Institutional HoldersBeta

Who holds a company, from every 13F filed for the quarter, one row per filer exactly as filed, against the latest share count the company reported.

Energy Recovery, Inc.

CIK 0001421517ERII· quarter ending 2026-06-30
Shares outstanding
51,044,875
Held by 13F filers
43,879,589
86.0% of shares outstanding
Holders
199
+2 vs 2026-03-31 · 41 new, 39 exited
Value
$395.6M
shares -1.0% vs prior quarter

Share classes (cover page of the 10-Q filed 2026-08-05, as of 2026-07-31)

ClassListedShares outstandingHeld by 13F filers% of classHoldersCUSIP
Common stockERII · NASDAQ51,044,87543,879,58986.0%19929270J100

Each class is compared with its own share count; classes are not added together. A class that is not exchange-listed cannot be held by 13F filers.

Securities (CUSIPs held in 13F this quarter)

tick to combine
CountCUSIPClass (as filers write it)HoldersShares heldClass shares% of classValueOptionsMapped via
29270J100COM19943,879,58951,044,87586.0%$395.6M4 call / 4 put13DGholders →

Totals combine the ticked CUSIPs and update as you tick: common-stock classes by default; preferreds, notes, warrants and depositary shares are listed but not counted. "holders →" shows a single CUSIP on its own. Bonds are held as a principal amount, not shares. Options positions are never counted as holdings.

Top holders (199 of 199 · 29270J100)

