ENERGY RECOVERY INC

Ticker: ERII CUSIP: 29270J100 Class: Common Stock

STATE STREET CORP's Holding History (CIK: 0000093751)

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

Q4 2025

Shares 1,764,522 Value ($000) $23,803 Avg Close $15.16 Range $13.27 - $18.32

Q3 2025

Shares 1,439,242 Value ($000) $22,193 Avg Close $14.10 Range $12.54 - $15.47

Q2 2025

Shares 1,459,586 Value ($000) $18,654 Avg Close $13.55 Range $10.86 - $16.05

Q1 2025

Shares 1,432,845 Value ($000) $22,768 Avg Close $15.21 Range $13.80 - $16.86

Q4 2024

Shares 1,450,610 Value ($000) $21,324 Avg Close $17.11 Range $14.47 - $20.27

Q3 2024

Shares 1,417,326 Value ($000) $24,647 Avg Close $15.78 Range $12.46 - $18.36

Q2 2024

Shares 1,415,215 Value ($000) $18,808 Avg Close $13.78 Range $12.26 - $15.95

Q1 2024

Shares 1,352,574 Value ($000) $21,357 Avg Close $15.91 Range $13.95 - $19.19

Q4 2023

Shares 1,327,216 Value ($000) $25,005 Avg Close $18.57 Range $14.04 - $21.32

Q3 2023

Shares 1,217,537 Value ($000) $25,824 Avg Close $26.69 Range $20.50 - $30.76

Q2 2023

Shares 1,194,398 Value ($000) $33,383 Avg Close $24.94 Range $21.78 - $29.71

Q1 2023

Shares 1,304,693 Value ($000) $30,073 Avg Close $21.96 Range $19.68 - $24.18

Q4 2022

Shares 1,231,769 Value ($000) $25,239 Avg Close $21.88 Range $17.32 - $26.34

Q3 2022

Shares 1,138,717 Value ($000) $24,756 Avg Close $22.52 Range $18.74 - $26.20

Q2 2022

Shares 1,061,596 Value ($000) $20,616 Avg Close $19.40 Range $16.92 - $21.97

Q1 2022

Shares 1,029,316 Value ($000) $20,730 Avg Close $19.47 Range $17.84 - $22.09

Q4 2021

Shares 1,009,502 Value ($000) $21,694 Avg Close $20.92 Range $18.50 - $24.99

Q3 2021

Shares 1,040,560 Value ($000) $19,802 Avg Close $20.30 Range $17.94 - $23.69

Q2 2021

Shares 1,028,458 Value ($000) $23,428 Avg Close $19.71 Range $16.40 - $22.81

Q1 2021

Shares 839,888 Value ($000) $15,404 Avg Close $16.01 Range $13.45 - $20.25

Q4 2020

Shares 849,658 Value ($000) $11,589 Avg Close $10.67 Range $8.12 - $13.98

Q3 2020

Shares 842,516 Value ($000) $6,909 Avg Close $8.02 Range $6.69 - $9.18

Q2 2020

Shares 850,316 Value ($000) $6,458 Avg Close $7.92 Range $6.66 - $9.31

Q1 2020

Shares 818,786 Value ($000) $6,092 Avg Close $9.48 Range $6.11 - $11.07

Q4 2019

Shares 758,413 Value ($000) $7,425 Avg Close $9.21 Range $8.32 - $10.24

Q3 2019

Shares 715,974 Value ($000) $6,633 Avg Close $10.08 Range $8.61 - $12.04

Q2 2019

Shares 704,197 Value ($000) $7,338 Avg Close $9.84 Range $8.69 - $11.11

Q1 2019

Shares 659,628 Value ($000) $5,759 Avg Close $7.96 Range $6.56 - $9.18

Q4 2018

Shares 639,392 Value ($000) $4,303 Avg Close $7.87 Range $6.17 - $9.28

Q3 2018

Shares 670,694 Value ($000) $6,003 Avg Close $8.85 Range $7.68 - $10.25

Q2 2018

Shares 650,129 Value ($000) $5,254 Avg Close $8.43 Range $7.56 - $9.36

Q1 2018

Shares 664,284 Value ($000) $5,461 Avg Close $8.08 Range $6.17 - $9.21

Q4 2017

Shares 636,313 Value ($000) $5,569 Avg Close $9.12 Range $7.48 - $11.30

Q3 2017

Shares 612,603 Value ($000) $4,840 Avg Close $7.14 Range $6.13 - $8.43

Q2 2017

Shares 604,520 Value ($000) $5,014 Avg Close $8.01 Range $7.11 - $8.77

Q1 2017

Shares 555,697 Value ($000) $4,622 Avg Close $9.28 Range $7.11 - $11.46

Q4 2016

Shares 538,206 Value ($000) $5,569 Avg Close $12.01 Range $8.53 - $16.30

Q3 2016

Shares 519,580 Value ($000) $8,304 Avg Close $12.16 Range $8.35 - $16.67

