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
Adage Capital Partners GP, L.L.C.	274,137	$18.3M	0.04%	–	–
S&T Bank	239,615	$18.0M	2.96%	–	–
D. E. Shaw & Co., Inc.	269,268	$18.0M	0.02%	–	–
Agf Investments Inc.	258,367	$17.2M	0.14%	–	–
Teachers Retirement System of the State of Kentucky	245,270	$16.4M	0.16%	–	–
Oregon Public Employees Retirement Fund	223,394	$14.9M	0.18%	–	–
Marshall Wace, LLP	222,912	$14.9M	0.08%	–	–
Voloridge Investment Management, LLC	222,646	$14.9M	0.11%	–	–
Guyasuta Investment Advisors Inc	220,228	$14.7M	1.15%	–	–
TD Asset Management Inc	215,233	$14.4M	0.02%	–	–
Maplelane Capital, LLC	215,000	$14.4M	1.04%	–	–
Woodline Partners LP	212,884	$14.2M	0.32%	–	–
Chevy Chase Trust Holdings, Inc.	205,436	$13.7M	0.05%	–	–
State of Wisconsin Investment Board	204,129	$13.6M	0.03%	–	–
HighTower Advisors, LLC	202,424	$13.5M	0.04%	–	–
Redwood Grove Capital, LLC	202,188	$13.5M	8.31%	–	–
Mitsubishi UFJ Trust & Banking Corp	205,734	$13.4M	0.03%	–	–
Zimmer Partners, LP	200,000	$13.3M	0.18%	–	–
BNP Paribas Arbitrage, SA	199,170	$13.3M	0.03%	–	–
Bank of Montreal	181,185	$13.2M	0.01%	–	–
Elemental Capital Partners LLC	196,260	$13.2M	11.08%	–	–
Twin Tree Management, LP	197,367	$13.2M	0.50%	–	–
LPL Financial LLC	193,933	$12.9M	0.01%	–	–
Great West Life Assurance Co	194,299	$12.9M	0.03%	–	–
Schroder Investment Management Group	182,373	$12.2M	0.02%	–	–
Toronto Dominion Bank	181,975	$12.1M	0.02%	–	–
AustralianSuper Pty Ltd	181,922	$12.1M	0.10%	–	–
State of New Jersey Common Pension Fund D	180,209	$12.0M	0.04%	–	–
DekaBank Deutsche Girozentrale	183,024	$12.0M	0.04%	–	–
Wolverine Trading, LLC	179,018	$11.7M	0.23%	–	–
Loews Corp	175,000	$11.7M	0.10%	–	–
Sprott Inc.	170,000	$11.3M	0.79%	–	–
Guggenheim Capital LLC	166,388	$11.1M	0.07%	–	–
Paloma Partners Management Co	166,187	$11.1M	0.33%	–	–
Public Employees Retirement System of Ohio	161,804	$10.8M	0.04%	–	–
AMP Capital Investors Ltd	161,517	$10.7M	0.05%	–	–
Bank of Nova Scotia	158,701	$10.6M	0.02%	–	–
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main	153,658	$10.3M	0.02%	–	–
Standard Life Aberdeen plc	151,678	$10.1M	0.02%	–	–
Braun Stacey Associates Inc	150,913	$10.1M	0.42%	–	–
Robeco Institutional Asset Management B.V.	150,179	$10.0M	0.02%	–	–
Jane Street Group, LLC	149,914	$10.0M	0.03%	–	–
Asset Management One Co.,Ltd.	149,495	$9.98M	0.04%	–	–
Hosking Partners LLP	148,425	$9.91M	0.23%	–	–
Caisse de Depot Et Placement du Quebec	144,857	$9.67M	0.02%	–	–
Skandinaviska Enskilda Banken AB (publ)	144,120	$9.62M	0.06%	–	–
Macquarie Group Ltd	143,868	$9.60M	0.01%	–	–
Robotti Robert	141,590	$9.45M	2.38%	–	–
Nordea Investment Management AB	142,441	$9.39M	0.01%	–	–
Impala Asset Management LLC	135,728	$9.06M	0.65%	–	–
