Latest Institutional Purchases of Energy Recovery, Inc. (ERII)
This list provides information on the latest institutional transactions involving Energy Recovery, Inc. (ERII) stock that were buys. The list includes the name of the institution, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the purchase has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Nov 13, 2025
Q3 2025
|
Legal & General Group PLC
London, X0 |
BUY
|
- |
319K+ 32.21% |
$4.05M - $4.91M
|
1.31M
$19M
|
|
|
Nov 12, 2025
Q3 2025
|
Royce & Associates LP
|
BUY
|
- |
318KNew |
$4.04M - $4.9M
|
318K
$4.62M
|
|
|
Nov 14, 2025
Q3 2025
|
Amundi
Paris, I0 |
BUY
|
- |
315K+ 87.83% |
$4M - $4.85M
|
673K
$9.79M
|
|
|
Nov 14, 2025
Q3 2025
|
Wellington Management Group LLP
Boston, MA |
BUY
|
- |
303KNew |
$3.85M - $4.66M
|
303K
$4.4M
|
|
|
Nov 14, 2025
Q3 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
BUY
|
- |
294K+ 771.4% |
$3.74M - $4.53M
|
332K
$4.83M
|
|
|
Nov 13, 2025
Q3 2025
|
Marshall Wace, LLP
London, X0 |
BUY
|
- |
189K+ 376.74% |
$2.41M - $2.92M
|
239K
$3.48M
|
|
|
Nov 07, 2025
Q3 2025
|
Vanguard Group Inc
Valley Forge, PA |
BUY
|
- |
137K+ 3.79% |
$1.75M - $2.12M
|
3.76M
$54.7M
|
|
|
Nov 13, 2025
Q3 2025
|
Mackenzie Financial Corp
Toronto Ontario, A6 |
BUY
|
- |
117KNew |
$1.49M - $1.81M
|
117K
$1.71M
|
|
|
Nov 13, 2025
Q3 2025
|
Jane Street Group, LLC
New York, NY |
BUY
|
- |
112K+ 267.32% |
$1.43M - $1.73M
|
154K
$2.24M
|
|
|
Nov 14, 2025
Q3 2025
|
Lazard Asset Management LLC
New York, NY |
BUY
|
- |
103K+ 242.43% |
$1.31M - $1.59M
|
146K
$2.12M
|
|
|
Nov 14, 2025
Q3 2025
|
Goldman Sachs Group Inc
New York, NY |
BUY
|
- |
90.2K+ 19.44% |
$1.15M - $1.39M
|
554K
$8.07M
|
|
|
Nov 13, 2025
Q3 2025
|
Arrowstreet Capital, Limited Partnership
Boston, MA |
BUY
|
- |
84.5K+ 60.67% |
$1.08M - $1.3M
|
224K
$3.26M
|
|
|
Nov 17, 2025
Q3 2025
|
Dark Forest Capital Management LP
Weston, CT |
BUY
|
- |
84.4K+ 320.9% |
$1.07M - $1.3M
|
111K
$1.61M
|
|
|
Nov 14, 2025
Q3 2025
|
Engineers Gate Manager LP
New York, NY |
BUY
|
- |
63.9K+ 454.22% |
$813K - $986K
|
78K
$1.14M
|
|
|
Oct 23, 2025
Q3 2025
|
Sg Americas Securities, LLC
|
BUY
|
- |
59.2K+ 57.74% |
$753K - $913K
|
162K
$2.35M
|
|
|
Nov 13, 2025
Q3 2025
|
Duff & Phelps Investment Management CO
Chicago, IL |
BUY
|
- |
59.1K+ 23.73% |
$751K - $911K
|
308K
$4.48M
|
|
|
Nov 14, 2025
Q3 2025
|
Trexquant Investment LP
Stamford, CT |
BUY
|
- |
56.4K+ 106.74% |
$717K - $869K
|
109K
$1.59M
|
|
|
Nov 14, 2025
Q3 2025
|
Hrt Financial LP
New York, NY |
BUY
|
- |
41.4K+ 30.31% |
$526K - $638K
|
178K
$2.59M
|
|
|
Nov 14, 2025
Q3 2025
|
Qube Research & Technologies LTD
London, X0 |
BUY
|
- |
39.4K+ 8.59% |
$502K - $608K
|
499K
$7.26M
|
|
|
Nov 13, 2025
Q3 2025
|
Bank Of Montreal
Toronto, A6 |
BUY
|
- |
36.8KNew |
$468K - $567K
|
36.8K
$535K
|
|
|
Nov 13, 2025
Q3 2025
|
Hsbc Holdings PLC
London, X0 |
BUY
|
- |
31.5KNew |
$401K - $486K
|
31.5K
$458K
|
|
|
Nov 14, 2025
Q3 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
BUY
|
- |
31.3K+ 32.27% |
$398K - $482K
|
128K
$1.86M
|
|
|
Nov 10, 2025
Q3 2025
|
Raiffeisen Bank International Ag
Vienna, C4 |
BUY
|
- |
30K+ 11.54% |
$382K - $463K
|
290K
$4.22M
|
|
|
Nov 12, 2025
Q3 2025
|
Teton Advisors, LLC
Greenwich, CT |
