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Disclosery

McCollum Christoferson Group LLC: AMT position timeline

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

McCollum Christoferson Group LLC held 26,383 AMT 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 26,383 shares
    Change vs previous 13F -8,679 shares

    0.11% of the 13F portfolio, value $362,338.

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

  2. period ended2026-06-30
    13F 35,062 shares
    Change vs previous 13F -6,495 shares

    0.52% of the 13F portfolio, value $1,781,714.

    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 ended2026-03-31
    13F 41,557 shares
    Change vs previous 13F +11,590 shares

    0.9% of the 13F portfolio, value $2,999,425.

    13F-HR 0001727573-26-000004 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).

  4. period ended2025-12-31
    13F 29,967 shares
    Change vs previous 13F -1,739 shares

    1.52% of the 13F portfolio, value $5,261,306.

    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).

  5. period ended2025-09-30
    13F 31,706 shares
    Change vs previous 13F +2,085 shares

    1.75% of the 13F portfolio, value $6,097,698.

    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).

  6. period ended2025-06-30
    13F 29,621 shares
    Change vs previous 13F -588 shares

    1.95% of the 13F portfolio, value $6,546,833.

    13F-HR 0001727573-25-000011 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).

  7. period ended2025-03-31
    13F 30,209 shares
    Change vs previous 13F -1,485 shares

    2.01% of the 13F portfolio, value $6,573,478.

    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).

  8. period ended2024-12-31
    13F 31,694 shares
    Change vs previous 13F not available

    1.72% of the 13F portfolio, value $5,812,997.

    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).