Renaissance Technologies - ENERGY RECOVERY INC ownership

ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 93 filers reported holding ENERGY RECOVERY INC in Q1 2016. The put-call ratio across all filers is 0.30 and the average weighting 0.1%.

Quarter-by-quarter ownership
Renaissance Technologies ownership history of ENERGY RECOVERY INC
ValueSharesWeighting
Q3 2022$1,076,000
-38.2%
49,500
-44.8%
0.00%0.0%
Q2 2022$1,742,000
-37.8%
89,700
-35.5%
0.00%
-33.3%
Q1 2022$2,799,000
+485.6%
139,000
+453.8%
0.00%
+200.0%
Q3 2021$478,000
+69.5%
25,100
+63.0%
0.00%
Q1 2021$282,000
+10.2%
15,400
-54.3%
0.00%
Q2 2020$256,000
-49.5%
33,700
-50.5%
0.00%
Q1 2020$507,000
-32.1%
68,100
-10.7%
0.00%
-100.0%
Q4 2019$747,000
-18.7%
76,300
-23.1%
0.00%0.0%
Q3 2019$919,000
+158.1%
99,200
+143.1%
0.00%
Q1 2019$356,000
-83.8%
40,800
-85.4%
0.00%
-100.0%
Q3 2017$2,202,000
-34.8%
278,700
-31.6%
0.00%
-25.0%
Q2 2017$3,377,000
-8.2%
407,300
-7.8%
0.00%
-20.0%
Q1 2017$3,677,000
+2062.9%
441,900
+2594.5%
0.01%
Q4 2016$170,000
-55.5%
16,400
-31.4%
0.00%
-100.0%
Q3 2016$382,000
-84.0%
23,900
-91.1%
0.00%
-80.0%
Q2 2016$2,383,000
+62.6%
268,100
+89.1%
0.01%
+66.7%
Q1 2016$1,466,000
+33.2%
141,800
-8.9%
0.00%
+50.0%
Q4 2015$1,101,000
+88.9%
155,700
+10.3%
0.00%0.0%
Q2 2013$583,000141,1000.00%
Other shareholders
ENERGY RECOVERY INC shareholders Q1 2016
NameSharesValueWeighting ↓
Trigran Investments, Inc. 5,520,408$41,928,0008.21%
Avenir Corp 1,576,727$11,975,0001.36%
ELKHORN PARTNERS LIMITED PARTNERSHIP 69,000$524,0000.41%
683 Capital Management, LLC 520,000$3,950,0000.32%
FNY Investment Advisers, LLC 50,007$379,0000.22%
Monarch Partners Asset Management LLC 107,324$815,0000.20%
ESSEX INVESTMENT MANAGEMENT CO LLC 141,552$1,075,0000.18%
HEARTLAND ADVISORS INC 168,943$1,283,0000.11%
Redmond Asset Management, LLC 31,041$236,0000.10%
NJ State Employees Deferred Compensation Plan 59,000$448,0000.08%
View complete list of ENERGY RECOVERY INC shareholders