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ArrowMark Colorado Holdings LLC: CSTM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ArrowMark Colorado Holdings LLC on CSTM, newest first. How the timeline and the estimate are built.

ArrowMark Colorado Holdings LLC held 277,217 CSTM shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 277,217 shares
    Change vs previous 13F -220,162 shares

    0.37% of the 13F portfolio, value $8,834,906.

    13F-HR 0001172661-26-003384 filed by ArrowMark Colorado Holdings 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 497,379 shares
    Change vs previous 13F -106,000 shares

    0.32% of the 13F portfolio, value $12,225,576.

    13F-HR 0001172661-26-002286 filed by ArrowMark Colorado Holdings 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 603,379 shares
    Change vs previous 13F +151,466 shares

    0.25% of the 13F portfolio, value $11,373,694.

    13F-HR 0001172661-26-001050 filed by ArrowMark Colorado Holdings 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 451,913 shares
    Change vs previous 13F -127,000 shares

    0.12% of the 13F portfolio, value $6,724,465.

    13F-HR 0001172661-25-005041 filed by ArrowMark Colorado Holdings 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 578,913 shares
    Change vs previous 13F 0 shares

    0.14% of the 13F portfolio, value $7,699,543.

    13F-HR 0001172661-25-003450 filed by ArrowMark Colorado Holdings 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 578,913 shares
    Change vs previous 13F 0 shares

    0.09% of the 13F portfolio, value $5,841,232.

    13F-HR 0001172661-25-002341 filed by ArrowMark Colorado Holdings 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 578,913 shares
    Change vs previous 13F +50,000 shares

    0.08% of the 13F portfolio, value $5,945,437.

    13F-HR 0001172661-25-001120 filed by ArrowMark Colorado Holdings 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 528,913 shares
    Change vs previous 13F not available

    0.11% of the 13F portfolio, value $8,600,125.

    13F-HR 0001172661-24-005155 filed by ArrowMark Colorado Holdings LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).