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Energy Recovery, Inc.

ERII
Exchange
Nasdaq
Industry
Special Industry Machinery, NEC
SEC CIK
0001421517

In the last 90 days, Energy Recovery, Inc. insiders filed 0 open-market purchases and 2 sales; 199 institutions reported holding it in 13F filings for Q2 2026, worth $395.6M in total; no superinvestor holds it.

13F holders, Q1 2023

Institutional positions in Energy Recovery, Inc. as of Mar 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
175
+3 vs. Q4 2022
Shares held
44.2M
+244.4K (+0.6%) vs. Q4 2022
Total value
$1.02B
+$117.8M (+13.1%) vs. Q4 2022
New holders
25
65 more added
Sold out
22
48 more reduced

2 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ERII on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2023: 175 institutions
Q1 2021: 143 institutionsQ2 2021: 158 institutionsQ3 2021: 154 institutionsQ4 2021: 162 institutionsQ1 2022: 168 institutionsQ2 2022: 165 institutionsQ3 2022: 177 institutionsQ4 2022: 174 institutionsQ1 2023: 175 institutionsQ2 2023: 186 institutionsQ3 2023: 182 institutionsQ4 2023: 192 institutionsQ1 2024: 192 institutionsQ2 2024: 174 institutionsQ3 2024: 171 institutionsQ4 2024: 189 institutionsQ1 2025: 204 institutionsQ2 2025: 186 institutionsQ3 2025: 192 institutionsQ4 2025: 192 institutionsQ1 2026: 197 institutionsQ2 2026: 199 institutions
Value heldQ1 2023: $1.02B
Q1 2021: $487.9MQ2 2021: $661.5MQ3 2021: $582.9MQ4 2021: $745.9MQ1 2022: $754.7MQ2 2022: $801.2MQ3 2022: $930.6MQ4 2022: $903.1MQ1 2023: $1.02BQ2 2023: $1.25BQ3 2023: $976.5MQ4 2023: $900.4MQ1 2024: $738.1MQ2 2024: $636.2MQ3 2024: $841.4MQ4 2024: $661.9MQ1 2025: $712.7MQ2 2025: $580.1MQ3 2025: $677.5MQ4 2025: $590.9MQ1 2026: $446.1MQ2 2026: $395.6M
Institutions holding ERII and their total value by quarter
QuarterHoldersValue
Q2 2026199$395.6M
Q1 2026197$446.1M
Q4 2025192$590.9M
Q3 2025192$677.5M
Q2 2025186$580.1M
Q1 2025204$712.7M
Q4 2024189$661.9M
Q3 2024171$841.4M
Q2 2024174$636.2M
Q1 2024192$738.1M
Q4 2023192$900.4M
Q3 2023182$976.5M
Q2 2023186$1.25B
Q1 2023175$1.02B
Q4 2022174$903.1M
Q3 2022177$930.6M
Q2 2022165$801.2M
Q1 2022168$754.7M
Q4 2021162$745.9M
Q3 2021154$582.9M
Q2 2021158$661.5M
Q1 2021143$487.9M

Institutions, Q1 2023

Shares, value and share of portfolio for each institution holding Energy Recovery, Inc.; share changes are against Q4 2022.

