Primecap Management CO Western Digital Corp Transaction History

Primecap Management CO

$126 Billion
Q3 2025

A detailed history of Primecap Management CO transactions in Western Digital Corp stock. As of the latest transaction made, Primecap Management CO holds 965,070 shares of WDC stock, worth $152 Million. This represents 0.09% of its overall portfolio holdings.

Number of Shares

965,070

Previous 1,072,090 9.98%

Holding current value

$152 Million

Previous $68.6 Million 68.89%

% of portfolio

0.09%

Previous 0.06%

33 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 10, 2025	SELL	$63.84 - $120.06 $6.83 Million - $12.8 Million	-107,020 Reduced 9.98%	965,070 $116 Million
Q2 2025 Aug 11, 2025	SELL	$30.54 - $63.99 $1.51 Million - $3.17 Million	-49,465 Reduced 4.41%	1,072,090 $68.6 Million
Q1 2025 May 09, 2025	SELL	$40.43 - $72.03 $1.5 Million - $2.67 Million	-37,060 Reduced 3.2%	1,121,555 $45.3 Million
Q4 2024 Feb 10, 2025	SELL	$59.62 - $73.43 $168,128 - $207,072	-2,820 Reduced 0.24%	1,158,615 $69.1 Million
Q3 2024 Nov 08, 2024	SELL	$56.25 - $80.24 $1.95 Million - $2.78 Million	-34,690 Reduced 2.9%	1,161,435 $79.3 Million

Q2 2024 Aug 09, 2024	SELL	$66.05 - $80.23 $5.27 Million - $6.4 Million	-79,763 Reduced 6.25%	1,196,125 $90.6 Million
Q1 2024 May 13, 2024	SELL	$49.43 - $68.24 $13.2 Million - $18.2 Million	-266,720 Reduced 17.29%	1,275,888 $87.1 Million
Q4 2023 Feb 09, 2024	SELL	$38.26 - $52.93 $28.2 Million - $39 Million	-736,761 Reduced 32.32%	1,542,608 $80.8 Million
Q3 2023 Nov 13, 2023	SELL	$37.36 - $45.96 $284,197 - $349,617	-7,607 Reduced 0.33%	2,279,369 $104 Million
Q2 2023 Aug 11, 2023	SELL	$32.09 - $41.08 $4.11 Million - $5.26 Million	-128,100 Reduced 5.3%	2,286,976 $86.7 Million
Q1 2023 May 15, 2023	SELL	$31.41 - $44.97 $8.75 Million - $12.5 Million	-278,528 Reduced 10.34%	2,415,076 $91 Million
Q4 2022 Feb 13, 2023	BUY	$30.21 - $39.75 $2.12 Million - $2.79 Million	70,150 Added 2.67%	2,693,604 $85 Million
Q3 2022 Nov 14, 2022	BUY	$32.18 - $50.67 $10.7 Million - $16.8 Million	331,875 Added 14.48%	2,623,454 $85.4 Million
Q2 2022 Aug 11, 2022	BUY	$44.83 - $62.86 $10.4 Million - $14.6 Million	231,969 Added 11.26%	2,291,579 $103 Million
Q1 2022 May 11, 2022	BUY	$44.47 - $67.62 $2.21 Million - $3.36 Million	49,663 Added 2.47%	2,059,610 $102 Million
Q4 2021 Feb 11, 2022	BUY	$52.29 - $66.13 $11.1 Million - $14 Million	212,280 Added 11.81%	2,009,947 $131 Million
Q3 2021 Nov 12, 2021	BUY	$55.47 - $70.89 $12.1 Million - $15.5 Million	218,240 Added 13.82%	1,797,667 $101 Million
Q2 2021 Aug 10, 2021	SELL	$64.38 - $77.17 $518,902 - $621,990	-8,060 Reduced 0.51%	1,579,427 $112 Million
Q1 2021 May 14, 2021	BUY	$49.47 - $72.21 $1.05 Million - $1.53 Million	21,180 Added 1.35%	1,587,487 $106 Million
Q4 2020 Feb 08, 2021	BUY	$35.96 - $55.39 $9.26 Million - $14.3 Million	257,500 Added 19.67%	1,566,307 $86.8 Million
Q3 2020 Nov 13, 2020	BUY	$33.71 - $46.16 $24.2 Million - $33.1 Million	716,900 Added 121.12%	1,308,807 $47.8 Million
Q2 2020 Aug 13, 2020	BUY	$37.83 - $48.53 $3.96 Million - $5.08 Million	104,770 Added 21.51%	591,907 $26.1 Million
Q1 2020 May 14, 2020	SELL	$29.19 - $70.93 $10.5 Million - $25.5 Million	-359,949 Reduced 42.49%	487,137 $20.3 Million
Q4 2019 Feb 14, 2020	BUY	$47.39 - $63.47 $157,050 - $210,339	3,314 Added 0.39%	847,086 $53.8 Million
Q3 2019 Nov 13, 2019	SELL	$47.94 - $64.7 $9.63 Million - $13 Million	-200,864 Reduced 19.23%	843,772 $50.3 Million
Q2 2019 Aug 14, 2019	BUY	$36.24 - $55.39 $10.8 Million - $16.5 Million	298,256 Added 39.96%	1,044,636 $49.7 Million
Q1 2019 May 14, 2019	BUY	$35.65 - $52.61 $7.92 Million - $11.7 Million	222,050 Added 42.35%	746,380 $35.9 Million
Q4 2018 Feb 12, 2019	SELL	$35.06 - $58.36 $5.27 Million - $8.76 Million	-150,183 Reduced 22.27%	524,330 $19.4 Million
Q3 2018 Nov 13, 2018	SELL	$54.98 - $80.08 $2.61 Million - $3.8 Million	-47,413 Reduced 6.57%	674,513 $39.5 Million
Q2 2018 Aug 13, 2018	SELL	$76.77 - $92.51 $509,983 - $614,543	-6,643 Reduced 0.91%	721,926 $55.9 Million
Q1 2018 May 14, 2018	SELL	$80.09 - $106.45 $11.5 Million - $15.3 Million	-144,137 Reduced 16.52%	728,569 $67.2 Million
Q4 2017 Feb 13, 2018	SELL	$77.11 - $92.91 $15.2 Million - $18.3 Million	-197,137 Reduced 18.43%	872,706 $69.4 Million
Q3 2017 Nov 13, 2017	BUY	$79.19 - $90.56 $84.7 Million - $96.9 Million	1,069,843	1,069,843 $92.4 Million

Others Institutions Holding WDC

# of Institutions

1,108

Shares Held

313M

Call Options Held

18.4M

Put Options Held

22.1M

View Full List

About WESTERN DIGITAL CORP

Ticker WDC
Exchange NASDAQ
Sector Technology
Industry Computer Hardware
Shares Outstandng 317,555,008
Market Cap $50.1B
Description
Western Digital Corporation develops, manufactures, and sells data storage devices and solutions in the United States, China, Hong Kong, Europe, the Middle East, Africa, rest of Asia, and internationally. It offers client devices, including hard disk drives (HDDs) and solid state drives (SSDs) for computing devices, such as desktop and notebook ...

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Primecap Management CO Western Digital Corp Transaction History