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Disclosery

MAYPORT, LLC: BRK-B position timeline

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

MAYPORT, LLC held 4,118 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 4,118 shares
    Change vs previous 13F +645 shares

    0.32% of the 13F portfolio, value $2,060,606.

    13F-HR 0001951757-26-001170 filed by MAYPORT, 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 3,473 shares
    Change vs previous 13F +223 shares

    0.31% of the 13F portfolio, value $1,664,262.

    13F-HR 0001951757-26-000661 filed by MAYPORT, 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 3,250 shares
    Change vs previous 13F +257 shares

    0.33% of the 13F portfolio, value $1,633,613.

    13F-HR 0001951757-26-000254 filed by MAYPORT, 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 2,993 shares
    Change vs previous 13F +11 shares

    0.33% of the 13F portfolio, value $1,504,701.

    13F-HR 0001951757-25-001452 filed by MAYPORT, 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 2,982 shares
    Change vs previous 13F +730 shares

    0.35% of the 13F portfolio, value $1,448,566.

    13F-HR 0001951757-25-001048 filed by MAYPORT, 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 2,252 shares
    Change vs previous 13F +379 shares

    0.33% of the 13F portfolio, value $1,199,370.

    13F-HR 0001951757-25-000392 filed by MAYPORT, LLC
    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 1,873 shares
    Change vs previous 13F +286 shares

    0.25% of the 13F portfolio, value $848,993.

    13F-HR 0001951757-25-000189 filed by MAYPORT, LLC
    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 1,587 shares
    Change vs previous 13F not available

    0.23% of the 13F portfolio, value $730,433.

    13F-HR 0001951757-24-001051 filed by MAYPORT, LLC
    Filed (acceptance time not in the bulk data set), ingested

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