Energy RecoveryERII
13F holders, Q1 2026 (March 31)197holders +5
37new positions
34sold out
5famous investors
$10.07avg. 13F price*
At the end of Q1 2026, 197 institutions reported holding Energy Recovery Inc. (ERII) in their 13F filings, up 5 from Q4 2025. 37 opened new positions and 34 sold out. The largest holders were BlackRock, Inc. ($61.3M), Ameriprise Financial Inc. ($53.0M) and Amundi ($37.6M). 5 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Energy Recovery Inc.
- CUSIP
- 29270J100
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 37 | $16.3M |
| Exits | 34 | $39.1M |
All 13F filers, Q4 2025 → Q1 2026: 5,848,433 shares bought and 5,388,657 shares sold, net +459,776 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 197 holders
| BlackRock, Inc. | 0.00% | Reduce -3.9% | 6,090,926 | $61.3M |
| Ameriprise Financial Inc. | 0.01% | Add +15.3% | 5,259,816 | $53.0M |
| Amundi | 0.01% | Add +31.2% | 3,740,309 | $37.6M |
| Vanguard Capital Management LLC | 0.00% | — | 2,230,270 | $22.5M |
| FIL Ltd | 0.02% | Reduce -0.3% | 1,987,919 | $20.0M |
| Legal & General Group Plc | 0.00% | Add +41.6% | 1,902,525 | $19.2M |
| State Street Corp. | 0.00% | Add +0.5% | 1,772,948 | $17.9M |
| Geode Capital Management, LLC | 0.00% | Add +2.7% | 1,295,108 | $13.0M |
| Vanguard Portfolio Management LLC | 0.00% | — | 1,261,661 | $12.7M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -7.6% | 877,431 | $8.8M |
| Invesco Ltd. | 0.00% | Add +10.8% | 826,296 | $8.3M |
| Avenir Corp. | 1.00% | Reduce -15.7% | 817,755 | $8.2M |
| Morgan Stanley | 0.00% | Reduce -18.6% | 792,691 | $8.0M |
| Diamond Hill Capital Management, LLC (Investment Advisor) | 0.04% | Reduce -24.2% | 673,035 | $6.8M |
| 683 Capital Management, LLC | 0.54% | New | 550,000 | $5.5M |
| Brown Capital Management LLC | 0.77% | Reduce -29.6% | 538,063 | $5.4M |
| ArrowMark Colorado Holdings LLC | 0.14% | Add +36.9% | 516,000 | $5.2M |
| Arrowstreet Capital, Limited Partnership | 0.00% | Add +47.6% | 514,102 | $5.2M |
| Kopion Asset Management, LLC | 3.97% | Add +51.6% | 506,965 | $5.1M |
| Royce & Associates LP | 0.05% | Add +45.4% | 483,018 | $4.9M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -22.8% | 468,535 | $4.7M |
| Swiss Life Asset Management Ltd | 0.02% | Add +5.5% | 457,783 | $4.6M |
| Northern Trust Corp. | 0.00% | Add +2.8% | 450,437 | $4.5M |
| Citadel Advisors | 0.00% | Add +7.4% | 449,436 | $4.5M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -3.0% | 431,288 | $4.3M |
| KLP Kapitalforvaltning As | 0.02% | Add +4.3% | 404,511 | $4.1M |
| Select Equity Group, L.P. | 0.02% | Reduce -49.0% | 394,208 | $4.0M |
| SG Americas Securities, LLC | 0.00% | Add +124.7% | 364,337 | $3.7M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 364,261 | $3.7M |
| Pinnacle Associates Ltd. | 0.04% | Reduce -9.9% | 342,407 | $3.4M |
| Raiffeisen Bank International AG | 0.05% | Add +16.7% | 350,000 | $3.4M |
| Jacobs Levy Equity Management, Inc. | 0.01% | Reduce -23.9% | 324,785 | $3.3M |
| Millennium Management | 0.00% | Add +65.7% | 322,341 | $3.2M |
| Gsa Capital Partners LLP | 0.20% | Add +186.9% | 313,647 | $3.2M |
| CenterBook Partners LP | 0.15% | New | 271,836 | $2.7M |
| BNP Paribas Financial Markets | 0.00% | Add +133.4% | 270,951 | $2.7M |
| FMR LLC | 0.00% | Add +0.1% | 250,580 | $2.5M |
| Redmond Asset Management, LLC | 0.59% | Reduce -5.3% | 214,380 | $2.2M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +3.8% | 165,708 | $1.7M |
| Nuveen, LLC | 0.00% | Reduce -0.1% | 164,488 | $1.7M |
