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Citadel Advisors LLC

SEC CIK
0001423053
Latest filing
Sep 1, 2026

WDC holding history

Western Digital Corp in every 13F filed by Citadel Advisors LLC, 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)
657,878
Value
$420.2M
% of portfolio
0.2%
Quarters held
22
Since Q1 2021
Holdings of WDC by Citadel Advisors LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026657,878$420.2M0.2%+392,010+147.4%AddedHolders
Q1 2026265,868$71.9M0.1%−1,053,898−79.9%ReducedHolders
Q4 20251,319,766$227.4M0.2%−2,407,840−64.6%ReducedHolders
Q3 20253,727,606$447.5M0.4%+212,003+6.0%AddedHolders
Q2 20253,515,603$225.0M0.2%−381,329−9.8%ReducedHolders
Q1 20253,896,932$157.6M0.2%+1,008,691+34.9%AddedHolders
Q4 20242,888,241$172.2M0.2%+1,300,781+81.9%AddedHolders
Q3 20241,587,460$108.4M0.1%−3,150,823−66.5%ReducedHolders
Q2 20244,738,283$359.0M0.4%−1,053,976−18.2%ReducedHolders
Q1 20245,792,259$395.3M0.4%−1,107,094−16.0%ReducedHolders
Q4 20236,899,353$361.3M0.4%+1,625,409+30.8%AddedHolders
Q3 20235,273,944$240.7M0.3%+3,716,495+238.6%AddedHolders
Q2 20231,557,449$59.1M0.1%+733,156+88.9%AddedHolders
Q1 2023824,293$31.1M<0.1%−1,129,135−57.8%ReducedHolders
Q4 20221,953,428$61.6M0.1%+789,370+67.8%AddedHolders
Q3 20221,164,058$37.9M<0.1%+616,872+112.7%AddedHolders
Q2 2022547,186$24.5M<0.1%−1,192,200−68.5%ReducedHolders
Q1 20221,739,386$86.4M0.1%+1,668,399+2,350.3%AddedHolders
Q4 202170,987$4.63M<0.1%−1,384,810−95.1%ReducedHolders
Q3 20211,455,797$82.2M0.1%−780,365−34.9%ReducedHolders
Q2 20212,236,162$159.1M0.2%+1,018,000+83.6%AddedHolders
Q1 20211,218,162$81.3M0.1%––Holders

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