Security record · archived quarter
WDC
Western Digital Corporation · Technology · Computer Hardware
176Tracked holders
+4Δ holders
311.56MShares held
$74.93BReported value
+5New positions
−2Exits
Momentum inputs (comparable managers):
holder breadth +2.3% ·
share flow +9.4% ·
net new positions +1.7%
· formula
Broad accumulation: rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 4 | 0 | 489.93K | $190.44M | n/a | −1 |
| Q2 2026 | 178 | +6 | 267.40M | $170.59B | +9 | −4 |
| Q1 2026 | 176 | +4 | 311.56M | $74.93B | +5 | −2 |
| Q4 2025 | 171 | +2 | 309.15M | $54.13B | +3 | n/a |
| Q3 2025 | 22 | -2 | 185.98M | $22.32B | +1 | −4 |
| Q2 2025 | 22 | +1 | 156.23M | $9.99B | +1 | n/a |
| Q1 2025 | 18 | -1 | 44.90M | $1.81B | +1 | −2 |
| Q4 2024 | 19 | +1 | 50.55M | $3.01B | +1 | n/a |
| Q3 2024 | 17 | +1 | 38.18M | $2.61B | +3 | −2 |
| Q2 2024 | 16 | n/a | 48.73M | $3.69B | n/a | n/a |
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 35.77M | +0.7% | $9.68B | 0.2% | ▲ Add | 4 | SEC ↗ ×26 |
| 2 | Fidelity (FMR) ✦ | 31.62M | -6.4% | $8.55B | 0.5% | ▼ Trim | 4 | SEC ↗ ×9 |
| 3 | Vanguard Capital Management Llc | 22.03M | n/a | $5.96B | 0.1% | n/c | 1 | SEC ↗ |
| 4 | JPMorgan Chase ✦ | 17.51M | +22.5% | $4.41B | 0.3% | ▲ Add | 3 | SEC ↗ ×21 |
| 5 | State Street Global Advisors ✦ (passive) | 15.47M | -1.5% | $4.18B | 0.1% | ▼ Trim | 6 | SEC ↗ ×2 |
| 6 | Invesco Ltd. | 12.65M | -3.7% | $3.42B | 0.3% | ▼ Trim | 2 | SEC ↗ ×22 |
| 7 | Capital World Investors ✦ | 11.88M | +1017.0% | $3.21B | 0.4% | ▲ Add | 2 | SEC ↗ ×2 |
| 8 | Geode Capital Management ✦ (passive) | 9.48M | +2.1% | $2.56B | 0.2% | ▲ Add | 8 | SEC ↗ ×2 |
| 9 | Bank Of America Corp /De/ | 8.49M | -29.5% | $2.30B | 0.2% | ▼ Trim | 2 | SEC ↗ ×8 |
| 10 | Morgan Stanley ✦ | 7.94M | -11.2% | $2.15B | 0.1% | ▼ Trim | 3 | SEC ↗ ×23 |
| 11 | Wcm Investment Management, Llc | 6.56M | -1.9% | $1.65B | 3.8% | ▼ Trim | 2 | SEC ↗ |
| 12 | Ameriprise Financial Inc | 5.76M | -32.4% | $1.56B | 0.4% | ▼ Trim | 2 | SEC ↗ ×8 |
| 13 | Goldman Sachs Group ✦ | 5.41M | +18.6% | $1.46B | 0.2% | ▲ Add | 3 | SEC ↗ ×5 |
| 14 | UBS Group AG | 4.18M | -8.1% | $1.13B | 0.2% | ▼ Trim | 2 | SEC ↗ ×6 |
| 15 | Northern Trust Corp | 3.61M | -1.8% | $975.54M | 0.1% | ▼ Trim | 2 | SEC ↗ ×12 |
| 16 | AQR Capital Management ✦ | 3.46M | +16.4% | $913.05M | 0.4% | ▲ Add | 8 | SEC ↗ ×12 |
| 17 | Capital Research Global Investors | 3.31M | New | $895.13M | 0.1% | New | 1 | SEC ↗ |
| 18 | Amundi | 3.06M | -49.0% | $827.39M | 0.2% | ▼ Trim | 2 | SEC ↗ ×4 |
| 19 | Nuveen, LLC | 2.96M | -35.1% | $800.45M | 0.2% | ▼ Trim | 2 | SEC ↗ ×4 |
| 20 | UBS AM, a distinct business unit of… | 2.90M | +3.3% | $785.16M | 0.2% | ▲ Add | 2 | SEC ↗ ×11 |
| 21 | D. E. Shaw & Co. ✦ | 2.69M | -52.9% | $727.14M | 0.6% | ▼ Trim | 8 | SEC ↗ ×4 |
| 22 | T. Rowe Price ✦ | 2.65M | +1.3% | $715.85M | 0.1% | ▲ Add | 8 | SEC ↗ ×2 |
