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COOPERMAN LEON G: AESI position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of COOPERMAN LEON G on AESI, newest first. How the timeline and the estimate are built.

COOPERMAN LEON G held 0 AESI 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 0 shares
    Change vs previous 13F -4,083,175 shares

    13F-HR 0000945621-26-001056 filed by COOPERMAN LEON G
    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.

  2. period ended2026-03-31
    13F 4,083,175 shares
    Change vs previous 13F -970,299 shares

    1.76% of the 13F portfolio, value $53,571,256.

    13F-HR 0000945621-26-000719 filed by COOPERMAN LEON G
    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 5,053,474 shares
    Change vs previous 13F -312,889 shares

    1.58% of the 13F portfolio, value $47,603,725.

    13F-HR 0000945621-26-000329 filed by COOPERMAN LEON G
    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 5,366,363 shares
    Change vs previous 13F +204,268 shares

    1.9% of the 13F portfolio, value $61,015,547.

    13F-HR 0000945621-25-001130 filed by COOPERMAN LEON G
    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 5,162,095 shares
    Change vs previous 13F not available

    2.43% of the 13F portfolio, value $69,017,210.

    13F-HR 0000945621-25-000771 filed by COOPERMAN LEON G
    Filed (acceptance time not in the bulk data set), ingested

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