PINNACLE WEST CAP CORP

Ticker: PNW CUSIP: 723484101 Class: COM

GATEWAY INVESTMENT ADVISERS LLC's Holding History (CIK: 0001114618)

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

Q4 2025

Shares 46,452 Value ($000) $4,120 Avg Close $89.23 Range $86.18 - $93.48

Q3 2025

Shares 44,998 Value ($000) $4,035 Avg Close $88.79 Range $84.44 - $93.47

Q2 2025

Shares 44,884 Value ($000) $4,016 Avg Close $89.32 Range $84.01 - $93.67

Q1 2025

Shares 44,884 Value ($000) $4,275 Avg Close $86.37 Range $78.26 - $93.02

Q4 2024

Shares 52,701 Value ($000) $4,467 Avg Close $84.97 Range $80.67 - $91.67

Q3 2024

Shares 57,214 Value ($000) $5,069 Avg Close $80.90 Range $70.66 - $87.05

Q2 2024

Shares 57,921 Value ($000) $4,424 Avg Close $70.74 Range $65.76 - $74.22

Q1 2024

Shares 57,921 Value ($000) $4,328 Avg Close $65.20 Range $60.62 - $69.54

Q4 2023

Shares 30,638 Value ($000) $2,201 Avg Close $67.20 Range $62.94 - $70.91

Q3 2023

Shares 31,099 Value ($000) $2,291 Avg Close $71.78 Range $66.39 - $77.25

Q2 2023

Shares 31,222 Value ($000) $2,543 Avg Close $71.39 Range $67.35 - $75.96

Q1 2023

Shares 31,241 Value ($000) $2,476 Avg Close $66.77 Range $63.66 - $71.10

Q4 2022

Shares 31,536 Value ($000) $2,398 Avg Close $62.50 Range $51.16 - $70.75

Q3 2022

Shares 29,839 Value ($000) $1,925 Avg Close $63.64 Range $55.76 - $68.03

Q2 2022

Shares 31,536 Value ($000) $2,306 Avg Close $63.84 Range $55.80 - $68.19

Q1 2022

Shares 31,091 Value ($000) $2,428 Avg Close $60.39 Range $56.02 - $66.65

Q4 2021

Shares 29,778 Value ($000) $2,102 Avg Close $55.84 Range $51.86 - $61.46

Q3 2021

Shares 30,387 Value ($000) $2,199 Avg Close $65.26 Range $58.98 - $71.06

Q2 2021

Shares 30,604 Value ($000) $2,509 Avg Close $68.95 Range $65.28 - $72.42

Q1 2021

Shares 30,706 Value ($000) $2,498 Avg Close $62.43 Range $56.60 - $66.33

Q4 2020

Shares 31,150 Value ($000) $2,490 Avg Close $65.83 Range $58.83 - $73.60

Q3 2020

Shares 30,987 Value ($000) $2,310 Avg Close $60.54 Range $54.95 - $66.17

Q2 2020

Shares 30,950 Value ($000) $2,268 Avg Close $59.12 Range $52.33 - $65.86

Q1 2020

Shares 39,018 Value ($000) $2,957 Avg Close $70.35 Range $46.70 - $82.05

Q4 2019

Shares 46,623 Value ($000) $4,193 Avg Close $69.39 Range $65.00 - $74.61

Q3 2019

Shares 47,078 Value ($000) $4,570 Avg Close $71.87 Range $68.70 - $75.42

Q2 2019

Shares 52,610 Value ($000) $4,950 Avg Close $72.15 Range $69.78 - $75.74

Q1 2019

Shares 52,797 Value ($000) $5,046 Avg Close $67.77 Range $60.95 - $73.24

Q4 2018

Shares 82,606 Value ($000) $7,038 Avg Close $64.12 Range $57.80 - $69.17

Q3 2018

Shares 82,178 Value ($000) $6,507 Avg Close $59.27 Range $56.90 - $61.30

Q2 2018

Shares 82,239 Value ($000) $6,625 Avg Close $57.22 Range $53.85 - $59.87

Q1 2018

Shares 82,462 Value ($000) $6,580 Avg Close $56.89 Range $53.69 - $61.68

Q4 2017

Shares 83,014 Value ($000) $7,071 Avg Close $63.49 Range $60.19 - $66.68

Q3 2017

Shares 84,034 Value ($000) $7,106 Avg Close $62.55 Range $59.60 - $65.04

Q2 2017

Shares 84,161 Value ($000) $7,167 Avg Close $61.03 Range $58.21 - $63.58

Q1 2017

Shares 84,224 Value ($000) $7,023 Avg Close $56.18 Range $53.40 - $59.69

Q4 2016

Shares 85,305 Value ($000) $6,656 Avg Close $52.24 Range $49.50 - $55.16

Q3 2016

Shares 70,015 Value ($000) $5,320 Avg Close $53.79 Range $51.20 - $56.86

Q2 2016

