BLAIR WILLIAM & CO/IL - ENERGY RECOVERY INC ownership

ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 173 filers reported holding ENERGY RECOVERY INC in Q4 2022. The put-call ratio across all filers is 0.31 and the average weighting 0.3%.

Quarter-by-quarter ownership
BLAIR WILLIAM & CO/IL ownership history of ENERGY RECOVERY INC
ValueSharesWeighting
Q3 2022$249,00011,4570.00%
Other shareholders
ENERGY RECOVERY INC shareholders Q4 2022
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