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Disclosery

McCollum Christoferson Group LLC: AMBA position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of McCollum Christoferson Group LLC on AMBA, newest first. How the timeline and the estimate are built.

McCollum Christoferson Group LLC held 0 AMBA shares at 2026-09-30 per its 13F-HR filed 2026-10-13.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 0 shares
    Change vs previous 13F -2,750 shares

    13F-HR 0001727573-26-000012 filed by McCollum Christoferson Group LLC
    Accepted , ingested

    Exited: the 13F for this period no longer lists the position.

  2. period ended2026-06-30
    13F 2,750 shares
    Change vs previous 13F +2,750 shares

    0.07% of the 13F portfolio, value $235,950.

    13F-HR 0001727573-26-000006 filed by McCollum Christoferson Group 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 0 shares
    Change vs previous 13F -2,750 shares

    13F-HR 0001727573-26-000002 filed by McCollum Christoferson Group LLC
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  4. period ended2025-09-30
    13F 2,750 shares
    Change vs previous 13F +2,750 shares

    0.07% of the 13F portfolio, value $226,930.

    13F-HR 0001727573-25-000013 filed by McCollum Christoferson Group LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-03-31
    13F 0 shares
    Change vs previous 13F -2,750 shares

    13F-HR 0001727573-25-000005 filed by McCollum Christoferson Group LLC
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  6. period ended2024-12-31
    13F 2,750 shares
    Change vs previous 13F not available

    0.06% of the 13F portfolio, value $200,035.

    13F-HR 0001727573-25-000003 filed by McCollum Christoferson Group LLC
    Filed (acceptance time not in the bulk data set), ingested

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