Institutions holding ERII in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.5,192,408$119.7M0.00%+191,341+3.8%Added
Trigran Investments, Inc.3,519,830$81.1M7.83%+49,953+1.4%Added
Vanguard Group Inc2,797,094$64.5M0.00%+35,978+1.3%Added
William Blair Investment Management, LLC2,576,781$59.4M0.21%+37,840+1.5%Added
FIL Ltd2,018,437$46.5M0.05%+51,033+2.6%Added
Avenir Corp1,712,066$39.5M3.73%−11,320−0.7%Reduced
Diamond Hill Capital Management Inc1,573,948$36.3M0.17%−416,724−20.9%Reduced
Jennison Associates LLC1,340,469$30.9M0.03%+88,551+7.1%Added
State Street Corp1,304,693$30.1M0.00%+72,924+5.9%Added
Geode Capital Management, LLC1,065,523$24.6M0.00%+52,600+5.2%Added
KBC Group NV925,569$21.3M0.09%+25,823+2.9%Added
Montanaro Asset Management Ltd919,000$21.2M3.29%+40,000+4.6%Added
Invesco Ltd.878,997$20.3M0.01%−277,517−24.0%Reduced
ACK Asset Management LLC877,400$20.2M3.09%+150,000+20.6%Added
Bank of New York Mellon Corp872,210$20.1M0.00%−6,037−0.7%Reduced
Morgan Stanley781,885$18.0M0.00%−107,419−12.1%Reduced
First Trust Advisors LP780,493$18.0M0.02%+5,881+0.8%Added
Dimensional Fund Advisors LP685,567$15.8M0.01%+7,358+1.1%Added
FMR LLC652,498$15.0M0.00%+634,960+3,620.5%Added
Goldman Sachs Group Inc612,822$14.1M0.00%+54,546+9.8%Added
Pembroke Management, LTD567,526$13.1M1.43%−45,196−7.4%Reduced
Northern Trust Corp544,101$12.5M0.00%+5,731+1.1%Added
Mesirow Institutional Investment Management, Inc.516,820$11.9M1.29%+14,670+2.9%Added
Robeco Schweiz AG510,139$11.8M0.19%00.0%Unchanged
Kames Capital plc507,924$11.7M0.20%+156,195+44.4%Added
Essex Investment Management Co LLC453,984$10.5M1.52%−4,576−1.0%Reduced
Legal & General Group Plc444,437$10.2M0.00%+91,641+26.0%Added
Charles Schwab Investment Management Inc413,977$9.54M0.00%−1,316−0.3%Reduced
Jacobs Levy Equity Management, Inc386,204$8.90M0.05%+41,472+12.0%Added
Amundi369,610$8.66M0.00%+1,157+0.3%Added
DekaBank Deutsche Girozentrale363,468$7.95M0.02%−74,255−17.0%Reduced
Deutsche Bank AG317,102$7.31M0.00%+13,895+4.6%Added
Sargent Investment Group, LLC306,910$7.27M1.92%+149,505+95.0%Added
Miura Global Management, LLC300,000$6.92M4.02%+20,000+7.1%Added
Baird Financial Group, Inc.295,194$6.80M0.02%−10,766−3.5%Reduced
Driehaus Capital Management LLC282,789$6.52M0.09%−271,480−49.0%Reduced
Lagoda Investment Management, L.P.274,945$6.34M4.50%−14,575−5.0%Reduced
Shelton Capital Management270,600$6.24M0.26%+170,600+170.6%Added
Two Sigma Advisers, LP253,112$5.83M0.02%−27,000−9.6%Reduced
Raymond James & Associates252,073$5.81M0.01%−723−0.3%Reduced
Rice Hall James & Associates, LLC221,779$5.11M0.29%−3,992−1.8%Reduced
Silvercrest Asset Management Group LLC216,163$4.98M0.04%00.0%Unchanged
Credit Suisse AG208,008$4.79M0.00%+56,576+37.4%Added
Nuveen Asset Management, LLC201,963$4.66M0.00%−124,667−38.2%Reduced
Bank of America Corp175,998$4.06M0.00%+75,723+75.5%Added
Nordea Investment Management AB176,236$3.93M0.01%+176,236New
Scholtz & Company, LLC127,535$2.94M2.10%−2,010−1.6%Reduced
Marshall Wace, LLP121,934$2.81M0.01%+102,452+525.9%Added
Redmond Asset Management, LLC121,642$2.80M0.97%+11,320+10.3%Added
