PERRITT CAPITAL MANAGEMENT INC - ENERGY RECOVERY INC ownership

ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 114 filers reported holding ENERGY RECOVERY INC in Q3 2018. The put-call ratio across all filers is 0.77 and the average weighting 0.1%.

Quarter-by-quarter ownership
PERRITT CAPITAL MANAGEMENT INC ownership history of ENERGY RECOVERY INC
ValueSharesWeighting
Q3 2018$448,00050,0000.13%
Other shareholders
ENERGY RECOVERY INC shareholders Q3 2018
NameSharesValueWeighting ↓
Trigran Investments, Inc. 5,520,408$41,928,0008.21%
Avenir Corp 1,576,727$11,975,0001.36%
ELKHORN PARTNERS LIMITED PARTNERSHIP 69,000$524,0000.41%
683 Capital Management, LLC 520,000$3,950,0000.32%
FNY Investment Advisers, LLC 50,007$379,0000.22%
Monarch Partners Asset Management LLC 107,324$815,0000.20%
ESSEX INVESTMENT MANAGEMENT CO LLC 141,552$1,075,0000.18%
HEARTLAND ADVISORS INC 168,943$1,283,0000.11%
Redmond Asset Management, LLC 31,041$236,0000.10%
NJ State Employees Deferred Compensation Plan 59,000$448,0000.08%
View complete list of ENERGY RECOVERY INC shareholders