ENERGY RECOVERY INC

Ticker: ERII CUSIP: 29270J100 Class: Common Stock

PRINCIPAL FINANCIAL GROUP INC's Holding History (CIK: 0001126328)

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

Q4 2025
Shares 63,038 Value ($000) $850 Avg Close $15.16 Range $13.27 - $18.32
Q3 2025
Shares 43,881 Value ($000) $677 Avg Close $14.10 Range $12.54 - $15.47
Q2 2025
Shares 31,763 Value ($000) $406 Avg Close $13.55 Range $10.86 - $16.05
Q4 2023
Shares 19,632 Value ($000) $370 Avg Close $18.57 Range $14.04 - $21.32
Q3 2023
Shares 15,533 Value ($000) $329 Avg Close $26.69 Range $20.50 - $30.76
Q2 2023
Shares 12,806 Value ($000) $358 Avg Close $24.94 Range $21.78 - $29.71
Q1 2022
Shares 60,343 Value ($000) $1,215 Avg Close $19.47 Range $17.84 - $22.09
Q4 2021
Shares 70,224 Value ($000) $1,509 Avg Close $20.92 Range $18.50 - $24.99
Q3 2021
Shares 75,991 Value ($000) $1,446 Avg Close $20.30 Range $17.94 - $23.69
Q2 2021
Shares 76,275 Value ($000) $1,738 Avg Close $19.71 Range $16.40 - $22.81
Q1 2021
Shares 22,328 Value ($000) $409 Avg Close $16.01 Range $13.45 - $20.25
Q4 2020
Shares 30,912 Value ($000) $421 Avg Close $10.67 Range $8.12 - $13.98
Q3 2020
Shares 12,079 Value ($000) $99 Avg Close $8.02 Range $6.69 - $9.18
Q2 2020
Shares 12,820 Value ($000) $97 Avg Close $7.92 Range $6.66 - $9.31
Q1 2020
Shares 31,894 Value ($000) $237 Avg Close $9.48 Range $6.11 - $11.07
Q4 2019
Shares 34,568 Value ($000) $338 Avg Close $9.21 Range $8.32 - $10.24
Q3 2019
Shares 430,901 Value ($000) $3,992 Avg Close $10.08 Range $8.61 - $12.04
Q2 2019
Shares 423,361 Value ($000) $4,411 Avg Close $9.84 Range $8.69 - $11.11
Q1 2019
Shares 414,351 Value ($000) $3,617 Avg Close $7.96 Range $6.56 - $9.18
Q4 2018
Shares 422,835 Value ($000) $2,846 Avg Close $7.87 Range $6.17 - $9.28
Q3 2018
Shares 445,765 Value ($000) $3,990 Avg Close $8.85 Range $7.68 - $10.25
Q2 2018
Shares 445,258 Value ($000) $3,598 Avg Close $8.43 Range $7.56 - $9.36
Q1 2018
Shares 423,900 Value ($000) $3,484 Avg Close $8.08 Range $6.17 - $9.21
Q4 2017
Shares 426,100 Value ($000) $3,728 Avg Close $9.12 Range $7.48 - $11.30
Q3 2017
Shares 426,100 Value ($000) $3,366 Avg Close $7.14 Range $6.13 - $8.43
Q2 2017
Shares 433,300 Value ($000) $3,592 Avg Close $8.01 Range $7.11 - $8.77
Q1 2017
Shares 462,800 Value ($000) $3,850 Avg Close $9.28 Range $7.11 - $11.46
Q4 2016
Shares 700,517 Value ($000) $7,251 Avg Close $12.01 Range $8.53 - $16.30
Q3 2016
Shares 330,700 Value ($000) $5,285 Avg Close $12.16 Range $8.35 - $16.67