change vs 2026-03-31
#FilerShares% of classValueChange
1BlackRock, Inc.6,344,25212.43%$57.2M+253,326 (+4.2%)
2Amundi4,003,5357.84%$36.1M+263,226 (+7.0%)
3VANGUARD CAPITAL MANAGEMENT LLC2,183,7184.28%$19.7M-46,552 (-2.1%)
4Legal & General Group Plc2,059,7644.04%$18.6M+157,239 (+8.3%)
5FIL Ltd1,715,7223.36%$15.5M-272,197 (-13.7%)
6GEODE CAPITAL MANAGEMENT, LLC1,697,5503.33%$15.3M+402,442 (+31.1%)
7STATE STREET CORP1,625,8933.19%$14.7M-147,055 (-8.3%)
8VANGUARD PORTFOLIO MANAGEMENT LLC1,263,6672.48%$11.4M+2,006 (+0.2%)
9MORGAN STANLEY1,237,0032.42%$11.2M+444,312 (+56.1%)
10MACKENZIE FINANCIAL CORP1,187,6862.33%$10.7MNEW
11Invesco Ltd.925,5501.81%$8.3M+99,254 (+12.0%)
12DIMENSIONAL FUND ADVISORS LP878,7241.72%$7.9M+1,293 (+0.1%)
13ArrowMark Colorado Holdings LLC847,0001.66%$7.6M+331,000 (+64.1%)
14ROYCE & ASSOCIATES LP752,8121.47%$6.8M+269,794 (+55.9%)
15AVENIR CORP693,8861.36%$6.3M-123,869 (-15.1%)
16AMERIPRISE FINANCIAL INC679,2361.33%$6.1M-4,580,580 (-87.1%)
17MARSHALL WACE, LLP677,2481.33%$6.1M+570,951 (+537.1%)
18Kopion Asset Management, LLC639,5451.25%$5.8M+132,580 (+26.2%)
19GOLDMAN SACHS GROUP INC601,3351.18%$5.4M+132,800 (+28.3%)
20683 Capital Management, LLC530,0001.04%$4.8M-20,000 (-3.6%)
21LAZARD ASSET MANAGEMENT LLC500,0610.98%$4.5M+432,632 (+641.6%)
22NORTHERN TRUST CORP478,5240.94%$4.3M+28,087 (+6.2%)
23CITADEL ADVISORS LLC476,2360.93%$4.3M+26,800 (+6.0%)
24TUDOR INVESTMENT CORP ET AL471,9050.92%$4.3MNEW
25Swiss Life Asset Management Ltd464,6610.91%$4.2M+6,878 (+1.5%)
26Raiffeisen Bank International AG460,0000.90%$4.1M+110,000 (+31.4%)
27Zurcher Kantonalbank (Zurich Cantonalbank)439,8170.86%$4.0M+410,946 (+1423.4%)
28CenterBook Partners LP420,5070.82%$3.8M+148,671 (+54.7%)
29KLP KAPITALFORVALTNING AS400,3110.78%$3.6M-4,200 (-1.0%)
30BNP PARIBAS FINANCIAL MARKETS396,4210.78%$3.6M+125,470 (+46.3%)
31JACOBS LEVY EQUITY MANAGEMENT, INC378,7990.74%$3.4M+54,014 (+16.6%)
32VANGUARD FIDUCIARY TRUST CO367,3990.72%$3.3M+3,138 (+0.9%)
33CHARLES SCHWAB INVESTMENT MANAGEMENT INC367,1180.72%$3.3M-64,170 (-14.9%)
34PINNACLE ASSOCIATES LTD326,1190.64%$2.9M-16,288 (-4.8%)
35JPMORGAN CHASE & CO285,2160.56%$2.5M+256,665 (+899.0%)
36BROWN CAPITAL MANAGEMENT LLC282,8660.55%$2.6M-255,197 (-47.4%)
37AQR CAPITAL MANAGEMENT LLC262,8440.51%$2.4M+204,514 (+350.6%)
38TWO SIGMA INVESTMENTS, LP232,8290.46%$2.1M+143,930 (+161.9%)
39D. E. Shaw & Co., Inc.218,7070.43%$2.0M+204,807 (+1473.4%)
40SUSQUEHANNA INTERNATIONAL GROUP, LLP193,9190.38%$1.7M+121,176 (+166.6%)
41Nuveen, LLC173,7130.34%$1.6M+9,225 (+5.6%)
42UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC169,0050.33%$1.5M+3,297 (+2.0%)
43JUPITER ASSET MANAGEMENT LTD165,4010.32%$1.5M+43,272 (+35.4%)
44ISTHMUS PARTNERS, LLC161,4470.32%$1.5M+8,185 (+5.3%)
45Bank of New York Mellon Corp155,0920.30%$1.4M+6,323 (+4.3%)
46Jump Financial, LLC152,1270.30%$1.4MNEW
47Polymer Capital Management (US) LLC144,7050.28%$1.3MNEW
48SG Americas Securities, LLC142,2850.28%$1.3M-222,052 (-60.9%)
49Squarepoint Ops LLC125,1400.25%$1.1M+83,262 (+198.8%)
50NORDEA INVESTMENT MANAGEMENT AB124,6910.24%$1.1M+19,133 (+18.1%)
51RICE HALL JAMES & ASSOCIATES, LLC124,6290.24%$1.1M+4,107 (+3.4%)
52Y-Intercept (Hong Kong) Ltd120,3660.24%$1.1MNEW
53GSA CAPITAL PARTNERS LLP119,5260.23%$1.1M-194,121 (-61.9%)
54BANK OF AMERICA CORP /DE/116,3220.23%$1.0M+57,554 (+97.9%)
55EntryPoint Capital, LLC116,1010.23%$1.0M+87,729 (+309.2%)
56Pacer Advisors, Inc.115,9560.23%$1.0MNEW
57UBS Group AG110,7390.22%$999K-15,204 (-12.1%)
58Swiss National Bank105,0000.21%$947K—
59Balyasny Asset Management L.P.97,3860.19%$878K+86,674 (+809.1%)
60BANK OF MONTREAL /CAN/96,0720.19%$867KNEW
61Quantinno Capital Management LP91,3060.18%$824K+78,975 (+640.5%)
62CARY STREET PARTNERS FINANCIAL LLC89,5290.18%$808K+11,915 (+15.4%)
63PRICE T ROWE ASSOCIATES INC /MD/89,5170.18%$808K+23,258 (+35.1%)
64CoreCommodity Management, LLC87,4940.17%$789K+65,162 (+291.8%)
65Point72 Asset Management, L.P.82,8190.16%$747KNEW
