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Disclosery

Tandem Investment Partners LLC: BRK-B position timeline

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

Tandem Investment Partners LLC held 3,110 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-27.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 3,110 shares
    Change vs previous 13F -35 shares

    1.2% of the 13F portfolio, value $1,556,213.

    13F-HR 0001172661-26-002827 filed by Tandem Investment Partners 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 3,145 shares
    Change vs previous 13F -45 shares

    1.28% of the 13F portfolio, value $1,507,084.

    13F-HR 0001172661-26-001751 filed by Tandem Investment Partners 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 3,190 shares
    Change vs previous 13F -550 shares

    1.35% of the 13F portfolio, value $1,603,454.

    13F-HR 0001172661-26-000247 filed by Tandem Investment Partners 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 3,740 shares
    Change vs previous 13F -20 shares

    1.54% of the 13F portfolio, value $1,880,248.

    13F-HR 0001172661-25-004420 filed by Tandem Investment Partners 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 3,760 shares
    Change vs previous 13F +348 shares

    1.59% of the 13F portfolio, value $1,826,495.

    13F-HR 0001172661-25-002664 filed by Tandem Investment Partners 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 3,412 shares
    Change vs previous 13F -19 shares

    1.79% of the 13F portfolio, value $1,817,163.

    13F-HR 0001172661-25-001623 filed by Tandem Investment Partners 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 3,431 shares
    Change vs previous 13F not available

    1.49% of the 13F portfolio, value $1,555,204.

    13F-HR 0001172661-25-000731 filed by Tandem Investment Partners LLC
    Filed (acceptance time not in the bulk data set), ingested

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