ENERGY RECOVERY INC

Ticker: ERII CUSIP: 29270J100 Class: Common Stock

Aperio Group, LLC's Holding History (CIK: 0001364615)

Note: Option positions (PUT/CALL) are excluded.

Q4 2020
Shares 149,185 Value ($000) $2,035 Avg Close $10.67 Range $8.12 - $13.98
Q3 2020
Shares 161,358 Value ($000) $1,323 Avg Close $8.02 Range $6.69 - $9.18
Q2 2020
Shares 183,968 Value ($000) $1,397 Avg Close $7.92 Range $6.66 - $9.31
Q1 2020
Shares 89,494 Value ($000) $666 Avg Close $9.48 Range $6.11 - $11.07
Q4 2019
Shares 40,281 Value ($000) $394 Avg Close $9.21 Range $8.32 - $10.24
Q3 2019
Shares 50,673 Value ($000) $469 Avg Close $10.08 Range $8.61 - $12.04
Q2 2019
Shares 48,214 Value ($000) $502 Avg Close $9.84 Range $8.69 - $11.11
Q1 2019
Shares 29,574 Value ($000) $258 Avg Close $7.96 Range $6.56 - $9.18
Q4 2018
Shares 31,032 Value ($000) $209 Avg Close $7.87 Range $6.17 - $9.28
Q3 2018
Shares 19,274 Value ($000) $173 Avg Close $8.85 Range $7.68 - $10.25
Q2 2018
Shares 16,293 Value ($000) $132 Avg Close $8.43 Range $7.56 - $9.36