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Disclosery

CITADEL ADVISORS LLC: MGNI position timeline

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

CITADEL ADVISORS LLC held 472,865 MGNI 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 472,865 shares
    Change vs previous 13F -580,043 shares

    0.01% of the 13F portfolio, value $8,974,978.

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

  2. period ended2026-03-31
    13F 1,052,908 shares
    Change vs previous 13F +508,590 shares

    0.01% of the 13F portfolio, value $12,508,547.

    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 544,318 shares
    Change vs previous 13F +374,757 shares

    0.01% of the 13F portfolio, value $8,834,281.

    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 169,561 shares
    Change vs previous 13F -665,541 shares

    <0.01% of the 13F portfolio, value $3,693,039.

    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 835,102 shares
    Change vs previous 13F +242,173 shares

    0.02% of the 13F portfolio, value $20,142,660.

    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 592,929 shares
    Change vs previous 13F +282,690 shares

    0.01% of the 13F portfolio, value $6,765,319.

    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 310,239 shares
    Change vs previous 13F -392,269 shares

    <0.01% of the 13F portfolio, value $4,939,005.

    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 702,508 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $9,729,736.

    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).