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Spectrum Investment Advisors, Inc.: BRK-B position timeline

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

Spectrum Investment Advisors, Inc. held 2,489 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-30.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 2,489 shares
    Change vs previous 13F +683 shares

    0.51% of the 13F portfolio, value $1,245,471.

    13F-HR 0000892712-26-000324 filed by Spectrum Investment Advisors, Inc.
    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 1,806 shares
    Change vs previous 13F -31 shares

    0.43% of the 13F portfolio, value $865,435.

    13F-HR 0000892712-26-000212 filed by Spectrum Investment Advisors, Inc.
    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 1,837 shares
    Change vs previous 13F +485 shares

    0.46% of the 13F portfolio, value $923,368.

    13F-HR 0000892712-26-000048 filed by Spectrum Investment Advisors, Inc.
    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 1,352 shares
    Change vs previous 13F -137 shares

    0.37% of the 13F portfolio, value $679,704.

    13F-HR 0000892712-25-000134 filed by Spectrum Investment Advisors, Inc.
    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 1,489 shares
    Change vs previous 13F -426 shares

    0.42% of the 13F portfolio, value $723,312.

    13F-HR 0000892712-25-000085 filed by Spectrum Investment Advisors, Inc.
    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 1,915 shares
    Change vs previous 13F -84 shares

    0.66% of the 13F portfolio, value $1,019,891.

    13F-HR 0000892712-25-000057 filed by Spectrum Investment Advisors, Inc.
    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 1,999 shares
    Change vs previous 13F -20 shares

    0.6% of the 13F portfolio, value $906,107.

    13F-HR 0000892712-25-000015 filed by Spectrum Investment Advisors, Inc.
    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 2,019 shares
    Change vs previous 13F not available

    0.64% of the 13F portfolio, value $929,265.

    13F-HR 0000892712-24-000121 filed by Spectrum Investment Advisors, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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