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Disclosery

Magnetar Financial LLC: ALSN position timeline

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

Magnetar Financial LLC held 21,598 ALSN 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 21,598 shares
    Change vs previous 13F +21,598 shares

    0.02% of the 13F portfolio, value $2,434,959.

    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 ended2025-12-31
    13F 0 shares
    Change vs previous 13F -49,629 shares

    13F-HR 0001104659-26-015538 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.

  3. period ended2025-09-30
    13F 49,629 shares
    Change vs previous 13F -44,881 shares

    0.03% of the 13F portfolio, value $4,212,509.

    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).

  4. period ended2025-06-30
    13F 94,510 shares
    Change vs previous 13F +73,147 shares

    0.04% of the 13F portfolio, value $8,977,505.

    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 21,363 shares
    Change vs previous 13F +14,523 shares

    0.03% of the 13F portfolio, value $2,043,798.

    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 6,840 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $739,131.

    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).