Western Digital Corporation
Plan context: Western Digital Corporation 401(K) Plan
EIN 33-0956711 • 37 filings • 9 plans
Current Snapshot
Latest Year
2024
2024 Participants
6,598
2024 Assets
$2,476,282,302
2024 Contributions
$147,373,307
Historical Graphs
Total Assets Over Time
Aggregate end-of-year assets by filing year, excluding zero-asset years
Participants Over Time
Largest reported end-of-year plan headcount by filing year, used to avoid double-counting participants across overlapping plans
Company Timeline
Year summaries and individual filings are combined here so you can stay in one place while moving across years and plan filings.
| Year / Filing | Filings | Participants | Assets | Contributions | Contrib./Participant |
|---|---|---|---|---|---|
| 2024 | 2 | 6,598 | $2,476,282,302 | $147,373,307 | $22,336iApproximate average salary by contribution assumption: employee only about $558,401 at 4% or $372,268 at 6%; with 50% employer match about $372,268 at 4% or $248,178 at 6%; with 100% employer match about $279,201 at 4% or $186,134 at 6%. |
| Western Digital Corporation 401(K) Plan | - | 6,598 | $2,476,282,302 | $147,373,307 | $22,336iApproximate average salary by contribution assumption: employee only about $558,401 at 4% or $372,268 at 6%; with 50% employer match about $372,268 at 4% or $248,178 at 6%; with 100% employer match about $279,201 at 4% or $186,134 at 6%. |
| Western Digital Group Life & Health Plan | - | 6,495 | - | - | - |
| 2023 | 2 | 6,558 | $2,224,615,107 | $109,961,560 | $16,768iApproximate average salary by contribution assumption: employee only about $419,189 at 4% or $279,459 at 6%; with 50% employer match about $279,459 at 4% or $186,306 at 6%; with 100% employer match about $209,594 at 4% or $139,730 at 6%. |
| Western Digital Corporation 401(K) Plan | - | 6,558 | $2,224,615,107 | $109,961,560 | $16,768iApproximate average salary by contribution assumption: employee only about $419,189 at 4% or $279,459 at 6%; with 50% employer match about $279,459 at 4% or $186,306 at 6%; with 100% employer match about $209,594 at 4% or $139,730 at 6%. |
| Western Digital Group Life & Health Plan | - | 6,513 | - | - | - |
| 2022 | 2 | 7,690 | $1,987,625,395 | $164,583,538 | $21,402iApproximate average salary by contribution assumption: employee only about $535,057 at 4% or $356,705 at 6%; with 50% employer match about $356,705 at 4% or $237,803 at 6%; with 100% employer match about $267,529 at 4% or $178,352 at 6%. |
| Western Digital Corporation 401(K) Plan | - | 7,690 | $1,987,625,395 | $164,583,538 | $21,402iApproximate average salary by contribution assumption: employee only about $535,057 at 4% or $356,705 at 6%; with 50% employer match about $356,705 at 4% or $237,803 at 6%; with 100% employer match about $267,529 at 4% or $178,352 at 6%. |
| Western Digital Group Life & Health Plan | - | 6,957 | - | - | - |
| 2021 | 2 | 7,874 | $2,380,327,677 | $162,441,896 | $20,630iApproximate average salary by contribution assumption: employee only about $515,754 at 4% or $343,836 at 6%; with 50% employer match about $343,836 at 4% or $229,224 at 6%; with 100% employer match about $257,877 at 4% or $171,918 at 6%. |
| Western Digital Corporation 401(K) Plan | - | 7,874 | $2,380,327,677 | $162,441,896 | $20,630iApproximate average salary by contribution assumption: employee only about $515,754 at 4% or $343,836 at 6%; with 50% employer match about $343,836 at 4% or $229,224 at 6%; with 100% employer match about $257,877 at 4% or $171,918 at 6%. |
