COLUMBIA PARTNERS L.L.C. INVESTMENT MANAGEMENT - ENERGY RECOVERY INC ownership

ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 118 filers reported holding ENERGY RECOVERY INC in Q1 2017. The put-call ratio across all filers is 0.45 and the average weighting 0.0%.

Quarter-by-quarter ownership
COLUMBIA PARTNERS L.L.C. INVESTMENT MANAGEMENT ownership history of ENERGY RECOVERY INC
ValueSharesWeighting
Q4 2016$431,00041,7050.04%
Other shareholders
ENERGY RECOVERY INC shareholders Q1 2017
NameSharesValueWeighting ↓
Trigran Investments, Inc. 2,959,176$59,598,0006.05%
Miura Global Management 480,000$9,667,0003.14%
Avenir Corp 1,734,868$34,940,0002.79%
Montanaro Asset Management Ltd 884,000$17,804,0002.19%
Lagoda Investment Management, L.P. 173,805$3,500,0001.88%
EVR Research LP 227,380$4,579,0001.69%
MESIROW FINANCIAL INVESTMENT MANAGEMENT - Fixed Income 533,045$10,736,0001.19%
ESSEX INVESTMENT MANAGEMENT CO LLC 449,138$9,046,0001.13%
Handelsinvest Investeringsforvaltning 350,000$7,049,0000.85%
Pembroke Management, LTD 453,435$9,132,0000.76%
View complete list of ENERGY RECOVERY INC shareholders