66HSBC HOLDINGS PLC78,7410.15%$702K-32,071 (-28.9%)
67Russell Investments Group, Ltd.78,0030.15%$704K+42,692 (+120.9%)
68Old West Investment Management, LLC76,9300.15%$694K+30,254 (+64.8%)
69Inspire Investing, LLC76,7320.15%$692K+24,702 (+47.5%)
70MILFAM LLC75,0000.15%$677KNEW
71PRINCIPAL FINANCIAL GROUP INC74,2170.15%$669K+5,535 (+8.1%)
72GABELLI FUNDS LLC74,0000.14%$667K—
73CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM72,0830.14%$650K+23,459 (+48.2%)
74DEUTSCHE BANK AG\68,5250.13%$618K-71,080 (-50.9%)
75IMC-Chicago, LLC66,8190.13%$603K+54,286 (+433.1%)
76SEI INVESTMENTS CO64,6430.13%$583K+12,806 (+24.7%)
77RHUMBLINE ADVISERS64,4140.13%$581K-803 (-1.2%)
78NEUBERGER BERMAN GROUP LLC58,5800.11%$528KNEW
79NewEdge Advisors, LLC57,4560.11%$518KNEW
80KBC Group NV56,5970.11%$511K—
81WELLS FARGO & COMPANY/MN56,0260.11%$505K+28,361 (+102.5%)
82ExodusPoint Capital Management, LP55,3710.11%$499KNEW
83CREDIT AGRICOLE S A55,0000.11%$496K—
84ALLIANCEBERNSTEIN L.P.53,3500.10%$537K+29,400 (+122.8%)
85AVIVA PLC51,4360.10%$464K+12,717 (+32.8%)
86MERCER GLOBAL ADVISORS INC /ADV51,2850.10%$463K+14,952 (+41.2%)
87Numerai GP LLC51,0700.10%$461K+20,461 (+66.8%)
88VOYA INVESTMENT MANAGEMENT LLC48,5210.10%$438K+1,684 (+3.6%)
89BARCLAYS PLC45,6440.09%$412K+17,820 (+64.0%)
90Pathstone Holdings, LLC41,6120.08%$375K+993 (+2.4%)
91JANE STREET GROUP, LLC41,5850.08%$375K-93,888 (-69.3%)
92Diametric Capital, LP41,0780.08%$371KNEW
93MISSION WEALTH MANAGEMENT, LP41,0140.08%$370K+227 (+0.6%)
94MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.39,5190.08%$356K-1,463 (-3.6%)
95HighTower Advisors, LLC38,4340.08%$347K-7,553 (-16.4%)
96VANGUARD ASSET MANAGEMENT, Ltd36,2250.07%$327K—
97Corient Private Wealth LP33,4640.07%$302KNEW
98Brevan Howard Capital Management LP31,3970.06%$283KNEW
99ALLSTATE CORP31,1530.06%$281KNEW
100PRELUDE CAPITAL MANAGEMENT, LLC30,3540.06%$274KNEW
101CITIGROUP INC30,2130.06%$273K+17,132 (+131.0%)
102Creative Planning29,6450.06%$267KNEW
103HORIZON KINETICS ASSET MANAGEMENT LLC28,9280.06%$261K—
104MetLife Investment Management, LLC28,8240.06%$260K+1,409 (+5.1%)
105Sargent Investment Group, LLC27,0400.05%$244K-860 (-3.1%)
106Teton Advisors, LLC27,0000.05%$244K—
107Olympiad Research LP25,3960.05%$229KNEW
108Miller Global Investments, LLC24,8850.05%$224K—
109Jupiter Topco LLC24,1750.05%$218KNEW
110GREAT LAKES ADVISORS, LLC24,1680.05%$218K-8,227 (-25.4%)
111AMERICAN CENTURY COMPANIES INC23,8600.05%$215K+13,635 (+133.3%)
112Universal- Beteiligungs- und Servicegesellschaft mbH22,9760.05%$207K-11,461 (-33.3%)
113GROUP ONE TRADING LLC21,7780.04%$196K+17,747 (+440.3%)
114Virtu Financial LLC21,4820.04%$194K-11,780 (-35.4%)
115Vanguard Global Advisers, LLC21,1830.04%$191K—
116Engineers Gate Manager LP21,1000.04%$190KNEW
117Clear Creek Financial Management, LLC20,8500.04%$188K—
118ELCO Management Co., LLC20,6860.04%$187KNEW
119Linden Thomas Advisory Services, LLC20,1160.04%$181K-157 (-0.8%)
120Aristides Capital LLC18,8310.04%$170K+4,255 (+29.2%)
121IQ EQ FUND MANAGEMENT (IRELAND) Ltd18,7750.04%$169KNEW
122Cullen Capital Management, LLC18,4590.04%$167KNEW
123D.A. DAVIDSON & CO.18,4350.04%$166K+750 (+4.2%)
124INCEPTIONR LLC16,2610.03%$147KNEW
125Ballentine Partners, LLC16,2020.03%$146KNEW
126STIFEL FINANCIAL CORP15,9310.03%$144KNEW
127STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM15,9170.03%$144K—
128Cerity Partners LLC15,4900.03%$140KNEW
129Beverly Hills Private Wealth, LLC15,1000.03%$136K—
130FRANKLIN RESOURCES INC14,9410.03%$135K-4,873 (-24.6%)
131FMR LLC14,5920.03%$132K-235,988 (-94.2%)
132MANUFACTURERS LIFE INSURANCE COMPANY, THE14,5880.03%$132K+456 (+3.2%)
133NEW YORK STATE COMMON RETIREMENT FUND14,2710.03%$129K-2,693 (-15.9%)
134ARIZONA STATE RETIREMENT SYSTEM14,2130.03%$128K-338 (-2.3%)
135Ethic Inc.14,0570.03%$127KNEW
136Skandinaviska Enskilda Banken AB (publ)13,7350.03%$124K-15,753 (-53.4%)
137AXQ CAPITAL, LP13,6530.03%$123K-221 (-1.6%)
138Police & Firemen's Retirement System of New Jersey13,3010.03%$120K—
