Western Digital Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

DB:WDC Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
01 Jun 26	Sell€1,184,921	Vidyadhara Gubbi	Individual	2,475	€478.76
28 May 26	Sell€340,142	Bruce Kiddoo	Individual	750	€453.52
04 May 26	Sell€1,770,673	Vidyadhara Gubbi	Individual	4,674	€378.83
06 Mar 26	Sell€1,875,163	Vidyadhara Gubbi	Individual	8,518	€220.14
04 Mar 26	Sell€2,358,800	Vidyadhara Gubbi	Individual	10,148	€232.70
04 Mar 26	Sell€1,978,618	Cynthia Tregillis	Individual	8,547	€231.50
06 Feb 26	Sell€1,552,415	Cynthia Tregillis	Individual	6,780	€228.97
05 Dec 25	Sell€3,200,482	Vidyadhara Gubbi	Individual	22,820	€144.88
04 Dec 25	Sell€274,541	Kimberly Alexy	Individual	2,000	€137.27
02 Dec 25	Sell€387,641	Cynthia Tregillis	Individual	2,801	€138.39
25 Nov 25	Sell€240,265	Roxanne Oulman	Individual	1,800	€133.48
25 Nov 25	Sell€235,352	Kimberly Alexy	Individual	1,768	€133.12
04 Sep 25	Sell€879,857	Vidyadhara Gubbi	Individual	11,343	€77.57

Insider Trading Volume

Insider Buying: WDC insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of WDC?
Owner Type	Number of Shares	Ownership Percentage
Private Companies	101,600	0.0295%
State or Government	401,120	0.116%
Individual Insiders	2,020,503	0.586%
General Public	19,400,188	5.63%
Institutions	322,758,720	93.6%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 63.2% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
9.56%	BlackRock, Inc.	32,955,634	€15.2b	-7.87%	0.17%
7.11%	Vanguard Capital Management, LLC	24,489,942	€11.3b	2.28%	0.17%
6.98%	FMR LLC	24,042,716	€11.1b	-20.3%	0.49%
6.18%	Capital Research and Management Company	21,314,565	€9.8b	39.9%	0.37%
4.72%	State Street Investment Management	16,276,615	€7.5b	5.24%	0.21%
3.8%	Vanguard Portfolio Management, LLC	13,109,474	€6.0b	-23.7%	0.28%
3.62%	JP Morgan Asset Management	12,476,059	€5.7b	-1.38%	0.49%
2.44%	Geode Capital Management, LLC	8,411,628	€3.9b	-11.2%	0.18%
2.06%	Invesco Capital Management LLC	7,115,557	€3.3b	-7.36%	0.47%
1.74%	UBS Asset Management AG	6,002,862	€2.8b	-15.3%	0.18%
1.67%	Columbia Management Investment Advisers, LLC	5,762,533	€2.7b	-32.4%	0.49%
1.65%	Managed Account Advisors LLC	5,691,734	€2.6b	-36.9%	0.36%
1.34%	Norges Bank Investment Management	4,629,232	€2.1b	1.11%	0.13%
1.09%	JPMorgan Chase & Co.	3,772,952	€1.7b	-10.8%	0.21%
1.06%	Northern Trust Global Investments	3,663,369	€1.7b	1.58%	0.19%
1.05%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	3,611,493	€1.7b	33.8%	0.34%
0.97%	AQR Capital Management, LLC	3,340,085	€1.5b	17.1%	0.63%
0.93%	The Goldman Sachs Group, Inc.	3,202,942	€1.5b	0%	0.4%
0.83%	BNY Asset Management	2,863,623	€1.3b	16.5%	0.22%
0.78%	D. E. Shaw & Co., L.P.	2,688,230	€1.2b	-52.9%	0.94%
0.77%	Fred Alger Management, LLC	2,659,835	€1.2b	-0.91%	4.18%
0.77%	T. Rowe Price Group, Inc.	2,646,484	€1.2b	1.33%	0.1%
0.72%	Dimensional Fund Advisors LP	2,487,022	€1.1b	-2.17%	0.13%
0.7%	Goldman Sachs Asset Management, L.P.	2,403,841	€1.1b	-25.1%	0.2%
0.64%	Charles Schwab Investment Management, Inc.	2,206,941	€1.0b	0%	0.12%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/08/16 06:05
End of Day Share Price	2026/08/14 00:00
Earnings	2026/07/03
Annual Earnings	2026/07/03

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Western Digital Corporation is covered by 50 analysts. 20 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
James Fontanelli	Arete Research Services LLP
James Kelleher	Argus Research Company
Tristan Gerra	Baird