ENERGY RECOVERY INC

Ticker: ERII CUSIP: 29270J100 Class: Common Stock

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q4 2025
Shares 49,008 Value ($000) $661 Avg Close $15.16 Range $13.27 - $18.32
Q3 2025
Shares 53,078 Value ($000) $818 Avg Close $14.10 Range $12.54 - $15.47
Q2 2025
Shares 53,076 Value ($000) $678 Avg Close $13.55 Range $10.86 - $16.05
Q1 2025
Shares 53,865 Value ($000) $856 Avg Close $15.21 Range $13.80 - $16.86
Q4 2024
Shares 53,865 Value ($000) $792 Avg Close $17.11 Range $14.47 - $20.27
Q3 2024
Shares 54,165 Value ($000) $942 Avg Close $15.78 Range $12.46 - $18.36
Q2 2024
Shares 55,642 Value ($000) $739 Avg Close $13.78 Range $12.26 - $15.95
Q1 2024
Shares 56,429 Value ($000) $891 Avg Close $15.91 Range $13.95 - $19.19
Q4 2023
Shares 59,414 Value ($000) $1,119 Avg Close $18.57 Range $14.04 - $21.32
Q3 2023
Shares 62,093 Value ($000) $1,317 Avg Close $26.69 Range $20.50 - $30.76
Q2 2023
Shares 63,108 Value ($000) $1,764 Avg Close $24.94 Range $21.78 - $29.71
Q1 2023
Shares 64,735 Value ($000) $1,492 Avg Close $21.96 Range $19.68 - $24.18
Q4 2022
Shares 65,663 Value ($000) $1,345 Avg Close $21.88 Range $17.32 - $26.34
Q3 2022
Shares 65,541 Value ($000) $1,425 Avg Close $22.52 Range $18.74 - $26.20
Q2 2022
Shares 67,550 Value ($000) $1,312 Avg Close $19.40 Range $16.92 - $21.97
Q1 2022
Shares 49,341 Value ($000) $994 Avg Close $19.47 Range $17.84 - $22.09
Q4 2021
Shares 54,247 Value ($000) $1,166 Avg Close $20.92 Range $18.50 - $24.99
Q3 2021
Shares 53,225 Value ($000) $1,013 Avg Close $20.30 Range $17.94 - $23.69
Q2 2021
Shares 58,135 Value ($000) $1,324 Avg Close $19.71 Range $16.40 - $22.81
Q1 2021
Shares 60,534 Value ($000) $1,110 Avg Close $16.01 Range $13.45 - $20.25
Q4 2020
Shares 60,767 Value ($000) $829 Avg Close $10.67 Range $8.12 - $13.98
Q3 2020
Shares 60,767 Value ($000) $498 Avg Close $8.02 Range $6.69 - $9.18
Q2 2020
Shares 56,258 Value ($000) $427 Avg Close $7.92 Range $6.66 - $9.31
Q1 2020
Shares 56,258 Value ($000) $419 Avg Close $9.48 Range $6.11 - $11.07
Q4 2019
Shares 57,883 Value ($000) $567 Avg Close $9.21 Range $8.32 - $10.24
Q3 2019
Shares 57,883 Value ($000) $536 Avg Close $10.08 Range $8.61 - $12.04
Q2 2019
Shares 57,192 Value ($000) $596 Avg Close $9.84 Range $8.69 - $11.11
Q1 2019
Shares 55,581 Value ($000) $485 Avg Close $7.96 Range $6.56 - $9.18
Q4 2018
Shares 60,026 Value ($000) $404 Avg Close $7.87 Range $6.17 - $9.28
Q3 2018
Shares 55,516 Value ($000) $497 Avg Close $8.85 Range $7.68 - $10.25
Q2 2018
Shares 55,152 Value ($000) $446 Avg Close $8.43 Range $7.56 - $9.36
Q1 2018
Shares 56,053 Value ($000) $461 Avg Close $8.08 Range $6.17 - $9.21
Q4 2017
Shares 57,160 Value ($000) $500 Avg Close $9.12 Range $7.48 - $11.30
Q3 2017
Shares 57,458 Value ($000) $454 Avg Close $7.14 Range $6.13 - $8.43
Q2 2017
Shares 64,207 Value ($000) $532 Avg Close $8.01 Range $7.11 - $8.77
Q1 2017
Shares 67,807 Value ($000) $564 Avg Close $9.28 Range $7.11 - $11.46
Q4 2016
Shares 71,007 Value ($000) $735 Avg Close $12.01 Range $8.53 - $16.30
Q3 2016
Shares 72,907 Value ($000) $1,165 Avg Close $12.16 Range $8.35 - $16.67
Q2 2016
Shares 72,207 Value ($000) $642 Avg Close $10.67 Range $7.77 - $13.35
Q1 2015
Shares 71,003 Value ($000) $184 Avg Close $3.44 Range $2.49 - $5.37
Q4 2014
Shares 71,003 Value ($000) $374 Avg Close $4.54 Range $3.30 - $5.42
Q3 2014
Shares 70,699 Value ($000) $250 Avg Close $4.37 Range $3.54 - $5.15
Q2 2014
Shares 70,296 Value ($000) $346 Avg Close $5.16 Range $4.10 - $6.18
Q1 2014
Shares 79,996 Value ($000) $426 Avg Close $4.92 Range $3.82 - $6.98
Q4 2013
Shares 79,996 Value ($000) $445 Avg Close $5.62 Range $4.56 - $7.55
Q3 2013
Shares 79,496 Value ($000) $576 Avg Close $5.20 Range $3.99 - $7.75
Q2 2013
Shares 76,989 Value ($000) $318 Avg Close $3.81 Range $3.24 - $4.50
Q1 2013
Shares 76,274 Value ($000) $282 Avg Close $3.88 Range $3.30 - $5.13