Western Digital Corp

WDC

Exchange: Nasdaq
Industry: Computer Storage Devices
SEC CIK: 0000106040

SEC filings (opens in a new tab)

In the last 90 days, Western Digital Corp insiders filed 0 open-market purchases and 9 sales; 1,852 institutions reported holding it in 13F filings for Q2 2026, worth $206.3B in total; Maverick Capital is the only superinvestor holding it.

13F holders, Q1 2021

Institutional positions in Western Digital Corp as of Mar 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders: 672; No complete 13F data for Q4 2020
Shares held: 243.7M; No complete 13F data for Q4 2020
Total value: $16.3B; No complete 13F data for Q4 2020

Holders and value by quarter

Institutions reporting WDC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2021: 672 institutions

Value heldQ1 2021: $16.3B

Institutions holding WDC and their total value by quarter
Quarter	Holders	Value
Q2 2026	1,852	$206.3B
Q1 2026	1,422	$90.0B
Q4 2025	1,175	$58.9B
Q3 2025	961	$41.5B
Q2 2025	750	$23.4B
Q1 2025	662	$14.4B
Q4 2024	711	$20.1B
Q3 2024	698	$22.1B
Q2 2024	759	$25.4B
Q1 2024	683	$20.7B
Q4 2023	610	$15.8B
Q3 2023	543	$12.7B
Q2 2023	538	$10.2B
Q1 2023	540	$10.2B
Q4 2022	529	$8.72B
Q3 2022	579	$8.97B
Q2 2022	632	$12.0B
Q1 2022	649	$12.5B
Q4 2021	696	$16.5B
Q3 2021	634	$14.1B
Q2 2021	686	$17.6B
Q1 2021	672	$16.3B

Institutions, Q1 2021

Shares, value and share of portfolio for each institution holding Western Digital Corp.