| Western Digital Group Life & Health Plan | - | 7,648 | - | - | - |
| 2020 | 2 | 7,985 | $2,239,131,443 | $157,956,225 | $19,782iApproximate average salary by contribution assumption: employee only about $494,540 at 4% or $329,694 at 6%; with 50% employer match about $329,694 at 4% or $219,796 at 6%; with 100% employer match about $247,270 at 4% or $164,847 at 6%. |
| Western Digital Corporation 401(K) Plan | - | 7,985 | $2,239,131,443 | $157,956,225 | $19,782iApproximate average salary by contribution assumption: employee only about $494,540 at 4% or $329,694 at 6%; with 50% employer match about $329,694 at 4% or $219,796 at 6%; with 100% employer match about $247,270 at 4% or $164,847 at 6%. |
| Western Digital Group Life & Health Plan | - | 7,898 | - | - | - |
| 2019 | 2 | 8,265 | $1,898,223,377 | $146,618,004 | $17,740iApproximate average salary by contribution assumption: employee only about $443,491 at 4% or $295,660 at 6%; with 50% employer match about $295,660 at 4% or $197,107 at 6%; with 100% employer match about $221,745 at 4% or $147,830 at 6%. |
| Western Digital Corporation 401(K) Plan | - | 7,934 | $1,898,223,377 | $146,618,004 | $18,480iApproximate average salary by contribution assumption: employee only about $461,993 at 4% or $307,995 at 6%; with 50% employer match about $307,995 at 4% or $205,330 at 6%; with 100% employer match about $230,996 at 4% or $153,998 at 6%. |
| Western Digital Group Life & Health Plan | - | 8,265 | - | - | - |
| 2018 | 2 | 8,497 | $1,508,653,743 | $168,412,211 | $19,820iApproximate average salary by contribution assumption: employee only about $495,505 at 4% or $330,337 at 6%; with 50% employer match about $330,337 at 4% or $220,224 at 6%; with 100% employer match about $247,752 at 4% or $165,168 at 6%. |
| Western Digital Corporation 401(K) Plan | - | 8,497 | $1,508,653,743 | $168,412,211 | $19,820iApproximate average salary by contribution assumption: employee only about $495,505 at 4% or $330,337 at 6%; with 50% employer match about $330,337 at 4% or $220,224 at 6%; with 100% employer match about $247,752 at 4% or $165,168 at 6%. |
| Western Digital Group Life & Health Plan | - | 8,122 | - | - | - |
| 2017 | 2 | 8,766 | $1,544,825,259 | $159,294,943 | $18,172iApproximate average salary by contribution assumption: employee only about $454,298 at 4% or $302,865 at 6%; with 50% employer match about $302,865 at 4% or $201,910 at 6%; with 100% employer match about $227,149 at 4% or $151,433 at 6%. |
| Western Digital Corporation 401(K) Plan | - | 8,456 | $1,544,825,259 | $159,294,943 | $18,838iApproximate average salary by contribution assumption: employee only about $470,952 at 4% or $313,968 at 6%; with 50% employer match about $313,968 at 4% or $209,312 at 6%; with 100% employer match about $235,476 at 4% or $156,984 at 6%. |
| Western Digital Group Life & Health Plan | - | 8,766 | - | - | - |
| 2016 | 4 | 8,190 | $1,240,430,512 | $249,321,851 | $30,442iApproximate average salary by contribution assumption: employee only about $761,056 at 4% or $507,370 at 6%; with 50% employer match about $507,370 at 4% or $338,247 at 6%; with 100% employer match about $380,528 at 4% or $253,685 at 6%. |
