PEAK6 Investments LLC - ENERGY RECOVERY INC ownership

ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 170 filers reported holding ENERGY RECOVERY INC in Q1 2023. The put-call ratio across all filers is 1.11 and the average weighting 0.2%.

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 Q1 2023
NameSharesValueWeighting ↓
Tortoise Index Solutions, LLC 17,231$43,490,7737.60%
Trigran Investments, Inc. 3,469,877$71,097,7807.13%
Lagoda Investment Management, L.P. 289,520$5,932,2654.00%
Avenir Corp 1,723,386$35,312,1793.54%
Montanaro Asset Management Ltd 879,000$18,010,7102.93%
Miura Global Management 280,000$5,737,2002.89%
ACK Asset Management 727,400$14,9042.74%
SCHOLTZ & COMPANY, LLC 129,545$2,6541.88%
ESSEX INVESTMENT MANAGEMENT CO LLC 458,560$9,3961.46%
Mesirow Institutional Investment Management, Inc. 502,150$10,289,0541.35%
View complete list of ENERGY RECOVERY INC shareholders