State of Wisconsin Investment Board121,016$2.79M0.01%−15,142−11.1%Reduced
Brown Capital Management LLC119,304$2.75M0.04%+119,304New
Nicholas Investment Partners, LP118,917$2.74M0.21%+1,424+1.2%Added
D. E. Shaw & Co., Inc.113,864$2.62M0.00%+33,778+42.2%Added
Swiss National Bank108,800$2.51M0.00%−11,700−9.7%Reduced
Vontobel Holding Ltd.107,760$2.48M0.02%−829−0.8%Reduced
Select Equity Group, L.P.105,877$2.44M0.01%+29,525+38.7%Added
Wellington Management Group LLP103,078$2.38M0.00%−184−0.2%Reduced
Van Eck Associates Corp98,732$2.28M0.01%−11,762−10.6%Reduced
Assenagon Asset Management S.A.91,176$2.10M0.01%+5,633+6.6%Added
Victory Capital Management Inc89,070$2.05M0.00%−16,942−16.0%Reduced
Alliancebernstein L.P.83,911$1.93M0.00%+952+1.1%Added
JPMorgan Chase & Co83,216$1.92M0.00%+10,211+14.0%Added
SG Americas Securities, LLC82,462$1.90M0.03%+67,519+451.8%Added
Susquehanna International Group, LLP79,827$1.84M0.00%+43,821+121.7%Added
State Board of Administration of Florida Retirement System78,204$1.80M0.00%00.0%Unchanged
Two Sigma Investments, LP74,187$1.71M0.01%−32,600−30.5%Reduced
Gabelli Funds LLC74,000$1.71M0.01%00.0%Unchanged
Rhumbline Advisers72,583$1.67M0.00%+1,277+1.8%Added
Chatham Capital Group, Inc.71,483$1.65M0.37%+49+0.1%Added
Norges Bank70,900$1.63M0.00%+70,900New
UBS Asset Management Americas Inc67,133$1.55M0.00%+5,369+8.7%Added
New York State Common Retirement Fund67,116$1.55M0.00%+8,630+14.8%Added
Neuberger Berman Group LLC65,751$1.52M0.00%+736+1.1%Added
Russell Investments Group, Ltd.64,820$1.49M0.00%+14,850+29.7%Added
California State Teachers Retirement System64,735$1.49M0.00%−928−1.4%Reduced
LPL Financial LLC62,913$1.45M0.00%−9,669−13.3%Reduced
NJ State Employees Deferred Compensation Plan59,000$1.36M0.21%00.0%Unchanged
Tealwood Asset Management Inc58,887$1.36M0.69%−552−0.9%Reduced
UBS Group AG58,051$1.34M0.00%+5,001+9.4%Added
DnB Asset Management AS57,743$1.33M0.01%00.0%Unchanged
Barclays PLC55,120$1.27M0.00%+40,342+273.0%Added
Squarepoint Ops LLC53,600$1.24M0.01%−60,385−53.0%Reduced
Pier 88 Investment Partners LLC47,170$1.09M0.26%−5,700−10.8%Reduced
Great West Life Assurance Co45,951$1.06M0.00%−2,002−4.2%Reduced
BNP Paribas Arbitrage, SA43,971$1.01M0.00%+6,696+18.0%Added
Davy Global Fund Management Ltd43,029$991.8K0.19%+25,119+140.3%Added
Wells Fargo & Company42,894$988.7K0.00%+9,942+30.2%Added
Flputnam Investment Management Co42,846$987.6K0.03%00.0%Unchanged
Zacks Investment Management40,413$931.5K0.01%+40,413New
Granahan Investment Management Inc36,861$849.6K0.03%+14,172+62.5%Added
Artemis Investment Management LLP35,992$828.4K0.01%−5,782−13.8%Reduced
Ergoteles LLC33,191$765.1K0.03%+19,653+145.2%Added
Teton Advisors, Inc.30,000$691.5K0.18%00.0%Unchanged
MetLife Investment Management29,092$670.6K0.00%00.0%Unchanged
Manchester Capital Management LLC28,344$653.3K0.09%00.0%Unchanged
Mirae Asset Global Investments Co., Ltd.27,187$626.7K0.00%+1,031+3.9%Added
American International Group, Inc.26,564$612.3K0.00%+528+2.0%Added
D.A. Davidson & Co.26,458$609.9K0.01%−112−0.4%Reduced
Swiss Life Asset Management Ltd25,906$597.4K0.01%00.0%Unchanged
Algert Global LLC25,530$588.5K0.03%+25,530New