| Isthmus Partners, LLC | 0.16% | Add +38.0% | 153,262 | $1.5M |
| Bank of New York Mellon Corp | 0.00% | Reduce -3.9% | 148,769 | $1.5M |
| Renaissance Technologies | 0.00% | Add +40.1% | 144,265 | $1.5M |
| Deutsche Bank AG | 0.00% | Reduce -18.5% | 139,605 | $1.4M |
| Trexquant Investment LP | 0.01% | New | 135,968 | $1.4M |
| Jane Street Group, LLC | 0.00% | Add +21.3% | 135,473 | $1.4M |
| Conestoga Capital Advisors, LLC | 0.03% | No change | 133,725 | $1.3M |
| Essex Investment Management Co. LLC | 0.21% | Reduce -2.1% | 132,322 | $1.3M |
| UBS Group AG | 0.00% | Add +23.7% | 125,943 | $1.3M |
| Jupiter Asset Management Ltd. | 0.01% | No change | 122,129 | $1.2M |
| Rice Hall James & Associates, LLC | 0.07% | Reduce -1.2% | 120,522 | $1.2M |
| HSBC Holdings PLC | 0.00% | Add +70.3% | 110,812 | $1.1M |
| Marshall Wace, LLP | 0.00% | Reduce -2.8% | 106,297 | $1.1M |
| Swiss National Bank | 0.00% | No change | 105,000 | $1.1M |
| Nordea Investment Management AB | 0.00% | Reduce -7.2% | 105,558 | $1.0M |
| Two Sigma Investments, LP | 0.00% | New | 88,899 | $895K |
| Cary Street Partners Financial LLC | 0.02% | Add +41.8% | 77,614 | $782K |
| HRT Financial LP | 0.00% | New | 76,500 | $770K |
| Gabelli Funds LLC | 0.01% | No change | 74,000 | $745K |
| Susquehanna International Group, LLP | 0.00% | Add +366.6% | 72,743 | $733K |
| Principal Financial Group Inc. | 0.00% | Add +8.9% | 68,682 | $692K |
| Lazard Asset Management LLC | 0.00% | Add +54.7% | 67,429 | $679K |
| T. Rowe Price Associates Inc. | 0.00% | Add +23.4% | 66,259 | $668K |
| Rhumbline Advisers | 0.00% | Reduce -9.6% | 65,217 | $657K |
| Bank of America Corp. | 0.00% | Add +10.2% | 58,768 | $592K |
| AQR Capital Management | 0.00% | Add +260.6% | 58,330 | $587K |
| KBC Group NV | 0.00% | Reduce -33.0% | 56,597 | $570K |
| XTX Topco Ltd | 0.01% | Add +95.5% | 56,479 | $569K |
| Credit Agricole S A | 0.00% | New | 55,000 | $554K |
| Victory Capital Management Inc. | 0.00% | New | 53,213 | $536K |
| State of Wisconsin Investment Board | 0.00% | Reduce -53.3% | 53,126 | $535K |
| Inspire Investing, LLC | 0.03% | Add +47.2% | 52,030 | $524K |
| Sei Investments Co. | 0.00% | New | 51,837 | $522K |
| Connective Capital Management, LLC | 0.41% | New | 49,026 | $494K |
| California State Teachers Retirement System | 0.00% | Reduce -0.8% | 48,624 | $490K |
| Voya Investment Management LLC | 0.00% | Add +17.8% | 46,837 | $472K |
| Old West Investment Management, LLC | 0.05% | Reduce -6.5% | 46,676 | $470K |
| Shelton Capital Management | 0.01% | No change | 46,385 | $467K |
| HighTower Advisors, LLC | 0.00% | Add +23.8% | 45,987 | $463K |
| Squarepoint Ops LLC | 0.00% | New | 41,878 | $422K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +8.5% | 40,982 | $413K |
| Mission Wealth Management, LP | 0.01% | No change | 40,787 | $411K |
| Pathstone Holdings, LLC | 0.00% | Reduce -1.4% | 40,619 | $409K |
| Aviva PLC | 0.00% | Add +14.0% | 38,719 | $390K |
| DNB Asset Management AS | 0.00% | Reduce -2.1% | 37,395 | $377K |
| Mercer Global Advisors Inc. | 0.00% | Reduce -6.7% | 36,333 | $366K |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | — | 36,225 | $365K |
| Russell Investments Group, Ltd. | 0.00% | Reduce -2.5% | 35,311 | $356K |
| Dynamic Technology Lab Private Ltd | 0.06% | New | 34,486 | $347K |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | Reduce -24.6% | 34,437 | $347K |
| Quadrature Capital Ltd | 0.00% | New | 33,559 | $338K |
| Virtu Financial LLC | 0.01% | New | 33,262 | $335K |
