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WDC

Western Digital Corp
$555.55 -27.04 (-4.64%) At close · Jul 13
Market Cap
$191.49B
Shares
344,682,131

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

The Jun 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out.
Holders: 1,458
Total Value: $93,784,668,691
Total Shares: 345,160,389
Showing 1–100 of 1,539 holdings by value · page 1 of 16

Institutional Ownership Trend

26 quarters

Superinvestors Holding WDC

All superinvestors →
Joel Greenblatt $99,477,566 Ray Dalio $67,362,559

Holder Concentration

Across 1,416 13F filers
Top Holder
10.4%
Jun 2023 → Mar 2026 · range 10.4% – 13.4%
of institutional value
Top 5
35.5%
Jun 2023 → Mar 2026 · range 32.5% – 39.9%
of institutional value
Top 10
49.2%
Jun 2023 → Mar 2026 · range 45.6% – 52.5%
of institutional value
HHI
355
Jun 2023 → Mar 2026 · range 313 – 442
Broadly held
Showing 100 of 1,539
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $9,675,216,848 10.32% 35,769,222
Mega FMR LLC $8,553,818,331 9.12% 31,623,418
Mega VANGUARD CAPITAL MANAGEMENT LLC $5,960,209,551 6.36% 22,034,861
Mega JPMORGAN CHASE & CO $4,736,860,905 5.05% 17,512,148
Mega STATE STREET CORP $4,183,335,045 4.46% 15,465,766
Mega Capital World Investors $3,213,431,478 3.43% 11,880,038
Mega GEODE CAPITAL MANAGEMENT, LLC $2,563,488,098 2.73% 9,477,201
Mega BANK OF AMERICA CORP /DE/ Bank $2,296,355,145 2.45% 8,489,612
Mega MORGAN STANLEY $2,147,448,770 2.29% 7,939,106
Mega JANE STREET GROUP, LLC $1,841,874,606 1.96% 6,809,400
Large WCM INVESTMENT MANAGEMENT, LLC $1,774,903,986 1.89% 6,561,810
Mega AMERIPRISE FINANCIAL INC $1,558,707,547 1.66% 5,762,533
Mega Invesco Ltd. $1,496,043,394 1.60% 5,530,864
Mega GOLDMAN SACHS GROUP INC $1,462,507,779 1.56% 5,406,883
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $1,220,315,635 1.30% 4,511,500
Mega UBS Group AG $1,131,311,981 1.21% 4,182,454
Mega WELLS FARGO & COMPANY/MN $1,083,501,793 1.16% 4,005,700
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $1,083,123,107 1.15% 4,004,300
Mega NORTHERN TRUST CORP Bank $975,539,218 1.04% 3,606,563
Mega CITADEL ADVISORS LLC $962,457,518 1.03% 3,558,200
Mega AQR CAPITAL MANAGEMENT LLC $935,777,730 1.00% 3,459,565
Mega Capital Research Global Investors $895,220,466 0.95% 3,309,625
Mega Amundi $827,392,933 0.88% 3,058,867
Mega Nuveen, LLC $800,446,179 0.85% 2,959,245
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $785,164,301 0.84% 2,902,748
Mega D. E. Shaw & Co., Inc. $727,139,332 0.78% 2,688,230
Large FRED ALGER MANAGEMENT, LLC $719,458,769 0.77% 2,659,835
Mega PRICE T ROWE ASSOCIATES INC /MD/ $715,847,457 0.76% 2,646,484
Mega Bank of New York Mellon Corp Bank $678,592,314 0.72% 2,508,752
Mega DIMENSIONAL FUND ADVISORS LP $677,123,295 0.72% 2,503,321
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $596,955,471 0.64% 2,206,941
Mega Legal & General Group Plc $575,919,192 0.61% 2,129,170
Mega CITADEL ADVISORS LLC $547,444,711 0.58% 2,023,900
Mega VANGUARD FIDUCIARY TRUST CO Bank $516,182,829 0.55% 1,908,325
Mega DEUTSCHE BANK AG\ Bank $506,572,586 0.54% 1,872,796
Mega HSBC HOLDINGS PLC $417,952,219 0.45% 1,545,167
Mega National Pension Service Pension $388,954,341 0.41% 1,437,962
Mega BANK OF MONTREAL /CAN/ Bank $380,049,807 0.41% 1,405,042
Mid Maple Rock Capital Partners Inc. $378,803,392 0.40% 1,400,434
Large AMF Tjanstepension AB Pension $371,628,915 0.40% 1,373,910
Mega JANE STREET GROUP, LLC $369,191,801 0.39% 1,364,900
Large Value Aligned Research Advisors, LLC $350,403,295 0.37% 1,295,439
Mega ROYAL BANK OF CANADA Bank $343,812,802 0.37% 1,271,074
Mega BNP PARIBAS ARBITRAGE, SA $321,600,708 0.34% 1,188,956
