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Disclosery

Rinkey Investments: BRK-B position timeline

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

Rinkey Investments held 8,274 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-20.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 8,274 shares
    Change vs previous 13F +3 shares

    0.97% of the 13F portfolio, value $4,140,227.

    13F-HR 0001172661-26-002676 filed by Rinkey Investments
    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 8,271 shares
    Change vs previous 13F +253 shares

    1.01% of the 13F portfolio, value $3,963,463.

    13F-HR 0001172661-26-001645 filed by Rinkey Investments
    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 8,018 shares
    Change vs previous 13F +1,368 shares

    1.02% of the 13F portfolio, value $4,030,248.

    13F-HR 0001172661-26-000467 filed by Rinkey Investments
    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 6,650 shares
    Change vs previous 13F +230 shares

    0.89% of the 13F portfolio, value $3,343,221.

    13F-HR 0001172661-25-004914 filed by Rinkey Investments
    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 6,420 shares
    Change vs previous 13F +1,164 shares

    0.94% of the 13F portfolio, value $3,118,643.

    13F-HR 0001172661-25-003098 filed by Rinkey Investments
    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 5,256 shares
    Change vs previous 13F -15 shares

    0.89% of the 13F portfolio, value $2,799,240.

    13F-HR 0001172661-25-002155 filed by Rinkey Investments
    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 5,271 shares
    Change vs previous 13F +1,114 shares

    0.76% of the 13F portfolio, value $2,389,239.

    13F-HR 0001172661-25-001073 filed by Rinkey Investments
    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 4,157 shares
    Change vs previous 13F not available

    0.62% of the 13F portfolio, value $1,913,301.

    13F-HR 0001172661-24-004596 filed by Rinkey Investments
    Filed (acceptance time not in the bulk data set), ingested

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