Skip to content
Disclosery

SIGMA INVESTMENT COUNSELORS INC: BRK-B position timeline

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

SIGMA INVESTMENT COUNSELORS INC held 4,381 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-28.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 4,381 shares
    Change vs previous 13F +18 shares

    0.11% of the 13F portfolio, value $2,192,277.

    13F-HR 0001085163-26-000003 filed by SIGMA INVESTMENT COUNSELORS 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 4,363 shares
    Change vs previous 13F -426 shares

    0.11% of the 13F portfolio, value $2,090,815.

    13F-HR 0001085163-26-000002 filed by SIGMA INVESTMENT COUNSELORS 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 4,789 shares
    Change vs previous 13F -18 shares

    0.12% of the 13F portfolio, value $2,407,260.

    13F-HR 0001085163-26-000001 filed by SIGMA INVESTMENT COUNSELORS 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 4,807 shares
    Change vs previous 13F -4 shares

    0.13% of the 13F portfolio, value $2,416,740.

    13F-HR 0001085163-25-000002 filed by SIGMA INVESTMENT COUNSELORS 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 4,811 shares
    Change vs previous 13F +707 shares

    0.13% of the 13F portfolio, value $2,337,072.

    13F-HR 0001085146-25-004267 filed by SIGMA INVESTMENT COUNSELORS 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 4,104 shares
    Change vs previous 13F -450 shares

    0.13% of the 13F portfolio, value $2,185,478.

    13F-HR 0001085146-25-002459 filed by SIGMA INVESTMENT COUNSELORS 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 4,554 shares
    Change vs previous 13F -62 shares

    0.12% of the 13F portfolio, value $2,064,093.

    13F-HR 0001085146-25-000734 filed by SIGMA INVESTMENT COUNSELORS 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 4,616 shares
    Change vs previous 13F not available

    0.12% of the 13F portfolio, value $2,124,414.

    13F-HR 0001085146-24-005088 filed by SIGMA INVESTMENT COUNSELORS INC
    Filed (acceptance time not in the bulk data set), ingested

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