WESTERN DIGITAL CORP

Ticker: WDC CUSIP: 958102105 Class: EQTY

Korea Investment CORP's Holding History (CIK: 0001441689)

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

Q4 2025

Shares 370,511 Value ($000) $63,828 Avg Close $151.55 Range $112.43 - $188.77

Q3 2025

Shares 358,512 Value ($000) $43,043 Avg Close $81.60 Range $62.82 - $122.49

Q2 2025

Shares 276,078 Value ($000) $17,666 Avg Close $47.46 Range $28.72 - $64.21

Q1 2025

Shares 198,967 Value ($000) $8,044 Avg Close $47.25 Range $38.95 - $54.41

Q4 2024

Shares 243,676 Value ($000) $14,530 Avg Close $50.08 Range $44.29 - $55.80

Q3 2024

Shares 594,547 Value ($000) $40,602 Avg Close $50.34 Range $39.73 - $60.52

Q2 2024

Shares 734,273 Value ($000) $55,636 Avg Close $55.25 Range $49.12 - $61.40

Q1 2024

Shares 1,009,713 Value ($000) $68,903 Avg Close $43.62 Range $36.87 - $52.17

Q4 2023

Shares 845,901 Value ($000) $44,300 Avg Close $34.87 Range $26.82 - $40.07

Q3 2023

Shares 63,319 Value ($000) $2,889 Avg Close $31.42 Range $27.45 - $35.31

Q2 2023

Shares 62,791 Value ($000) $2,382 Avg Close $27.71 Range $24.07 - $31.23

Q1 2023

Shares 61,796 Value ($000) $2,328 Avg Close $29.22 Range $23.31 - $34.06

Q4 2022

Shares 88,978 Value ($000) $2,807 Avg Close $26.28 Range $22.39 - $30.85

Q3 2022

Shares 171,875 Value ($000) $5,595 Avg Close $33.07 Range $23.76 - $38.36

Q2 2022

Shares 320,221 Value ($000) $14,356 Avg Close $40.01 Range $32.99 - $47.63

Q1 2022

Shares 164,700 Value ($000) $8,177 Avg Close $40.89 Range $33.02 - $52.23

Q4 2021

Shares 58,600 Value ($000) $3,821 Avg Close $43.29 Range $37.27 - $50.63

Q3 2021

Shares 118,700 Value ($000) $6,699 Avg Close $47.33 Range $41.77 - $54.33

Q2 2021

Shares 128,300 Value ($000) $9,131 Avg Close $53.87 Range $48.26 - $58.87

Q1 2021

Shares 84,900 Value ($000) $5,667 Avg Close $46.58 Range $36.61 - $54.95

Q4 2020

Shares 92,400 Value ($000) $5,118 Avg Close $33.07 Range $26.57 - $42.13

Q3 2020

Shares 87,500 Value ($000) $3,198 Avg Close $29.61 Range $25.25 - $35.68

Q2 2020

Shares 200,600 Value ($000) $8,856 Avg Close $32.27 Range $28.18 - $37.56

Q1 2020

Shares 74,100 Value ($000) $3,084 Avg Close $43.55 Range $20.36 - $53.51

Q3 2019

Shares 7,500 Value ($000) $447 Avg Close $41.27 Range $34.56 - $47.73

Q1 2019

Shares 1,000 Value ($000) $48 Avg Close $32.38 Range $25.03 - $38.16

Q4 2018

Shares 3,373 Value ($000) $125 Avg Close $33.07 Range $23.85 - $41.99

Q3 2018

Shares 25,244 Value ($000) $1,478 Avg Close $46.86 Range $37.47 - $56.00

Q2 2018

Shares 141,820 Value ($000) $10,978 Avg Close $58.47 Range $52.75 - $64.87

Q1 2018

Shares 164,220 Value ($000) $15,153 Avg Close $61.52 Range $53.81 - $73.88

Q4 2017

Shares 126,649 Value ($000) $10,072 Avg Close $58.49 Range $52.57 - $64.05

Q3 2017

Shares 617,049 Value ($000) $53,313 Avg Close $59.93 Range $53.45 - $65.37

Q2 2017

Shares 595,049 Value ($000) $52,721 Avg Close $59.68 Range $54.65 - $64.49

Q1 2017

Shares 518,590 Value ($000) $42,799 Avg Close $51.29 Range $46.27 - $57.21

Q4 2016

Shares 690,635 Value ($000) $46,929 Avg Close $40.87 Range $34.90 - $48.23

Q3 2016

Shares 754,191 Value ($000) $44,098 Avg Close $33.13 Range $28.62 - $40.10

Q2 2016

Shares 164,541 Value ($000) $7,776 Avg Close $28.61 Range $22.97 - $33.66

Q1 2016

