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Cullen/Frost Bankers, Inc.: AMT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Cullen/Frost Bankers, Inc. on AMT, newest first. How the timeline and the estimate are built.

Cullen/Frost Bankers, Inc. held 65,764 AMT shares at 2026-06-30 per its 13F-HR filed 2026-07-27.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 65,764 shares
    Change vs previous 13F -658 shares

    0.11% of the 13F portfolio, value $10,756,986.

    13F-HR 0000039263-26-000042 filed by Cullen/Frost Bankers, Inc.
    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 66,422 shares
    Change vs previous 13F +3,818 shares

    0.13% of the 13F portfolio, value $11,463,163.

    13F-HR 0000039263-26-000037 filed by Cullen/Frost Bankers, Inc.
    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 62,604 shares
    Change vs previous 13F -4,927 shares

    0.12% of the 13F portfolio, value $10,991,442.

    13F-HR 0000039263-26-000012 filed by Cullen/Frost Bankers, Inc.
    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 67,531 shares
    Change vs previous 13F +2,792 shares

    0.15% of the 13F portfolio, value $12,987,564.

    13F-HR 0000039263-25-000119 filed by Cullen/Frost Bankers, Inc.
    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 64,739 shares
    Change vs previous 13F +14,440 shares

    0.18% of the 13F portfolio, value $14,308,606.

    13F-HR 0000039263-25-000097 filed by Cullen/Frost Bankers, Inc.
    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 50,299 shares
    Change vs previous 13F -758 shares

    0.15% of the 13F portfolio, value $10,945,143.

    13F-HR 0000039263-25-000087 filed by Cullen/Frost Bankers, Inc.
    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 51,057 shares
    Change vs previous 13F -189 shares

    0.13% of the 13F portfolio, value $9,364,425.

    13F-HR 0000039263-25-000015 filed by Cullen/Frost Bankers, Inc.
    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 51,246 shares
    Change vs previous 13F not available

    0.16% of the 13F portfolio, value $11,917,837.

    13F-HR 0000039263-24-000074 filed by Cullen/Frost Bankers, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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