BUY
|
- |
28KNew |
$356K - $432K
|
28K
$407K
|
|
|
Nov 14, 2025
Q3 2025
|
Polymer Capital Management (Us) LLC
New York, NY |
BUY
|
- |
24.1KNew |
$306K - $371K
|
24.1K
$350K
|
|
|
Nov 12, 2025
Q3 2025
|
Dimensional Fund Advisors LP
Austin, TX |
BUY
|
- |
22.7K+ 2.52% |
$289K - $350K
|
925K
$13.5M
|
|
|
Oct 30, 2025
Q3 2025
|
Universal Beteiligungs Und Servicegesellschaft Mb H
Frankfurt Am Main, 2M |
BUY
|
- |
19.2K+ 72.66% |
$245K - $296K
|
45.7K
$665K
|
|
|
Nov 12, 2025
Q3 2025
|
American Century Companies Inc
Kansas City, MO |
BUY
|
- |
19K+ 43.44% |
$242K - $293K
|
62.8K
$914K
|
|
|
Nov 03, 2025
Q3 2025
|
Quest Partners LLC
New York, NY |
BUY
|
- |
18.5K+ 3670.58% |
$235K - $285K
|
19K
$276K
|
|
|
Nov 13, 2025
Q3 2025
|
Inceptionr LLC
Lafayette, CA |
BUY
|
- |
18.1KNew |
$231K - $280K
|
18.1K
$264K
|
|
|
Oct 24, 2025
Q3 2025
|
Conestoga Capital Advisors, LLC
|
BUY
|
- |
18K+ 15.97% |
$228K - $277K
|
130K
$1.9M
|
|
|
Nov 04, 2025
Q3 2025
|
Lingohr & Partner Asset Management Gmb H
Erkrath, 2M |
BUY
|
- |
15.6KNew |
$198K - $241K
|
15.6K
$227K
|
|
|
Oct 14, 2025
Q3 2025
|
Kopion Asset Management, LLC
|
BUY
|
- |
15.5K+ 5.1% |
$197K - $238K
|
318K
$4.63M
|
|
|
Nov 06, 2025
Q3 2025
|
Mqs Management LLC
|
BUY
|
- |
15.1KNew |
$192K - $233K
|
15.1K
$220K
|
|
|
Nov 10, 2025
Q3 2025
|
Fox Run Management, L.L.C.
Greenwich, CT |
BUY
|
- |
14.4KNew |
$183K - $222K
|
14.4K
$209K
|
|
|
Nov 03, 2025
Q3 2025
|
Great Lakes Advisors, LLC
Chicago, IL |
BUY
|
- |
14.4KNew |
$183K - $222K
|
14.4K
$209K
|
|
|
Nov 10, 2025
Q3 2025
|
Axq Capital, LP
Jersey City, NJ |
BUY
|
- |
12.9KNew |
$165K - $200K
|
12.9K
$188K
|
|
|
Nov 14, 2025
Q3 2025
|
Verition Fund Management LLC
Greenwich, CT |
BUY
|
- |
12.3K+ 43.35% |
$156K - $189K
|
40.5K
$590K
|
|
|
Nov 04, 2025
Q3 2025
|
Principal Financial Group Inc
Des Moines, IA |
BUY
|
- |
12.1K+ 38.15% |
$154K - $187K
|
43.9K
$638K
|
|
|
Nov 04, 2025
Q3 2025
|
Envestnet Asset Management Inc
|
BUY
|
- |
11.9KNew |
$152K - $184K
|
11.9K
$174K
|
|
|
Nov 14, 2025
Q3 2025
|
Petrus Trust Company, Lta
Dallas, TX |
BUY
|
- |
11.6KNew |
$148K - $180K
|
11.6K
$169K
|
|
|
Nov 06, 2025
Q3 2025
|
Cornerstone Investment Partners, LLC
|
BUY
|
- |
11.1KNew |
$141K - $170K
|
11.1K
$161K
|
|
|
Nov 13, 2025
Q3 2025
|
Russell Investments Group, Ltd.
|
BUY
|
- |
10.9K+ 46.68% |
$138K - $168K
|
34.2K
$497K
|
|
|
Nov 13, 2025
Q3 2025
|
Quadrature Capital LTD
London, X0 |
BUY
|
- |
10.7KNew |
$137K - $166K
|
10.7K
$156K
|
|
|
Nov 14, 2025
Q3 2025
|
Man Group PLC
London, X0 |
BUY
|
- |
10.5KNew |
$134K - $162K
|
10.5K
$153K
|
|
|
Nov 07, 2025
Q3 2025
|
Bnp Paribas Asset Management Holding S.A.
|
BUY
|
- |
8.47K+ 130.64% |
$108K - $131K
|
15K
$218K
|
|
|
Nov 10, 2025
Q3 2025
|
Cary Street Partners Financial LLC
Richmond, VA |
BUY
|
- |
6.75K+ 14.65% |
$85.8K - $104K
|
52.8K
$768K
|
|
|
Oct 28, 2025
Q3 2025
|
Campbell & CO Investment Adviser LLC
Baltimore, MD |
BUY
|
- |
6.6K+ 15.65% |
$83.9K - $102K
|
48.8K
$709K
|
|
|
Nov 13, 2025
Q3 2025
|
Deutsche Bank Ag\
Frankfurt Am Main, 2M |
BUY
|
- |
5.89K+ 2.64% |
$74.9K - $90.8K
|
229K
$3.33M
|
|
|
Nov 14, 2025
Q3 2025
|
Price T Rowe Associates Inc
Baltimore, MD |
BUY
|
- |
5.49K+ 12.95% |
$69.8K - $84.7K
|
47.9K
$697K
|
|