39713F-HRTimelineGroup
Balyasny Asset Management L.P.in group Balyasny Asset Management10,712$108K<0.01%new13F-HRTimelineGroup
State of Alaska, Department of Revenue10,642$106K<0.01%013F-HRTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC10,225$103K<0.01%-41,06313F-HRTimelineGroup
SIMPLEX TRADING, LLC10,080$102K<0.01%+9,77913F-HRTimeline
CWM, LLCin group CWM, LLC6,555$66K<0.01%+5,99113F-HRTimelineGroup
Avanza Fonder AB5,557$56K<0.01%013F-HRTimeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co5,197$52K<0.01%+12413F-HRTimelineGroup
CALDWELL SUTTER CAPITAL, INC.5,000$50.4K0.02%013F-HRTimeline
EXCHANGE TRADED CONCEPTS, LLC4,467$45K<0.01%-2,39613F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…4,452$44.8K<0.01%013F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…4,433$44.6K<0.01%+2,89913F-HRTimelineGroup
Premier Fund Managers Ltd4,314$42K<0.01%-13,71613F-HRTimeline
GROUP ONE TRADING LLC4,031$40.6K<0.01%new13F-HRTimeline
TRUST CO OF TOLEDO NA /OH/2,800$28.2K<0.01%013F-HRTimeline
Founders Capital Management2,800$28.2K0.01%+50013F-HRTimeline
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …2,467$24.8K<0.01%+83313F-HRTimelineGroup
NATIONAL BANK OF CANADA /FI/in group NATIONAL BANK OF CANADA /FI/1,640$16.5K<0.01%+23613F-HRTimelineGroup
Caitong International Asset Management …1,531$15.4K<0.01%new13F-HRTimeline
Basecamp Wealth Advisors LLC1,527$15.4K<0.01%-5313F-HRTimeline
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…1,442$14.5K<0.01%new13F-HRTimelineGroup
Costello Asset Management, INC1,300$13.1K<0.01%013F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA1,260$12K<0.01%-4,52113F-HRTimelineGroup
US BANCORP \DE\in group US BANCORP \DE\1,059$10.7K<0.01%-1113F-HRTimelineGroup
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…1,006$10.1K<0.01%-33513F-HRTimelineGroup
AdvisorNet Financial, Inc900$9.06K<0.01%013F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…649$6.54K<0.01%+4813F-HRTimelineGroup
NISA INVESTMENT ADVISORS, LLC602$6.06K<0.01%-11013F-HRTimeline
Leonteq Securities AG514$5.18K<0.01%+5013F-HRTimeline
SouthState Bank Corpin group SouthState Bank Corp407$4.1K<0.01%013F-HRTimelineGroup
Sterling Capital Management LLC336$3.38K<0.01%-1813F-HRTimeline
NFSG Corp300$3.02K<0.01%013F-HRTimeline
SBI Securities Co., Ltd.282$2.84K<0.01%+17413F-HRTimeline
LOS ANGELES CAPITAL MANAGEMENT LLC281$2.83K<0.01%013F-HRTimeline
Allworth Financial LP247$2.49K<0.01%new13F-HRTimeline
Quarry LP228$2.3K<0.01%-6913F-HRTimeline
Essential Partners LLC226$2.28K<0.01%+22013F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…210$2.12K<0.01%+16913F-HR/ATimelineGroup
HARBOUR INVESTMENTS, INC.200$2.01K<0.01%new13F-HRTimeline
Versant Capital Management, Inc171$1.72K<0.01%new13F-HRTimeline
Advisory Services Network, LLC150$1.51K<0.01%new13F-HRTimeline
BARTLETT & CO. WEALTH MANAGEMENT LLC104$1.14K<0.01%013F-HRTimeline
GAMMA Investing LLC108$1.09K<0.01%+6913F-HRTimeline
WHITTIER TRUST CO100$1.04K<0.01%013F-HRTimeline
NORTHWESTERN MUTUAL WEALTH MANAGEMENT COin group NORTHWESTERN MUTUAL INVESTMEN…100$1.01K<0.01%new13F-HRTimelineGroup
ZIONS BANCORPORATION, NATIONAL ASSOCIAT…63$634<0.01%new13F-HRTimeline
True Wealth Design, LLC62$625<0.01%new13F-HRTimeline
Farther Finance Advisors, LLC55$562<0.01%+2813F-HRTimeline
Parallel Advisors, LLC52$524<0.01%-2,74413F-HR/ATimeline
Investors Portfolio Services LLC58$481<0.01%new13F-HRTimeline
Root Financial Partners, LLC33$332<0.01%new13F-HRTimeline
MassMutual Private Wealth & Trust, FSB23$232<0.01%new13F-HRTimeline
STANCE CAPITAL LLC23$232<0.01%new13F-HRTimeline
MAI Capital Management20$202<0.01%new13F-HRTimeline
Pinnacle Wealth Planning Services, Inc.16$161<0.01%new13F-HRTimeline
IFP Advisors, Inc6$60<0.01%013F-HRTimeline
ROTHSCHILD INVESTMENT LLC5$50<0.01%-9613F-HRTimeline
Covestor Ltd34$00%+213F-HRTimelineValue filed as zero, left out of ratios.