WESTERN DIGITAL CORP

Ticker: WDC CUSIP: 958102105 Class: EQTY

Arizona State Retirement System's Holding History (CIK: 0001558481)

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

Q4 2025

Shares 95,602 Value ($000) $16,469 Avg Close $151.55 Range $112.43 - $188.77

Q3 2025

Shares 103,013 Value ($000) $12,368 Avg Close $81.60 Range $62.82 - $122.49

Q2 2025

Shares 101,025 Value ($000) $6,465 Avg Close $47.46 Range $28.72 - $64.21

Q1 2025

Shares 99,944 Value ($000) $4,041 Avg Close $47.25 Range $38.95 - $54.41

Q4 2024

Shares 100,372 Value ($000) $5,985 Avg Close $50.08 Range $44.29 - $55.80

Q3 2024

Shares 93,549 Value ($000) $6,388 Avg Close $50.34 Range $39.73 - $60.52

Q2 2024

Shares 89,596 Value ($000) $6,789 Avg Close $55.25 Range $49.12 - $61.40

Q1 2024

Shares 89,183 Value ($000) $6,086 Avg Close $43.62 Range $36.87 - $52.17

Q4 2023

Shares 89,088 Value ($000) $4,666 Avg Close $34.87 Range $26.82 - $40.07

Q3 2023

Shares 87,285 Value ($000) $3,983 Avg Close $31.42 Range $27.45 - $35.31

Q2 2023

Shares 87,146 Value ($000) $3,305 Avg Close $27.71 Range $24.07 - $31.23

Q1 2023

Shares 92,350 Value ($000) $3,479 Avg Close $29.22 Range $23.31 - $34.06

Q4 2022

Shares 89,019 Value ($000) $2,809 Avg Close $26.28 Range $22.39 - $30.85

Q3 2022

Shares 85,986 Value ($000) $2,799 Avg Close $33.07 Range $23.76 - $38.36

Q2 2022

Shares 87,333 Value ($000) $3,915 Avg Close $40.01 Range $32.99 - $47.63

Q1 2022

Shares 86,743 Value ($000) $4,307 Avg Close $40.89 Range $33.02 - $52.23

Q4 2021

Shares 84,061 Value ($000) $5,482 Avg Close $43.29 Range $37.27 - $50.63

Q3 2021

Shares 86,002 Value ($000) $4,854 Avg Close $47.33 Range $41.77 - $54.33

Q2 2021

Shares 86,518 Value ($000) $6,157 Avg Close $53.87 Range $48.26 - $58.87

Q1 2021

Shares 87,721 Value ($000) $5,855 Avg Close $46.58 Range $36.61 - $54.95

Q4 2020

Shares 86,749 Value ($000) $4,805 Avg Close $33.07 Range $26.57 - $42.13

Q3 2020

Shares 91,194 Value ($000) $3,333 Avg Close $29.61 Range $25.25 - $35.68

Q2 2020

Shares 69,632 Value ($000) $3,074 Avg Close $32.27 Range $28.18 - $37.56

Q1 2020

Shares 171,376 Value ($000) $7,133 Avg Close $43.55 Range $20.36 - $53.51

Q4 2019

Shares 161,359 Value ($000) $10,241 Avg Close $40.69 Range $34.40 - $46.90

Q3 2019

Shares 130,566 Value ($000) $7,787 Avg Close $41.27 Range $34.56 - $47.73

Q2 2019

Shares 129,336 Value ($000) $6,150 Avg Close $32.78 Range $25.73 - $40.13

Q1 2019

Shares 55,849 Value ($000) $2,684 Avg Close $32.38 Range $25.03 - $38.16

Q4 2018

Shares 59,467 Value ($000) $2,198 Avg Close $33.07 Range $23.85 - $41.99

Q3 2018

Shares 72,214 Value ($000) $4,227 Avg Close $46.86 Range $37.47 - $56.00

Q2 2018

Shares 73,538 Value ($000) $5,693 Avg Close $58.47 Range $52.75 - $64.87

Q1 2018

Shares 131,200 Value ($000) $12,106 Avg Close $61.52 Range $53.81 - $73.88

Q4 2017

Shares 120,300 Value ($000) $9,567 Avg Close $58.49 Range $52.57 - $64.05

Q3 2017

Shares 117,619 Value ($000) $10,162 Avg Close $59.93 Range $53.45 - $65.37

Q2 2017

Shares 72,213 Value ($000) $6,398 Avg Close $59.68 Range $54.65 - $64.49

Q1 2017

Shares 71,313 Value ($000) $5,885 Avg Close $51.29 Range $46.27 - $57.21

Q4 2016

Shares 70,613 Value ($000) $4,798 Avg Close $40.87 Range $34.90 - $48.23

Q3 2016

Shares 70,013 Value ($000) $4,094 Avg Close $33.13 Range $28.62 - $40.10

