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Disclosery

Red Wave Investments LLC: BRK-B position timeline

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

Red Wave Investments LLC held 3,438 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-08-06.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 3,438 shares
    Change vs previous 13F -80 shares

    0.44% of the 13F portfolio, value $1,720,341.

    13F-HR 0001420506-26-001415 filed by Red Wave Investments 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 3,518 shares
    Change vs previous 13F -12 shares

    0.5% of the 13F portfolio, value $1,685,826.

    13F-HR 0001420506-26-000862 filed by Red Wave Investments 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 3,530 shares
    Change vs previous 13F -5 shares

    0.53% of the 13F portfolio, value $1,774,355.

    13F-HR 0001420506-26-000192 filed by Red Wave Investments 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 3,535 shares
    Change vs previous 13F 0 shares

    0.55% of the 13F portfolio, value $1,777,186.

    13F-HR 0001420506-25-002916 filed by Red Wave Investments 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 3,535 shares
    Change vs previous 13F +97 shares

    0.56% of the 13F portfolio, value $1,717,197.

    13F-HR 0001420506-25-001630 filed by Red Wave Investments 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 3,438 shares
    Change vs previous 13F 0 shares

    0.66% of the 13F portfolio, value $1,831,010.

    13F-HR 0001420506-25-000853 filed by Red Wave Investments 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 3,438 shares
    Change vs previous 13F 0 shares

    0.55% of the 13F portfolio, value $1,558,377.

    13F-HR 0001420506-25-000106 filed by Red Wave Investments 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 3,438 shares
    Change vs previous 13F not available

    0.55% of the 13F portfolio, value $1,582,374.

    13F-HR 0001846493-24-000011 filed by Red Wave Investments LLC
    Filed (acceptance time not in the bulk data set), ingested

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