WDCNasdaqComputer Storage DevicesFiscal year ends July 3
WESTERN DIGITAL CORP
Financials through Q4 FY2026, quarter ended Jul 3, 2026Last filing: 10-K on Aug 14, 2026
$352.21+20.21 (+6.09%)
Close on Oct 19, 2026
- Market cap
- $137.01B
- P/E (TTM)
- 14.5
- Dividend yield
- 0.14%
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
89.7%
323M of 361M shares
Institutional holders
1,846
535 new, 88 sold out
Net institutional buying
-11M
In Q2 2026
Insider trades, 12 months
0 buys · 224 sales
Net sold $74.95M
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| BlackRock, Inc. | 27,712,800 | 8.50% | 13G (passive) amendment | Dec 31, 2023 |
| Abigail P. Johnson | 26,361,315 | 7.20% | 13G (passive) amendment | Jun 30, 2026 |
| Vanguard Capital Management | 25,402,917 | 7.49% | 13G (passive) | Mar 31, 2026 |
| FMR LLC | 24,405,724 | 7.00% | 13G (passive) amendment | Sep 30, 2025 |
| JPMorgan Chase & Co. | 18,496,725 | 5.30% | 13G (passive) amendment | Mar 31, 2025 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of WDC | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| BlackRock, Inc. | 32,953,613 | 9.14% | $21.05B | −2,815,609 | 0.31% |
| FMR LLC | 25,983,645 | 7.21% | $16.60B | −5,639,773 | 0.72% |
| Vanguard Capital Management LLC | 22,510,811 | 6.24% | $14.38B | +475,950 | 0.31% |
| JPMorgan Chase & Co | 17,007,789 | 4.72% | $11.09B | −504,359 | 0.61% |
| Capital World Investors | 16,598,211 | 4.60% | $10.60B | +4,718,173 | 1.25% |
| State Street Corp | 16,276,615 | 4.51% | $10.40B | +810,849 | 0.31% |
| Invesco Ltd. | 14,435,741 | 4.00% | $9.22B | +1,789,320 | 0.73% |
| Vanguard Portfolio Management LLC | 13,109,474 | 3.64% | $8.37B | −4,063,179 | 0.38% |
| Geode Capital Management, LLC | 8,411,628 | 2.33% | $5.35B | −1,065,573 | 0.29% |
| Morgan Stanley | 8,148,144 | 2.26% | $5.20B | +209,038 | 0.28% |
| Bank Of America Corp /De/ | 6,489,630 | 1.80% | $4.15B | −1,999,982 | 0.27% |
| Goldman Sachs Group Inc | 5,178,993 | 1.44% | $3.31B | −227,890 | 0.29% |
| UBS Asset Management Americas Inc | 4,744,377 | 1.32% | $3.03B | +1,841,629 | 0.55% |
| Norges Bank | 4,629,232 | 1.28% | $2.96B | New | 0.29% |
| Nuveen, LLC | 3,819,103 | 1.06% | $2.44B | +859,858 | 0.58% |
| Northern Trust Corp | 3,663,369 | 1.02% | $2.34B | +56,806 | 0.27% |
| Ameriprise Financial Inc | 3,386,190 | 0.94% | $2.16B | −2,376,343 | 0.44% |
| Aqr Capital Management LLC | 2,940,948 | 0.82% | $1.88B | −518,617 | 0.65% |
| Bank of New York Mellon Corp | 2,916,885 | 0.81% | $1.86B | +408,133 | 0.31% |
| Capital Research Global Investors | 2,816,570 | 0.78% | $1.80B | −493,055 | 0.25% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 1,846 | 323M | 89.7% | 535 / 597 | 599 / 88 | 37M | 48M |
| Q1 2026 | 1,419 | 335M | 92.9% | 363 / 447 | 491 / 103 | 81M | 46M |
| Q4 2025 | 1,173 | 343M | 95.2% | 307 / 405 | 362 / 71 | 51M | 66M |
| Q3 2025 | 961 | 359M | 99.6% | 288 / 354 | 234 / 67 | 68M | 76M |
| Q2 2025 | 750 | 368M | 100.0% | 181 / 285 | 209 / 84 | 66M | 55M |
