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Disclosery

Magnetar Financial LLC: AME position timeline

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

Magnetar Financial LLC held 8,119 AME shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 8,119 shares
    Change vs previous 13F +3,193 shares

    0.02% of the 13F portfolio, value $1,964,311.

    13F-HR 0001104659-26-096490 filed by Magnetar Financial LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2026-03-31
    13F 4,926 shares
    Change vs previous 13F +4,926 shares

    0.01% of the 13F portfolio, value $1,026,431.

    13F-HR 0001104659-26-059841 filed by Magnetar Financial LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-09-30
    13F 0 shares
    Change vs previous 13F -47,226 shares

    13F-HR 0001104659-25-111094 filed by Magnetar Financial LLC
    Filed (acceptance time not in the bulk data set), ingested

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

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

  4. period ended2025-06-30
    13F 47,226 shares
    Change vs previous 13F -19,818 shares

    0.04% of the 13F portfolio, value $8,546,017.

    13F-HR 0001104659-25-076542 filed by Magnetar Financial LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-03-31
    13F 67,044 shares
    Change vs previous 13F +59,246 shares

    0.15% of the 13F portfolio, value $11,540,954.

    13F-HR 0001104659-25-048974 filed by Magnetar Financial LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-12-31
    13F 7,798 shares
    Change vs previous 13F +1,268 shares

    0.03% of the 13F portfolio, value $1,405,667.

    13F-HR 0001104659-25-011245 filed by Magnetar Financial LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-09-30
    13F 6,530 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $1,121,266.

    13F-HR 0001104659-24-117644 filed by Magnetar Financial LLC
    Filed (acceptance time not in the bulk data set), ingested

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