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SUMMIT SECURITIES GROUP LLC: BRK-B position timeline

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

SUMMIT SECURITIES GROUP LLC held 425 BRK-B 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 425 shares
    Change vs previous 13F +124 shares

    0.04% of the 13F portfolio, value $212,666.

    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 301 shares
    Change vs previous 13F -2,423 shares

    0.07% of the 13F portfolio, value $144,239.

    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 2,724 shares
    Change vs previous 13F -439 shares

    0.24% of the 13F portfolio, value $1,369,219.

    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 3,163 shares
    Change vs previous 13F +1,929 shares

    0.52% of the 13F portfolio, value $1,590,167.

    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 1,234 shares
    Change vs previous 13F not available

    0.21% of the 13F portfolio, value $599,440.

    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).