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ERII

Energy Recovery, Inc.
$8.84 -0.06 (-0.67%) At close · Jul 2
Market Cap
$455.66M
Shares
51,545,259

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

The Jun 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out.
Holders: 195
Total Value: $434,350,677
Total Shares: 43,135,809
Showing 1–100 of 199 holdings by value · page 1 of 2

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 196 13F filers
Top Holder
14.1%
Jun 2023 → Mar 2026 · range 10.3% – 14.4%
of institutional value
Top 5
44.8%
Jun 2023 → Mar 2026 · range 31.8% – 44.8%
of institutional value
Top 10
60.2%
Jun 2023 → Mar 2026 · range 49.1% – 60.2%
of institutional value
HHI
558
Jun 2023 → Mar 2026 · range 344 – 558
Broadly held
Showing 100 of 199
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $61,335,617 14.12% 6,090,926
Mega AMERIPRISE FINANCIAL INC $52,966,346 12.19% 5,259,816
Mega Amundi $37,664,910 8.67% 3,740,309
Mega VANGUARD CAPITAL MANAGEMENT LLC $22,458,818 5.17% 2,230,270
Mega FIL Ltd $20,018,344 4.61% 1,987,919
Mega Legal & General Group Plc $19,158,426 4.41% 1,902,525
Mega STATE STREET CORP $17,853,586 4.11% 1,772,948
Mega GEODE CAPITAL MANAGEMENT, LLC $13,041,736 3.00% 1,295,108
Mega DIMENSIONAL FUND ADVISORS LP $8,835,729 2.03% 877,431
Mega Invesco Ltd. $8,320,797 1.92% 826,296
Small AVENIR CORP $8,234,792 1.90% 817,755
Mega MORGAN STANLEY $7,982,395 1.84% 792,691
Large DIAMOND HILL CAPITAL MANAGEMENT INC $6,777,462 1.56% 673,035
Mid 683 Capital Management, LLC $5,538,500 1.28% 550,000
Small BROWN CAPITAL MANAGEMENT LLC $5,418,294 1.25% 538,063
Mid ArrowMark Colorado Holdings LLC $5,196,120 1.20% 516,000
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $5,177,007 1.19% 514,102
Small Kopion Asset Management, LLC $5,105,137 1.18% 506,965
Mid ROYCE & ASSOCIATES LP $4,863,991 1.12% 483,018
Mega GOLDMAN SACHS GROUP INC $4,718,146 1.09% 468,535
Large Swiss Life Asset Management Ltd $4,609,874 1.06% 457,783
Mega NORTHERN TRUST CORP Bank $4,535,898 1.04% 450,437
Mega CITADEL ADVISORS LLC $4,525,820 1.04% 449,436
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $4,343,070 1.00% 431,288
Large KLP KAPITALFORVALTNING AS $4,073,425 0.94% 404,511
Large Select Equity Group, L.P. $3,969,674 0.91% 394,208
Large SG Americas Securities, LLC Broker-Dealer $3,668,873 0.84% 364,337
Mega VANGUARD FIDUCIARY TRUST CO Bank $3,668,108 0.84% 364,261
Mid Raiffeisen Bank International AG Bank $3,524,500 0.81% 350,000
Mid PINNACLE ASSOCIATES LTD $3,448,038 0.79% 342,407
Large JACOBS LEVY EQUITY MANAGEMENT, INC $3,270,584 0.75% 324,785
Mega MILLENNIUM MANAGEMENT LLC $3,245,973 0.75% 322,341
Mid GSA CAPITAL PARTNERS LLP $3,158,425 0.73% 313,647
Mid CenterBook Partners LP $2,737,388 0.63% 271,836
Mega BNP PARIBAS ARBITRAGE, SA $2,728,476 0.63% 270,951
Mega FMR LLC $2,523,340 0.58% 250,580
Small Redmond Asset Management, LLC $2,158,806 0.50% 214,380
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $1,668,675 0.38% 165,708
Mega Nuveen, LLC $1,656,394 0.38% 164,488
Small ISTHMUS PARTNERS, LLC $1,543,348 0.36% 153,262
Mega Bank of New York Mellon Corp Bank $1,498,103 0.34% 148,769
Large RENAISSANCE TECHNOLOGIES LLC $1,452,748 0.33% 144,265
Mega DEUTSCHE BANK AG\ Bank $1,405,820 0.32% 139,605
