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CASTLEARK MANAGEMENT LLC: XMTR position timeline

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

CASTLEARK MANAGEMENT LLC held 117,518 XMTR 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 117,518 shares
    Change vs previous 13F +62,750 shares

    0.31% of the 13F portfolio, value $11,342,837.

    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 54,768 shares
    Change vs previous 13F -112,710 shares

    0.07% of the 13F portfolio, value $2,236,725.

    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 167,478 shares
    Change vs previous 13F +3,530 shares

    0.29% of the 13F portfolio, value $9,959,917.

    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 163,948 shares
    Change vs previous 13F +35,498 shares

    0.25% of the 13F portfolio, value $8,930,248.

    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 128,450 shares
    Change vs previous 13F not available

    0.13% of the 13F portfolio, value $4,340,326.

    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).