ENERGY RECOVERY INC

Ticker: ERII CUSIP: 29270J100 Class: Common Stock

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q4 2025
Shares 418,587 Value ($000) $5,647 Avg Close $15.16 Range $13.27 - $18.32
Q3 2025
Shares 331,820 Value ($000) $5,117 Avg Close $14.10 Range $12.54 - $15.47
Q2 2025
Shares 38,079 Value ($000) $487 Avg Close $13.55 Range $10.86 - $16.05
Q1 2025
Shares 282,010 Value ($000) $4,481 Avg Close $15.21 Range $13.80 - $16.86
Q4 2024
Shares 47,883 Value ($000) $704 Avg Close $17.11 Range $14.47 - $20.27
Q3 2024
Shares 112,432 Value ($000) $1,955 Avg Close $15.78 Range $12.46 - $18.36
Q2 2024
Shares 192,896 Value ($000) $2,564 Avg Close $13.78 Range $12.26 - $15.95
Q1 2024
Shares 9,875 Value ($000) $156 Avg Close $15.91 Range $13.95 - $19.19
Q4 2023
Shares 34,970 Value ($000) $659 Avg Close $18.57 Range $14.04 - $21.32
Q3 2023
Shares 29,753 Value ($000) $631 Avg Close $26.69 Range $20.50 - $30.76
Q2 2023
Shares 2,898 Value ($000) $81 Avg Close $24.94 Range $21.78 - $29.71
Q1 2023
Shares 806 Value ($000) $19 Avg Close $21.96 Range $19.68 - $24.18
Q4 2022
Shares 6,861 Value ($000) $141 Avg Close $21.88 Range $17.32 - $26.34
Q3 2022
Shares 102,940 Value ($000) $2,238 Avg Close $22.52 Range $18.74 - $26.20
Q2 2022
Shares 12,679 Value ($000) $246 Avg Close $19.40 Range $16.92 - $21.97
Q1 2022
Shares 22,046 Value ($000) $444 Avg Close $19.47 Range $17.84 - $22.09
Q4 2021
Shares 16,256 Value ($000) $349 Avg Close $20.92 Range $18.50 - $24.99
Q3 2021
Shares 21,912 Value ($000) $417 Avg Close $20.30 Range $17.94 - $23.69
Q2 2021
Shares 54,113 Value ($000) $1,233 Avg Close $19.71 Range $16.40 - $22.81
Q1 2021
Shares 248,333 Value ($000) $4,554 Avg Close $16.01 Range $13.45 - $20.25
Q4 2020
Shares 17,425 Value ($000) $238 Avg Close $10.67 Range $8.12 - $13.98
Q3 2020
Shares 40,292 Value ($000) $330 Avg Close $8.02 Range $6.69 - $9.18
Q1 2020
Shares 17,563 Value ($000) $131 Avg Close $9.48 Range $6.11 - $11.07
Q2 2019
Shares 41,683 Value ($000) $434 Avg Close $9.84 Range $8.69 - $11.11
Q1 2019
Shares 26,944 Value ($000) $235 Avg Close $7.96 Range $6.56 - $9.18
Q3 2018
Shares 25,144 Value ($000) $225 Avg Close $8.85 Range $7.68 - $10.25
Q2 2018
Shares 98,421 Value ($000) $796 Avg Close $8.43 Range $7.56 - $9.36
Q1 2018
Shares 163,047 Value ($000) $1,340 Avg Close $8.08 Range $6.17 - $9.21
Q4 2017
Shares 45,184 Value ($000) $395 Avg Close $9.12 Range $7.48 - $11.30
Q3 2017
Shares 37,777 Value ($000) $298 Avg Close $7.14 Range $6.13 - $8.43
Q2 2017
Shares 67,225 Value ($000) $557 Avg Close $8.01 Range $7.11 - $8.77
Q1 2017
Shares 81,508 Value ($000) $678 Avg Close $9.28 Range $7.11 - $11.46
Q4 2016
Shares 13,018 Value ($000) $135 Avg Close $12.01 Range $8.53 - $16.30
Q3 2016
Shares 196,891 Value ($000) $3,146 Avg Close $12.16 Range $8.35 - $16.67
Q2 2016
Shares 183,445 Value ($000) $1,631 Avg Close $10.67 Range $7.77 - $13.35
Q1 2016
Shares 14,612 Value ($000) $151 Avg Close $7.29 Range $5.28 - $10.82
Q3 2015
Shares 1,570 Value ($000) $3 Avg Close $2.59 Range $2.07 - $3.07
Q1 2015
Shares 16,465 Value ($000) $43 Avg Close $3.44 Range $2.49 - $5.37
Q4 2014
Shares 1,092 Value ($000) $6 Avg Close $4.54 Range $3.30 - $5.42
Q2 2014
Shares 18,791 Value ($000) $92 Avg Close $5.16 Range $4.10 - $6.18
Q1 2014
Shares 170,618 Value ($000) $908 Avg Close $4.92 Range $3.82 - $6.98
Q4 2013
Shares 5,080 Value ($000) $28 Avg Close $5.62 Range $4.56 - $7.55