ENERGY RECOVERY INC

Ticker: ERII CUSIP: 29270J100 Class: Common Stock

ELKHORN PARTNERS LIMITED PARTNERSHIP's Holding History (CIK: 0000928400)

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

Q2 2022
Shares 1,862 Value ($000) $36 Avg Close $19.40 Range $16.92 - $21.97
Q1 2022
Shares 2,500 Value ($000) $50 Avg Close $19.47 Range $17.84 - $22.09
Q4 2021
Shares 2,500 Value ($000) $54 Avg Close $20.92 Range $18.50 - $24.99
Q3 2021
Shares 5,200 Value ($000) $99 Avg Close $20.30 Range $17.94 - $23.69
Q2 2021
Shares 6,000 Value ($000) $137 Avg Close $19.71 Range $16.40 - $22.81
Q1 2021
Shares 17,400 Value ($000) $319 Avg Close $16.01 Range $13.45 - $20.25
Q4 2020
Shares 49,433 Value ($000) $674 Avg Close $10.67 Range $8.12 - $13.98
Q3 2020
Shares 67,400 Value ($000) $553 Avg Close $8.02 Range $6.69 - $9.18
Q2 2020
Shares 69,000 Value ($000) $524 Avg Close $7.92 Range $6.66 - $9.31
Q1 2020
Shares 70,650 Value ($000) $526 Avg Close $9.48 Range $6.11 - $11.07
Q4 2019
Shares 73,800 Value ($000) $723 Avg Close $9.21 Range $8.32 - $10.24
Q3 2019
Shares 74,366 Value ($000) $689 Avg Close $10.08 Range $8.61 - $12.04
Q2 2019
Shares 81,581 Value ($000) $850 Avg Close $9.84 Range $8.69 - $11.11
Q1 2019
Shares 87,000 Value ($000) $760 Avg Close $7.96 Range $6.56 - $9.18
Q4 2018
Shares 88,300 Value ($000) $594 Avg Close $7.87 Range $6.17 - $9.28
Q3 2018
Shares 76,600 Value ($000) $686 Avg Close $8.85 Range $7.68 - $10.25
Q2 2018
Shares 75,700 Value ($000) $612 Avg Close $8.43 Range $7.56 - $9.36
Q1 2018
Shares 76,300 Value ($000) $627 Avg Close $8.08 Range $6.17 - $9.21
Q4 2017
Shares 43,114 Value ($000) $377 Avg Close $9.12 Range $7.48 - $11.30
Q3 2017
Shares 46,414 Value ($000) $367 Avg Close $7.14 Range $6.13 - $8.43
Q2 2017
Shares 26,500 Value ($000) $220 Avg Close $8.01 Range $7.11 - $8.77