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CASTLEARK MANAGEMENT LLC: TSM position timeline

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

CASTLEARK MANAGEMENT LLC held 41,210 TSM 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 41,210 shares
    Change vs previous 13F 0 shares

    0.53% of the 13F portfolio, value $19,680,660.

    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 41,210 shares
    Change vs previous 13F +4,920 shares

    0.46% of the 13F portfolio, value $13,926,920.

    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 36,290 shares
    Change vs previous 13F -19,320 shares

    0.32% of the 13F portfolio, value $11,028,168.

    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 55,610 shares
    Change vs previous 13F 0 shares

    0.44% of the 13F portfolio, value $15,531,317.

    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 55,610 shares
    Change vs previous 13F -8,420 shares

    0.38% of the 13F portfolio, value $12,595,109.

    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 64,030 shares
    Change vs previous 13F +13,250 shares

    0.37% of the 13F portfolio, value $10,628,980.

    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 50,780 shares
    Change vs previous 13F -400 shares

    0.35% of the 13F portfolio, value $10,028,542.

    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 51,180 shares
    Change vs previous 13F not available

    0.36% of the 13F portfolio, value $8,888,431.

    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).