Large Trexquant Investment LP $1,369,197 0.32% 135,968
Mega JANE STREET GROUP, LLC $1,364,211 0.31% 135,473
Mid Conestoga Capital Advisors, LLC $1,346,610 0.31% 133,725
Small ESSEX INVESTMENT MANAGEMENT CO LLC $1,332,482 0.31% 132,322
Mega UBS Group AG $1,268,244 0.29% 125,943
Large JUPITER ASSET MANAGEMENT LTD $1,229,839 0.28% 122,129
Mid RICE HALL JAMES & ASSOCIATES, LLC $1,213,656 0.28% 120,522
Mega HSBC HOLDINGS PLC $1,115,876 0.26% 110,812
Large MARSHALL WACE, LLP $1,070,409 0.25% 106,297
Mega NORDEA INVESTMENT MANAGEMENT AB $1,062,968 0.24% 105,558
Mega Swiss National Bank Bank $1,057,350 0.24% 105,000
Mega TWO SIGMA INVESTMENTS, LP $895,212 0.21% 88,899
Mid CARY STREET PARTNERS FINANCIAL LLC $781,572 0.18% 77,614
Large HRT FINANCIAL LP $770,355 0.18% 76,500
Large GABELLI FUNDS LLC $745,180 0.17% 74,000
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $732,522 0.17% 72,743
Mega PRINCIPAL FINANCIAL GROUP INC $691,627 0.16% 68,682
Large LAZARD ASSET MANAGEMENT LLC $679,010 0.16% 67,429
Mega PRICE T ROWE ASSOCIATES INC /MD/ $667,228 0.15% 66,259
Mega RHUMBLINE ADVISERS $656,735 0.15% 65,217
Mega BANK OF AMERICA CORP /DE/ Bank $591,793 0.14% 58,768
Mega AQR CAPITAL MANAGEMENT LLC $587,380 0.14% 58,330
Large KBC Group NV $569,931 0.13% 56,597
Mid XTX Topco Ltd $568,743 0.13% 56,479
Large CREDIT AGRICOLE S A $553,850 0.13% 55,000
Mega VICTORY CAPITAL MANAGEMENT INC $535,854 0.12% 53,213
Large STATE OF WISCONSIN INVESTMENT BOARD $534,978 0.12% 53,126
Small Inspire Investing, LLC $523,942 0.12% 52,030
Large SEI INVESTMENTS CO $521,998 0.12% 51,837
Small Connective Capital Management, LLC $493,691 0.11% 49,026
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $489,643 0.11% 48,624
Large VOYA INVESTMENT MANAGEMENT LLC $471,648 0.11% 46,837
Small Old West Investment Management, LLC $470,027 0.11% 46,676
Mid SHELTON CAPITAL MANAGEMENT $467,096 0.11% 46,385
Large HighTower Advisors, LLC $463,089 0.11% 45,987
Large Squarepoint Ops LLC $421,711 0.10% 41,878
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund $412,688 0.10% 40,982
Mid MISSION WEALTH MANAGEMENT, LP $410,725 0.09% 40,787
Large Pathstone Holdings, LLC $409,033 0.09% 40,619
Large AVIVA PLC $389,900 0.09% 38,719
Large DNB Asset Management AS $376,567 0.09% 37,395
Large MERCER GLOBAL ADVISORS INC /ADV $365,873 0.08% 36,333
Mega VANGUARD ASSET MANAGEMENT, Ltd $364,785 0.08% 36,225
Large Russell Investments Group, Ltd. $355,579 0.08% 35,311
Small Dynamic Technology Lab Private Ltd $347,274 0.08% 34,486
Large Universal- Beteiligungs- und Servicegesellschaft mbH $346,780 0.08% 34,437
Mid Quadrature Capital Ltd $337,939 0.08% 33,559
Mega CITADEL ADVISORS LLC $335,331 0.08% 33,300
Mid Virtu Financial LLC $334,948 0.08% 33,262
Large GREAT LAKES ADVISORS, LLC $326,217 0.08% 32,395
Small Numerai GP LLC $308,232 0.07% 30,609
Mid Skandinaviska Enskilda Banken AB (publ) $296,944 0.07% 29,488
Mid HORIZON KINETICS ASSET MANAGEMENT LLC $291,304 0.07% 28,928
Large Zurcher Kantonalbank (Zurich Cantonalbank) Bank $290,730 0.07% 28,871
Mega JPMORGAN CHASE & CO $287,507 0.07% 28,551
Small EntryPoint Capital, LLC $285,706 0.07% 28,372
Small Sargent Investment Group, LLC $280,953 0.06% 27,900
Key facts CIK 1421517 CUSIP 29270J100 13F (30d) 4 filings 3 filers

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