WESTERN DIGITAL CORP

Ticker: WDC CUSIP: 958102105 Class: EQTY

D. E. Shaw & Co., Inc.'s Holding History (CIK: 0001009207)

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

Q4 2025

Shares 5,701,318 Value ($000) $982,166 Avg Close $151.55 Range $112.43 - $188.77

Q3 2025

Shares 9,625,316 Value ($000) $1,155,615 Avg Close $81.60 Range $62.82 - $122.49

Q2 2025

Shares 2,907,161 Value ($000) $186,029 Avg Close $47.46 Range $28.72 - $64.21

Q1 2025

Shares 29,303 Value ($000) $1,185 Avg Close $47.25 Range $38.95 - $54.41

Q4 2024

Shares 384,926 Value ($000) $22,953 Avg Close $50.08 Range $44.29 - $55.80

Q3 2024

Shares 633,813 Value ($000) $43,283 Avg Close $50.34 Range $39.73 - $60.52

Q2 2024

Shares 2,123,842 Value ($000) $160,924 Avg Close $55.25 Range $49.12 - $61.40

Q1 2024

Shares 2,532,263 Value ($000) $172,802 Avg Close $43.62 Range $36.87 - $52.17

Q4 2023

Shares 2,733,336 Value ($000) $143,145 Avg Close $34.87 Range $26.82 - $40.07

Q3 2023

Shares 137,077 Value ($000) $6,255 Avg Close $31.42 Range $27.45 - $35.31

Q2 2023

Shares 638,426 Value ($000) $24,215 Avg Close $27.71 Range $24.07 - $31.23

Q1 2023

Shares 134,729 Value ($000) $5,075 Avg Close $29.22 Range $23.31 - $34.06

Q4 2022

Shares 632,238 Value ($000) $19,947 Avg Close $26.28 Range $22.39 - $30.85

Q3 2022

Shares 192,897 Value ($000) $6,279 Avg Close $33.07 Range $23.76 - $38.36

Q2 2022

Shares 208,856 Value ($000) $9,363 Avg Close $40.01 Range $32.99 - $47.63

Q1 2022

Shares 1,294,636 Value ($000) $64,278 Avg Close $40.89 Range $33.02 - $52.23

Q4 2021

Shares 1,490,589 Value ($000) $97,201 Avg Close $43.29 Range $37.27 - $50.63

Q3 2021

Shares 1,260,068 Value ($000) $71,118 Avg Close $47.33 Range $41.77 - $54.33

Q2 2021

Shares 759,748 Value ($000) $54,071 Avg Close $53.87 Range $48.26 - $58.87

Q1 2021

Shares 269,268 Value ($000) $17,974 Avg Close $46.58 Range $36.61 - $54.95

Q4 2020

Shares 612,941 Value ($000) $33,951 Avg Close $33.07 Range $26.57 - $42.13

Q3 2020

Shares 782,033 Value ($000) $28,583 Avg Close $29.61 Range $25.25 - $35.68

Q2 2020

Shares 396,538 Value ($000) $17,507 Avg Close $32.27 Range $28.18 - $37.56

Q1 2020

Shares 191,103 Value ($000) $7,954 Avg Close $43.55 Range $20.36 - $53.51

Q4 2019

Shares 206,262 Value ($000) $13,091 Avg Close $40.69 Range $34.40 - $46.90

Q3 2019

Shares 142,890 Value ($000) $8,522 Avg Close $41.27 Range $34.56 - $47.73

Q2 2019

Shares 427,927 Value ($000) $20,348 Avg Close $32.78 Range $25.73 - $40.13

Q1 2019

Shares 600,369 Value ($000) $28,854 Avg Close $32.38 Range $25.03 - $38.16

Q4 2018

Shares 1,120,848 Value ($000) $41,437 Avg Close $33.07 Range $23.85 - $41.99

Q3 2018

Shares 1,100,013 Value ($000) $64,395 Avg Close $46.86 Range $37.47 - $56.00

Q2 2018

Shares 135,027 Value ($000) $10,453 Avg Close $58.47 Range $52.75 - $64.87

Q1 2018

Shares 548,714 Value ($000) $50,629 Avg Close $61.52 Range $53.81 - $73.88

Q4 2017

Shares 63,787 Value ($000) $5,073 Avg Close $58.49 Range $52.57 - $64.05

Q3 2017

Shares 158,465 Value ($000) $13,691 Avg Close $59.93 Range $53.45 - $65.37

Q2 2017

Shares 22,885 Value ($000) $2,028 Avg Close $59.68 Range $54.65 - $64.49

Q1 2017

Shares 66,015 Value ($000) $5,448 Avg Close $51.29 Range $46.27 - $57.21

Q4 2016

Shares 213,375 Value ($000) $14,499 Avg Close $40.87 Range $34.90 - $48.23

Q3 2016

Shares 433,153 Value ($000) $25,326 Avg Close $33.13 Range $28.62 - $40.10

