WOLVERINE TRADING, LLC - ENERGY RECOVERY INC ownership

ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 98 filers reported holding ENERGY RECOVERY INC in Q4 2019. The put-call ratio across all filers is 1.31 and the average weighting 0.1%.

Quarter-by-quarter ownership
WOLVERINE TRADING, LLC ownership history of ENERGY RECOVERY INC
ValueSharesWeighting
Q3 2022$1,512,000
+5.4%
67,500
+0.4%
0.00%0.0%
Q4 2021$1,434,000
+2.1%
67,200
-8.1%
0.00%0.0%
Q3 2021$1,404,000
+28.0%
73,100
+46.8%
0.00%0.0%
Q2 2021$1,097,000
-41.4%
49,800
-51.6%
0.00%0.0%
Q1 2021$1,872,000
+317.9%
102,906
+204.8%
0.00%
Q4 2020$448,000
+381.7%
33,767
+223.1%
0.00%
Q2 2020$93,000
-19.1%
10,452
-35.9%
0.00%
Q1 2020$115,000
-5.7%
16,300
+24.4%
0.00%
Q3 2019$122,000
-75.8%
13,100
-77.3%
0.00%
-100.0%
Q1 2019$504,000
+62.6%
57,735
+21.4%
0.00%
Q4 2018$310,000
-0.6%
47,566
+36.2%
0.00%
Q3 2018$312,000
-50.8%
34,918
-51.8%
0.00%
-100.0%
Q4 2017$634,000
+130.5%
72,498
+108.2%
0.00%
+100.0%
Q3 2017$275,000
+223.5%
34,820
+242.1%
0.00%
Q2 2017$85,000
-71.9%
10,179
-72.0%
0.00%
-100.0%
Q1 2017$303,000
-39.4%
36,400
-24.6%
0.00%
-33.3%
Q4 2016$500,000
-25.4%
48,296
+15.5%
0.00%0.0%
Q3 2016$670,000
+132.6%
41,800
+25.5%
0.00%
+50.0%
Q2 2016$288,00033,3000.00%
Other shareholders
ENERGY RECOVERY INC shareholders Q4 2019
NameSharesValueWeighting ↓
Trigran Investments, Inc. 3,292,407$71,577,0008.21%
Lagoda Investment Management, L.P. 275,960$5,999,0004.27%
ACK Asset Management 717,400$15,596,0004.13%
Avenir Corp 1,721,164$37,418,0003.97%
Montanaro Asset Management Ltd 869,000$18,892,0002.89%
Miura Global Management 200,000$4,348,0002.61%
EVR Research LP 315,555$6,860,0002.04%
SCHOLTZ & COMPANY, LLC 129,895$2,686,0001.92%
Mesirow Institutional Investment Management, Inc. 516,095$11,220,0001.63%
ESSEX INVESTMENT MANAGEMENT CO LLC 458,532$9,968,0001.59%
View complete list of ENERGY RECOVERY INC shareholders