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Disclosery

COOPERMAN LEON G: MIR position timeline

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

COOPERMAN LEON G held 8,383,441 MIR 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 8,383,441 shares
    Change vs previous 13F 0 shares

    4.24% of the 13F portfolio, value $150,315,097.

    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).

  2. period ended2026-03-31
    13F 8,383,441 shares
    Change vs previous 13F 0 shares

    5.11% of the 13F portfolio, value $155,848,168.

    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 8,383,441 shares
    Change vs previous 13F 0 shares

    6.51% of the 13F portfolio, value $196,340,188.

    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 8,383,441 shares
    Change vs previous 13F +1,258,441 shares

    6.09% of the 13F portfolio, value $194,998,838.

    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 7,125,000 shares
    Change vs previous 13F +100,000 shares

    5.39% of the 13F portfolio, value $153,401,250.

    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).

  6. period ended2025-03-31
    13F/A 7,025,000 shares
    Change vs previous 13F 0 shares

    4.04% of the 13F portfolio, value $101,862,500.

    13F-HR/A 0000945621-25-000506 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).

  7. period ended2024-12-31
    13F 7,025,000 shares
    Change vs previous 13F -1,000,000 shares

    4.64% of the 13F portfolio, value $122,586,250.

    13F-HR 0000945621-25-000191 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).

  8. period ended2024-09-30
    13F 8,025,000 shares
    Change vs previous 13F not available

    3.77% of the 13F portfolio, value $88,836,750.

    13F-HR 0000945621-24-000945 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).