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding WDC in Q1 2021
Institution	Shares	Value	% of portfolio	Change in shares	Action
Sumitomo Mitsui DS Asset Management Company, Ltd	27,007	$1.80M	0.05%	–	–
Tudor Investment Corp Et Al	27,981	$1.87M	0.04%	–	–
Sovarnum Capital L.P.	28,000	$1.87M	1.41%	–	–
Public Sector Pension Investment Board	28,945	$1.93M	0.01%	–	–
United Capital Financial Advisers, LLC	28,952	$1.93M	0.01%	–	–
Arden Trust Co	29,987	$2.00M	0.34%	–	–
Twinbeech Capital LP	30,150	$2.01M	0.29%	–	–
Cornercap Investment Counsel Inc	30,385	$2.03M	0.23%	–	–
Selway Asset Management	30,500	$2.04M	1.19%	–	–
Massachusetts Financial Services Co	30,718	$2.05M	0.00%	–	–
Jefferies Group LLC	31,217	$2.08M	0.05%	–	–
Natixis Advisors, L.P.	32,279	$2.15M	0.01%	–	–
ING Groep NV	32,267	$2.15M	0.04%	–	–
AlphaCrest Capital Management LLC	33,118	$2.21M	0.12%	–	–
Westpac Banking Corp	33,167	$2.21M	0.02%	–	–
Hartford Investment Management Co	33,496	$2.24M	0.06%	–	–
Teacher Retirement System of Texas	33,787	$2.25M	0.01%	–	–
IFM Investors Pty Ltd	34,530	$2.31M	0.06%	–	–
Nissay Asset Management Corp	36,836	$2.46M	0.02%	–	–
Taylor Wealth Management Partners	37,000	$2.47M	0.90%	–	–
Metropolitan Life Insurance Co	37,775	$2.52M	0.04%	–	–
Cubist Systematic Strategies, LLC	37,957	$2.53M	0.03%	–	–
Commonwealth of Pennsylvania Public School Empls Retrmt Sys	38,283	$2.56M	0.03%	–	–
Keybank National Association	38,391	$2.56M	0.01%	–	–
Greenwich Wealth Management LLC	39,551	$2.64M	0.21%	–	–
Oppenheimer Asset Management Inc.	39,734	$2.65M	0.04%	–	–
Public Employees Retirement Association of Colorado	41,107	$2.74M	0.01%	–	–
KBC Group NV	41,944	$2.80M	0.01%	–	–
Caxton Associates LP	43,700	$2.92M	0.28%	–	–
Jeereddi Investments, LP	44,000	$2.94M	2.15%	–	–
Cna Financial Corp	45,000	$3.00M	0.92%	–	–
USS Investment Management Ltd	45,515	$3.04M	0.03%	–	–
Truist Financial Corp	46,955	$3.13M	0.01%	–	–
Penn Capital Management Co Inc	46,953	$3.13M	0.33%	–	–
Engineers Gate Manager LP	47,040	$3.14M	0.16%	–	–
Simplex Trading, LLC	47,543	$3.17M	0.18%	–	–
Sound Income Strategies, LLC	48,223	$3.22M	0.55%	–	–
Eaton Vance Management	48,608	$3.25M	0.00%	–	–
Mutual of America Capital Management LLC	48,649	$3.25M	0.03%	–	–
Qube Research & Technologies Ltd	49,499	$3.30M	0.05%	–	–
British Columbia Investment Management Corp	49,814	$3.33M	0.02%	–	–
Raymond James Financial Services Advisors, Inc.	50,901	$3.40M	0.01%	–	–
Quantitative Investment Management, LLC	50,958	$3.40M	0.29%	–	–
Texas Permanent School Fund	51,113	$3.41M	0.04%	–	–
Chartwell Investment Partners, LLC	51,166	$3.42M	0.10%	–	–
Stephens Inc	51,507	$3.44M	0.06%	–	–
Cinctive Capital Management LP	51,500	$3.44M	0.22%	–	–
Kestra Advisory Services, LLC	52,044	$3.47M	0.04%	–	–
Cipher Capital LP	52,166	$3.48M	0.41%	–	–
Mackay Shields LLC	52,249	$3.49M	0.03%	–	–
The PNC Financial Services Group, Inc.	52,508	$3.50M	0.00%	–	–
Thrivent Financial for Lutherans	52,626	$3.51M	0.01%	–	–
M&G Investment Management Ltd	53,137	$3.56M	0.03%	–	–
ProShare Advisors LLC	53,805	$3.59M	0.01%	–	–
CIBC World Markets Corp	53,815	$3.59M	0.02%	–	–
Rafferty Asset Management, LLC	54,319	$3.63M	0.03%	–	–
Calamos Advisors LLC	54,433	$3.63M	0.02%	–	–
State of Tennessee, Treasury Department	54,428	$3.63M	0.01%	–	–
Gulf International Bank (UK) Ltd	55,136	$3.68M	0.05%	–	–
Janney Montgomery Scott LLC	55,670	$3.72M	0.02%	–	–
Augustine Asset Management Inc	56,674	$3.78M	1.99%	–	–
Thames Capital Management LLC	58,292	$3.89M	0.90%	–	–
Quadrature Capital Ltd	58,360	$3.90M	0.19%	–	–
Utah Retirement Systems	58,465	$3.90M	0.05%	–	–
Pinpoint Asset Management Ltd	58,500	$3.90M	1.04%	–	–
Greenwood Capital Associates LLC	58,968	$3.94M	0.62%	–	–
Illinois Municipal Retirement Fund	59,334	$3.96M	0.17%	–	–
Alaska Permanent Fund Corp	59,400	$3.96M	0.07%	–	–
American Assets Investment Management, LLC	60,000	$4.00M	0.55%	–	–
Maytus Capital Management, LLC	60,000	$4.00M	1.34%	–	–
Forsta Ap-Fonden	61,200	$4.08M	0.06%	–	–
Livforsakringsbolaget Skandia, Omsesidigt	61,260	$4.09M	0.28%	–	–
Crestline Management, LP	64,000	$4.27M	0.55%	–	–
Nomura Asset Management Co Ltd	65,274	$4.36M	0.03%	–	–
L & S Advisors Inc	66,449	$4.43M	0.50%	–	–
Parallax Volatility Advisers, L.P.	66,928	$4.47M	0.04%	–	–
Capital Fund Management S.A.	67,095	$4.48M	0.15%	–	–
Andra AP-fonden	69,900	$4.67M	0.10%	–	–
First Republic Investment Management, Inc.	72,133	$4.82M	0.02%	–	–
Point72 Hong Kong Ltd	72,300	$4.83M	0.39%	–	–
MetLife Investment Management	72,942	$4.87M	0.04%	–	–
Handelsbanken Fonder AB	73,037	$4.88M	0.03%	–	–
Buckhead Capital Management LLC	73,490	$4.91M	1.14%	–	–
Mirae Asset Global Investments Co., Ltd.	73,686	$4.92M	0.02%	–	–
Graticule Asia Macro Advisors LLC	73,685	$4.92M	0.83%	–	–
Comerica Bank	75,710	$5.15M	0.03%	–	–
First American Trust, FSB	81,216	$5.42M	0.86%	–	–
PFS Investments Inc.	83,570	$5.58M	0.14%	–	–
Korea Investment CORP	84,900	$5.67M	0.02%	–	–
Arizona State Retirement System	87,721	$5.86M	0.05%	–	–
Creative Planning	88,178	$5.89M	0.01%	–	–
State of Michigan Retirement System	89,393	$5.97M	0.04%	–	–
Wellington Management Group LLP	91,751	$6.12M	0.00%	–	–
LMR Partners LLP	93,891	$6.27M	0.16%	–	–
Olstein Capital Management, L.P.	94,000	$6.28M	0.88%	–	–
swisspartners Advisors Ltd	94,908	$6.33M	5.62%	–	–
Nisa Investment Advisors, LLC	98,790	$6.59M	0.04%	–	–
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.	99,141	$6.62M	0.04%	–	–
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund	101,966	$6.81M	0.06%	–	–
CloudAlpha Capital Management Limited/Hong Kong	102,000	$6.81M	1.67%	–	–