Energy RecoveryERII

13F holders, Q4 2025 (December 31)
192holders
22new positions
23sold out
5famous investors
$13.49avg. 13F price*

At the end of Q4 2025, 192 institutions reported holding Energy Recovery Inc. (ERII) in their 13F filings, unchanged from Q3 2025. 22 opened new positions and 23 sold out. The largest holders were BlackRock, Inc. ($85.5M), Ameriprise Financial Inc. ($61.6M) and Vanguard Group Inc. ($52.0M). 5 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).

Company
Energy Recovery Inc.
CUSIP
29270J100
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150200250 Q1 2024: 192Q1 2024Q2 2024: 174Q2 2024Q3 2024: 171Q3 2024Q4 2024: 188Q4 2024Q1 2025: 203Q1 2025Q2 2025: 184Q2 2025Q3 2025: 192Q3 2025Q4 2025: 192Q4 2025Q1 2026: 197Q1 2026Q2 2026: 199Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions22$19.7M
Exits23$19.1M

All 13F filers, Q3 2025 → Q4 2025: 5,867,524 shares bought and 5,943,878 shares sold, net −76,354 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 192 holders

BlackRock, Inc. 0.00% Add +9.7% 6,337,391 $85.5M
Ameriprise Financial Inc. 0.01% Reduce -8.1% 4,563,348 $61.6M
Vanguard Group Inc. 0.00% Add +2.4% 3,852,438 $52.0M
Amundi 0.01% Add +323.6% 2,851,691 $38.5M
FIL Ltd 0.02% Reduce -2.3% 1,993,506 $26.9M
State Street Corp. 0.00% Add +22.6% 1,764,522 $23.8M
Legal & General Group Plc 0.00% Add +2.8% 1,343,847 $18.1M
Geode Capital Management, LLC 0.00% Reduce -2.4% 1,260,894 $17.0M
Morgan Stanley 0.00% Add +4.6% 973,294 $13.1M
Avenir Corp. 1.42% Reduce -5.5% 969,580 $13.1M
Dimensional Fund Advisors LP 0.00% Add +2.6% 949,489 $12.8M
Diamond Hill Capital Management, LLC (Investment Advisor) 0.06% Reduce -0.7% 888,358 $12.0M
Select Equity Group, L.P. 0.05% Add +3.0% 773,577 $10.4M
Brown Capital Management LLC 0.85% Reduce -52.3% 764,793 $10.3M
Invesco Ltd. 0.00% Add +15.8% 746,036 $10.1M
ACK Asset Management LLC 1.15% New 677,251 $9.1M
Goldman Sachs Group Inc. 0.00% Add +9.5% 607,176 $8.2M
Charles Schwab Investment Management Inc. 0.00% Reduce -1.0% 444,590 $6.0M
Northern Trust Corp. 0.00% Reduce -10.1% 438,397 $5.9M
Swiss Life Asset Management Ltd 0.03% No change 434,131 $5.9M
Jacobs Levy Equity Management, Inc. 0.02% Add +20.1% 426,733 $5.8M
Citadel Advisors 0.00% Add +26.1% 418,587 $5.6M
KLP Kapitalforvaltning As 0.02% Add +6.7% 387,711 $5.2M
Qube Research & Technologies Ltd 0.01% Reduce -22.7% 385,687 $5.2M
Pinnacle Associates Ltd. 0.07% Reduce -4.8% 380,230 $5.1M
ArrowMark Colorado Holdings LLC 0.11% New 377,000 $5.1M
Arrowstreet Capital, Limited Partnership 0.00% Add +55.5% 348,187 $4.7M
Kopion Asset Management, LLC 3.23% Add +5.1% 334,469 $4.5M
Royce & Associates LP 0.05% Add +4.6% 332,247 $4.5M
Duff & Phelps Investment Management Co. 0.05% Reduce -2.1% 301,487 $4.1M
Wellington Management Group LLP 0.00% Reduce -0.6% 300,618 $4.1M
Raiffeisen Bank International AG 0.05% Add +3.5% 300,000 $4.0M
Alpha Wave Global, LP 0.44% Reduce -49.8% 265,121 $3.6M
FMR LLC 0.00% Add +20.6% 250,242 $3.4M