| Q1 2025 | 663 | 357M | 99.1% | 99 / 280 | 201 / 139 | 60M | 39M |
| Q4 2024 | 711 | 337M | 93.5% | 125 / 269 | 219 / 103 | 37M | 41M |
| Q3 2024 | 697 | 341M | 94.7% | 105 / 247 | 262 / 159 | 90M | 58M |
| Q2 2024 | 757 | 338M | 93.8% | 146 / 290 | 221 / 60 | 59M | 36M |
| Q1 2024 | 680 | 316M | 87.5% | 148 / 242 | 199 / 68 | 55M | 48M |
| Q4 2023 | 608 | 309M | 85.6% | 118 / 204 | 198 / 46 | 59M | 29M |
| Q3 2023 | 542 | 279M | 77.4% | 73 / 159 | 212 / 65 | 31M | 23M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of WDC | Value | % of fund | As of |
|---|---|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 10,942,453 | 3.04% | $6.99B | 0.30% | Jun 30, 2026 |
| Vanguard 500 Index Fund | 8,934,103 | 2.48% | $5.71B | 0.34% | Jun 30, 2026 |
| Invesco QQQ Trust, Series 1 | 7,316,629 | 2.03% | $4.67B | 0.95% | Jun 30, 2026 |
| iShares Core S&P 500 ETF | 4,740,744 | 1.31% | $3.03B | 0.34% | Jun 30, 2026 |
| American Funds Fundamental Investors | 4,442,387 | 1.23% | $2.84B | 1.57% | Jun 30, 2026 |
| Fidelity 500 Index Fund | 4,338,677 | 1.20% | $2.30B | 0.28% | May 31, 2026 |
| American Balanced Fund | 3,904,864 | 1.08% | $2.49B | 0.87% | Jun 30, 2026 |
| JPMorgan Large Cap Growth Fund | 3,836,087 | 1.06% | $2.45B | 2.01% | Jun 30, 2026 |
| Vanguard Mid-Cap Index Fund | 3,734,287 | 1.04% | $2.39B | 1.06% | Jun 30, 2026 |
| Vanguard Growth Index Fund | 3,677,952 | 1.02% | $2.35B | 0.62% | Jun 30, 2026 |
| Select Semiconductors Portfolio | 3,084,742 | 0.86% | $1.64B | 3.19% | May 31, 2026 |
| Fidelity Blue Chip Growth Fund | 2,933,512 | 0.81% | $1.60B | 1.62% | Jul 31, 2026 |
| Growth Fund of America | 2,901,510 | 0.80% | $1.54B | 0.43% | May 31, 2026 |
| Select Technology Portfolio | 2,803,918 | 0.78% | $1.49B | 3.91% | May 31, 2026 |
| New Economy Fund | 2,667,792 | 0.74% | $1.42B | 2.75% | May 31, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Irving Tan | Chief Executive Officer, Director | 587,113 | 0.16% | Sep 21, 2026 |
| David Goeckeler | Chief Executive Officer, Director | 812,303 | 0.23% | Dec 2, 2024 |
| Cynthia L. Tregillis | Chief Legal Officer & Corp Sec | 111,030 | 0.03% | Sep 21, 2026 |
| Brad Feller | SVP, Global Accounting & Chief | 12,043 | 0.00% | Sep 21, 2026 |
| Vidyadhara K. Gubbi | Chief of Global Operations | 80,571 | 0.02% | Sep 21, 2026 |
| Kris Sennesael | Chief Financial Officer | 173,709 | 0.05% | Sep 21, 2026 |
| Brian Scott Davis | Chief Sales & Mrktng Officer | 99,491 | 0.03% | Sep 21, 2026 |
| Ahmed Mohammed Shihab | Chief Product Officer | 158,608 | 0.04% | Sep 21, 2026 |
| Gene M. Zamiska | SVP & Princ. Acctg Officer | 27,425 | 0.01% | Sep 22, 2025 |
| Don R. Bennett | Interim CFO | 104,554 | 0.03% | Mar 10, 2025 |
| Wissam G. Jabre | EVP & CFO | 335,672 | 0.09% | Mar 3, 2025 |
| Robert Soderbery | EVP & GM, Flash Business | 132,940 | 0.04% | Dec 2, 2024 |
| Matthew E. Massengill | Director | 35,513 | 0.01% | Sep 21, 2026 |