Shares 119,100 Value ($000) $5,626 Avg Close $30.76 Range $25.11 - $39.62

Q4 2015

Shares 23,354 Value ($000) $1,402 Avg Close $43.55 Range $37.34 - $55.67

Q3 2015

Shares 261,854 Value ($000) $20,801 Avg Close $50.91 Range $43.42 - $56.60

Q2 2015

Shares 230,700 Value ($000) $18,091 Avg Close $60.27 Range $50.11 - $64.90

Q1 2015

Shares 285,100 Value ($000) $25,947 Avg Close $65.44 Range $57.41 - $72.02

Q4 2014

Shares 292,800 Value ($000) $32,413 Avg Close $62.96 Range $52.21 - $72.28

Q3 2014

Shares 301,200 Value ($000) $29,313 Avg Close $62.41 Range $58.43 - $64.97

Q2 2014

Shares 131,000 Value ($000) $12,091 Avg Close $55.43 Range $50.48 - $59.36

Q1 2014

Shares 153,500 Value ($000) $14,094 Avg Close $53.80 Range $50.34 - $57.78

Q4 2013

Shares 173,600 Value ($000) $14,565 Avg Close $45.88 Range $38.72 - $52.56

Q3 2013

Shares 206,800 Value ($000) $13,111 Avg Close $40.38 Range $36.69 - $43.65

Q2 2013

Shares 186,400 Value ($000) $11,574 Avg Close $35.69 Range $30.03 - $40.17

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	370,511	$63,828	$151.55	$112.43 - $188.77
Q3 2025	358,512	$43,043	$81.60	$62.82 - $122.49
Q2 2025	276,078	$17,666	$47.46	$28.72 - $64.21
Q1 2025	198,967	$8,044	$47.25	$38.95 - $54.41
Q4 2024	243,676	$14,530	$50.08	$44.29 - $55.80
Q3 2024	594,547	$40,602	$50.34	$39.73 - $60.52
Q2 2024	734,273	$55,636	$55.25	$49.12 - $61.40
Q1 2024	1,009,713	$68,903	$43.62	$36.87 - $52.17
Q4 2023	845,901	$44,300	$34.87	$26.82 - $40.07
Q3 2023	63,319	$2,889	$31.42	$27.45 - $35.31
Q2 2023	62,791	$2,382	$27.71	$24.07 - $31.23
Q1 2023	61,796	$2,328	$29.22	$23.31 - $34.06
Q4 2022	88,978	$2,807	$26.28	$22.39 - $30.85
Q3 2022	171,875	$5,595	$33.07	$23.76 - $38.36
Q2 2022	320,221	$14,356	$40.01	$32.99 - $47.63
Q1 2022	164,700	$8,177	$40.89	$33.02 - $52.23
Q4 2021	58,600	$3,821	$43.29	$37.27 - $50.63
Q3 2021	118,700	$6,699	$47.33	$41.77 - $54.33
Q2 2021	128,300	$9,131	$53.87	$48.26 - $58.87
Q1 2021	84,900	$5,667	$46.58	$36.61 - $54.95
Q4 2020	92,400	$5,118	$33.07	$26.57 - $42.13
Q3 2020	87,500	$3,198	$29.61	$25.25 - $35.68
Q2 2020	200,600	$8,856	$32.27	$28.18 - $37.56
Q1 2020	74,100	$3,084	$43.55	$20.36 - $53.51
Q3 2019	7,500	$447	$41.27	$34.56 - $47.73
Q1 2019	1,000	$48	$32.38	$25.03 - $38.16
Q4 2018	3,373	$125	$33.07	$23.85 - $41.99
Q3 2018	25,244	$1,478	$46.86	$37.47 - $56.00
Q2 2018	141,820	$10,978	$58.47	$52.75 - $64.87
Q1 2018	164,220	$15,153	$61.52	$53.81 - $73.88
Q4 2017	126,649	$10,072	$58.49	$52.57 - $64.05
Q3 2017	617,049	$53,313	$59.93	$53.45 - $65.37
Q2 2017	595,049	$52,721	$59.68	$54.65 - $64.49
Q1 2017	518,590	$42,799	$51.29	$46.27 - $57.21
Q4 2016	690,635	$46,929	$40.87	$34.90 - $48.23
Q3 2016	754,191	$44,098	$33.13	$28.62 - $40.10
Q2 2016	164,541	$7,776	$28.61	$22.97 - $33.66
Q1 2016	119,100	$5,626	$30.76	$25.11 - $39.62
Q4 2015	23,354	$1,402	$43.55	$37.34 - $55.67
Q3 2015	261,854	$20,801	$50.91	$43.42 - $56.60
Q2 2015	230,700	$18,091	$60.27	$50.11 - $64.90
Q1 2015	285,100	$25,947	$65.44	$57.41 - $72.02
Q4 2014	292,800	$32,413	$62.96	$52.21 - $72.28
Q3 2014	301,200	$29,313	$62.41	$58.43 - $64.97
Q2 2014	131,000	$12,091	$55.43	$50.48 - $59.36
Q1 2014	153,500	$14,094	$53.80	$50.34 - $57.78
Q4 2013	173,600	$14,565	$45.88	$38.72 - $52.56
Q3 2013	206,800	$13,111	$40.38	$36.69 - $43.65
Q2 2013	186,400	$11,574	$35.69	$30.03 - $40.17