| Great Lakes Advisors, LLC | 0.00% | Add +9.1% | 32,395 | $326K |
| Alliancebernstein L.P. | 0.00% | Reduce -55.9% | 23,950 | $323K |
| Numerai GP LLC | 0.03% | New | 30,609 | $308K |
| Skandinaviska Enskilda Banken AB (publ) | 0.01% | Reduce -16.7% | 29,488 | $292K |
| Horizon Kinetics Asset Management LLC | 0.00% | Add +1.7% | 28,928 | $291K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +16.6% | 28,871 | $291K |
| EntryPoint Capital, LLC | 0.08% | Reduce -2.3% | 28,372 | $286K |
| Sargent Investment Group, LLC | 0.04% | Reduce -10.0% | 27,900 | $281K |
| Barclays PLC | 0.00% | Reduce -71.3% | 27,824 | $280K |
| JPMorgan Chase & Co. | 0.00% | Add +0.7% | 28,551 | $280K |
| Wells Fargo & Company | 0.00% | Reduce -59.6% | 27,665 | $279K |
| MetLife Investment Management, LLC | 0.00% | Add +11.1% | 27,415 | $276K |
| Teton Advisors, LLC | 0.19% | Reduce -3.6% | 27,000 | $272K |
| Caxton Associates LLP | 0.01% | Add +37.2% | 25,731 | $259K |
| Miller Global Investments, LLC | 0.23% | No change | 24,885 | $251K |
| Janus Henderson Group PLC | 0.00% | No change | 24,175 | $243K |
| Aquatic Capital Management LLC | 0.01% | Add +4570.5% | 24,100 | $243K |
| CoreCommodity Management, LLC | 0.04% | Reduce -11.2% | 22,332 | $225K |
| Vanguard Global Advisers, LLC | 0.00% | — | 21,183 | $213K |
| Clear Creek Financial Management, LLC | 0.02% | Add +49.5% | 20,850 | $210K |
| Fox Run Management, L.L.C. | 0.04% | New | 21,067 | $207K |
| Linden Thomas Advisory Services, LLC | 0.02% | New | 20,273 | $204K |
| Franklin Resources Inc. | 0.00% | Reduce -46.9% | 19,814 | $200K |
| D.A. Davidson & Co. | 0.00% | Reduce -8.0% | 17,685 | $178K |
| New York State Common Retirement Fund | 0.00% | Add +1.1% | 16,964 | $171K |
| VARCOV Co. | 0.06% | New | 16,280 | $164K |
| State Board of Administration of Florida Retirement System | 0.00% | Reduce -12.5% | 15,917 | $160K |
| Beverly Hills Private Wealth, LLC | 0.03% | No change | 15,100 | $152K |
| Campbell & CO Investment Adviser LLC | 0.01% | Reduce -82.1% | 14,640 | $147K |
| Aristides Capital LLC | 0.05% | Add +7.8% | 14,576 | $147K |
| Arizona State Retirement System | 0.00% | Reduce -1.8% | 14,551 | $147K |
| Mirabella Financial Services LLP | 0.01% | New | 14,362 | $145K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -10.3% | 14,132 | $142K |
| State of Wyoming | 0.02% | Reduce -21.9% | 14,004 | $141K |
| Two Sigma Securities, LLC | 0.02% | Reduce -3.5% | 13,985 | $141K |
| Raymond James Financial Inc. | 0.00% | Reduce -86.3% | 13,960 | $141K |
| D. E. Shaw & Co. | 0.00% | Reduce -78.0% | 13,900 | $140K |
| Axq Capital, LP | 0.02% | New | 13,874 | $140K |
| Intech Investment Management LLC | 0.00% | Reduce -57.3% | 13,554 | $136K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 13,301 | $134K |
| Envestnet Asset Management Inc. | 0.00% | Add +26.3% | 13,185 | $133K |
| Citigroup Inc. | 0.00% | Reduce -46.1% | 13,081 | $132K |
| S&co Inc. | 0.01% | Add +8.3% | 13,000 | $130K |
| Osaic Holdings, Inc. | 0.00% | Add +3533.1% | 12,825 | $129K |
| IMC-Chicago, LLC | 0.00% | New | 12,533 | $126K |
| Quantinno Capital Management LP | 0.00% | Reduce -73.6% | 12,331 | $124K |
| Acadian Asset Management LLC | 0.00% | Reduce -69.6% | 12,390 | $124K |
| Vanguard Investments Australia, Ltd. | 0.00% | — | 11,509 | $116K |
| Balyasny Asset Management L.P. | 0.00% | New | 10,712 | $108K |
| State of Alaska, Department of Revenue | 0.00% | No change | 10,642 | $106K |
| American Century Companies Inc. | 0.00% | Reduce -80.1% | 10,225 | $103K |