| Roxanne Oulman | Director | 3,863 | 0.00% | Sep 21, 2026 |
| Bruce E. Kiddoo | Director | 3,903 | 0.00% | Sep 21, 2026 |
| Martin I. Cole | Director | 21,465 | 0.01% | Sep 21, 2026 |
| Kimberly Alexy | Director | 27,307 | 0.01% | Sep 21, 2026 |
| Stephanie A. Streeter | Director | 36,392 | 0.01% | Sep 21, 2026 |
| Manuvir Das | Director | 772 | 0.00% | Sep 21, 2026 |
| Tunc Doluca | Director | 39,434 | 0.01% | Sep 21, 2026 |
| Thomas Caulfield | Director | 21,737 | 0.01% | Nov 22, 2024 |
| Miyuki Suzuki | Director | 18,160 | 0.01% | Nov 22, 2024 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Irving Tan Chief Executive Officer, Director | Sep 20, 2026 | Tax withholding | −1,091.04 | $441.36 | $481.54K | 265,613 |
| Irving Tan Chief Executive Officer, Director | Sep 20, 2026 | Option exercise | +56.76 | – | – | 266,704 |
| Brian Scott Davis Chief Sales & Mrktng Officer | Sep 20, 2026 | Tax withholding | −963.03 | $441.36 | $425.04K | 99,491 |
| Brian Scott Davis Chief Sales & Mrktng Officer | Sep 20, 2026 | Option exercise | +8.39 | – | – | 100,454 |
| Ahmed Mohammed Shihab Chief Product Officer | Sep 17, 2026 | Tax withholding | −5,150 | $423.87 | $2.18M | 158,608 |
| Ahmed Mohammed Shihab Chief Product Officer | Sep 17, 2026 | Option exercise | +56 | – | – | 163,758 |
| Vidyadhara K. Gubbi Chief of Global Operations | Sep 4, 2026 | Sale | −1,795 | $459.87 | $825.47K | 80,571 |
| Cynthia L. Tregillis Chief Legal Officer & Corp Sec | Sep 4, 2026 | Sale(10b5-1 plan) | −432 | $451.20 | $194.92K | 111,030 |
| Brian Scott Davis Chief Sales & Mrktng Officer | Sep 3, 2026 | Option exercise | +7 | – | – | 101,328 |
| Brian Scott Davis Chief Sales & Mrktng Officer | Sep 3, 2026 | Tax withholding | −882 | $441.57 | $389.46K | 100,446 |
| Vidyadhara K. Gubbi Chief of Global Operations | Sep 3, 2026 | Tax withholding | −1,764 | $441.57 | $778.93K | 82,366 |
| Vidyadhara K. Gubbi Chief of Global Operations | Sep 3, 2026 | Option exercise | +14 | – | – | 84,130 |
| Cynthia L. Tregillis Chief Legal Officer & Corp Sec | Sep 3, 2026 | Tax withholding | −700 | $441.57 | $309.10K | 111,462 |
| Cynthia L. Tregillis Chief Legal Officer & Corp Sec | Sep 3, 2026 | Option exercise | +7 | – | – | 112,162 |
| Irving Tan Chief Executive Officer, Director | Sep 1, 2026 | Gift | +112,500 | – | – | 112,500 |
| Irving Tan Chief Executive Officer, Director | Sep 1, 2026 | Gift | −112,500 | – | – | 0 |
| Stephanie A. Streeter Director | Sep 1, 2026 | Sale | −1,600 | $455.00 | $728.00K | 34,807 |
| Irving Tan Chief Executive Officer, Director | Aug 31, 2026 | Other | −112,500 | – | – | 266,647 |
| Irving Tan Chief Executive Officer, Director | Aug 31, 2026 | Other | +112,500 | – | – | 112,500 |
| Stephanie A. Streeter Director | Aug 31, 2026 | Sale | −2,000 | $447.06 | $894.12K | 38,407 |
| Stephanie A. Streeter Director | Aug 31, 2026 | Sale | −2,000 | $448.58 | $897.16K | 36,407 |
