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CASTLEARK MANAGEMENT LLC: ASB position timeline

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

CASTLEARK MANAGEMENT LLC held 299,403 ASB 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 299,403 shares
    Change vs previous 13F -12,020 shares

    0.25% of the 13F portfolio, value $9,212,630.

    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 311,423 shares
    Change vs previous 13F +21,850 shares

    0.27% of the 13F portfolio, value $8,053,399.

    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 289,573 shares
    Change vs previous 13F +8,460 shares

    0.22% of the 13F portfolio, value $7,459,400.

    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 281,113 shares
    Change vs previous 13F +88,303 shares

    0.2% of the 13F portfolio, value $7,227,415.

    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 192,810 shares
    Change vs previous 13F -5,710 shares

    0.14% of the 13F portfolio, value $4,702,636.

    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 198,520 shares
    Change vs previous 13F +38,840 shares

    0.16% of the 13F portfolio, value $4,472,656.

    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 159,680 shares
    Change vs previous 13F not available

    0.13% of the 13F portfolio, value $3,816,352.

    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).