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CASTLEARK MANAGEMENT LLC: TLT position timeline

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

CASTLEARK MANAGEMENT LLC held 137,270 TLT 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 137,270 shares
    Change vs previous 13F 0 shares

    0.32% of the 13F portfolio, value $11,862,873.

    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 137,270 shares
    Change vs previous 13F +42,730 shares

    0.39% of the 13F portfolio, value $11,899,936.

    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 94,540 shares
    Change vs previous 13F 0 shares

    0.24% of the 13F portfolio, value $8,240,106.

    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 94,540 shares
    Change vs previous 13F 0 shares

    0.24% of the 13F portfolio, value $8,449,040.

    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 94,540 shares
    Change vs previous 13F -247,120 shares

    0.25% of the 13F portfolio, value $8,343,155.

    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 341,660 shares
    Change vs previous 13F +151,300 shares

    1.08% of the 13F portfolio, value $31,101,310.

    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 190,360 shares
    Change vs previous 13F not available

    0.58% of the 13F portfolio, value $16,624,139.

    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).