| Cynthia L. Tregillis Chief Legal Officer & Corp Sec | Aug 27, 2026 | Sale(10b5-1 plan) | −1,007 | $478.36 | $481.71K | 112,155 |
| Kris Sennesael Chief Financial Officer | Aug 26, 2026 | Tax withholding | −4,317 | $468.88 | $2.02M | 173,709 |
| Kris Sennesael Chief Financial Officer | Aug 26, 2026 | Option exercise | +19 | – | – | 178,026 |
| Cynthia L. Tregillis Chief Legal Officer & Corp Sec | Aug 26, 2026 | Tax withholding | −1,631 | $468.88 | $764.74K | 113,162 |
| Cynthia L. Tregillis Chief Legal Officer & Corp Sec | Aug 26, 2026 | Option exercise | +9 | – | – | 114,793 |
| Cynthia L. Tregillis Chief Legal Officer & Corp Sec | Aug 26, 2026 | Sale(10b5-1 plan) | −476 | $450.78 | $214.57K | 114,784 |
| Irving Tan Chief Executive Officer, Director | Aug 26, 2026 | Option exercise | +42 | – | – | 382,461 |
| Irving Tan Chief Executive Officer, Director | Aug 26, 2026 | Tax withholding | −3,314 | $468.88 | $1.55M | 379,147 |
| Vidyadhara K. Gubbi Chief of Global Operations | Aug 26, 2026 | Tax withholding | −2,056 | $468.88 | $964.02K | 84,116 |
| Vidyadhara K. Gubbi Chief of Global Operations | Aug 26, 2026 | Option exercise | +9 | – | – | 86,172 |
| Ahmed Mohammed Shihab Chief Product Officer | Aug 26, 2026 | Tax withholding | −2,741 | $468.88 | $1.29M | 163,702 |
| Ahmed Mohammed Shihab Chief Product Officer | Aug 26, 2026 | Option exercise | +15 | – | – | 166,443 |
| Brian Scott Davis Chief Sales & Mrktng Officer | Aug 26, 2026 | Tax withholding | −1,644 | $468.88 | $770.84K | 101,321 |
| Brian Scott Davis Chief Sales & Mrktng Officer | Aug 26, 2026 | Option exercise | +7 | – | – | 102,965 |
| Kris Sennesael Chief Financial Officer | Aug 25, 2026 | Award | +8,274 | – | – | 178,007 |
| Cynthia L. Tregillis Chief Legal Officer & Corp Sec | Aug 25, 2026 | Tax withholding | −771 | $450.75 | $347.53K | 111,382 |
| Cynthia L. Tregillis Chief Legal Officer & Corp Sec | Aug 25, 2026 | Award | +3,878 | – | – | 115,260 |
| Cynthia L. Tregillis Chief Legal Officer & Corp Sec | Aug 25, 2026 | Option exercise | +7 | – | – | 112,153 |
| Irving Tan Chief Executive Officer, Director | Aug 25, 2026 | Option exercise | +32 | – | – | 366,347 |
| Irving Tan Chief Executive Officer, Director | Aug 25, 2026 | Tax withholding | −476 | $450.75 | $214.56K | 365,871 |
| Irving Tan Chief Executive Officer, Director | Aug 25, 2026 | Award | +16,548 | – | – | 382,419 |
| Vidyadhara K. Gubbi Chief of Global Operations | Aug 25, 2026 | Award | +5,171 | – | – | 86,163 |
| Vidyadhara K. Gubbi Chief of Global Operations | Aug 25, 2026 | Option exercise | +9 | – | – | 82,135 |
| Vidyadhara K. Gubbi Chief of Global Operations | Aug 25, 2026 | Tax withholding | −1,143 | $450.75 | $515.21K | 80,992 |
| Brad Feller SVP & Chief Accounting Officer | Aug 25, 2026 | Award | +2,068 | – | – | 12,043 |
| Ahmed Mohammed Shihab Chief Product Officer | Aug 25, 2026 | Award | +6,722 | – | – | 166,428 |
| Brian Scott Davis Chief Sales & Mrktng Officer | Aug 25, 2026 | Tax withholding | −971 | $450.75 | $437.68K | 99,339 |
