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CASTLEARK MANAGEMENT LLC: SF position timeline

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

CASTLEARK MANAGEMENT LLC held 98,210 SF 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 98,210 shares
    Change vs previous 13F -3,800 shares

    0.18% of the 13F portfolio, value $6,852,112.

    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 102,010 shares
    Change vs previous 13F +3,480 shares

    0.25% of the 13F portfolio, value $7,540,579.

    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 98,530 shares
    Change vs previous 13F +10,860 shares

    0.36% of the 13F portfolio, value $12,337,927.

    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 87,670 shares
    Change vs previous 13F +3,260 shares

    0.28% of the 13F portfolio, value $9,947,915.

    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 84,410 shares
    Change vs previous 13F +9,040 shares

    0.26% of the 13F portfolio, value $8,760,070.

    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 75,370 shares
    Change vs previous 13F +1,710 shares

    0.25% of the 13F portfolio, value $7,104,376.

    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 73,660 shares
    Change vs previous 13F -3,170 shares

    0.27% of the 13F portfolio, value $7,813,853.

    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 76,830 shares
    Change vs previous 13F not available

    0.29% of the 13F portfolio, value $7,214,337.

    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).