Redmond Asset Management, LLC 0.78% Reduce -1.6% 226,335 $3.1M
Assenagon Asset Management S.A. 0.00% Add +3.6% 220,116 $3.0M
Millennium Management 0.00% Add +51.9% 194,532 $2.6M
Deutsche Bank AG 0.00% Reduce -25.2% 171,306 $2.3M
Nuveen, LLC 0.00% Reduce -4.2% 164,658 $2.2M
SG Americas Securities, LLC 0.00% Add +0.2% 162,116 $2.2M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Reduce -5.3% 159,654 $2.2M
Bank of New York Mellon Corp 0.00% Reduce -2.5% 154,768 $2.1M
Essex Investment Management Co. LLC 0.28% Reduce -2.0% 135,100 $1.8M
Conestoga Capital Advisors, LLC 0.03% Add +2.6% 133,725 $1.8M
Montanaro Asset Management Ltd 0.48% Reduce -37.6% 128,160 $1.7M
Jupiter Asset Management Ltd. 0.01% Reduce -24.8% 122,129 $1.6M
Rice Hall James & Associates, LLC 0.09% Reduce -18.3% 121,998 $1.6M
Candriam S.C.A. 0.01% Reduce -26.6% 119,714 $1.6M
BNP Paribas Financial Markets 0.00% Reduce -50.7% 116,077 $1.6M
Y-Intercept (Hong Kong) Ltd 0.03% Add +217.8% 113,863 $1.5M
State of Wisconsin Investment Board 0.00% Reduce -16.6% 113,666 $1.5M
Nordea Investment Management AB 0.00% Reduce -15.1% 113,694 $1.5M
Jane Street Group, LLC 0.00% Reduce -27.5% 111,673 $1.5M
Isthmus Partners, LLC 0.17% New 111,054 $1.5M
Marshall Wace, LLP 0.00% Reduce -54.3% 109,390 $1.5M
Gsa Capital Partners LLP 0.13% Add +167.4% 109,307 $1.5M
Swiss National Bank 0.00% No change 105,000 $1.4M
Renaissance Technologies 0.00% Add +85.2% 102,985 $1.4M
UBS Group AG 0.00% Reduce -58.6% 101,810 $1.4M
Raymond James Financial Inc. 0.00% Reduce -65.7% 101,629 $1.4M
Barclays PLC 0.00% Add +6.9% 97,060 $1.3M
KBC Group NV 0.00% Reduce -93.1% 84,488 $1.1M
Campbell & CO Investment Adviser LLC 0.05% Add +67.4% 81,604 $1.1M
Gabelli Funds LLC 0.01% No change 74,000 $998K
Rhumbline Advisers 0.00% Reduce -7.5% 72,123 $973K
Wells Fargo & Company 0.00% Add +38.8% 68,500 $924K
HSBC Holdings PLC 0.00% Add +106.5% 65,056 $874K
D. E. Shaw & Co. 0.00% Reduce -81.8% 63,095 $851K
Principal Financial Group Inc. 0.00% Add +43.7% 63,038 $850K
Cary Street Partners Financial LLC 0.02% Add +3.8% 54,749 $739K
Alliancebernstein L.P. 0.00% No change 54,250 $732K
T. Rowe Price Associates Inc. 0.00% Add +12.1% 53,701 $725K
Bank of America Corp. 0.00% Reduce -29.5% 53,340 $720K
American Century Companies Inc. 0.00% Reduce -18.3% 51,288 $692K
Old West Investment Management, LLC 0.12% Add +14.6% 49,944 $674K
California State Teachers Retirement System 0.00% Reduce -7.7% 49,008 $661K
Quantinno Capital Management LP 0.00% New 46,642 $629K
Shelton Capital Management 0.01% No change 46,385 $626K
Universal- Beteiligungs- und Servicegesellschaft mbH 0.00% No change 45,687 $616K
Lazard Asset Management LLC 0.00% Reduce -70.1% 43,591 $588K
Pathstone Holdings, LLC 0.00% Add +279.5% 41,191 $556K
Mission Wealth Management, LP 0.01% Reduce -8.3% 40,787 $550K
Acadian Asset Management LLC 0.00% Add +1142.8% 40,787 $548K
Verition Fund Management LLC 0.00% Reduce -1.8% 39,786 $537K
Voya Investment Management LLC 0.00% Add +294.3% 39,767 $536K
