Skip to content
Disclosery

CASTLEARK MANAGEMENT LLC: SIG position timeline

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

CASTLEARK MANAGEMENT LLC held 0 SIG shares at 2026-03-31 per its 13F-HR filed 2026-05-15.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -89,388 shares

    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).

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-12-31
    13F 89,388 shares
    Change vs previous 13F +2,630 shares

    0.22% of the 13F portfolio, value $7,408,477.

    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).

  3. period ended2025-09-30
    13F 86,758 shares
    Change vs previous 13F +3,218 shares

    0.23% of the 13F portfolio, value $8,321,827.

    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).

  4. period ended2025-06-30
    13F 83,540 shares
    Change vs previous 13F not available

    0.2% of the 13F portfolio, value $6,645,607.

    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).