PEAK6 Investments 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 Q4 2020. The put-call ratio across all filers is 0.13 and the average weighting 0.1%.

Quarter-by-quarter ownership
PEAK6 Investments LLC ownership history of ENERGY RECOVERY INC
ValueSharesWeighting
Q1 2023$808,824
+4.0%
35,090
-7.5%
0.00%0.0%
Q4 2022$777,473
+20.7%
37,944
-19.6%
0.00%
+300.0%
Q4 2020$644,000
+283.3%
47,200
+129.9%
0.00%
Q3 2020$168,000
+97.6%
20,535
+83.2%
0.00%
Q2 2020$85,00011,2100.00%
Other shareholders
ENERGY RECOVERY INC shareholders Q4 2020
NameSharesValueWeighting ↓
Miura Global Management 260,000$5,514,6003.77%
Avenir Corp 1,780,540$37,765,2453.54%
Lagoda Investment Management, L.P. 228,595$4,848,5003.18%
Montanaro Asset Management Ltd 848,250$17,991,3833.16%
Trigran Investments, Inc. 1,333,585$28,285,3383.01%
ACK Asset Management 877,400$18,6102.70%
Sargent Investment Group, LLC 353,095$7,489,1451.80%
Pembroke Management, LTD 548,031$11,623,7381.59%
ESSEX INVESTMENT MANAGEMENT CO LLC 378,234$8,022,3431.31%
Mesirow Institutional Investment Management, Inc. 592,076$12,557,9321.27%
View complete list of ENERGY RECOVERY INC shareholders