Western Digital Corp
WDC- Exchange
- Nasdaq
- Industry
- Computer Storage Devices
- SEC CIK
- 0000106040
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, Q4 2021
Institutional positions in Western Digital Corp as of Dec 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
- 696
- +72 vs. Q3 2021
- Shares held
- 253.2M
- +3.96M (+1.6%) vs. Q3 2021
- Total value
- $16.5B
- +$2.43B (+17.2%) vs. Q3 2021
- New holders
- 148
- 232 more added
- Sold out
- 76
- 219 more reduced
10 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2021: new holders, sold out and not filed yet
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.
| 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, Q4 2021
Shares, value and share of portfolio for each institution holding Western Digital Corp; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Forsta Ap-Fonden | 72,100 | $4.70M | 0.05% | +2,100+3.0% | Added |
| Maplelane Capital, LLC | 77,001 | $5.02M | 0.43% | 00.0% | Unchanged |
| Calamos Advisors LLC | 80,215 | $5.23M | 0.02% | +3,091+4.0% | Added |
| Rafferty Asset Management, LLC | 81,954 | $5.34M | 0.03% | +16,872+25.9% | Added |
| Amalgamated Bank | 83,743 | $5.46M | 0.04% | −11,210−11.8% | Reduced |
| Arizona State Retirement System | 84,061 | $5.48M | 0.04% | −1,941−2.3% | Reduced |
| Granahan Investment Management Inc | 84,980 | $5.54M | 0.11% | +44,003+107.4% | Added |
| ProShare Advisors LLC | 86,206 | $5.62M | 0.01% | +21,971+34.2% | Added |
| Virginia Retirement Systems Et Al | 88,500 | $5.77M | 0.05% | 00.0% | Unchanged |
| First Republic Investment Management, Inc. | 88,549 | $5.77M | 0.01% | +3,943+4.7% | Added |
| DekaBank Deutsche Girozentrale | 89,447 | $5.91M | 0.01% | −42,865−32.4% | Reduced |
| Andra AP-fonden | 91,300 | $5.95M | 0.12% | +800+0.9% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 92,366 | $6.02M | 0.05% | −3,000−3.1% | Reduced |
| Marshall Wace, LLP | 93,030 | $6.07M | 0.01% | +86,812+1,396.1% | Added |
| Aviva PLC | 93,969 | $6.13M | 0.03% | −11,539−10.9% | Reduced |
| PFS Investments Inc. | 94,191 | $6.14M | 0.12% | −429−0.5% | Reduced |
| Simplex Trading, LLC | 96,373 | $6.28M | 0.21% | +96,273+96,273.0% | Added |
| Illinois Municipal Retirement Fund | 96,544 | $6.30M | 0.18% | +6,804+7.6% | Added |
| Pacer Advisors, Inc. | 94,296 | $6.47M | 0.07% | +78,501+497.0% | Added |
| Zweig-DiMenna Associates LLC | 100,000 | $6.52M | 0.53% | +100,000 | New |
| Polar Asset Management Partners Inc. | 102,289 | $6.67M | 0.08% | −2,336−2.2% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 102,725 | $6.72M | 0.01% | +101,924+12,724.6% | Added |
| Retirement Systems of Alabama | 103,256 | $6.73M | 0.02% | −1,982−1.9% | Reduced |
| Royal London Asset Management Ltd | 104,272 | $6.80M | 0.03% | −3,163−2.9% | Reduced |
| Clearline Capital LP | 105,484 | $6.88M | 0.94% | 00.0% | Unchanged |
| Smith, Graham & Co., Investment Advisors, LP | 107,649 | $7.02M | 0.70% | +7,616+7.6% | Added |
| Robeco Institutional Asset Management B.V. | 107,753 | $7.03M | 0.01% | −111,969−51.0% | Reduced |