Shares 70,007 Value ($000) $5,675 Avg Close $51.08 Range $48.16 - $55.70

Q1 2016

Shares 55,209 Value ($000) $4,145 Avg Close $46.44 Range $42.15 - $51.17

Q4 2015

Shares 24,674 Value ($000) $1,591 Avg Close $42.78 Range $40.93 - $44.75

Q3 2015

Shares 24,761 Value ($000) $1,588 Avg Close $40.69 Range $37.54 - $43.56

Q2 2015

Shares 24,529 Value ($000) $1,395 Avg Close $39.75 Range $37.04 - $42.55

Q1 2015

Shares 24,836 Value ($000) $1,583 Avg Close $43.61 Range $40.31 - $47.62

Q4 2014

Shares 24,917 Value ($000) $1,702 Avg Close $40.25 Range $35.11 - $46.19

Q3 2014

Shares 51,215 Value ($000) $2,798 Avg Close $35.72 Range $33.53 - $37.13

Q2 2014

Shares 54,065 Value ($000) $3,127 Avg Close $35.10 Range $33.77 - $36.96

Q1 2014

Shares 52,475 Value ($000) $2,868 Avg Close $33.65 Range $32.14 - $35.28

Q4 2013

Shares 66,085 Value ($000) $3,497 Avg Close $34.02 Range $32.61 - $36.23

Q3 2013

Shares 66,285 Value ($000) $3,628 Avg Close $34.55 Range $32.11 - $37.02

Q2 2013

Shares 65,366 Value ($000) $3,626 Avg Close $35.40 Range $31.53 - $37.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	46,452	$4,120	$89.23	$86.18 - $93.48
Q3 2025	44,998	$4,035	$88.79	$84.44 - $93.47
Q2 2025	44,884	$4,016	$89.32	$84.01 - $93.67
Q1 2025	44,884	$4,275	$86.37	$78.26 - $93.02
Q4 2024	52,701	$4,467	$84.97	$80.67 - $91.67
Q3 2024	57,214	$5,069	$80.90	$70.66 - $87.05
Q2 2024	57,921	$4,424	$70.74	$65.76 - $74.22
Q1 2024	57,921	$4,328	$65.20	$60.62 - $69.54
Q4 2023	30,638	$2,201	$67.20	$62.94 - $70.91
Q3 2023	31,099	$2,291	$71.78	$66.39 - $77.25
Q2 2023	31,222	$2,543	$71.39	$67.35 - $75.96
Q1 2023	31,241	$2,476	$66.77	$63.66 - $71.10
Q4 2022	31,536	$2,398	$62.50	$51.16 - $70.75
Q3 2022	29,839	$1,925	$63.64	$55.76 - $68.03
Q2 2022	31,536	$2,306	$63.84	$55.80 - $68.19
Q1 2022	31,091	$2,428	$60.39	$56.02 - $66.65
Q4 2021	29,778	$2,102	$55.84	$51.86 - $61.46
Q3 2021	30,387	$2,199	$65.26	$58.98 - $71.06
Q2 2021	30,604	$2,509	$68.95	$65.28 - $72.42
Q1 2021	30,706	$2,498	$62.43	$56.60 - $66.33
Q4 2020	31,150	$2,490	$65.83	$58.83 - $73.60
Q3 2020	30,987	$2,310	$60.54	$54.95 - $66.17
Q2 2020	30,950	$2,268	$59.12	$52.33 - $65.86
Q1 2020	39,018	$2,957	$70.35	$46.70 - $82.05
Q4 2019	46,623	$4,193	$69.39	$65.00 - $74.61
Q3 2019	47,078	$4,570	$71.87	$68.70 - $75.42
Q2 2019	52,610	$4,950	$72.15	$69.78 - $75.74
Q1 2019	52,797	$5,046	$67.77	$60.95 - $73.24
Q4 2018	82,606	$7,038	$64.12	$57.80 - $69.17
Q3 2018	82,178	$6,507	$59.27	$56.90 - $61.30
Q2 2018	82,239	$6,625	$57.22	$53.85 - $59.87
Q1 2018	82,462	$6,580	$56.89	$53.69 - $61.68
Q4 2017	83,014	$7,071	$63.49	$60.19 - $66.68
Q3 2017	84,034	$7,106	$62.55	$59.60 - $65.04
Q2 2017	84,161	$7,167	$61.03	$58.21 - $63.58
Q1 2017	84,224	$7,023	$56.18	$53.40 - $59.69
Q4 2016	85,305	$6,656	$52.24	$49.50 - $55.16
Q3 2016	70,015	$5,320	$53.79	$51.20 - $56.86
Q2 2016	70,007	$5,675	$51.08	$48.16 - $55.70
Q1 2016	55,209	$4,145	$46.44	$42.15 - $51.17
Q4 2015	24,674	$1,591	$42.78	$40.93 - $44.75
Q3 2015	24,761	$1,588	$40.69	$37.54 - $43.56
Q2 2015	24,529	$1,395	$39.75	$37.04 - $42.55
Q1 2015	24,836	$1,583	$43.61	$40.31 - $47.62
Q4 2014	24,917	$1,702	$40.25	$35.11 - $46.19
Q3 2014	51,215	$2,798	$35.72	$33.53 - $37.13
Q2 2014	54,065	$3,127	$35.10	$33.77 - $36.96
Q1 2014	52,475	$2,868	$33.65	$32.14 - $35.28
Q4 2013	66,085	$3,497	$34.02	$32.61 - $36.23
Q3 2013	66,285	$3,628	$34.55	$32.11 - $37.02
Q2 2013	65,366	$3,626	$35.40	$31.53 - $37.84