| Brian Scott Davis Chief Sales & Mrktng Officer | Aug 25, 2026 | Award | +3,619 | – | – | 102,958 |
| Brian Scott Davis Chief Sales & Mrktng Officer | Aug 25, 2026 | Option exercise | +7 | – | – | 100,310 |
| Cynthia L. Tregillis Chief Legal Officer & Corp Sec | Aug 24, 2026 | Sale(10b5-1 plan) | −684 | $446.17 | $305.18K | 112,146 |
| Irving Tan Chief Executive Officer, Director | Aug 21, 2026 | Option exercise | +25 | – | – | 575,860 |
| Irving Tan Chief Executive Officer, Director | Aug 21, 2026 | Tax withholding | −545 | $459.44 | $250.39K | 575,315 |
| Vidyadhara K. Gubbi Chief of Global Operations | Aug 21, 2026 | Tax withholding | −694 | $459.44 | $318.85K | 82,126 |
| Vidyadhara K. Gubbi Chief of Global Operations | Aug 21, 2026 | Option exercise | +5 | – | – | 82,820 |
| Brian Scott Davis Chief Sales & Mrktng Officer | Aug 21, 2026 | Option exercise | +4 | – | – | 100,896 |
| Brian Scott Davis Chief Sales & Mrktng Officer | Aug 21, 2026 | Tax withholding | −593 | $459.44 | $272.45K | 100,303 |
| Cynthia L. Tregillis Chief Legal Officer & Corp Sec | Aug 21, 2026 | Sale(10b5-1 plan) | −235 | $477.27 | $112.16K | 113,928 |
| Cynthia L. Tregillis Chief Legal Officer & Corp Sec | Aug 21, 2026 | Option exercise | +11 | – | – | 113,939 |
| Cynthia L. Tregillis Chief Legal Officer & Corp Sec | Aug 21, 2026 | Tax withholding | −1,109 | $459.44 | $509.52K | 112,830 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Lock Tregillis Cynthia Officer | Sep 4, 2026 | 432 | $194.92K | Sep 4, 2026 | Restricted Stock |
| K. Gubbi Vidyadhara Officer | Sep 4, 2026 | 1,795 | $825.47K | Sep 4, 2026 | Restricted Stock |
| Stephanie A. Streeter ASSOCIATED TO AFFILIATE | Aug 31, 2026 | 10,000 | $4.48M | Aug 31, 2026 | Stock Award |
| Lock Tregillis Cynthia Officer | Aug 27, 2026 | 1,007 | $481.71K | Aug 27, 2026 | Restricted Stock |
| Lock Tregillis Cynthia Officer | Aug 26, 2026 | 476 | $214.57K | Aug 26, 2026 | Restricted Stock |
| Lock Tregillis Cynthia Officer | Aug 24, 2026 | 684 | $305.18K | Aug 24, 2026 | Restricted Stock |
| Lock Tregillis Cynthia Officer | Aug 21, 2026 | 235 | $112.16K | Aug 21, 2026 | Restricted Stock |
| Tan Irving Officer, Director | Aug 11, 2026 | 20,000 | $8.90M | Aug 11, 2026 | Restricted Stock |
| Lock Tregillis Cynthia Officer | Jul 21, 2026 | 808 | $427.94K | Jul 21, 2026 | Restricted Stock |
| I. Cole Martin Affiliate | Jun 9, 2026 | 8,000 | $4.22M | Jun 9, 2026 | Compensation |
| Lock Tregillis Cynthia Officer | Jun 5, 2026 | 432 | $235.70K | Jun 5, 2026 | Restricted Stock |
| K. Gubbi Vidyadhara Officer | Jun 1, 2026 | 2,475 | $1.38M | Jun 1, 2026 | Restricted Stock |
| Family Trust U/A Dtd 02/07/2012 Kiddoo Director | May 28, 2026 | 750 | $396.39K | May 28, 2026 | Restricted Stock |
| Lock Tregillis Cynthia Officer | May 27, 2026 | 214 | $115.48K | May 27, 2026 | Restricted Stock |
| Lock Tregillis Cynthia Officer | May 22, 2026 | 308 | $150.49K | May 22, 2026 | Restricted Stock |