Teacher Retirement System of Texas 0.00% Reduce -13.8% 39,182 $529K
Mercer Global Advisors Inc. 0.00% Add +52.8% 38,950 $525K
Engineers Gate Manager LP 0.01% Reduce -50.8% 38,412 $518K
DNB Asset Management AS 0.00% No change 38,196 $515K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +1.4% 37,778 $510K
Franklin Resources Inc. 0.00% Add +0.1% 37,317 $503K
HighTower Advisors, LLC 0.00% Reduce -0.0% 37,142 $501K
Russell Investments Group, Ltd. 0.00% Add +6.0% 36,225 $489K
Skandinaviska Enskilda Banken AB (publ) 0.00% Reduce -3.5% 35,385 $477K
Inspire Investing, LLC 0.04% Add +17.6% 35,339 $477K
Connor, Clark & Lunn Investment Management Ltd. 0.00% New 34,405 $464K
Aviva PLC 0.00% Add +4.9% 33,974 $458K
Bank of Montreal 0.00% Reduce -8.7% 33,585 $453K
Intech Investment Management LLC 0.00% No change 31,722 $428K
Sargent Investment Group, LLC 0.05% Reduce -29.0% 30,990 $418K
Great Lakes Advisors, LLC 0.00% Add +106.8% 29,704 $401K
EntryPoint Capital, LLC 0.15% New 29,024 $392K
XTX Topco Ltd 0.01% New 28,889 $390K
Horizon Kinetics Asset Management LLC 0.01% No change 28,440 $384K
JPMorgan Chase & Co. 0.00% Reduce -76.3% 28,340 $382K
Teton Advisors, LLC 0.26% No change 28,000 $378K
Van Eck Associates Corp. 0.00% Reduce -77.9% 27,295 $368K
CoreCommodity Management, LLC 0.07% New 25,151 $339K
Miller Global Investments, LLC 0.30% — 24,885 $336K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Reduce -0.2% 24,758 $334K
MetLife Investment Management, LLC 0.00% Reduce -18.5% 24,668 $333K
Citigroup Inc. 0.00% Add +323.2% 24,254 $327K
Janus Henderson Group PLC 0.00% No change 24,175 $326K
AlphaQuest LLC 0.02% Add +27.2% 24,128 $325K
Inceptionr LLC 0.09% Add +29.8% 23,549 $318K
Quantbot Technologies LP 0.01% New 20,658 $279K
D.A. Davidson & Co. 0.00% Reduce -2.1% 19,213 $259K
Caxton Associates LLP 0.01% New 18,752 $253K
State Board of Administration of Florida Retirement System 0.00% Add +14.3% 18,191 $245K
Premier Fund Managers Ltd 0.01% New 18,030 $243K
State of Wyoming 0.03% Reduce -16.9% 17,926 $242K
Evergreen Capital Management LLC 0.01% New 17,449 $235K
New York State Common Retirement Fund 0.00% No change 16,771 $226K
AQR Capital Management 0.00% Reduce -37.1% 16,177 $218K
Manufacturers Life Insurance Company, The 0.00% Reduce -12.8% 15,753 $213K
Susquehanna International Group, LLP 0.00% Reduce -8.9% 15,591 $210K
Beverly Hills Private Wealth, LLC 0.04% No change 15,100 $204K
Arizona State Retirement System 0.00% Reduce -8.0% 14,820 $200K
MQS Management LLC 0.12% Reduce -3.1% 14,654 $198K
Two Sigma Securities, LLC 0.03% New 14,491 $195K
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main 0.00% No change 14,340 $193K
Clear Creek Financial Management, LLC 0.02% No change 13,950 $188K
Aristides Capital LLC 0.06% New 13,516 $182K
Wealth Enhancement Advisory Services, LLC 0.00% Reduce -9.8% 12,610 $182K
Police & Firemen's Retirement System of New Jersey 0.00% Reduce -13.4% 13,301 $179K
PDT Partners, LLC 0.01% No change 12,400 $167K