| 23 | Bank of New York Mellon Corp | 3.00M | +14.3% | $682.10M | 0.1% | ▲ Add | 2 | SEC ↗ ×28 |
| 24 | Dimensional Fund Advisors Lp | 2.50M | -29.8% | $676.75M | 0.1% | ▼ Trim | 2 | SEC ↗ ×5 |
| 25 | Charles Schwab Investment… | 2.21M | -2.6% | $596.96M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 26 | Legal & General Group Plc | 2.13M | +4.7% | $575.92M | 0.1% | ▲ Add | 2 | SEC ↗ ×3 |
| 27 | Deutsche Bank Ag\ | 1.87M | -16.1% | $506.57M | 0.2% | ▼ Trim | 2 | SEC ↗ ×8 |
| 28 | Hsbc Holdings Plc | 1.55M | -39.1% | $417.00M | 0.2% | ▼ Trim | 2 | SEC ↗ ×6 |
| 29 | National Pension Service | 1.44M | -15.0% | $388.95M | 0.3% | ▼ Trim | 2 | SEC ↗ |
| 30 | Bank Of Montreal /Can/ | 1.41M | +36.3% | $380.05M | 0.2% | ▲ Add | 2 | SEC ↗ ×7 |
| 31 | Royal Bank Of Canada | 1.27M | -35.9% | $343.81M | 0.1% | ▼ Trim | 2 | SEC ↗ ×10 |
| 32 | Bnp Paribas Financial Markets | 1.19M | -15.0% | $321.60M | 0.2% | ▼ Trim | 2 | SEC ↗ ×2 |
| 33 | Bank Of Nova Scotia | 30.70M | +2619.5% | $315.73M | 0.6% | ▲ Add | 2 | SEC ↗ ×2 |
| 34 | Soroban Capital Partners LP | 1.15M | 0.0% | $310.06M | 2.2% | Held | 2 | SEC ↗ |
| 35 | Renaissance Technologies ✦ | 1.15M | +15.5% | $310.02M | 0.5% | ▲ Add | 7 | SEC ↗ |
| 36 | Barclays Plc | 1.05M | -31.2% | $284.02M | 0.1% | ▼ Trim | 2 | SEC ↗ ×6 |
| 37 | Wells Fargo & Company/Mn | 1.02M | +18.3% | $277.13M | 0.1% | ▲ Add | 2 | SEC ↗ ×8 |
| 38 | Swiss National Bank | 1.00M | +5.5% | $271.38M | 0.2% | ▲ Add | 2 | SEC ↗ |
| 39 | Robeco Institutional Asset… | 984.68K | -28.5% | $266.35M | 0.4% | ▼ Trim | 2 | SEC ↗ |
| 40 | Marshall Wace ✦ | 931.32K | +475.4% | $251.91M | 0.3% | ▲ Add | 8 | SEC ↗ ×3 |
| 41 | Nomura Asset Management… | 891.66K | -13.1% | $241.19M | 0.4% | ▼ Trim | 2 | SEC ↗ ×3 |
| 42 | Sumitomo Mitsui Trust Group, Inc. | 836.67K | -5.7% | $226.31M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 43 | DZ BANK AG Deutsche Zentral… | 827.67K | +99.1% | $223.88M | 0.2% | ▲ Add | 2 | SEC ↗ ×6 |
| 44 | Voya Investment Management Llc | 817.56K | +121.8% | $221.14M | 0.3% | ▲ Add | 2 | SEC ↗ ×3 |
| 45 | Mitsubishi UFJ Asset Management… | 796.98K | +6.1% | $215.58M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 46 | Holocene Advisors, LP | 761.89K | -18.5% | $206.08M | 0.5% | ▼ Trim | 2 | SEC ↗ |
| 47 | Envestnet Asset Management Inc | 701.35K | +18.2% | $189.71M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 48 | Principal Financial Group Inc | 676.04K | -31.9% | $182.87M | 0.1% | ▼ Trim | 2 | SEC ↗ ×3 |
| 49 | California Public Employees… | 671.72K | -15.9% | $181.69M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 50 | Point72 Asset Management ✦ | 623.94K | +249.0% | $168.77M | 0.3% | ▲ Add | 4 | SEC ↗ |
| 51 | Prudential Financial Inc | 616.64K | -39.5% | $166.80M | 0.2% | ▼ Trim | 2 | SEC ↗ ×2 |
| 52 | Balyasny Asset Management L.P. | 616.56K | +168.5% | $166.77M | 0.3% | ▲ Add | 2 | SEC ↗ |
