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
Livforsakringsbolaget Skandia, Omsesidigt	61,260	$4.09M	0.28%	–	–
Forsta Ap-Fonden	61,200	$4.08M	0.06%	–	–
American Assets Investment Management, LLC	60,000	$4.00M	0.55%	–	–
Maytus Capital Management, LLC	60,000	$4.00M	1.34%	–	–
Alaska Permanent Fund Corp	59,400	$3.96M	0.07%	–	–
Illinois Municipal Retirement Fund	59,334	$3.96M	0.17%	–	–
Greenwood Capital Associates LLC	58,968	$3.94M	0.62%	–	–
Pinpoint Asset Management Ltd	58,500	$3.90M	1.04%	–	–
Utah Retirement Systems	58,465	$3.90M	0.05%	–	–
Quadrature Capital Ltd	58,360	$3.90M	0.19%	–	–
Thames Capital Management LLC	58,292	$3.89M	0.90%	–	–
Augustine Asset Management Inc	56,674	$3.78M	1.99%	–	–
Janney Montgomery Scott LLC	55,670	$3.72M	0.02%	–	–
Gulf International Bank (UK) Ltd	55,136	$3.68M	0.05%	–	–
Calamos Advisors LLC	54,433	$3.63M	0.02%	–	–
State of Tennessee, Treasury Department	54,428	$3.63M	0.01%	–	–
Rafferty Asset Management, LLC	54,319	$3.63M	0.03%	–	–
CIBC World Markets Corp	53,815	$3.59M	0.02%	–	–
ProShare Advisors LLC	53,805	$3.59M	0.01%	–	–
M&G Investment Management Ltd	53,137	$3.56M	0.03%	–	–
Thrivent Financial for Lutherans	52,626	$3.51M	0.01%	–	–
The PNC Financial Services Group, Inc.	52,508	$3.50M	0.00%	–	–
Mackay Shields LLC	52,249	$3.49M	0.03%	–	–
Cipher Capital LP	52,166	$3.48M	0.41%	–	–
Kestra Advisory Services, LLC	52,044	$3.47M	0.04%	–	–
Stephens Inc	51,507	$3.44M	0.06%	–	–
Cinctive Capital Management LP	51,500	$3.44M	0.22%	–	–
Chartwell Investment Partners, LLC	51,166	$3.42M	0.10%	–	–
Texas Permanent School Fund	51,113	$3.41M	0.04%	–	–
Quantitative Investment Management, LLC	50,958	$3.40M	0.29%	–	–
Raymond James Financial Services Advisors, Inc.	50,901	$3.40M	0.01%	–	–
British Columbia Investment Management Corp	49,814	$3.33M	0.02%	–	–
Qube Research & Technologies Ltd	49,499	$3.30M	0.05%	–	–
Mutual of America Capital Management LLC	48,649	$3.25M	0.03%	–	–
Eaton Vance Management	48,608	$3.25M	0.00%	–	–
Sound Income Strategies, LLC	48,223	$3.22M	0.55%	–	–
Simplex Trading, LLC	47,543	$3.17M	0.18%	–	–
Engineers Gate Manager LP	47,040	$3.14M	0.16%	–	–
Truist Financial Corp	46,955	$3.13M	0.01%	–	–
Penn Capital Management Co Inc	46,953	$3.13M	0.33%	–	–
USS Investment Management Ltd	45,515	$3.04M	0.03%	–	–
Cna Financial Corp	45,000	$3.00M	0.92%	–	–
Jeereddi Investments, LP	44,000	$2.94M	2.15%	–	–
Caxton Associates LP	43,700	$2.92M	0.28%	–	–
KBC Group NV	41,944	$2.80M	0.01%	–	–
Public Employees Retirement Association of Colorado	41,107	$2.74M	0.01%	–	–
Oppenheimer Asset Management Inc.	39,734	$2.65M	0.04%	–	–
Greenwich Wealth Management LLC	39,551	$2.64M	0.21%	–	–
Keybank National Association	38,391	$2.56M	0.01%	–	–
