ENERGY RECOVERY INC

Ticker: ERII CUSIP: 29270J100 Class: Common Stock

PRELUDE CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001387508)

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

Q3 2023
Shares 15,580 Value ($000) $330 Avg Close $26.69 Range $20.50 - $30.76
Q1 2023
Shares 14,226 Value ($000) $328 Avg Close $21.96 Range $19.68 - $24.18
Q4 2022
Shares 16,021 Value ($000) $328 Avg Close $21.88 Range $17.32 - $26.34
Q3 2022
Shares 15,705 Value ($000) $341 Avg Close $22.52 Range $18.74 - $26.20
Q2 2021
Shares 13,291 Value ($000) $303 Avg Close $19.71 Range $16.40 - $22.81
Q1 2021
Shares 28,452 Value ($000) $522 Avg Close $16.01 Range $13.45 - $20.25
Q4 2020
Shares 24,657 Value ($000) $336 Avg Close $10.67 Range $8.12 - $13.98
Q3 2020
Shares 2,800 Value ($000) $23 Avg Close $8.02 Range $6.69 - $9.18
Q2 2020
Shares 1,100 Value ($000) $8 Avg Close $7.92 Range $6.66 - $9.31
Q1 2020
Shares 400 Value ($000) $3 Avg Close $9.48 Range $6.11 - $11.07
Q3 2019
Shares 4,167 Value ($000) $39 Avg Close $10.08 Range $8.61 - $12.04
Q2 2019
Shares 11,427 Value ($000) $119 Avg Close $9.84 Range $8.69 - $11.11
Q4 2018
Shares 15,377 Value ($000) $103 Avg Close $7.87 Range $6.17 - $9.28
Q3 2018
Shares 817 Value ($000) $7 Avg Close $8.85 Range $7.68 - $10.25
Q2 2018
Shares 3,553 Value ($000) $29 Avg Close $8.43 Range $7.56 - $9.36
Q1 2018
Shares 9,347 Value ($000) $77 Avg Close $8.08 Range $6.17 - $9.21
Q4 2017
Shares 68,093 Value ($000) $596 Avg Close $9.12 Range $7.48 - $11.30
Q3 2017
Shares 69,397 Value ($000) $548 Avg Close $7.14 Range $6.13 - $8.43
Q4 2016
Shares 24,126 Value ($000) $250 Avg Close $12.01 Range $8.53 - $16.30
Q4 2015
Shares 406 Value ($000) $3 Avg Close $6.31 Range $2.09 - $9.50