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Livermore
Livermore
ZHEN

SEI Investments Co

SEC CIK
0000350894
Latest filing
Aug 14, 2026

WDC holding history

Western Digital Corp in every 13F filed by SEI Investments Co, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

WDC overviewAll 13F holders of WDCFull Q2 2026 holdings

Shares (Q2 2026)
410,425
Value
$262.1M
% of portfolio
0.2%
Quarters held
22
Since Q1 2021
Holdings of WDC by SEI Investments Co, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026410,425$262.1M0.2%−84,749−17.1%ReducedHolders
Q1 2026495,174$133.9M0.1%+23,977+5.1%AddedHolders
Q4 2025471,197$81.2M0.1%+11,323+2.5%AddedHolders
Q3 2025459,874$55.2M0.1%+358,136+352.0%AddedHolders
Q2 2025101,738$6.51M<0.1%+9,349+10.1%AddedHolders
Q1 202592,389$3.73M<0.1%−34,155−27.0%ReducedHolders
Q4 2024126,544$7.55M<0.1%−29,213−18.8%ReducedHolders
Q3 2024155,757$10.6M<0.1%−82,868−34.7%ReducedHolders
Q2 2024238,625$18.1M<0.1%−35,858−13.1%ReducedHolders
Q1 2024274,483$18.7M<0.1%+17,288+6.7%AddedHolders
Q4 2023257,195$13.5M<0.1%−27,270−9.6%ReducedHolders
Q3 2023284,465$13.0M<0.1%+23,099+8.8%AddedHolders
Q2 2023261,366$9.91M<0.1%+36,198+16.1%AddedHolders
Q1 2023225,168$8.48M<0.1%+19,575+9.5%AddedHolders
Q4 2022205,593$6.49M<0.1%+96,271+88.1%AddedHolders
Q3 2022109,322$3.56M<0.1%+66,432+154.9%AddedHolders
Q2 202242,890$1.88M<0.1%+12,810+42.6%AddedHolders
Q1 202230,080$1.47M<0.1%−93,835−75.7%ReducedHolders
Q4 2021123,915$8.08M<0.1%+90,378+269.5%AddedHolders
Q3 202133,537$1.88M<0.1%+3,922+13.2%AddedHolders
Q2 202129,615$2.10M<0.1%+9,363+46.2%AddedHolders
Q1 202120,252$1.35M<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.