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Disclosery

SFE Investment Counsel: BRK-B position timeline

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

SFE Investment Counsel held 4,463 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-08-05.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 4,463 shares
    Change vs previous 13F +32 shares

    0.31% of the 13F portfolio, value $2,233,241.

    13F-HR 0001317784-26-000003 filed by SFE Investment Counsel
    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 4,431 shares
    Change vs previous 13F -79 shares

    0.34% of the 13F portfolio, value $2,123,335.

    13F-HR 0001317784-26-000002 filed by SFE Investment Counsel
    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 4,510 shares
    Change vs previous 13F +33 shares

    0.35% of the 13F portfolio, value $2,266,952.

    13F-HR 0001317784-26-000001 filed by SFE Investment Counsel
    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 4,477 shares
    Change vs previous 13F -229 shares

    0.36% of the 13F portfolio, value $2,250,767.

    13F-HR 0001317784-25-000003 filed by SFE Investment Counsel
    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 4,706 shares
    Change vs previous 13F -390 shares

    0.4% of the 13F portfolio, value $2,286,034.

    13F-HR 0001085146-25-004662 filed by SFE Investment Counsel
    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 5,096 shares
    Change vs previous 13F +1,604 shares

    0.54% of the 13F portfolio, value $2,714,028.

    13F-HR 0001085146-25-002652 filed by SFE Investment Counsel
    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 3,492 shares
    Change vs previous 13F -5 shares

    0.34% of the 13F portfolio, value $1,582,854.

    13F-HR 0001085146-25-000626 filed by SFE Investment Counsel
    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 3,497 shares
    Change vs previous 13F not available

    0.34% of the 13F portfolio, value $1,609,529.

    13F-HR 0001085146-24-005141 filed by SFE Investment Counsel
    Filed (acceptance time not in the bulk data set), ingested

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