Q2 2016

Shares 78,884 Value ($000) $3,728 Avg Close $28.61 Range $22.97 - $33.66

Q1 2016

Shares 1,889,103 Value ($000) $89,241 Avg Close $30.76 Range $25.11 - $39.62

Q4 2015

Shares 508,248 Value ($000) $30,520 Avg Close $43.55 Range $37.34 - $55.67

Q3 2015

Shares 3,090,078 Value ($000) $245,476 Avg Close $50.91 Range $43.42 - $56.60

Q2 2015

Shares 1,098,013 Value ($000) $86,106 Avg Close $60.27 Range $50.11 - $64.90

Q1 2015

Shares 862,112 Value ($000) $78,461 Avg Close $65.44 Range $57.41 - $72.02

Q4 2014

Shares 72,461 Value ($000) $8,021 Avg Close $62.96 Range $52.21 - $72.28

Q3 2014

Shares 35,595 Value ($000) $3,464 Avg Close $62.41 Range $58.43 - $64.97

Q1 2014

Shares 3,804 Value ($000) $349 Avg Close $53.80 Range $50.34 - $57.78

Q4 2013

Shares 41,551 Value ($000) $3,486 Avg Close $45.88 Range $38.72 - $52.56

Q3 2013

Shares 8,882 Value ($000) $563 Avg Close $40.38 Range $36.69 - $43.65

Q2 2013

Shares 160,284 Value ($000) $9,952 Avg Close $35.69 Range $30.03 - $40.17

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	5,701,318	$982,166	$151.55	$112.43 - $188.77
Q3 2025	9,625,316	$1,155,615	$81.60	$62.82 - $122.49
Q2 2025	2,907,161	$186,029	$47.46	$28.72 - $64.21
Q1 2025	29,303	$1,185	$47.25	$38.95 - $54.41
Q4 2024	384,926	$22,953	$50.08	$44.29 - $55.80
Q3 2024	633,813	$43,283	$50.34	$39.73 - $60.52
Q2 2024	2,123,842	$160,924	$55.25	$49.12 - $61.40
Q1 2024	2,532,263	$172,802	$43.62	$36.87 - $52.17
Q4 2023	2,733,336	$143,145	$34.87	$26.82 - $40.07
Q3 2023	137,077	$6,255	$31.42	$27.45 - $35.31
Q2 2023	638,426	$24,215	$27.71	$24.07 - $31.23
Q1 2023	134,729	$5,075	$29.22	$23.31 - $34.06
Q4 2022	632,238	$19,947	$26.28	$22.39 - $30.85
Q3 2022	192,897	$6,279	$33.07	$23.76 - $38.36
Q2 2022	208,856	$9,363	$40.01	$32.99 - $47.63
Q1 2022	1,294,636	$64,278	$40.89	$33.02 - $52.23
Q4 2021	1,490,589	$97,201	$43.29	$37.27 - $50.63
Q3 2021	1,260,068	$71,118	$47.33	$41.77 - $54.33
Q2 2021	759,748	$54,071	$53.87	$48.26 - $58.87
Q1 2021	269,268	$17,974	$46.58	$36.61 - $54.95
Q4 2020	612,941	$33,951	$33.07	$26.57 - $42.13
Q3 2020	782,033	$28,583	$29.61	$25.25 - $35.68
Q2 2020	396,538	$17,507	$32.27	$28.18 - $37.56
Q1 2020	191,103	$7,954	$43.55	$20.36 - $53.51
Q4 2019	206,262	$13,091	$40.69	$34.40 - $46.90
Q3 2019	142,890	$8,522	$41.27	$34.56 - $47.73
Q2 2019	427,927	$20,348	$32.78	$25.73 - $40.13
Q1 2019	600,369	$28,854	$32.38	$25.03 - $38.16
Q4 2018	1,120,848	$41,437	$33.07	$23.85 - $41.99
Q3 2018	1,100,013	$64,395	$46.86	$37.47 - $56.00
Q2 2018	135,027	$10,453	$58.47	$52.75 - $64.87
Q1 2018	548,714	$50,629	$61.52	$53.81 - $73.88
Q4 2017	63,787	$5,073	$58.49	$52.57 - $64.05
Q3 2017	158,465	$13,691	$59.93	$53.45 - $65.37
Q2 2017	22,885	$2,028	$59.68	$54.65 - $64.49
Q1 2017	66,015	$5,448	$51.29	$46.27 - $57.21
Q4 2016	213,375	$14,499	$40.87	$34.90 - $48.23
Q3 2016	433,153	$25,326	$33.13	$28.62 - $40.10
Q2 2016	78,884	$3,728	$28.61	$22.97 - $33.66
Q1 2016	1,889,103	$89,241	$30.76	$25.11 - $39.62
Q4 2015	508,248	$30,520	$43.55	$37.34 - $55.67
Q3 2015	3,090,078	$245,476	$50.91	$43.42 - $56.60
Q2 2015	1,098,013	$86,106	$60.27	$50.11 - $64.90
Q1 2015	862,112	$78,461	$65.44	$57.41 - $72.02
Q4 2014	72,461	$8,021	$62.96	$52.21 - $72.28
Q3 2014	35,595	$3,464	$62.41	$58.43 - $64.97
Q1 2014	3,804	$349	$53.80	$50.34 - $57.78
Q4 2013	41,551	$3,486	$45.88	$38.72 - $52.56
Q3 2013	8,882	$563	$40.38	$36.69 - $43.65
Q2 2013	160,284	$9,952	$35.69	$30.03 - $40.17