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Cambridge Investment Research Advisors, Inc.: AMTM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Cambridge Investment Research Advisors, Inc. on AMTM, newest first. How the timeline and the estimate are built.

Cambridge Investment Research Advisors, Inc. held 16,485 AMTM shares at 2026-06-30 per its 13F-HR/A filed 2026-07-30.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F/A 16,485 shares
    Change vs previous 13F -2,744 shares

    <0.01% of the 13F portfolio, value $341,000.

    13F-HR/A 0001419186-26-000006 filed by Cambridge Investment Research Advisors, 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 19,229 shares
    Change vs previous 13F +1,923 shares

    <0.01% of the 13F portfolio, value $501,000.

    13F-HR 0001419186-26-000003 filed by Cambridge Investment Research Advisors, 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 17,306 shares
    Change vs previous 13F -356 shares

    <0.01% of the 13F portfolio, value $502,000.

    13F-HR 0001419186-26-000001 filed by Cambridge Investment Research Advisors, 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 17,662 shares
    Change vs previous 13F -517 shares

    <0.01% of the 13F portfolio, value $423,000.

    13F-HR 0001419186-25-000008 filed by Cambridge Investment Research Advisors, 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 18,179 shares
    Change vs previous 13F +2,992 shares

    <0.01% of the 13F portfolio, value $429,000.

    13F-HR 0001419186-25-000006 filed by Cambridge Investment Research Advisors, 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 15,187 shares
    Change vs previous 13F -1,949 shares

    <0.01% of the 13F portfolio, value $276,000.

    13F-HR 0001419186-25-000004 filed by Cambridge Investment Research Advisors, 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 17,136 shares
    Change vs previous 13F -2,599 shares

    <0.01% of the 13F portfolio, value $360,000.

    13F-HR 0001419186-25-000003 filed by Cambridge Investment Research Advisors, 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 19,735 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $636,000.

    13F-HR 0001419186-24-000006 filed by Cambridge Investment Research Advisors, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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