| Olstein Capital Management, L.P. | 109,000 | $7.11M | 0.85% | +15,000+16.0% | Added |
| State of Michigan Retirement System | 110,043 | $7.18M | 0.04% | +22,850+26.2% | Added |
| Panview Asian Equity Master Fund | 111,700 | $7.28M | 11.63% | −28,300−20.2% | Reduced |
| American International Group, Inc. | 112,999 | $7.37M | 0.04% | +544+0.5% | Added |
| Nordea Investment Management AB | 112,247 | $7.38M | 0.01% | −9,381−7.7% | Reduced |
| Treasurer of the State of North Carolina | 113,184 | $7.38M | 0.04% | +2,610+2.4% | Added |
| Voya Investment Management LLC | 115,962 | $7.56M | 0.01% | −4,368−3.6% | Reduced |
| Rockefeller Capital Management L.P. | 120,847 | $7.88M | 0.04% | +3,069+2.6% | Added |
| Baader Bank INC | 121,936 | $7.95M | 0.63% | +121,936 | New |
| Macquarie Group Ltd | 122,997 | $8.02M | 0.01% | −21,816−15.1% | Reduced |
| SEI Investments Co | 123,915 | $8.08M | 0.02% | +90,378+269.5% | Added |
| Tegean Capital Management, LLC | 125,000 | $8.15M | 8.56% | +125,000 | New |
| swisspartners Ltd. | 124,401 | $8.22M | 5.82% | −1,615−1.3% | Reduced |
| State of Alaska, Department of Revenue | 128,208 | $8.36M | 0.08% | −17,410−12.0% | Reduced |
| Hosking Partners LLP | 129,352 | $8.44M | 0.20% | −2,496−1.9% | Reduced |
| TD Asset Management Inc | 129,564 | $8.45M | 0.01% | −45,943−26.2% | Reduced |
| Pictet Asset Management SA | 131,373 | $8.57M | 0.01% | −329−0.2% | Reduced |
| Standard Life Aberdeen plc | 132,069 | $8.61M | 0.02% | −7,640−5.5% | Reduced |
| Wolverine Trading, LLC | 133,922 | $8.75M | 0.12% | −115,101−46.2% | Reduced |
| Cna Financial Corp | 135,000 | $8.80M | 2.30% | +45,000+50.0% | Added |
| Permit Capital, LLC | 139,100 | $9.07M | 2.45% | +16,500+13.5% | Added |
| Robotti Robert | 140,216 | $9.14M | 1.85% | −2,662−1.9% | Reduced |
| swisspartners Advisors Ltd | 140,368 | $9.28M | 6.63% | +1,160+0.8% | Added |
| Storebrand Asset Management AS | 143,161 | $9.34M | 0.04% | +9,034+6.7% | Added |
| Asset Management One Co.,Ltd. | 141,608 | $9.36M | 0.03% | +1,900+1.4% | Added |
| Greenwood Capital Associates LLC | 146,456 | $9.55M | 1.35% | +27,768+23.4% | Added |
| Los Angeles Capital Management LLC | 148,528 | $9.69M | 0.04% | −327,733−68.8% | Reduced |
| ClariVest Asset Management LLC | 150,125 | $9.79M | 0.30% | +46,005+44.2% | Added |
| LPL Financial LLC | 153,111 | $9.98M | 0.01% | −796−0.5% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 151,646 | $10.0M | 0.04% | +23,176+18.0% | Added |
| Guggenheim Capital LLC | 155,574 | $10.1M | 0.05% | +16,194+11.6% | Added |
| Goodman Financial Corp | 157,084 | $10.2M | 2.69% | +4,473+2.9% | Added |
| Optimas Capital Ltd | 160,281 | $10.5M | 22.34% | +160,281 | New |
| Envestnet Asset Management Inc | 161,217 | $10.5M | 0.01% | +57,176+55.0% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 162,662 | $10.6M | 0.05% | −70,701−30.3% | Reduced |
| Crossmark Global Holdings, Inc. | 167,550 | $10.9M | 0.24% | −489−0.3% | Reduced |
| Sprott Inc. | 170,000 | $11.1M | 0.80% | 00.0% | Unchanged |
