WESTERN DIGITAL CORP

Ticker: WDC CUSIP: 958102105 Class: EQTY

HBK INVESTMENTS L P's Holding History (CIK: 0001011443)

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

Q4 2025

Shares 28,747 Value ($000) $4,952 Avg Close $151.55 Range $112.43 - $188.77

Q3 2025

Shares 28,749 Value ($000) $3,452 Avg Close $81.60 Range $62.82 - $122.49

Q2 2025

Shares 26,041 Value ($000) $1,666 Avg Close $47.46 Range $28.72 - $64.21

Q1 2025

Shares 185,946 Value ($000) $7,518 Avg Close $47.25 Range $38.95 - $54.41

Q4 2020

Shares 103,119 Value ($000) $5,712 Avg Close $33.07 Range $26.57 - $42.13

Q3 2020

Shares 107,830 Value ($000) $3,941 Avg Close $29.61 Range $25.25 - $35.68

Q2 2020

Shares 97,580 Value ($000) $4,308 Avg Close $32.27 Range $28.18 - $37.56

Q1 2019

Shares 25,854 Value ($000) $1,243 Avg Close $32.38 Range $25.03 - $38.16

Q3 2018

Shares 15,384 Value ($000) $901 Avg Close $46.86 Range $37.47 - $56.00

Q2 2018

Shares 70,100 Value ($000) $5,426 Avg Close $58.47 Range $52.75 - $64.87

Q1 2018

Shares 60,280 Value ($000) $5,562 Avg Close $61.52 Range $53.81 - $73.88

Q4 2017

Shares 322,829 Value ($000) $25,675 Avg Close $58.49 Range $52.57 - $64.05

Q3 2017

Shares 96,000 Value ($000) $8,294 Avg Close $59.93 Range $53.45 - $65.37

Q2 2017

Shares 148,582 Value ($000) $13,164 Avg Close $59.68 Range $54.65 - $64.49

Q1 2017

Shares 125,023 Value ($000) $10,318 Avg Close $51.29 Range $46.27 - $57.21

Q3 2016

Shares 81,679 Value ($000) $4,776 Avg Close $33.13 Range $28.62 - $40.10

Q2 2016

Shares 215,059 Value ($000) $10,164 Avg Close $28.61 Range $22.97 - $33.66

Q1 2016

Shares 188,988 Value ($000) $8,928 Avg Close $30.76 Range $25.11 - $39.62

Q3 2015

Shares 77,900 Value ($000) $6,188 Avg Close $50.91 Range $43.42 - $56.60

Q2 2015

Shares 101,600 Value ($000) $7,967 Avg Close $60.27 Range $50.11 - $64.90

Q1 2015

Shares 91,300 Value ($000) $8,309 Avg Close $65.44 Range $57.41 - $72.02

Q4 2014

Shares 41,200 Value ($000) $4,561 Avg Close $62.96 Range $52.21 - $72.28

Q3 2014

Shares 85,298 Value ($000) $8,301 Avg Close $62.41 Range $58.43 - $64.97

Q2 2014

Shares 96,100 Value ($000) $8,870 Avg Close $55.43 Range $50.48 - $59.36

Q1 2014

Shares 24,000 Value ($000) $2,204 Avg Close $53.80 Range $50.34 - $57.78

Q4 2013

Shares 100,700 Value ($000) $8,449 Avg Close $45.88 Range $38.72 - $52.56

Q3 2013

Shares 71,586 Value ($000) $4,539 Avg Close $40.38 Range $36.69 - $43.65

Q2 2013

Shares 75,300 Value ($000) $4,675 Avg Close $35.69 Range $30.03 - $40.17

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	28,747	$4,952	$151.55	$112.43 - $188.77
Q3 2025	28,749	$3,452	$81.60	$62.82 - $122.49
Q2 2025	26,041	$1,666	$47.46	$28.72 - $64.21
Q1 2025	185,946	$7,518	$47.25	$38.95 - $54.41
Q4 2020	103,119	$5,712	$33.07	$26.57 - $42.13
Q3 2020	107,830	$3,941	$29.61	$25.25 - $35.68
Q2 2020	97,580	$4,308	$32.27	$28.18 - $37.56
Q1 2019	25,854	$1,243	$32.38	$25.03 - $38.16
Q3 2018	15,384	$901	$46.86	$37.47 - $56.00
Q2 2018	70,100	$5,426	$58.47	$52.75 - $64.87
Q1 2018	60,280	$5,562	$61.52	$53.81 - $73.88
Q4 2017	322,829	$25,675	$58.49	$52.57 - $64.05
Q3 2017	96,000	$8,294	$59.93	$53.45 - $65.37
Q2 2017	148,582	$13,164	$59.68	$54.65 - $64.49
Q1 2017	125,023	$10,318	$51.29	$46.27 - $57.21
Q3 2016	81,679	$4,776	$33.13	$28.62 - $40.10
Q2 2016	215,059	$10,164	$28.61	$22.97 - $33.66
Q1 2016	188,988	$8,928	$30.76	$25.11 - $39.62
Q3 2015	77,900	$6,188	$50.91	$43.42 - $56.60
Q2 2015	101,600	$7,967	$60.27	$50.11 - $64.90
Q1 2015	91,300	$8,309	$65.44	$57.41 - $72.02
Q4 2014	41,200	$4,561	$62.96	$52.21 - $72.28
Q3 2014	85,298	$8,301	$62.41	$58.43 - $64.97
Q2 2014	96,100	$8,870	$55.43	$50.48 - $59.36
Q1 2014	24,000	$2,204	$53.80	$50.34 - $57.78
Q4 2013	100,700	$8,449	$45.88	$38.72 - $52.56
Q3 2013	71,586	$4,539	$40.38	$36.69 - $43.65
Q2 2013	75,300	$4,675	$35.69	$30.03 - $40.17