PDT Partners, LLC - ENERGY RECOVERY INC ownership

ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 112 filers reported holding ENERGY RECOVERY INC in Q3 2020. The put-call ratio across all filers is 0.54 and the average weighting 0.1%.

Quarter-by-quarter ownership
PDT Partners, LLC ownership history of ENERGY RECOVERY INC
ValueSharesWeighting
Q3 2022$596,000
-39.9%
27,402
-46.3%
0.09%
+3.4%
Q2 2022$991,000
-12.9%
51,014
-9.7%
0.09%
-11.2%
Q1 2022$1,138,000
+3.8%
56,500
+10.8%
0.10%
+18.1%
Q4 2021$1,096,000
+12.9%
51,006
+0.0%
0.08%
+18.6%
Q3 2021$971,000
-16.4%
51,0000.0%0.07%
-9.1%
Q2 2021$1,162,000
+211.5%
51,000
+150.9%
0.08%
+185.2%
Q1 2021$373,000
-4.8%
20,328
-29.2%
0.03%
+3.8%
Q4 2020$392,000
+96.0%
28,705
+17.5%
0.03%
+100.0%
Q3 2020$200,000
-18.7%
24,420
-24.6%
0.01%
-23.5%
Q2 2020$246,000
+79.6%
32,400
+76.1%
0.02%
+54.5%
Q1 2020$137,000
-38.0%
18,400
-18.6%
0.01%
-21.4%
Q4 2019$221,000
-12.6%
22,600
-17.1%
0.01%
-6.7%
Q3 2019$253,000
+21.1%
27,262
+35.6%
0.02%
+25.0%
Q2 2019$209,000
-1.9%
20,100
-17.6%
0.01%0.0%
Q1 2019$213,000
-4.9%
24,400
-26.8%
0.01%
-7.7%
Q4 2018$224,000
-25.8%
33,325
-1.1%
0.01%0.0%
Q3 2018$302,000
-9.0%
33,712
-18.0%
0.01%0.0%
Q2 2018$332,000
+102.4%
41,098
+158.9%
0.01%
+30.0%
Q1 2016$164,000
+92.9%
15,876
+35.7%
0.01%
+400.0%
Q3 2013$85,00011,7000.00%
Other shareholders
ENERGY RECOVERY INC shareholders Q3 2020
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