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ArrowMark Colorado Holdings LLC: ZBIO position timeline

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

ArrowMark Colorado Holdings LLC held 573,318 ZBIO 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 573,318 shares
    Change vs previous 13F -85,591 shares

    0.61% of the 13F portfolio, value $14,550,811.

    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 658,909 shares
    Change vs previous 13F -92,252 shares

    0.34% of the 13F portfolio, value $12,881,671.

    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 751,161 shares
    Change vs previous 13F -73,507 shares

    0.6% of the 13F portfolio, value $27,274,656.

    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 824,668 shares
    Change vs previous 13F -269,670 shares

    0.34% of the 13F portfolio, value $18,307,630.

    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 1,094,338 shares
    Change vs previous 13F -3,031 shares

    0.19% of the 13F portfolio, value $10,604,135.

    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 1,097,369 shares
    Change vs previous 13F +469,700 shares

    0.14% of the 13F portfolio, value $8,669,215.

    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 627,669 shares
    Change vs previous 13F +327,669 shares

    0.07% of the 13F portfolio, value $5,140,609.

    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 300,000 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $5,076,000.

    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).