139INTECH INVESTMENT MANAGEMENT LLC13,1690.03%$119K-385 (-2.8%)
140S&CO INC13,0000.03%$117K—
141ENVESTNET ASSET MANAGEMENT INC12,7100.02%$115K-475 (-3.6%)
142Vanguard Investments Australia, Ltd.11,5090.02%$104K—
143State of Alaska, Department of Revenue10,6420.02%$95K—
144ACADIAN ASSET MANAGEMENT LLC10,1220.02%$91K-2,268 (-18.3%)
145OSAIC HOLDINGS, INC.8,0580.02%$73K-4,767 (-37.2%)
146OSSIAM7,4390.01%$67KNEW
147CALDWELL SUTTER CAPITAL, INC.5,0000.01%$45K—
148EXCHANGE TRADED CONCEPTS, LLC4,8130.01%$43K+346 (+7.7%)
149Arax Advisory Partners4,6830.01%$42KNEW
150CANADA LIFE ASSURANCE Co4,4810.01%$40K-716 (-13.8%)
151Ameritas Investment Partners, Inc.4,4520.01%$40K—
152Caitong International Asset Management Co., Ltd4,3770.01%$39K+2,846 (+185.9%)
153ROYAL BANK OF CANADA3,8060.01%$34K+2,546 (+202.1%)
154Quantbot Technologies LP3,6180.01%$33KNEW
155Avanza Fonder AB3,1370.01%$28K-2,420 (-43.5%)
156Tower Research Capital LLC (TRC)3,0780.01%$28K-1,355 (-30.6%)
157BNP PARIBAS ASSET MANAGEMENT Holding S.A.2,9030.01%$26K+436 (+17.7%)
158TRUST CO OF TOLEDO NA /OH/2,8000.01%$25K—
159Founders Capital Management2,8000.01%$25K—
160Persistent Asset Partners Ltd2,4130.00%$22KNEW
161Costello Asset Management, INC1,6000.00%$14K+300 (+23.1%)
162Basecamp Wealth Advisors LLC1,5270.00%$14K—
163Nykredit A/S1,4310.00%$13KNEW
164NATIONAL BANK OF CANADA /FI/1,3230.00%$12K-317 (-19.3%)
165US BANCORP \DE\1,2910.00%$12K+232 (+21.9%)
166FIFTH THIRD BANCORP1,1620.00%$10K-280 (-19.4%)
167Rockefeller Capital Management L.P.1,0060.00%$9K—
168AdvisorNet Financial, Inc9000.00%$8K—
169SBI Securities Co., Ltd.8500.00%$8K+568 (+201.4%)
170SIMPLEX TRADING, LLC6990.00%$6K-9,381 (-93.1%)
171PNC Financial Services Group, Inc.6370.00%$6K-12 (-1.8%)
172Versant Capital Management, Inc6270.00%$6K+456 (+266.7%)
173NISA INVESTMENT ADVISORS, LLC6020.00%$5K—
174Concord Wealth Partners5000.00%$5KNEW
175SouthState Bank Corp4070.00%$4K—
176Allworth Financial LP3790.00%$3K+132 (+53.4%)
177Leonteq Securities AG3520.00%$3K-162 (-31.5%)
178Steward Partners Investment Advisory, LLC3340.00%$3KNEW
179NFSG Corp3000.00%$3K—
180ROTHSCHILD INVESTMENT LLC3000.00%$3K+295 (+5900.0%)
181Sterling Capital Management LLC2890.00%$3K-47 (-14.0%)
182LOS ANGELES CAPITAL MANAGEMENT LLC2810.00%$3K—
183Farther Finance Advisors, LLC2520.00%$2K+197 (+358.2%)
184EverSource Wealth Advisors, LLC2110.00%$2K+1 (+0.5%)
185HARBOUR INVESTMENTS, INC.2000.00%$2K—
186Parallel Advisors, LLC1670.00%$2K+115 (+221.2%)
187Quarry LP1290.00%$1K-99 (-43.4%)
188GAMMA Investing LLC1080.00%$974—
189BARTLETT & CO. WEALTH MANAGEMENT LLC1040.00%$934—
190CARY STREET PARTNERS INVESTMENT ADVISORY LLC1010.00%$911NEW
191WHITTIER TRUST CO1000.00%$900—
192Covestor Ltd770.00%$1K+43 (+126.5%)
193SIGNATUREFD, LLC760.00%$686NEW
194True Wealth Design, LLC510.00%$461-11 (-17.7%)
195SJS Investment Consulting Inc.430.00%$388NEW
196Strive Financial Group ,LLC350.00%$316NEW
197STANCE CAPITAL LLC230.00%$207—
198IFP Advisors, Inc100.00%$90+4 (+66.7%)
199Clearstead Advisors, LLC70.00%$64NEW
Exited since 2026-03-31 (39 filers; largest 25 shown)
DIAMOND HILL CAPITAL MANAGEMENT INC−673,035
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP−514,102
Select Equity Group, L.P.−394,208
MILLENNIUM MANAGEMENT LLC−322,341
Redmond Asset Management, LLC−214,380
RENAISSANCE TECHNOLOGIES LLC−144,265
Trexquant Investment LP−135,968
Conestoga Capital Advisors, LLC−133,725
ESSEX INVESTMENT MANAGEMENT CO LLC−132,322
HRT FINANCIAL LP−76,500
XTX Topco Ltd−56,479
VICTORY CAPITAL MANAGEMENT INC−53,213
STATE OF WISCONSIN INVESTMENT BOARD−53,126
Connective Capital Management, LLC−49,026
SHELTON CAPITAL MANAGEMENT−46,385
DNB Asset Management AS−37,395
Dynamic Technology Lab Private Ltd−34,486
Quadrature Capital Ltd−33,559
CAXTON ASSOCIATES LLP−25,731
JANUS HENDERSON GROUP PLC−24,175
Aquatic Capital Management LLC−24,100
FOX RUN MANAGEMENT, L.L.C.−21,067
VARCOV Co.−16,280
Campbell & CO Investment Adviser LLC−14,640
MIRABELLA FINANCIAL SERVICES LLP−14,362