Pictet Asset Management Ltd	129,254	$8.63M	0.01%	–	–
American International Group, Inc.	128,047	$8.55M	0.04%	–	–
Storebrand Asset Management AS	127,629	$8.52M	0.05%	–	–
Clearline Capital LP	125,868	$8.40M	1.46%	–	–
swisspartners Ltd.	124,838	$8.35M	6.78%	–	–
Zweig-DiMenna Associates LLC	124,500	$8.31M	0.59%	–	–
State of Alaska, Department of Revenue	123,508	$8.24M	0.09%	–	–
Artisan Partners Limited Partnership	123,363	$8.23M	0.01%	–	–
Permit Capital, LLC	122,600	$8.18M	2.79%	–	–
Voya Investment Management LLC	121,229	$8.09M	0.02%	–	–
Treasurer of the State of North Carolina	116,285	$7.76M	0.05%	–	–
AQR Capital Management LLC	116,750	$7.69M	0.01%	–	–
Healthcare of Ontario Pension Plan Trust Fund	114,900	$7.67M	0.02%	–	–
Retirement Systems of Alabama	114,169	$7.62M	0.03%	–	–
Aviva PLC	112,498	$7.51M	0.04%	–	–
McGuire Investment Group, LLC	111,727	$7.46M	1.57%	–	–
J. Goldman & Co LP	111,449	$7.44M	0.45%	–	–
Smith, Graham & Co., Investment Advisors, LP	110,382	$7.37M	0.60%	–	–
Envestnet Asset Management Inc	109,325	$7.30M	0.00%	–	–
Tairen Capital Ltd	109,118	$7.28M	0.83%	–	–
Royal London Asset Management Ltd	107,435	$7.17M	0.03%	–	–
Portolan Capital Management, LLC	105,522	$7.04M	0.55%	–	–
CloudAlpha Capital Management Limited/Hong Kong	102,000	$6.81M	1.67%	–	–
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund	101,966	$6.81M	0.06%	–	–
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.	99,141	$6.62M	0.04%	–	–
Nisa Investment Advisors, LLC	98,790	$6.59M	0.04%	–	–
swisspartners Advisors Ltd	94,908	$6.33M	5.62%	–	–
Olstein Capital Management, L.P.	94,000	$6.28M	0.88%	–	–
LMR Partners LLP	93,891	$6.27M	0.16%	–	–
Wellington Management Group LLP	91,751	$6.12M	0.00%	–	–
State of Michigan Retirement System	89,393	$5.97M	0.04%	–	–
Creative Planning	88,178	$5.89M	0.01%	–	–
Arizona State Retirement System	87,721	$5.86M	0.05%	–	–
Korea Investment CORP	84,900	$5.67M	0.02%	–	–
PFS Investments Inc.	83,570	$5.58M	0.14%	–	–
First American Trust, FSB	81,216	$5.42M	0.86%	–	–
Comerica Bank	75,710	$5.15M	0.03%	–	–
Mirae Asset Global Investments Co., Ltd.	73,686	$4.92M	0.02%	–	–
Graticule Asia Macro Advisors LLC	73,685	$4.92M	0.83%	–	–
Buckhead Capital Management LLC	73,490	$4.91M	1.14%	–	–
Handelsbanken Fonder AB	73,037	$4.88M	0.03%	–	–
MetLife Investment Management	72,942	$4.87M	0.04%	–	–
Point72 Hong Kong Ltd	72,300	$4.83M	0.39%	–	–
First Republic Investment Management, Inc.	72,133	$4.82M	0.02%	–	–
Andra AP-fonden	69,900	$4.67M	0.10%	–	–
Capital Fund Management S.A.	67,095	$4.48M	0.15%	–	–
Parallax Volatility Advisers, L.P.	66,928	$4.47M	0.04%	–	–
L & S Advisors Inc	66,449	$4.43M	0.50%	–	–
Nomura Asset Management Co Ltd	65,274	$4.36M	0.03%	–	–
Crestline Management, LP	64,000	$4.27M	0.55%	–	–