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Disclosery

CITADEL ADVISORS LLC: ATKR position timeline

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

CITADEL ADVISORS LLC held 0 ATKR 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 0 shares
    Change vs previous 13F -64,743 shares

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

    Exited: the 13F for this period no longer lists the position.

  2. period ended2026-03-31
    13F 64,743 shares
    Change vs previous 13F -82,918 shares

    <0.01% of the 13F portfolio, value $3,814,011.

    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 147,661 shares
    Change vs previous 13F +49,171 shares

    0.01% of the 13F portfolio, value $9,339,558.

    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 98,490 shares
    Change vs previous 13F +13,423 shares

    <0.01% of the 13F portfolio, value $6,179,263.

    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 85,067 shares
    Change vs previous 13F -70,017 shares

    0.01% of the 13F portfolio, value $6,001,477.

    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 155,084 shares
    Change vs previous 13F -63,205 shares

    0.01% of the 13F portfolio, value $9,303,489.

    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 218,289 shares
    Change vs previous 13F -386,583 shares

    0.02% of the 13F portfolio, value $18,216,217.

    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 604,872 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $51,256,853.

    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).