Large holders from 13D/13G (latest per reporting person, last 2 years)

Filed when a holder crosses 5% or changes materially, so often more current than the quarter-end 13F. Percentages are the filer's own, against the share count they used.

Reporting personFormFiledEventShares% of class
Threadneedle Asset Management LimitedSCHEDULE 13G/A2026-08-142026-06-3000%
Threadneedle Holdings LimitedSCHEDULE 13G/A2026-08-142026-06-3000%
Threadneedle Management Luxembourg S.A.SCHEDULE 13G/A2026-08-142026-06-3000%
CT (Lux) American Smaller Companies, a sub-fund of Columbia Threadneedle (Lux) I SICAVSCHEDULE 13G/A2026-08-142026-06-3000%
Ameriprise Financial, Inc.SCHEDULE 13G/A2026-08-142026-06-30679,2361.3%
TC Financing LtdSCHEDULE 13G/A2026-08-142026-06-3000%
TAM UK International Holdings LimitedSCHEDULE 13G/A2026-08-142026-06-3000%
TAM UK Holdings LimitedSCHEDULE 13G/A2026-08-142026-06-3000%
Threadneedle Investment Services LimitedSCHEDULE 13G/A2026-08-142026-06-3000%
Threadneedle Asset Management Holdings LimitedSCHEDULE 13G/A2026-08-142026-06-3000%
AMUNDISCHEDULE 13G/A2026-07-222026-06-304,003,5357.77%
AMUNDI ASSET MANAGEMENTSCHEDULE 13G/A2026-07-222026-06-304,003,5357.77%
The Vanguard GroupSCHEDULE 13G/A2026-03-262026-03-1300%
Brown Capital Management, LLCSCHEDULE 13G/A2025-05-152025-03-312,595,9514.76%
Abigail P. JohnsonSCHEDULE 13G/A2025-02-122024-12-3193,569.850.2%
FMR LLCSCHEDULE 13G/A2025-02-122024-12-3193,569.850.2%

Source: SEC Form 13F-HR information tables for the quarter ending 2026-06-30 (filed within 45 days of quarter end; amendments applied; values normalised to dollars), the share count from the company's latest 10-K/10-Q XBRL cover page, and Schedule 13D/13G filings. Each row is a legal 13F filer as filed — related entities (e.g. Vanguard's advisers) are not merged. Retail brokerage accounts are not reported on 13F, so the remainder is mostly retail and insiders.