Skip to content
Disclosery

CASTLEARK MANAGEMENT LLC: MGY position timeline

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

CASTLEARK MANAGEMENT LLC held 74,790 MGY 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 74,790 shares
    Change vs previous 13F 0 shares

    0.05% of the 13F portfolio, value $1,913,128.

    13F-HR 0001106832-26-000004 filed by CASTLEARK MANAGEMENT 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 74,790 shares
    Change vs previous 13F 0 shares

    0.08% of the 13F portfolio, value $2,361,120.

    13F-HR 0001106832-26-000003 filed by CASTLEARK MANAGEMENT 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 74,790 shares
    Change vs previous 13F 0 shares

    0.05% of the 13F portfolio, value $1,637,153.

    13F-HR 0001106832-26-000001 filed by CASTLEARK MANAGEMENT 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 74,790 shares
    Change vs previous 13F 0 shares

    0.05% of the 13F portfolio, value $1,785,237.

    13F-HR 0001106832-25-000008 filed by CASTLEARK MANAGEMENT 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 74,790 shares
    Change vs previous 13F -9,040 shares

    0.05% of the 13F portfolio, value $1,681,279.

    13F-HR 0001106832-25-000006 filed by CASTLEARK MANAGEMENT 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 83,830 shares
    Change vs previous 13F 0 shares

    0.07% of the 13F portfolio, value $2,117,546.

    13F-HR 0001106832-25-000004 filed by CASTLEARK MANAGEMENT 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 83,830 shares
    Change vs previous 13F -96,900 shares

    0.07% of the 13F portfolio, value $1,959,945.

    13F-HR 0001106832-25-000001 filed by CASTLEARK MANAGEMENT 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 180,730 shares
    Change vs previous 13F not available

    0.18% of the 13F portfolio, value $4,413,427.

    13F-HR 0001106832-24-000008 filed by CASTLEARK MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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