ENERGY RECOVERY INC

Ticker: ERII CUSIP: 29270J100 Class: Common Stock

MORGAN STANLEY's Holding History (CIK: 0000895421)

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

Q4 2025

Shares 973,294 Value ($000) $13,130 Avg Close $15.16 Range $13.27 - $18.32

Q3 2025

Shares 930,859 Value ($000) $14,354 Avg Close $14.10 Range $12.54 - $15.47

Q2 2025

Shares 1,034,452 Value ($000) $13,220 Avg Close $13.55 Range $10.86 - $16.05

Q1 2025

Shares 910,168 Value ($000) $14,463 Avg Close $15.21 Range $13.80 - $16.86

Q4 2024

Shares 736,649 Value ($000) $10,829 Avg Close $17.11 Range $14.47 - $20.27

Q3 2024

Shares 1,028,470 Value ($000) $17,885 Avg Close $15.78 Range $12.46 - $18.36

Q2 2024

Shares 1,110,954 Value ($000) $14,765 Avg Close $13.78 Range $12.26 - $15.95

Q1 2024

Shares 1,136,271 Value ($000) $17,942 Avg Close $15.91 Range $13.95 - $19.19

Q4 2023

Shares 874,443 Value ($000) $16,475 Avg Close $18.57 Range $14.04 - $21.32

Q3 2023

Shares 731,781 Value ($000) $15,521 Avg Close $26.69 Range $20.50 - $30.76

Q2 2023

Shares 766,628 Value ($000) $21,427 Avg Close $24.94 Range $21.78 - $29.71

Q1 2023

Shares 781,885 Value ($000) $18,022 Avg Close $21.96 Range $19.68 - $24.18

Q4 2022

Shares 889,304 Value ($000) $18,222 Avg Close $21.88 Range $17.32 - $26.34

Q3 2022

Shares 543,306 Value ($000) $11,812 Avg Close $22.52 Range $18.74 - $26.20

Q2 2022

Shares 424,192 Value ($000) $8,239 Avg Close $19.40 Range $16.92 - $21.97

Q1 2022

Shares 373,677 Value ($000) $7,528 Avg Close $19.47 Range $17.84 - $22.09

Q4 2021

Shares 347,703 Value ($000) $7,472 Avg Close $20.92 Range $18.50 - $24.99

Q3 2021

Shares 407,946 Value ($000) $7,763 Avg Close $20.30 Range $17.94 - $23.69

Q2 2021

Shares 611,494 Value ($000) $13,929 Avg Close $19.71 Range $16.40 - $22.81

Q1 2021

Shares 465,469 Value ($000) $8,537 Avg Close $16.01 Range $13.45 - $20.25

Q4 2020

Shares 258,908 Value ($000) $3,532 Avg Close $10.67 Range $8.12 - $13.98

Q3 2020

Shares 255,949 Value ($000) $2,099 Avg Close $8.02 Range $6.69 - $9.18

Q2 2020

Shares 211,208 Value ($000) $1,605 Avg Close $7.92 Range $6.66 - $9.31

Q1 2020

Shares 195,989 Value ($000) $1,458 Avg Close $9.48 Range $6.11 - $11.07

Q4 2019

Shares 195,923 Value ($000) $1,918 Avg Close $9.21 Range $8.32 - $10.24

Q3 2019

Shares 174,898 Value ($000) $1,621 Avg Close $10.08 Range $8.61 - $12.04

Q2 2019

Shares 278,187 Value ($000) $2,899 Avg Close $9.84 Range $8.69 - $11.11

Q1 2019

Shares 150,195 Value ($000) $1,311 Avg Close $7.96 Range $6.56 - $9.18

Q4 2018

Shares 199,434 Value ($000) $1,342 Avg Close $7.87 Range $6.17 - $9.28

Q3 2018

Shares 203,678 Value ($000) $1,824 Avg Close $8.85 Range $7.68 - $10.25

Q2 2018

Shares 223,302 Value ($000) $1,805 Avg Close $8.43 Range $7.56 - $9.36

Q1 2018

Shares 274,842 Value ($000) $2,259 Avg Close $8.08 Range $6.17 - $9.21

Q4 2017

Shares 243,683 Value ($000) $2,132 Avg Close $9.12 Range $7.48 - $11.30

Q3 2017

Shares 207,640 Value ($000) $1,640 Avg Close $7.14 Range $6.13 - $8.43

Q2 2017

Shares 229,933 Value ($000) $1,906 Avg Close $8.01 Range $7.11 - $8.77

Q1 2017

Shares 228,953 Value ($000) $1,905 Avg Close $9.28 Range $7.11 - $11.46

Q4 2016

Shares 275,623 Value ($000) $2,852 Avg Close $12.01 Range $8.53 - $16.30

Q3 2016

Shares 140,911 Value ($000) $2,251 Avg Close $12.16 Range $8.35 - $16.67

