AVISTA CORP

Ticker: AVA CUSIP: 05379B107 Class: Common Stock

ACADIAN ASSET MANAGEMENT LLC's Holding History (CIK: 0000916542)

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

Q4 2025

Shares 31,501 Value ($000) $1 Avg Close $38.78 Range $36.05 - $41.60

Q3 2025

Shares 7,091 Value ($000) $0 Avg Close $36.47 Range $34.98 - $37.71

Q4 2022

Shares 856 Value ($000) $0 Avg Close $34.22 Range $30.37 - $38.57

Q3 2022

Shares 9,778 Value ($000) $361 Avg Close $35.39 Range $31.48 - $38.26

Q4 2020

Shares 225,245 Value ($000) $9,041 Avg Close $28.86 Range $25.27 - $32.25

Q3 2020

Shares 712,262 Value ($000) $24,306 Avg Close $28.20 Range $25.81 - $29.90

Q2 2020

Shares 990,255 Value ($000) $36,039 Avg Close $30.48 Range $25.82 - $35.07

Q1 2020

Shares 1,076,360 Value ($000) $45,734 Avg Close $36.73 Range $24.60 - $40.62

Q4 2019

Shares 1,190,749 Value ($000) $57,264 Avg Close $36.05 Range $34.67 - $37.62

Q3 2019

Shares 1,175,340 Value ($000) $56,932 Avg Close $34.88 Range $32.92 - $37.21

Q2 2019

Shares 1,247,830 Value ($000) $55,650 Avg Close $31.69 Range $29.92 - $33.70

Q1 2019

Shares 1,006,721 Value ($000) $40,892 Avg Close $30.30 Range $29.30 - $31.80

Q2 2017

Shares 1,298 Value ($000) $55 Avg Close $29.21 Range $26.74 - $31.26

Q1 2017

Shares 1,298 Value ($000) $51 Avg Close $27.19 Range $26.10 - $28.15

Q4 2016

Shares 1,298 Value ($000) $52 Avg Close $27.83 Range $26.71 - $29.71

Q3 2016

Shares 44,194 Value ($000) $1,847 Avg Close $28.97 Range $27.56 - $30.72

Q2 2016

Shares 13,128 Value ($000) $588 Avg Close $27.70 Range $25.92 - $30.44

Q1 2016

Shares 25,473 Value ($000) $1,040 Avg Close $25.24 Range $22.90 - $27.82

Q2 2015

Shares 4,935 Value ($000) $151 Avg Close $20.96 Range $19.69 - $22.33

Q1 2015

Shares 441,935 Value ($000) $15,105 Avg Close $22.48 Range $20.78 - $24.58

Q4 2014

Shares 682,091 Value ($000) $24,112 Avg Close $21.73 Range $19.40 - $23.96

Q3 2014

Shares 626,941 Value ($000) $19,141 Avg Close $20.15 Range $19.08 - $21.13

Q2 2014

Shares 630,804 Value ($000) $21,146 Avg Close $19.80 Range $18.69 - $21.12

Q1 2014

Shares 400,603 Value ($000) $12,278 Avg Close $18.00 Range $17.07 - $19.19

Q4 2013

Shares 5,722 Value ($000) $161 Avg Close $16.79 Range $15.77 - $17.52

Q3 2013

Shares 10,125 Value ($000) $267 Avg Close $16.58 Range $15.56 - $17.59

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	31,501	$1	$38.78	$36.05 - $41.60
Q3 2025	7,091	$0	$36.47	$34.98 - $37.71
Q4 2022	856	$0	$34.22	$30.37 - $38.57
Q3 2022	9,778	$361	$35.39	$31.48 - $38.26
Q4 2020	225,245	$9,041	$28.86	$25.27 - $32.25
Q3 2020	712,262	$24,306	$28.20	$25.81 - $29.90
Q2 2020	990,255	$36,039	$30.48	$25.82 - $35.07
Q1 2020	1,076,360	$45,734	$36.73	$24.60 - $40.62
Q4 2019	1,190,749	$57,264	$36.05	$34.67 - $37.62
Q3 2019	1,175,340	$56,932	$34.88	$32.92 - $37.21
Q2 2019	1,247,830	$55,650	$31.69	$29.92 - $33.70
Q1 2019	1,006,721	$40,892	$30.30	$29.30 - $31.80
Q2 2017	1,298	$55	$29.21	$26.74 - $31.26
Q1 2017	1,298	$51	$27.19	$26.10 - $28.15
Q4 2016	1,298	$52	$27.83	$26.71 - $29.71
Q3 2016	44,194	$1,847	$28.97	$27.56 - $30.72
Q2 2016	13,128	$588	$27.70	$25.92 - $30.44
Q1 2016	25,473	$1,040	$25.24	$22.90 - $27.82
Q2 2015	4,935	$151	$20.96	$19.69 - $22.33
Q1 2015	441,935	$15,105	$22.48	$20.78 - $24.58
Q4 2014	682,091	$24,112	$21.73	$19.40 - $23.96
Q3 2014	626,941	$19,141	$20.15	$19.08 - $21.13
Q2 2014	630,804	$21,146	$19.80	$18.69 - $21.12
Q1 2014	400,603	$12,278	$18.00	$17.07 - $19.19
Q4 2013	5,722	$161	$16.79	$15.77 - $17.52
Q3 2013	10,125	$267	$16.58	$15.56 - $17.59