ENERGY RECOVERY INC

Ticker: ERII CUSIP: 29270J100 Class: Common Stock

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q3 2024
Shares 467,227 Value ($000) $8,125 Avg Close $15.78 Range $12.46 - $18.36
Q3 2023
Shares 546,780 Value ($000) $11,597 Avg Close $26.69 Range $20.50 - $30.76
Q2 2023
Shares 547,978 Value ($000) $15,316 Avg Close $24.94 Range $21.78 - $29.71
Q1 2023
Shares 282,789 Value ($000) $6,518 Avg Close $21.96 Range $19.68 - $24.18
Q4 2022
Shares 554,269 Value ($000) $11,357 Avg Close $21.88 Range $17.32 - $26.34
Q3 2022
Shares 821,485 Value ($000) $17,859 Avg Close $22.52 Range $18.74 - $26.20
Q2 2022
Shares 560,170 Value ($000) $10,879 Avg Close $19.40 Range $16.92 - $21.97
Q1 2022
Shares 563,765 Value ($000) $11,354 Avg Close $19.47 Range $17.84 - $22.09
Q4 2021
Shares 823,678 Value ($000) $17,701 Avg Close $20.92 Range $18.50 - $24.99
Q3 2021
Shares 638,320 Value ($000) $12,147 Avg Close $20.30 Range $17.94 - $23.69
Q2 2021
Shares 200,000 Value ($000) $4,556 Avg Close $19.71 Range $16.40 - $22.81
Q2 2019
Shares 297,935 Value ($000) $3,104 Avg Close $9.84 Range $8.69 - $11.11
Q4 2017
Shares 509,209 Value ($000) $4,456 Avg Close $9.12 Range $7.48 - $11.30
Q3 2016
Shares 335,040 Value ($000) $5,354 Avg Close $12.16 Range $8.35 - $16.67
Q4 2013
Shares 18,600 Value ($000) $103 Avg Close $5.62 Range $4.56 - $7.55