WESTERN DIGITAL CORP

Ticker: WDC CUSIP: 958102105 Class: EQTY

CAPSTONE INVESTMENT ADVISORS, LLC's Holding History (CIK: 0001426196)

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

Q4 2025

Shares 2,902 Value ($000) $500 Avg Close $151.55 Range $112.43 - $188.77

Q1 2025

Shares 14,427 Value ($000) $583 Avg Close $47.25 Range $38.95 - $54.41

Q4 2024

Shares 2,039 Value ($000) $122 Avg Close $50.08 Range $44.29 - $55.80

Q3 2024

Shares 2,706 Value ($000) $185 Avg Close $50.34 Range $39.73 - $60.52

Q1 2024

Shares 12,073 Value ($000) $824 Avg Close $43.62 Range $36.87 - $52.17

Q4 2023

Shares 5,878 Value ($000) $308 Avg Close $34.87 Range $26.82 - $40.07

Q2 2023

Shares 8,495 Value ($000) $322 Avg Close $27.71 Range $24.07 - $31.23

Q1 2023

Shares 5,891 Value ($000) $222 Avg Close $29.22 Range $23.31 - $34.06

Q4 2022

Shares 4,837 Value ($000) $153 Avg Close $26.28 Range $22.39 - $30.85

Q3 2022

Shares 86,602 Value ($000) $2,819 Avg Close $33.07 Range $23.76 - $38.36

Q2 2022

Shares 41,481 Value ($000) $1,860 Avg Close $40.01 Range $32.99 - $47.63

Q1 2022

Shares 76,296 Value ($000) $3,788 Avg Close $40.89 Range $33.02 - $52.23

Q4 2021

Shares 38,484 Value ($000) $2,510 Avg Close $43.29 Range $37.27 - $50.63

Q3 2021

Shares 92,295 Value ($000) $5,209 Avg Close $47.33 Range $41.77 - $54.33

Q2 2021

Shares 2,401 Value ($000) $171 Avg Close $53.87 Range $48.26 - $58.87

Q3 2020

Shares 93,678 Value ($000) $3,424 Avg Close $29.61 Range $25.25 - $35.68

Q2 2020

Shares 42,985 Value ($000) $1,898 Avg Close $32.27 Range $28.18 - $37.56

Q1 2020

Shares 49,025 Value ($000) $2,040 Avg Close $43.55 Range $20.36 - $53.51

Q4 2019

Shares 5,950 Value ($000) $378 Avg Close $40.69 Range $34.40 - $46.90

Q3 2019

Shares 267 Value ($000) $16 Avg Close $41.27 Range $34.56 - $47.73

Q2 2019

Shares 18,215 Value ($000) $866 Avg Close $32.78 Range $25.73 - $40.13

Q1 2019

Shares 3,804 Value ($000) $183 Avg Close $32.38 Range $25.03 - $38.16

Q4 2018

Shares 8,207 Value ($000) $303 Avg Close $33.07 Range $23.85 - $41.99

Q3 2018

Shares 5,596 Value ($000) $328 Avg Close $46.86 Range $37.47 - $56.00

Q2 2018

Shares 1,954 Value ($000) $151 Avg Close $58.47 Range $52.75 - $64.87

Q2 2016

Shares 31,869 Value ($000) $1,506 Avg Close $28.61 Range $22.97 - $33.66

Q1 2016

Shares 18,200 Value ($000) $859 Avg Close $30.76 Range $25.11 - $39.62

Q4 2015

Shares 12,400 Value ($000) $744 Avg Close $43.55 Range $37.34 - $55.67

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,902	$500	$151.55	$112.43 - $188.77
Q1 2025	14,427	$583	$47.25	$38.95 - $54.41
Q4 2024	2,039	$122	$50.08	$44.29 - $55.80
Q3 2024	2,706	$185	$50.34	$39.73 - $60.52
Q1 2024	12,073	$824	$43.62	$36.87 - $52.17
Q4 2023	5,878	$308	$34.87	$26.82 - $40.07
Q2 2023	8,495	$322	$27.71	$24.07 - $31.23
Q1 2023	5,891	$222	$29.22	$23.31 - $34.06
Q4 2022	4,837	$153	$26.28	$22.39 - $30.85
Q3 2022	86,602	$2,819	$33.07	$23.76 - $38.36
Q2 2022	41,481	$1,860	$40.01	$32.99 - $47.63
Q1 2022	76,296	$3,788	$40.89	$33.02 - $52.23
Q4 2021	38,484	$2,510	$43.29	$37.27 - $50.63
Q3 2021	92,295	$5,209	$47.33	$41.77 - $54.33
Q2 2021	2,401	$171	$53.87	$48.26 - $58.87
Q3 2020	93,678	$3,424	$29.61	$25.25 - $35.68
Q2 2020	42,985	$1,898	$32.27	$28.18 - $37.56
Q1 2020	49,025	$2,040	$43.55	$20.36 - $53.51
Q4 2019	5,950	$378	$40.69	$34.40 - $46.90
Q3 2019	267	$16	$41.27	$34.56 - $47.73
Q2 2019	18,215	$866	$32.78	$25.73 - $40.13
Q1 2019	3,804	$183	$32.38	$25.03 - $38.16
Q4 2018	8,207	$303	$33.07	$23.85 - $41.99
Q3 2018	5,596	$328	$46.86	$37.47 - $56.00
Q2 2018	1,954	$151	$58.47	$52.75 - $64.87
Q2 2016	31,869	$1,506	$28.61	$22.97 - $33.66
Q1 2016	18,200	$859	$30.76	$25.11 - $39.62
Q4 2015	12,400	$744	$43.55	$37.34 - $55.67