Large Soroban Capital Partners LP $310,055,383 0.33% 1,146,273
Large RENAISSANCE TECHNOLOGIES LLC $310,017,515 0.33% 1,146,133
Mega D. E. Shaw & Co., Inc. $304,355,348 0.32% 1,125,200
Mega BARCLAYS PLC $284,023,424 0.30% 1,050,033
Mega WELLS FARGO & COMPANY/MN $277,129,175 0.30% 1,024,545
Mega Swiss National Bank Bank $271,384,510 0.29% 1,003,307
Large Robeco Institutional Asset Management B.V. $266,347,445 0.28% 984,685
Large Polar Capital Holdings Plc $263,033,131 0.28% 972,432
Large MARSHALL WACE, LLP $251,913,557 0.27% 931,323
Large NOMURA ASSET MANAGEMENT INTERNATIONAL INC. $241,185,653 0.26% 891,662
Mid Castle Hook Partners LP $237,744,210 0.25% 878,939
Large Walleye Trading LLC $236,949,240 0.25% 876,000
Mega Sumitomo Mitsui Trust Group, Inc. $226,309,786 0.24% 836,666
Mega DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main Bank $223,875,916 0.24% 827,668
Large VOYA INVESTMENT MANAGEMENT LLC $221,142,885 0.24% 817,564
Mid WT Asset Management Ltd $220,911,076 0.24% 816,707
Large Walleye Trading LLC $219,475,586 0.23% 811,400
Mega Mitsubishi UFJ Asset Management Co., Ltd. $215,575,931 0.23% 796,983
Mega ALLIANCEBERNSTEIN L.P. $206,405,509 0.22% 763,080
Large Holocene Advisors, LP $206,082,544 0.22% 761,886
Mega Vanguard Global Advisers, LLC $201,557,246 0.21% 745,156
Mid Anther Capital Ltd $192,695,723 0.21% 712,395
Mega ENVESTNET ASSET MANAGEMENT INC $189,708,702 0.20% 701,352
Mega PRINCIPAL FINANCIAL GROUP INC $182,862,599 0.19% 676,042
Mega California Public Employees Retirement System Pension $181,692,731 0.19% 671,717
Large Clal Insurance Enterprises Holdings Ltd Insurance $175,345,142 0.19% 648,250
Large ACADIAN ASSET MANAGEMENT LLC $170,377,864 0.18% 629,886
Large Point72 Asset Management, L.P. $168,770,612 0.18% 623,944
Large PRUDENTIAL FINANCIAL INC $166,796,035 0.18% 616,644
Large Balyasny Asset Management L.P. $166,773,043 0.18% 616,559
Mega RHUMBLINE ADVISERS $160,780,608 0.17% 594,405
Mega VANGUARD ASSET MANAGEMENT, Ltd $159,154,152 0.17% 588,392
Mid Jericho Capital Asset Management L.P. $157,306,705 0.17% 581,562
Mega PRIMECAP MANAGEMENT CO/CA/ $156,129,532 0.17% 577,210
Mega CITIGROUP INC $154,853,631 0.17% 572,493
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $153,862,285 0.16% 568,828
Large Handelsbanken Fonder AB $147,274,780 0.16% 230,578
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $141,854,693 0.15% 524,436
Large NOMURA ASSET MANAGEMENT CO LTD $137,751,629 0.15% 509,267
Large ProShare Advisors LLC $135,594,473 0.14% 501,292
Mega VICTORY CAPITAL MANAGEMENT INC $134,435,964 0.14% 497,009
Large SEI INVESTMENTS CO $133,939,614 0.14% 495,174
Large Universal- Beteiligungs- und Servicegesellschaft mbH $128,178,178 0.14% 473,874
Mega NEUBERGER BERMAN GROUP LLC $123,409,709 0.13% 456,245
Large Cardano Risk Management B.V. $120,037,843 0.13% 187,935
Large NATIONAL BANK OF CANADA /FI/ Bank $117,590,386 0.13% 434,731
Large NATIXIS ADVISORS, LLC $114,675,046 0.12% 423,953
Mid Whale Rock Capital Management LLC $111,443,502 0.12% 412,006
Large Employees Provident Fund Board $109,593,621 0.12% 405,167
Large Russell Investments Group, Ltd. $108,649,063 0.12% 401,675
Mega LPL Financial LLC $107,353,694 0.11% 396,886
Large PARNASSUS INVESTMENTS, LLC $107,330,972 0.11% 396,802
Mega UBS Group AG $105,841,114 0.11% 391,294
Mega NORDEA INVESTMENT MANAGEMENT AB $102,886,551 0.11% 380,371
Large BNP PARIBAS ASSET MANAGEMENT Holding S.A. $101,052,627 0.11% 373,591
Mega FIRST TRUST ADVISORS LP $100,051,275 0.11% 369,889
Key facts CIK 106040 CUSIP 958102105 13F (30d) 152 filings 129 filers Visit website Investor relations

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