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CASTLEARK MANAGEMENT LLC: ET position timeline

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

CASTLEARK MANAGEMENT LLC held 238,240 ET 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 238,240 shares
    Change vs previous 13F 0 shares

    0.12% of the 13F portfolio, value $4,555,149.

    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 238,240 shares
    Change vs previous 13F 0 shares

    0.15% of the 13F portfolio, value $4,598,032.

    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 238,240 shares
    Change vs previous 13F 0 shares

    0.12% of the 13F portfolio, value $3,928,578.

    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 238,240 shares
    Change vs previous 13F 0 shares

    0.11% of the 13F portfolio, value $4,088,198.

    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 238,240 shares
    Change vs previous 13F -68,560 shares

    0.13% of the 13F portfolio, value $4,319,291.

    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 306,800 shares
    Change vs previous 13F -53,510 shares

    0.2% of the 13F portfolio, value $5,703,412.

    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 360,310 shares
    Change vs previous 13F 0 shares

    0.25% of the 13F portfolio, value $7,058,473.

    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 360,310 shares
    Change vs previous 13F not available

    0.24% of the 13F portfolio, value $5,782,976.

    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).