| Voloridge Investment Management, LLC | 170,276 | $11.1M | 0.06% | +31,529+22.7% | Added |
| Public Employees Retirement System of Ohio | 170,871 | $11.1M | 0.04% | −3,147−1.8% | Reduced |
| Jane Street Group, LLC | 174,764 | $11.4M | 0.02% | −356,125−67.1% | Reduced |
| Parallax Volatility Advisers, L.P. | 178,428 | $11.6M | 0.14% | −432,922−70.8% | Reduced |
| State of New Jersey Common Pension Fund D | 181,078 | $11.8M | 0.03% | −2,646−1.4% | Reduced |
| Shelton Capital Management | 182,116 | $11.9M | 0.42% | +83,100+83.9% | Added |
| HighTower Advisors, LLC | 183,256 | $12.0M | 0.03% | +16,651+10.0% | Added |
| Chevy Chase Trust Holdings, Inc. | 187,160 | $12.2M | 0.04% | −999−0.5% | Reduced |
| Twin Tree Management, LP | 190,581 | $12.4M | 0.30% | +33,986+21.7% | Added |
| Great West Life Assurance Co | 193,577 | $12.6M | 0.03% | +1,883+1.0% | Added |
| Elemental Capital Partners LLC | 195,630 | $13.0M | 11.17% | −2,310−1.2% | Reduced |
| Capital Fund Management S.A. | 203,264 | $13.3M | 0.35% | +174,815+614.5% | Added |
| Teachers Retirement System of the State of Kentucky | 203,446 | $13.3M | 0.12% | −19,924−8.9% | Reduced |
| BNP Paribas Arbitrage, SA | 205,668 | $13.4M | 0.03% | −66,691−24.5% | Reduced |
| National Bank of Canada | 206,322 | $13.5M | 0.06% | +206,322 | New |
| Kettle Hill Capital Management, LLC | 214,214 | $14.0M | 2.47% | +214,214 | New |
| Cinctive Capital Management LP | 221,314 | $14.4M | 0.68% | +164,318+288.3% | Added |
| Oregon Public Employees Retirement Fund | 222,833 | $14.5M | 0.16% | +27,084+13.8% | Added |
| State of Wisconsin Investment Board | 227,980 | $14.9M | 0.03% | −83,099−26.7% | Reduced |
| South Dakota Investment Council | 229,390 | $15.0M | 0.25% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 236,824 | $15.4M | 0.01% | −48,459−17.0% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 240,012 | $15.7M | 0.03% | −38,671−13.9% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 241,534 | $15.8M | 0.08% | −16,000−6.2% | Reduced |
| Guyasuta Investment Advisors Inc | 241,996 | $15.8M | 1.03% | +7,456+3.2% | Added |
| S&T Bank | 251,790 | $16.4M | 2.40% | +7,744+3.2% | Added |
| Verition Fund Management LLC | 252,137 | $16.4M | 0.21% | +235,279+1,395.7% | Added |
| Schroder Investment Management Group | 252,628 | $16.5M | 0.02% | −54,305−17.7% | Reduced |
| Ensign Peak Advisors, Inc | 256,500 | $16.7M | 0.03% | −102,233−28.5% | Reduced |
| Redwood Grove Capital, LLC | 260,993 | $17.0M | 7.98% | +23,492+9.9% | Added |
| Renaissance Technologies LLC | 265,933 | $17.3M | 0.02% | +265,933 | New |
| Toronto Dominion Bank | 273,515 | $17.8M | 0.02% | +18,172+7.1% | Added |
| Factory Mutual Insurance Co | 328,100 | $18.0M | 0.26% | −36,424−10.0% | Reduced |
| Swedbank AB | 296,068 | $19.4M | 0.03% | −1,363−0.5% | Reduced |
| Loews Corp | 300,000 | $19.6M | 0.17% | +100,000+50.0% | Added |
| HSBC Holdings PLC | 303,526 | $19.8M | 0.02% | −44,668−12.8% | Reduced |
| JPMorgan Chase & Co | 306,185 | $20.0M | 0.00% | +92,868+43.5% | Added |