Q2 2016

Shares 69,013 Value ($000) $3,262 Avg Close $28.61 Range $22.97 - $33.66

Q1 2016

Shares 88,300 Value ($000) $4,171 Avg Close $30.76 Range $25.11 - $39.62

Q4 2015

Shares 87,400 Value ($000) $5,248 Avg Close $43.55 Range $37.34 - $55.67

Q3 2015

Shares 63,000 Value ($000) $5,005 Avg Close $50.91 Range $43.42 - $56.60

Q4 2014

Shares 61,100 Value ($000) $6,763 Avg Close $62.96 Range $52.21 - $72.28

Q3 2014

Shares 61,200 Value ($000) $5,955 Avg Close $62.41 Range $58.43 - $64.97

Q2 2014

Shares 59,200 Value ($000) $5,464 Avg Close $55.43 Range $50.48 - $59.36

Q1 2014

Shares 58,700 Value ($000) $5,389 Avg Close $53.80 Range $50.34 - $57.78

Q4 2013

Shares 60,200 Value ($000) $5,050 Avg Close $45.88 Range $38.72 - $52.56

Q3 2013

Shares 62,700 Value ($000) $3,975 Avg Close $40.38 Range $36.69 - $43.65

Q2 2013

Shares 62,600 Value ($000) $3,886 Avg Close $35.69 Range $30.03 - $40.17

Q1 2013

Shares 61,000 Value ($000) $3,067 Avg Close $28.85 Range $25.49 - $31.23

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	95,602	$16,469	$151.55	$112.43 - $188.77
Q3 2025	103,013	$12,368	$81.60	$62.82 - $122.49
Q2 2025	101,025	$6,465	$47.46	$28.72 - $64.21
Q1 2025	99,944	$4,041	$47.25	$38.95 - $54.41
Q4 2024	100,372	$5,985	$50.08	$44.29 - $55.80
Q3 2024	93,549	$6,388	$50.34	$39.73 - $60.52
Q2 2024	89,596	$6,789	$55.25	$49.12 - $61.40
Q1 2024	89,183	$6,086	$43.62	$36.87 - $52.17
Q4 2023	89,088	$4,666	$34.87	$26.82 - $40.07
Q3 2023	87,285	$3,983	$31.42	$27.45 - $35.31
Q2 2023	87,146	$3,305	$27.71	$24.07 - $31.23
Q1 2023	92,350	$3,479	$29.22	$23.31 - $34.06
Q4 2022	89,019	$2,809	$26.28	$22.39 - $30.85
Q3 2022	85,986	$2,799	$33.07	$23.76 - $38.36
Q2 2022	87,333	$3,915	$40.01	$32.99 - $47.63
Q1 2022	86,743	$4,307	$40.89	$33.02 - $52.23
Q4 2021	84,061	$5,482	$43.29	$37.27 - $50.63
Q3 2021	86,002	$4,854	$47.33	$41.77 - $54.33
Q2 2021	86,518	$6,157	$53.87	$48.26 - $58.87
Q1 2021	87,721	$5,855	$46.58	$36.61 - $54.95
Q4 2020	86,749	$4,805	$33.07	$26.57 - $42.13
Q3 2020	91,194	$3,333	$29.61	$25.25 - $35.68
Q2 2020	69,632	$3,074	$32.27	$28.18 - $37.56
Q1 2020	171,376	$7,133	$43.55	$20.36 - $53.51
Q4 2019	161,359	$10,241	$40.69	$34.40 - $46.90
Q3 2019	130,566	$7,787	$41.27	$34.56 - $47.73
Q2 2019	129,336	$6,150	$32.78	$25.73 - $40.13
Q1 2019	55,849	$2,684	$32.38	$25.03 - $38.16
Q4 2018	59,467	$2,198	$33.07	$23.85 - $41.99
Q3 2018	72,214	$4,227	$46.86	$37.47 - $56.00
Q2 2018	73,538	$5,693	$58.47	$52.75 - $64.87
Q1 2018	131,200	$12,106	$61.52	$53.81 - $73.88
Q4 2017	120,300	$9,567	$58.49	$52.57 - $64.05
Q3 2017	117,619	$10,162	$59.93	$53.45 - $65.37
Q2 2017	72,213	$6,398	$59.68	$54.65 - $64.49
Q1 2017	71,313	$5,885	$51.29	$46.27 - $57.21
Q4 2016	70,613	$4,798	$40.87	$34.90 - $48.23
Q3 2016	70,013	$4,094	$33.13	$28.62 - $40.10
Q2 2016	69,013	$3,262	$28.61	$22.97 - $33.66
Q1 2016	88,300	$4,171	$30.76	$25.11 - $39.62
Q4 2015	87,400	$5,248	$43.55	$37.34 - $55.67
Q3 2015	63,000	$5,005	$50.91	$43.42 - $56.60
Q4 2014	61,100	$6,763	$62.96	$52.21 - $72.28
Q3 2014	61,200	$5,955	$62.41	$58.43 - $64.97
Q2 2014	59,200	$5,464	$55.43	$50.48 - $59.36
Q1 2014	58,700	$5,389	$53.80	$50.34 - $57.78
Q4 2013	60,200	$5,050	$45.88	$38.72 - $52.56
Q3 2013	62,700	$3,975	$40.38	$36.69 - $43.65
Q2 2013	62,600	$3,886	$35.69	$30.03 - $40.17
Q1 2013	61,000	$3,067	$28.85	$25.49 - $31.23