Energy Recovery, Inc. ERII
We take great care to ensure that the data presented and summarized in this overview for Energy Recovery, Inc. is accurate and up-to-date, based on a comprehensive analysis of 13F filing forms for institutional ownership and form 4 filings for insider transactions. Please note that this data may differ from other sources and should not be relied upon as the sole basis for investment decisions.
Top Institutions Holding ERII
View all-
Black Rock Inc. New York, NY5.17MShares$75.3 Million0.0% of portfolio
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Ameriprise Financial Inc Minneapolis, MN4.97MShares$72.3 Million0.02% of portfolio
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Vanguard Group Inc Valley Forge, PA3.76MShares$54.7 Million0.0% of portfolio
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Fil LTD Hamilton, D02.04MShares$29.7 Million0.03% of portfolio
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Brown Capital Management LLC Baltimore, MD1.6MShares$23.3 Million1.07% of portfolio
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State Street Corp Boston, MA1.44MShares$20.9 Million0.0% of portfolio
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Legal & General Group PLC London, X01.31MShares$19 Million0.0% of portfolio
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Geode Capital Management, LLC Boston, MA1.29MShares$18.8 Million0.0% of portfolio
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Kbc Group Nv1.21MShares$17.6 Million0.04% of portfolio
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Avenir Corp Washington, DC1.03MShares$14.9 Million1.74% of portfolio
Latest Institutional Activity in ERII
Top Purchases
Top Sells
About ERII
Energy Recovery, Inc., together with its subsidiaries, designs, manufactures, and sells various solutions for the seawater reverse osmosis desalination and industrial wastewater treatment industries worldwide. The company operates through Water and Emerging Technologies segments. It offers a suite of products, including energy recovery devices, and high-pressure feed and recirculation pumps; hydraulic turbochargers and boosters; and spare parts, as well as repair, field, and commissioning services. The company also offers a solution to reduce energy consumption in natural gas processing and in refrigeration systems that use carbon dioxide. It provides its products under the ERI, Ultra PX, PX, Pressure Exchanger, PX Pressure Exchanger, PX PowerTrain, VorTeq, IsoBoost, AT, and AquaBold names to large engineering, procurement, and construction firms; end-users and industry consultants; original equipment manufacturers; and aftermarket customers. The company was incorporated in 1992 and is headquartered in San Leandro, California.
Insider Transactions at ERII
Insider Transaction List
View all| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Dec 05
2025
|
Arve Hanstveit Director |
SELL
Open market or private sale
|
Direct |
15,000
-2.34%
|
$210,000
$14.71 P/Share
|
|
Dec 04
2025
|
Arve Hanstveit Director |
SELL
Open market or private sale
|
Direct |
15,000
-2.29%
|
$210,000
$14.97 P/Share
|
|
Oct 24
2025
|
William Yeung Chief Legal Officer |
SELL
Open market or private sale
|
Direct |
9,168
-4.49%
|
$165,024
$18.0 P/Share
|
|
Oct 24
2025
|
William Yeung Chief Legal Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
9,168
+4.28%
|
$73,344
$8.85 P/Share
|
|
Oct 23
2025
|
William Yeung Chief Legal Officer |
SELL
Open market or private sale
|
Direct |
3,530
-3.5%
|
$60,010
$17.5 P/Share
|
|
Oct 23
2025
|
William Yeung Chief Legal Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
3,530
+3.38%
|
$24,710
$7.5 P/Share
|
|
Oct 20
2025
|
William Yeung Chief Legal Officer |
SELL
Open market or private sale
|
Direct |
3,530
-3.5%
|
$60,010
$17.0 P/Share
|
|
Oct 20
2025
|
William Yeung Chief Legal Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
3,530
+3.38%
|
$24,710
$7.5 P/Share
|
|
Oct 16
2025
|
William Yeung Chief Legal Officer |
SELL
Open market or private sale
|
Direct |
3,530
-3.5%
|
$56,480
$16.5 P/Share
|
|
Oct 16
2025
|
William Yeung Chief Legal Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
3,530
+3.38%
|
$24,710
$7.5 P/Share
|
|
Oct 03
2025
|
William Yeung Chief Legal Officer |
SELL
Open market or private sale
|
Direct |
3,567
-1.79%
|
$57,072
$16.0 P/Share
|
|
Oct 03
2025
|
William Yeung Chief Legal Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
3,567
+1.76%
|
$24,969
$7.5 P/Share
|
|
Sep 18
2025
|
William Yeung Chief Legal Officer |
SELL
Open market or private sale
|
Direct |
15,454
-13.7%
|
$231,810
$15.09 P/Share
|
|
Sep 18
2025
|
William Yeung Chief Legal Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
15,454
+12.05%
|
$123,632
$8.95 P/Share
|
|
Sep 11
2025
|
William Yeung Chief Legal Officer |
SELL
Open market or private sale
|
Direct |
33,554
-25.63%
|
$469,756
$14.51 P/Share
|
|
Sep 11
2025
|
William Yeung Chief Legal Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
30,877
+19.08%
|
$247,016
$8.95 P/Share
|
|
Jul 28
2025
|
Rodney Clemente SVP, Water |
SELL
Open market or private sale
|
Direct |
5,387
-5.07%
|
$70,031
$13.97 P/Share
|
|
Jul 25
2025
|
William Yeung Chief Legal Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
1,989
-1.95%
|
$25,857
$13.88 P/Share
|
|
Jul 25
2025
|
Rodney Clemente SVP, Water |
SELL
Payment of exercise price or tax liability
|
Direct |
2,320
-2.14%
|
$30,160
$13.88 P/Share
|
|
Jun 12
2025
|
Arve Hanstveit Director |
SELL
Open market or private sale
|
Direct |
30,000
-4.38%
|
$360,000
$12.68 P/Share
|
Last 12 Months Summary
| Grant, award, or other acquisition | 271K shares |
|---|---|
| Exercise of conversion of derivative security | 69.7K shares |
| Open market or private purchase | 8.4K shares |
| Other acquisition or disposition | 65K shares |
| Payment of exercise price or tax liability | 37.1K shares |
|---|---|
| Open market or private sale | 231K shares |
| Other acquisition or disposition | 65K shares |