| 53 | Rhumbline Advisers | 594.40K | -6.4% | $160.78M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 54 | PRIMECAP Management ✦ | 577.21K | -23.4% | $156.13M | 0.1% | ▼ Trim | 8 | SEC ↗ |
| 55 | Citigroup Inc | 572.49K | -57.9% | $154.85M | 0.1% | ▼ Trim | 2 | SEC ↗ ×3 |
| 56 | Susquehanna International Group, Llp | 568.83K | +143.2% | $153.86M | 0.2% | ▲ Add | 2 | SEC ↗ ×2 |
| 57 | California State Teachers… | 524.44K | -3.7% | $141.85M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 58 | Nomura Asset Management Co Ltd | 509.27K | -54.6% | $137.75M | 0.4% | ▼ Trim | 2 | SEC ↗ ×4 |
| 59 | ProShare Advisors LLC | 501.29K | -18.9% | $135.59M | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 60 | Sei Investments Co | 615.17K | +4.1% | $134.79M | 0.1% | ▲ Add | 2 | SEC ↗ ×3 |
| 61 | Victory Capital Management Inc | 497.01K | -15.4% | $134.44M | 0.1% | ▼ Trim | 2 | SEC ↗ ×2 |
| 62 | Alliancebernstein L.P. | 763.08K | -53.2% | $131.46M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 63 | Universal- Beteiligungs- und… | 473.87K | +23.4% | $127.70M | 0.2% | ▲ Add | 2 | SEC ↗ ×2 |
| 64 | Neuberger Berman Group LLC | 456.25K | +7.2% | $123.41M | 0.1% | ▲ Add | 2 | SEC ↗ ×2 |
| 65 | BNP Paribas Asset Management… | 2.77M | +1251.8% | $118.08M | 0.1% | ▲ Add | 2 | SEC ↗ ×6 |
| 66 | National Bank Of Canada /Fi/ | 434.73K | +58.9% | $117.59M | 0.1% | ▲ Add | 2 | SEC ↗ ×4 |
| 67 | Russell Investments Group, Ltd. | 401.68K | +17.5% | $107.48M | 0.1% | ▲ Add | 2 | SEC ↗ ×15 |
| 68 | LPL Financial LLC | 396.89K | +19.1% | $107.35M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 69 | Parnassus Investments, Llc | 396.80K | -24.2% | $107.33M | 0.3% | ▼ Trim | 2 | SEC ↗ |
| 70 | First Trust Advisors Lp | 369.89K | -41.0% | $100.05M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 71 | Gotham Asset Management ✦ | 367.77K | -27.4% | $99.48M | 0.3% | ▼ Trim | 8 | SEC ↗ |
| 72 | Nordea Investment Management Ab | 380.37K | +287.9% | $99.04M | 0.1% | ▲ Add | 2 | SEC ↗ ×3 |
| 73 | Korea Investment CORP | 365.41K | -1.4% | $98.84M | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 74 | Mackenzie Financial Corp | 362.56K | -28.0% | $98.07M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 75 | Caisse De Depot Et Placement Du… | 358.43K | -39.6% | $96.95M | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 76 | Storebrand Asset Management As | 356.95K | -9.6% | $96.55M | 0.3% | ▼ Trim | 2 | SEC ↗ |
| 77 | Quantinno Capital Management LP | 338.63K | -9.3% | $91.60M | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 78 | Canada Pension Plan Investment Board | 334.01K | -12.6% | $90.35M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 79 | Danske Bank A/S | 323.91K | -4.9% | $87.61M | 0.2% | ▼ Trim | 2 | SEC ↗ ×3 |
| 80 | PFA Pension, Forsikringsaktieselskab | 318.65K | +13.8% | $86.19M | 0.3% | ▲ Add | 2 | SEC ↗ |