Q2 2016

Shares 137,393 Value ($000) $1,221 Avg Close $10.67 Range $7.77 - $13.35

Q1 2016

Shares 175,238 Value ($000) $1,811 Avg Close $7.29 Range $5.28 - $10.82

Q4 2015

Shares 343,217 Value ($000) $2,426 Avg Close $6.31 Range $2.09 - $9.50

Q3 2015

Shares 155,311 Value ($000) $333 Avg Close $2.59 Range $2.07 - $3.07

Q2 2015

Shares 158,205 Value ($000) $434 Avg Close $2.93 Range $2.28 - $3.71

Q1 2015

Shares 160,861 Value ($000) $417 Avg Close $3.44 Range $2.49 - $5.37

Q4 2014

Shares 134,766 Value ($000) $710 Avg Close $4.54 Range $3.30 - $5.42

Q3 2014

Shares 135,924 Value ($000) $482 Avg Close $4.37 Range $3.54 - $5.15

Q2 2014

Shares 221,277 Value ($000) $1,089 Avg Close $5.16 Range $4.10 - $6.18

Q1 2014

Shares 210,152 Value ($000) $1,118 Avg Close $4.92 Range $3.82 - $6.98

Q4 2013

Shares 179,661 Value ($000) $998 Avg Close $5.62 Range $4.56 - $7.55

Q3 2013

Shares 156,148 Value ($000) $1,131 Avg Close $5.20 Range $3.99 - $7.75

Q2 2013

Shares 121,691 Value ($000) $502 Avg Close $3.81 Range $3.24 - $4.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	973,294	$13,130	$15.16	$13.27 - $18.32
Q3 2025	930,859	$14,354	$14.10	$12.54 - $15.47
Q2 2025	1,034,452	$13,220	$13.55	$10.86 - $16.05
Q1 2025	910,168	$14,463	$15.21	$13.80 - $16.86
Q4 2024	736,649	$10,829	$17.11	$14.47 - $20.27
Q3 2024	1,028,470	$17,885	$15.78	$12.46 - $18.36
Q2 2024	1,110,954	$14,765	$13.78	$12.26 - $15.95
Q1 2024	1,136,271	$17,942	$15.91	$13.95 - $19.19
Q4 2023	874,443	$16,475	$18.57	$14.04 - $21.32
Q3 2023	731,781	$15,521	$26.69	$20.50 - $30.76
Q2 2023	766,628	$21,427	$24.94	$21.78 - $29.71
Q1 2023	781,885	$18,022	$21.96	$19.68 - $24.18
Q4 2022	889,304	$18,222	$21.88	$17.32 - $26.34
Q3 2022	543,306	$11,812	$22.52	$18.74 - $26.20
Q2 2022	424,192	$8,239	$19.40	$16.92 - $21.97
Q1 2022	373,677	$7,528	$19.47	$17.84 - $22.09
Q4 2021	347,703	$7,472	$20.92	$18.50 - $24.99
Q3 2021	407,946	$7,763	$20.30	$17.94 - $23.69
Q2 2021	611,494	$13,929	$19.71	$16.40 - $22.81
Q1 2021	465,469	$8,537	$16.01	$13.45 - $20.25
Q4 2020	258,908	$3,532	$10.67	$8.12 - $13.98
Q3 2020	255,949	$2,099	$8.02	$6.69 - $9.18
Q2 2020	211,208	$1,605	$7.92	$6.66 - $9.31
Q1 2020	195,989	$1,458	$9.48	$6.11 - $11.07
Q4 2019	195,923	$1,918	$9.21	$8.32 - $10.24
Q3 2019	174,898	$1,621	$10.08	$8.61 - $12.04
Q2 2019	278,187	$2,899	$9.84	$8.69 - $11.11
Q1 2019	150,195	$1,311	$7.96	$6.56 - $9.18
Q4 2018	199,434	$1,342	$7.87	$6.17 - $9.28
Q3 2018	203,678	$1,824	$8.85	$7.68 - $10.25
Q2 2018	223,302	$1,805	$8.43	$7.56 - $9.36
Q1 2018	274,842	$2,259	$8.08	$6.17 - $9.21
Q4 2017	243,683	$2,132	$9.12	$7.48 - $11.30
Q3 2017	207,640	$1,640	$7.14	$6.13 - $8.43
Q2 2017	229,933	$1,906	$8.01	$7.11 - $8.77
Q1 2017	228,953	$1,905	$9.28	$7.11 - $11.46
Q4 2016	275,623	$2,852	$12.01	$8.53 - $16.30
Q3 2016	140,911	$2,251	$12.16	$8.35 - $16.67
Q2 2016	137,393	$1,221	$10.67	$7.77 - $13.35
Q1 2016	175,238	$1,811	$7.29	$5.28 - $10.82
Q4 2015	343,217	$2,426	$6.31	$2.09 - $9.50
Q3 2015	155,311	$333	$2.59	$2.07 - $3.07
Q2 2015	158,205	$434	$2.93	$2.28 - $3.71
Q1 2015	160,861	$417	$3.44	$2.49 - $5.37
Q4 2014	134,766	$710	$4.54	$3.30 - $5.42
Q3 2014	135,924	$482	$4.37	$3.54 - $5.15
Q2 2014	221,277	$1,089	$5.16	$4.10 - $6.18
Q1 2014	210,152	$1,118	$4.92	$3.82 - $6.98
Q4 2013	179,661	$998	$5.62	$4.56 - $7.55
Q3 2013	156,148	$1,131	$5.20	$3.99 - $7.75
Q2 2013	121,691	$502	$3.81	$3.24 - $4.50