WESTERN DIGITAL CORP

Ticker: WDC CUSIP: 958102105 Class: EQTY

Zweig-DiMenna Associates LLC's Holding History (CIK: 0001533950)

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

Q4 2025

Shares 83,138 Value ($000) $14,322 Avg Close $151.55 Range $112.43 - $188.77

Q3 2025

Shares 89,000 Value ($000) $10,685 Avg Close $81.60 Range $62.82 - $122.49

Q4 2024

Shares 127,509 Value ($000) $7,603 Avg Close $50.08 Range $44.29 - $55.80

Q3 2024

Shares 127,509 Value ($000) $8,708 Avg Close $50.34 Range $39.73 - $60.52

Q2 2024

Shares 144,264 Value ($000) $10,931 Avg Close $55.25 Range $49.12 - $61.40

Q1 2024

Shares 167,861 Value ($000) $11,455 Avg Close $43.62 Range $36.87 - $52.17

Q4 2023

Shares 166,750 Value ($000) $8,733 Avg Close $34.87 Range $26.82 - $40.07

Q3 2023

Shares 52,500 Value ($000) $2,396 Avg Close $31.42 Range $27.45 - $35.31

Q4 2021

Shares 100,000 Value ($000) $6,521 Avg Close $43.29 Range $37.27 - $50.63

Q1 2021

Shares 124,500 Value ($000) $8,310 Avg Close $46.58 Range $36.61 - $54.95

Q4 2020

Shares 43,812 Value ($000) $2,427 Avg Close $33.07 Range $26.57 - $42.13

Q2 2018

Shares 126,898 Value ($000) $9,823 Avg Close $58.47 Range $52.75 - $64.87

Q4 2017

Shares 77,963 Value ($000) $6,200 Avg Close $58.49 Range $52.57 - $64.05

Q2 2017

Shares 3,000 Value ($000) $266 Avg Close $59.68 Range $54.65 - $64.49

Q3 2016

Shares 190,000 Value ($000) $11,109 Avg Close $33.13 Range $28.62 - $40.10

Q4 2015

Shares 241,000 Value ($000) $14,472 Avg Close $43.55 Range $37.34 - $55.67

Q3 2015

Shares 130,100 Value ($000) $10,335 Avg Close $50.91 Range $43.42 - $56.60

Q2 2015

Shares 5,500 Value ($000) $431 Avg Close $60.27 Range $50.11 - $64.90

Q1 2015

Shares 29,550 Value ($000) $2,689 Avg Close $65.44 Range $57.41 - $72.02

Q3 2014

Shares 2,600 Value ($000) $253 Avg Close $62.41 Range $58.43 - $64.97

Q1 2014

Shares 2,900 Value ($000) $266 Avg Close $53.80 Range $50.34 - $57.78

Q4 2013

Shares 3,500 Value ($000) $294 Avg Close $45.88 Range $38.72 - $52.56

Q3 2013

Shares 3,973 Value ($000) $252 Avg Close $40.38 Range $36.69 - $43.65

Q2 2013

Shares 6,099 Value ($000) $379 Avg Close $35.69 Range $30.03 - $40.17

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	83,138	$14,322	$151.55	$112.43 - $188.77
Q3 2025	89,000	$10,685	$81.60	$62.82 - $122.49
Q4 2024	127,509	$7,603	$50.08	$44.29 - $55.80
Q3 2024	127,509	$8,708	$50.34	$39.73 - $60.52
Q2 2024	144,264	$10,931	$55.25	$49.12 - $61.40
Q1 2024	167,861	$11,455	$43.62	$36.87 - $52.17
Q4 2023	166,750	$8,733	$34.87	$26.82 - $40.07
Q3 2023	52,500	$2,396	$31.42	$27.45 - $35.31
Q4 2021	100,000	$6,521	$43.29	$37.27 - $50.63
Q1 2021	124,500	$8,310	$46.58	$36.61 - $54.95
Q4 2020	43,812	$2,427	$33.07	$26.57 - $42.13
Q2 2018	126,898	$9,823	$58.47	$52.75 - $64.87
Q4 2017	77,963	$6,200	$58.49	$52.57 - $64.05
Q2 2017	3,000	$266	$59.68	$54.65 - $64.49
Q3 2016	190,000	$11,109	$33.13	$28.62 - $40.10
Q4 2015	241,000	$14,472	$43.55	$37.34 - $55.67
Q3 2015	130,100	$10,335	$50.91	$43.42 - $56.60
Q2 2015	5,500	$431	$60.27	$50.11 - $64.90
Q1 2015	29,550	$2,689	$65.44	$57.41 - $72.02
Q3 2014	2,600	$253	$62.41	$58.43 - $64.97
Q1 2014	2,900	$266	$53.80	$50.34 - $57.78
Q4 2013	3,500	$294	$45.88	$38.72 - $52.56
Q3 2013	3,973	$252	$40.38	$36.69 - $43.65
Q2 2013	6,099	$379	$35.69	$30.03 - $40.17