WESTERN DIGITAL CORP

Ticker: WDC CUSIP: 958102105 Class: EQTY

Holocene Advisors, LP's Holding History (CIK: 0001700574)

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

Q4 2025

Shares 934,982 Value ($000) $161,069 Avg Close $151.55 Range $112.43 - $188.77

Q3 2025

Shares 2,270,410 Value ($000) $272,585 Avg Close $81.60 Range $62.82 - $122.49

Q2 2025

Shares 5,535,972 Value ($000) $354,247 Avg Close $47.46 Range $28.72 - $64.21

Q1 2025

Shares 5,104,553 Value ($000) $206,377 Avg Close $47.25 Range $38.95 - $54.41

Q4 2024

Shares 3,014,251 Value ($000) $179,740 Avg Close $50.08 Range $44.29 - $55.80

Q3 2024

Shares 3,192,762 Value ($000) $218,034 Avg Close $50.34 Range $39.73 - $60.52

Q2 2024

Shares 2,540,915 Value ($000) $192,525 Avg Close $55.25 Range $49.12 - $61.40

Q1 2024

Shares 3,403,197 Value ($000) $232,234 Avg Close $43.62 Range $36.87 - $52.17

Q4 2023

Shares 3,235,952 Value ($000) $169,467 Avg Close $34.87 Range $26.82 - $40.07

Q3 2023

Shares 1,431,277 Value ($000) $65,309 Avg Close $31.42 Range $27.45 - $35.31

Q2 2023

Shares 20,015 Value ($000) $759 Avg Close $27.71 Range $24.07 - $31.23

Q1 2023

Shares 206,166 Value ($000) $7,766 Avg Close $29.22 Range $23.31 - $34.06

Q4 2022

Shares 467,196 Value ($000) $14,740 Avg Close $26.28 Range $22.39 - $30.85

Q3 2022

Shares 41,787 Value ($000) $1,360 Avg Close $33.07 Range $23.76 - $38.36

Q2 2022

Shares 13,427 Value ($000) $602 Avg Close $40.01 Range $32.99 - $47.63

Q1 2022

Shares 332,865 Value ($000) $16,527 Avg Close $40.89 Range $33.02 - $52.23

Q3 2021

Shares 54,368 Value ($000) $3,069 Avg Close $47.33 Range $41.77 - $54.33

Q2 2021

Shares 569,958 Value ($000) $40,564 Avg Close $53.87 Range $48.26 - $58.87

Q4 2020

Shares 1,284,497 Value ($000) $71,148 Avg Close $33.07 Range $26.57 - $42.13

Q2 2020

Shares 10,247 Value ($000) $452 Avg Close $32.27 Range $28.18 - $37.56

Q1 2020

Shares 738,335 Value ($000) $30,730 Avg Close $43.55 Range $20.36 - $53.51

Q3 2019

Shares 339,016 Value ($000) $20,219 Avg Close $41.27 Range $34.56 - $47.73

Q2 2019

Shares 232,247 Value ($000) $11,043 Avg Close $32.78 Range $25.73 - $40.13

Q1 2019

Shares 236,288 Value ($000) $11,356 Avg Close $32.38 Range $25.03 - $38.16

Q2 2018

Shares 3,114 Value ($000) $241 Avg Close $58.47 Range $52.75 - $64.87

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	934,982	$161,069	$151.55	$112.43 - $188.77
Q3 2025	2,270,410	$272,585	$81.60	$62.82 - $122.49
Q2 2025	5,535,972	$354,247	$47.46	$28.72 - $64.21
Q1 2025	5,104,553	$206,377	$47.25	$38.95 - $54.41
Q4 2024	3,014,251	$179,740	$50.08	$44.29 - $55.80
Q3 2024	3,192,762	$218,034	$50.34	$39.73 - $60.52
Q2 2024	2,540,915	$192,525	$55.25	$49.12 - $61.40
Q1 2024	3,403,197	$232,234	$43.62	$36.87 - $52.17
Q4 2023	3,235,952	$169,467	$34.87	$26.82 - $40.07
Q3 2023	1,431,277	$65,309	$31.42	$27.45 - $35.31
Q2 2023	20,015	$759	$27.71	$24.07 - $31.23
Q1 2023	206,166	$7,766	$29.22	$23.31 - $34.06
Q4 2022	467,196	$14,740	$26.28	$22.39 - $30.85
Q3 2022	41,787	$1,360	$33.07	$23.76 - $38.36
Q2 2022	13,427	$602	$40.01	$32.99 - $47.63
Q1 2022	332,865	$16,527	$40.89	$33.02 - $52.23
Q3 2021	54,368	$3,069	$47.33	$41.77 - $54.33
Q2 2021	569,958	$40,564	$53.87	$48.26 - $58.87
Q4 2020	1,284,497	$71,148	$33.07	$26.57 - $42.13
Q2 2020	10,247	$452	$32.27	$28.18 - $37.56
Q1 2020	738,335	$30,730	$43.55	$20.36 - $53.51
Q3 2019	339,016	$20,219	$41.27	$34.56 - $47.73
Q2 2019	232,247	$11,043	$32.78	$25.73 - $40.13
Q1 2019	236,288	$11,356	$32.38	$25.03 - $38.16
Q2 2018	3,114	$241	$58.47	$52.75 - $64.87