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ArrowMark Colorado Holdings LLC: AMPL position timeline

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

ArrowMark Colorado Holdings LLC held 656,977 AMPL 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 656,977 shares
    Change vs previous 13F -599,046 shares

    0.21% of the 13F portfolio, value $5,025,874.

    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 1,256,023 shares
    Change vs previous 13F -228,274 shares

    0.23% of the 13F portfolio, value $8,566,077.

    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 1,484,297 shares
    Change vs previous 13F -101,285 shares

    0.38% of the 13F portfolio, value $17,188,159.

    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 1,585,582 shares
    Change vs previous 13F +324,985 shares

    0.32% of the 13F portfolio, value $16,997,439.

    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 1,260,597 shares
    Change vs previous 13F -321,051 shares

    0.28% of the 13F portfolio, value $15,631,403.

    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 1,581,648 shares
    Change vs previous 13F +2,119 shares

    0.26% of the 13F portfolio, value $16,116,993.

    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 1,579,529 shares
    Change vs previous 13F +96,791 shares

    0.22% of the 13F portfolio, value $16,664,031.

    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 1,482,738 shares
    Change vs previous 13F not available

    0.17% of the 13F portfolio, value $13,300,160.

    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).