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CASTLEARK MANAGEMENT LLC: GOVT position timeline

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

CASTLEARK MANAGEMENT LLC held 3,329,569 GOVT 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 3,329,569 shares
    Change vs previous 13F 0 shares

    2.04% of the 13F portfolio, value $75,847,582.

    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 3,329,569 shares
    Change vs previous 13F 0 shares

    2.52% of the 13F portfolio, value $76,280,426.

    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 3,329,569 shares
    Change vs previous 13F +71,470 shares

    2.25% of the 13F portfolio, value $76,663,326.

    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 3,258,099 shares
    Change vs previous 13F 0 shares

    2.11% of the 13F portfolio, value $75,327,249.

    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 3,258,099 shares
    Change vs previous 13F -821,720 shares

    2.25% of the 13F portfolio, value $74,871,115.

    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 4,079,819 shares
    Change vs previous 13F +2,458,450 shares

    3.25% of the 13F portfolio, value $93,774,640.

    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 1,621,369 shares
    Change vs previous 13F not available

    1.3% of the 13F portfolio, value $37,259,060.

    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).