| 81 | Raymond James Financial Inc | 310.10K | -7.9% | $83.85M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 82 | Aviva Plc | 307.99K | +0.9% | $83.31M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 83 | State Board Of Administration Of… | 301.00K | -0.9% | $81.42M | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 84 | Adage Capital Partners ✦ | 293.74K | +13.6% | $79.45M | 0.1% | ▲ Add | 8 | SEC ↗ |
| 85 | Healthcare Of Ontario Pension Plan… | 293.16K | +99.2% | $79.30M | 0.1% | ▲ Add | 2 | SEC ↗ ×2 |
| 86 | Franklin Resources Inc | 282.59K | -20.8% | $76.44M | 0.0% | ▼ Trim | 2 | SEC ↗ ×13 |
| 87 | Millennium Management ✦ | 277.65K | -12.5% | $75.10M | 0.1% | ▼ Trim | 8 | SEC ↗ ×2 |
| 88 | Connor, Clark & Lunn Investment… | 275.54K | +19.6% | $74.53M | 0.2% | ▲ Add | 2 | SEC ↗ |
| 89 | Citadel Advisors ✦ | 265.87K | -79.8% | $71.91M | 0.1% | ▼ Trim | 8 | SEC ↗ ×3 |
| 90 | Schroder Investment Management Group | 265.09K | n/a | $71.70M | 0.1% | n/c | 1 | SEC ↗ ×2 |
| 91 | Aberdeen Group plc | 262.33K | -3.7% | $70.96M | 0.1% | ▼ Trim | 2 | SEC ↗ ×2 |
| 92 | Squarepoint Ops LLC | 258.10K | -50.6% | $69.81M | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 93 | Bridgewater Associates ✦ | 249.04K | +244.3% | $67.36M | 0.3% | ▲ Add | 3 | SEC ↗ |
| 94 | Assetmark, Inc | 239.01K | -11.4% | $64.65M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 95 | Hrt Financial Lp | 229.93K | +237.1% | $62.19M | 0.2% | ▲ Add | 2 | SEC ↗ ×2 |
| 96 | Mirae Asset Global Investments Co.… | 227.96K | +23.7% | $61.66M | 0.2% | ▲ Add | 2 | SEC ↗ ×2 |
| 97 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 222.27K | -1.4% | $60.12M | 0.1% | ▼ Trim | 2 | SEC ↗ ×2 |
| 98 | State Of Wisconsin Investment Board | 222.13K | -2.1% | $60.08M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 99 | Royal London Asset Management Ltd | 219.46K | +27.9% | $59.36M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 100 | Jones Financial Companies Lllp | 212.49K | +1356.3% | $58.50M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Capital Research Global… | $895.13M | 0.1% |
Exited
| Norges Bank | $788.73M | was 0.1% |
| Group One Trading Llc | $11.85M | was 0.4% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1,400 holders, 309.91M shares, $81.45B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Sep 04
Gubbi Vidyadhara K
Officer · 1.79K sh · $825,472
Sep 04
Tregillis Cynthia L
Officer · 432 sh · $194,918
Aug 27
Tregillis Cynthia L
Officer · 1.01K sh · $481,709
Aug 26
Tregillis Cynthia L
Officer · 476 sh · $214,571
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Aug 06
SC 13G/A: FMR LLC
Jul 31
SC 13G/A: VANGUARD PORTFOLIO MANAGEMENT LLC
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q1 2026 ·
Methodology ·
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