Groupe la Francaise 0.00% No change 12,000 $162K
S&co Inc. 0.01% No change 12,000 $161K
State of Alaska, Department of Revenue 0.00% Add +252.8% 10,642 $142K
Envestnet Asset Management Inc. 0.00% Reduce -12.5% 10,439 $141K
Legacy Capital Group California, Inc. 0.03% New 10,413 $140K
Bessemer Group Inc. 0.00% Add +12476.8% 10,313 $139K
Ballentine Partners, LLC 0.00% New 10,215 $138K
Exchange Traded Concepts, LLC 0.00% Reduce -17.1% 6,863 $93K
Smithfield Trust Co 0.00% No change 6,700 $90K
Royal Bank of Canada 0.00% Reduce -57.8% 5,781 $79K
Avanza Fonder AB 0.00% Reduce -23.6% 5,557 $75K
CANADA LIFE ASSURANCE Co 0.00% Reduce -86.5% 5,073 $68K
Caldwell Sutter Capital, Inc. 0.03% No change 5,000 $67K
Ameritas Investment Partners, Inc. 0.00% No change 4,452 $60K
Comerica Bank 0.00% Add +150.5% 3,868 $52K
Trust Co. of Toledo NA 0.00% Reduce -2.7% 2,800 $38K
Parallel Advisors, LLC 0.00% New 2,796 $38K
Founders Capital Management 0.02% No change 2,300 $31K
Wexford Capital LP 0.01% Add +11.6% 1,932 $26K
Hantz Financial Services, Inc. 0.00% No change 1,931 $26K
Amalgamated Bank 0.00% Reduce -16.3% 1,627 $22K
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% Reduce -89.1% 1,634 $22K
Basecamp Wealth Advisors LLC 0.00% — 1,580 $21K
Tower Research Capital LLC (TRC) 0.00% Reduce -49.4% 1,534 $21K
National Bank of Canada 0.00% Reduce -14.0% 1,404 $19K
Rockefeller Capital Management L.P. 0.00% Reduce -17.6% 1,341 $18K
Costello Asset Management, INC 0.01% No change 1,300 $18K
US Bancorp \de 0.00% Reduce -22.2% 1,070 $14K
AdvisorNet Financial, Inc 0.00% Add +7.9% 900 $12K
Nisa Investment Advisors, LLC 0.00% Add +7.4% 712 $10K
PNC Financial Services Group, Inc. 0.00% Reduce -1.8% 601 $8K
Cwm, LLC 0.00% Reduce -32.8% 564 $8K
Aquatic Capital Management LLC 0.00% Add +91.8% 516 $7K
Concord Wealth Partners 0.00% Add +66.7% 500 $7K
Leonteq Securities AG 0.00% Add +19.3% 464 $6K
SouthState Bank Corp 0.00% New 407 $5K
Los Angeles Capital Management LLC 0.00% New 281 $5K
Sterling Capital Management LLC 0.00% Add +174.4% 354 $5K
Osaic Holdings, Inc. 0.00% Reduce -67.8% 353 $5K
Simplex Trading, LLC 0.00% New 301 $4K
NFSG Corp 0.00% Reduce -40.0% 300 $4K
Quarry LP 0.00% New 297 $4K
SBI Securities Co., Ltd. 0.00% Add +260.0% 108 $1K
Whittier Trust Co. 0.00% No change 100 $1K
Bartlett & Co. Wealth Management LLC 0.00% New 104 $1K
Rothschild Investment LLC 0.00% Reduce -12.2% 101 $1K
CIBC Private Wealth Group LLC 0.00% No change 63 $850
Arax Advisory Partners 0.00% Reduce -95.1% 60 $809
EverSource Wealth Advisors, LLC 0.00% No change 41 $553
GAMMA Investing LLC 0.00% Add +56.0% 39 $526
Strive Financial Group ,LLC 0.00% — 35 $472
Farther Finance Advisors, LLC 0.00% Reduce -22.9% 27 $364
IFP Advisors, Inc 0.00% Reduce -62.5% 6 $81
Essential Partners LLC 0.00% Reduce -64.7% 6 $81
Larson Financial Group LLC 0.00% No change 3 $40
Covestor Ltd 0.00% Reduce -61.5% 32 $0

"% of holder's portfolio" is ERII's weight in each manager's 13F, not the share of Energy Recovery Inc. the manager owns.