| Western Digital Corporation 401(K) Plan | - | 8,190 | $1,240,430,512 | $249,321,851 | $30,442iApproximate average salary by contribution assumption: employee only about $761,056 at 4% or $507,370 at 6%; with 50% employer match about $507,370 at 4% or $338,247 at 6%; with 100% employer match about $380,528 at 4% or $253,685 at 6%. |
| Western Digital Corporation Severance Plan for U.S. Employees | - | 0 | - | - | - |
| Sandisk Corporation Welfare Benefits Plan | - | 0 | - | - | - |
| Western Digital Group Life & Health Plan | - | 8,155 | - | - | - |
| 2015 | 5 | 7,326 | $994,668,106 | $116,295,381 | $15,874iApproximate average salary by contribution assumption: employee only about $396,858 at 4% or $264,572 at 6%; with 50% employer match about $264,572 at 4% or $176,382 at 6%; with 100% employer match about $198,429 at 4% or $132,286 at 6%. |
| Western Digital Corporation 401(K) Plan | - | 6,906 | $994,668,106 | $116,295,381 | $16,840iApproximate average salary by contribution assumption: employee only about $420,994 at 4% or $280,663 at 6%; with 50% employer match about $280,663 at 4% or $187,108 at 6%; with 100% employer match about $210,497 at 4% or $140,331 at 6%. |
| Western Digital Corporation Severance Plan for U.S. Employees | - | 3,603 | - | - | - |
| Sandisk Corporation Welfare Benefits Plan | - | 0 | - | - | - |
| WESTERN DIGITAL DISABILITY PLAN | - | 0 | - | - | - |
| Western Digital Group Life & Health Plan | - | 7,326 | - | - | - |
| 2014 | 5 | 7,400 | $976,907,545 | $109,511,916 | $14,799iApproximate average salary by contribution assumption: employee only about $369,973 at 4% or $246,648 at 6%; with 50% employer match about $246,648 at 4% or $164,432 at 6%; with 100% employer match about $184,986 at 4% or $123,324 at 6%. |
| Western Digital Corporation 401(K) Plan | - | 7,373 | $976,907,545 | $109,511,916 | $14,853iApproximate average salary by contribution assumption: employee only about $371,328 at 4% or $247,552 at 6%; with 50% employer match about $247,552 at 4% or $165,034 at 6%; with 100% employer match about $185,664 at 4% or $123,776 at 6%. |
| Western Digital Group Life & Health Plan | - | 7,400 | - | - | - |
| Sandisk Corporation Welfare Benefits Plan | - | 6,507 | - | - | - |
| WESTERN DIGITAL DISABILITY PLAN | - | 7,400 | - | - | - |
| Western Digital Corporation Severance Plan for U.S. Employees | - | 4,274 | - | - | - |
| 2013 | 1 | 4,187 | $0 | $0 | - |
| Western Digital Corporation Severance Plan for U.S. Employees | - | 4,187 | - | - | - |
| 2005 | 1 | 2,474 | $0 | $0 | - |
| WESTERN DIGITAL CORPORATION 1999 EMPLOYEE SEVERANCE PLAN FOR U.S. EMPLOYEES | - | 2,474 | - | - | - |
| 2004 | 1 | 2,292 | $0 | $0 | - |
| WZSTERN DIGITAL CORPORATION 1999 EMPLOYEE SEVERANCE PLAN FOR U.S. EMPLOYEES | - | 2,292 | - | - | - |
| 2003 | 1 | 2,105 | $0 | $0 | - |
| WESTERN DIGITAL CORPORATION 1999 EMPLOYEE SEVERANCE PLAN FOR U.S. EMPLOYEES | - | 2,105 | - | - | - |
| 2002 | 1 | 1,158 | $0 | $0 | - |
| WESTERN DIGITAL CORPORATION 1999 EMPLOYEE SEVER-ANCE PLAN FOR U.S. EMPLOYEES | - | 1,158 | - | - | - |
| 2001 | 1 | 1,058 | $0 | $0 | - |
| WESTERN DIGITAL CORPORATION 1999 EMPLOYEE SEVERANCE PLAN FOR U.S. EMPLOYEES | - | 1,058 | - | - | - |
| 2000 | 1 | 972 | $0 | $0 | - |
| WESTERN DIGITAL CORPORATION 1999 EMPLOYEE SEVERANCE PLAN FOR U.S. EMPLOYEES | - | 972 | - | - | - |