Q2 2016

Shares 501,932 Value ($000) $4,462 Avg Close $10.67 Range $7.77 - $13.35

Q1 2016

Shares 24,286 Value ($000) $250 Avg Close $7.29 Range $5.28 - $10.82

Q4 2015

Shares 24,286 Value ($000) $171 Avg Close $6.31 Range $2.09 - $9.50

Q3 2015

Shares 23,786 Value ($000) $52 Avg Close $2.59 Range $2.07 - $3.07

Q2 2015

Shares 23,786 Value ($000) $65 Avg Close $2.93 Range $2.28 - $3.71

Q1 2015

Shares 672,541 Value ($000) $1,741 Avg Close $3.44 Range $2.49 - $5.37

Q4 2014

Shares 671,490 Value ($000) $3,538 Avg Close $4.54 Range $3.30 - $5.42

Q3 2014

Shares 653,027 Value ($000) $2,311 Avg Close $4.37 Range $3.54 - $5.15

Q2 2014

Shares 687,023 Value ($000) $3,380 Avg Close $5.16 Range $4.10 - $6.18

Q1 2014

Shares 700,377 Value ($000) $3,727 Avg Close $4.92 Range $3.82 - $6.98

Q4 2013

Shares 677,746 Value ($000) $3,769 Avg Close $5.62 Range $4.56 - $7.55

Q3 2013

Shares 678,795 Value ($000) $4,919 Avg Close $5.20 Range $3.99 - $7.75

Q2 2013

Shares 684,884 Value ($000) $2,825 Avg Close $3.81 Range $3.24 - $4.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,764,522	$23,803	$15.16	$13.27 - $18.32
Q3 2025	1,439,242	$22,193	$14.10	$12.54 - $15.47
Q2 2025	1,459,586	$18,654	$13.55	$10.86 - $16.05
Q1 2025	1,432,845	$22,768	$15.21	$13.80 - $16.86
Q4 2024	1,450,610	$21,324	$17.11	$14.47 - $20.27
Q3 2024	1,417,326	$24,647	$15.78	$12.46 - $18.36
Q2 2024	1,415,215	$18,808	$13.78	$12.26 - $15.95
Q1 2024	1,352,574	$21,357	$15.91	$13.95 - $19.19
Q4 2023	1,327,216	$25,005	$18.57	$14.04 - $21.32
Q3 2023	1,217,537	$25,824	$26.69	$20.50 - $30.76
Q2 2023	1,194,398	$33,383	$24.94	$21.78 - $29.71
Q1 2023	1,304,693	$30,073	$21.96	$19.68 - $24.18
Q4 2022	1,231,769	$25,239	$21.88	$17.32 - $26.34
Q3 2022	1,138,717	$24,756	$22.52	$18.74 - $26.20
Q2 2022	1,061,596	$20,616	$19.40	$16.92 - $21.97
Q1 2022	1,029,316	$20,730	$19.47	$17.84 - $22.09
Q4 2021	1,009,502	$21,694	$20.92	$18.50 - $24.99
Q3 2021	1,040,560	$19,802	$20.30	$17.94 - $23.69
Q2 2021	1,028,458	$23,428	$19.71	$16.40 - $22.81
Q1 2021	839,888	$15,404	$16.01	$13.45 - $20.25
Q4 2020	849,658	$11,589	$10.67	$8.12 - $13.98
Q3 2020	842,516	$6,909	$8.02	$6.69 - $9.18
Q2 2020	850,316	$6,458	$7.92	$6.66 - $9.31
Q1 2020	818,786	$6,092	$9.48	$6.11 - $11.07
Q4 2019	758,413	$7,425	$9.21	$8.32 - $10.24
Q3 2019	715,974	$6,633	$10.08	$8.61 - $12.04
Q2 2019	704,197	$7,338	$9.84	$8.69 - $11.11
Q1 2019	659,628	$5,759	$7.96	$6.56 - $9.18
Q4 2018	639,392	$4,303	$7.87	$6.17 - $9.28
Q3 2018	670,694	$6,003	$8.85	$7.68 - $10.25
Q2 2018	650,129	$5,254	$8.43	$7.56 - $9.36
Q1 2018	664,284	$5,461	$8.08	$6.17 - $9.21
Q4 2017	636,313	$5,569	$9.12	$7.48 - $11.30
Q3 2017	612,603	$4,840	$7.14	$6.13 - $8.43
Q2 2017	604,520	$5,014	$8.01	$7.11 - $8.77
Q1 2017	555,697	$4,622	$9.28	$7.11 - $11.46
Q4 2016	538,206	$5,569	$12.01	$8.53 - $16.30
Q3 2016	519,580	$8,304	$12.16	$8.35 - $16.67
Q2 2016	501,932	$4,462	$10.67	$7.77 - $13.35
Q1 2016	24,286	$250	$7.29	$5.28 - $10.82
Q4 2015	24,286	$171	$6.31	$2.09 - $9.50
Q3 2015	23,786	$52	$2.59	$2.07 - $3.07
Q2 2015	23,786	$65	$2.93	$2.28 - $3.71
Q1 2015	672,541	$1,741	$3.44	$2.49 - $5.37
Q4 2014	671,490	$3,538	$4.54	$3.30 - $5.42
Q3 2014	653,027	$2,311	$4.37	$3.54 - $5.15
Q2 2014	687,023	$3,380	$5.16	$4.10 - $6.18
Q1 2014	700,377	$3,727	$4.92	$3.82 - $6.98
Q4 2013	677,746	$3,769	$5.62	$4.56 - $7.55
Q3 2013	678,795	$4,919	$5.20	$3.99 - $7.75
Q2 2013	684,884	$2,825	$3.81	$3.24 - $4.50