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Disclosery

CITADEL ADVISORS LLC: WDC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of CITADEL ADVISORS LLC on WDC, newest first. How the timeline and the estimate are built.

CITADEL ADVISORS LLC held 657,878 WDC shares at 2026-06-30 per its 13F-HR/A filed 2026-09-02.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F/A 657,878 shares
    Change vs previous 13F +392,010 shares

    0.24% of the 13F portfolio, value $420,199,836.

    13F-HR/A 0001104659-26-104387 filed by CITADEL ADVISORS LLC
    Accepted , ingested

  2. period ended2026-03-31
    13F 265,868 shares
    Change vs previous 13F -1,053,898 shares

    0.05% of the 13F portfolio, value $71,914,635.

    13F-HR 0001104659-26-062477 filed by CITADEL ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 1,319,766 shares
    Change vs previous 13F -2,407,840 shares

    0.15% of the 13F portfolio, value $227,356,089.

    13F-HR 0001104659-26-016408 filed by CITADEL ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 3,727,606 shares
    Change vs previous 13F +212,003 shares

    0.36% of the 13F portfolio, value $447,536,376.

    13F-HR 0001104659-25-112514 filed by CITADEL ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 3,515,603 shares
    Change vs previous 13F -381,329 shares

    0.2% of the 13F portfolio, value $224,963,436.

    13F-HR 0001104659-25-078555 filed by CITADEL ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 3,896,932 shares
    Change vs previous 13F +1,008,691 shares

    0.15% of the 13F portfolio, value $157,552,960.

    13F-HR 0000950123-25-005687 filed by CITADEL ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F 2,888,241 shares
    Change vs previous 13F +1,300,781 shares

    0.16% of the 13F portfolio, value $172,225,811.

    13F-HR 0000950123-25-002739 filed by CITADEL ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2024-09-30
    13F 1,587,460 shares
    Change vs previous 13F not available

    0.11% of the 13F portfolio, value $108,407,643.

    13F-HR 0000950123-24-011767 filed by CITADEL ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).