| Simplex Trading, LLC | 0.00% | Add +3248.8% | 10,080 | $102K |
| Cwm, LLC | 0.00% | Add +1062.2% | 6,555 | $66K |
| Avanza Fonder AB | 0.00% | No change | 5,557 | $56K |
| CANADA LIFE ASSURANCE Co | 0.00% | Add +2.4% | 5,197 | $52K |
| Caldwell Sutter Capital, Inc. | 0.02% | No change | 5,000 | $50K |
| Exchange Traded Concepts, LLC | 0.00% | Reduce -34.9% | 4,467 | $45K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 4,452 | $45K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +189.0% | 4,433 | $45K |
| Premier Fund Managers Ltd | 0.00% | Reduce -76.1% | 4,314 | $42K |
| Group One Trading LLC | 0.00% | New | 4,031 | $41K |
| Founders Capital Management | 0.01% | Add +21.7% | 2,800 | $28K |
| Trust Co. of Toledo NA | 0.00% | No change | 2,800 | $28K |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.00% | Add +51.0% | 2,467 | $25K |
| National Bank of Canada | 0.00% | Add +16.8% | 1,640 | $16K |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 1,531 | $15K |
| Basecamp Wealth Advisors LLC | 0.00% | Reduce -3.4% | 1,527 | $15K |
| Fifth Third Bancorp | 0.00% | New | 1,442 | $15K |
| Costello Asset Management, INC | 0.00% | No change | 1,300 | $13K |
| Royal Bank of Canada | 0.00% | Reduce -78.2% | 1,260 | $12K |
| US Bancorp \de | 0.00% | Reduce -1.0% | 1,059 | $11K |
| Rockefeller Capital Management L.P. | 0.00% | Reduce -25.0% | 1,006 | $10K |
| AdvisorNet Financial, Inc | 0.00% | No change | 900 | $9K |
| PNC Financial Services Group, Inc. | 0.00% | Add +8.0% | 649 | $7K |
| Nisa Investment Advisors, LLC | 0.00% | Reduce -15.4% | 602 | $6K |
| Leonteq Securities AG | 0.00% | Add +10.8% | 514 | $5K |
| SouthState Bank Corp | 0.00% | No change | 407 | $4K |
| Sterling Capital Management LLC | 0.00% | Reduce -5.1% | 336 | $3K |
| NFSG Corp | 0.00% | No change | 300 | $3K |
| SBI Securities Co., Ltd. | 0.00% | Add +161.1% | 282 | $3K |
| Los Angeles Capital Management LLC | 0.00% | No change | 281 | $3K |
| Allworth Financial LP | 0.00% | New | 247 | $2K |
| Quarry LP | 0.00% | Reduce -23.2% | 228 | $2K |
| Essential Partners LLC | 0.00% | Add +3666.7% | 226 | $2K |
| EverSource Wealth Advisors, LLC | 0.00% | Add +412.2% | 210 | $2K |
| Harbour Investments, Inc. | 0.00% | New | 200 | $2K |
| Versant Capital Management, Inc | 0.00% | New | 171 | $2K |
| Advisory Services Network, LLC | 0.00% | New | 150 | $2K |
| Bartlett & Co. Wealth Management LLC | 0.00% | No change | 104 | $1K |
| GAMMA Investing LLC | 0.00% | Add +176.9% | 108 | $1K |
| Whittier Trust Co. | 0.00% | No change | 100 | $1K |
| Northwestern Mutual Wealth Management Co. | 0.00% | New | 100 | $1K |
| Zions Bancorporation, National Association | 0.00% | New | 63 | $634 |
| True Wealth Design, LLC | 0.00% | New | 62 | $625 |
| Farther Finance Advisors, LLC | 0.00% | Add +103.7% | 55 | $562 |
| Parallel Advisors, LLC | 0.00% | Reduce -98.1% | 52 | $524 |
| Investors Portfolio Services LLC | 0.00% | New | 58 | $481 |
| Root Financial Partners, LLC | 0.00% | New | 33 | $332 |
| Stance Capital LLC | 0.00% | New | 23 | $232 |
| MassMutual Private Wealth & Trust, FSB | 0.00% | New | 23 | $232 |
| MAI Capital Management | 0.00% | New | 20 | $202 |
| Pinnacle Wealth Planning Services, Inc. | 0.00% | New | 16 | $161 |
| IFP Advisors, Inc | 0.00% | No change | 6 | $60 |
| Rothschild Investment LLC | 0.00% | Reduce -95.0% | 5 | $50 |
| Covestor Ltd | 0.00% | Add +6.3% | 34 | $0 |
"% of holder's portfolio" is ERII's weight in each manager's 13F, not the share of Energy Recovery Inc. the manager owns.