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SUMMIT SECURITIES GROUP LLC: AMBA position timeline

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

SUMMIT SECURITIES GROUP LLC held 787 AMBA 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 787 shares
    Change vs previous 13F +787 shares

    0.01% of the 13F portfolio, value $67,525.

    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 ended2025-09-30
    13F 0 shares
    Change vs previous 13F -2,000 shares

    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).

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

  3. period ended2025-06-30
    13F 2,000 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $132,130.

    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).