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CASTLEARK MANAGEMENT LLC: CRL position timeline

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

CASTLEARK MANAGEMENT LLC held 36,045 CRL 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 36,045 shares
    Change vs previous 13F -3,390 shares

    0.22% of the 13F portfolio, value $8,174,646.

    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 39,435 shares
    Change vs previous 13F +7,190 shares

    0.23% of the 13F portfolio, value $6,802,538.

    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 32,245 shares
    Change vs previous 13F +980 shares

    0.19% of the 13F portfolio, value $6,432,233.

    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 31,265 shares
    Change vs previous 13F not available

    0.14% of the 13F portfolio, value $4,891,722.

    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).