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SUMMIT SECURITIES GROUP LLC: AMT position timeline

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

SUMMIT SECURITIES GROUP LLC held 108 AMT shares at 2026-06-30 per its 13F-HR filed 2026-08-03.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 108 shares
    Change vs previous 13F +31 shares

    <0.01% of the 13F portfolio, value $17,666.

    13F-HR 0001531593-26-000006 filed by SUMMIT SECURITIES GROUP 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 77 shares
    Change vs previous 13F -918 shares

    0.01% of the 13F portfolio, value $13,289.

    13F-HR 0001531593-26-000005 filed by SUMMIT SECURITIES 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 995 shares
    Change vs previous 13F +189 shares

    0.03% of the 13F portfolio, value $174,692.

    13F-HR 0001531593-26-000002 filed by SUMMIT SECURITIES 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 ended2025-09-30
    13F 806 shares
    Change vs previous 13F +491 shares

    0.05% of the 13F portfolio, value $155,010.

    13F-HR 0001531593-25-000010 filed by SUMMIT SECURITIES 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 ended2025-06-30
    13F 315 shares
    Change vs previous 13F +315 shares

    0.02% of the 13F portfolio, value $69,621.

    13F-HR 0001531593-25-000006 filed by SUMMIT SECURITIES 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 ended2025-03-31
    13F 0 shares
    Change vs previous 13F -1,700 shares

    13F-HR 0001531593-25-000004 filed by SUMMIT SECURITIES 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.

  7. period ended2024-12-31
    13F 1,700 shares
    Change vs previous 13F not available

    0.12% of the 13F portfolio, value $311,797.

    13F-HR 0001531593-25-000002 filed by SUMMIT SECURITIES GROUP LLC
    Filed (acceptance time not in the bulk data set), ingested

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