Commonwealth of Pennsylvania Public School Empls Retrmt Sys	38,283	$2.56M	0.03%	–	–
Cubist Systematic Strategies, LLC	37,957	$2.53M	0.03%	–	–
Metropolitan Life Insurance Co	37,775	$2.52M	0.04%	–	–
Taylor Wealth Management Partners	37,000	$2.47M	0.90%	–	–
Nissay Asset Management Corp	36,836	$2.46M	0.02%	–	–
IFM Investors Pty Ltd	34,530	$2.31M	0.06%	–	–
Teacher Retirement System of Texas	33,787	$2.25M	0.01%	–	–
Hartford Investment Management Co	33,496	$2.24M	0.06%	–	–
Westpac Banking Corp	33,167	$2.21M	0.02%	–	–
AlphaCrest Capital Management LLC	33,118	$2.21M	0.12%	–	–
Natixis Advisors, L.P.	32,279	$2.15M	0.01%	–	–
ING Groep NV	32,267	$2.15M	0.04%	–	–
Jefferies Group LLC	31,217	$2.08M	0.05%	–	–
Massachusetts Financial Services Co	30,718	$2.05M	0.00%	–	–
Selway Asset Management	30,500	$2.04M	1.19%	–	–
Cornercap Investment Counsel Inc	30,385	$2.03M	0.23%	–	–
Twinbeech Capital LP	30,150	$2.01M	0.29%	–	–
Arden Trust Co	29,987	$2.00M	0.34%	–	–
United Capital Financial Advisers, LLC	28,952	$1.93M	0.01%	–	–
Public Sector Pension Investment Board	28,945	$1.93M	0.01%	–	–
Sovarnum Capital L.P.	28,000	$1.87M	1.41%	–	–
Tudor Investment Corp Et Al	27,981	$1.87M	0.04%	–	–
Sumitomo Mitsui DS Asset Management Company, Ltd	27,007	$1.80M	0.05%	–	–
Advisors Asset Management, Inc.	26,837	$1.79M	0.03%	–	–
Banco Bilbao Vizcaya Argentaria, S.A.	26,458	$1.76M	0.03%	–	–
Ibex Investors LLC	26,400	$1.76M	0.67%	–	–
Commonwealth Equity Services, LLC	26,365	$1.76M	0.00%	–	–
Advisor Group Holdings, Inc.	26,269	$1.76M	0.00%	–	–
CIBC Asset Management Inc	26,222	$1.75M	0.01%	–	–
Securian Asset Management, Inc	25,946	$1.73M	0.04%	–	–
Vestmark Advisory Solutions, Inc.	25,741	$1.72M	0.15%	–	–
Quantitative Systematic Strategies LLC	25,701	$1.72M	0.27%	–	–
Banque Cantonale Vaudoise	25,581	$1.71M	0.09%	–	–
Shay Capital LLC	25,500	$1.70M	0.47%	–	–
Norinchukin Bank, The	25,461	$1.70M	0.02%	–	–
Cornerstone Investment Partners, LLC	25,280	$1.69M	0.09%	–	–
Pinnacle Associates Ltd	25,255	$1.69M	0.03%	–	–
BLB&B Advisors, LLC	25,090	$1.68M	0.13%	–	–
Tower Research Capital LLC (TRC)	25,099	$1.68M	0.03%	–	–
Boothbay Fund Management, LLC	24,873	$1.66M	0.09%	–	–
SG Americas Securities, LLC	24,232	$1.62M	0.01%	–	–
Prelude Capital Management, LLC	24,205	$1.62M	0.11%	–	–
Alerus Financial NA	23,762	$1.59M	0.17%	–	–
Maryland State Retirement & Pension System	23,276	$1.55M	0.05%	–	–
Venture Visionary Partners LLC	23,093	$1.54M	0.13%	–	–
CIBC World Markets Inc.	22,890	$1.53M	0.00%	–	–
Gotham Asset Management, LLC	22,866	$1.53M	0.07%	–	–
BNP PARIBAS ASSET MANAGEMENT Holding S.A.	22,683	$1.51M	0.01%	–	–
Clear Harbor Asset Management, LLC	22,585	$1.51M	0.20%	–	–
Boardman Bay Capital Management LLC	3,000	$1.50M	3.15%	–	–
Elo Mutual Pension Insurance Co	21,950	$1.47M	0.05%	–	–