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SIGMA INVESTMENT COUNSELORS INC: COST position timeline

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

SIGMA INVESTMENT COUNSELORS INC held 11,805 COST 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 11,805 shares
    Change vs previous 13F -644 shares

    0.54% of the 13F portfolio, value $11,043,297.

    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 12,449 shares
    Change vs previous 13F -626 shares

    0.66% of the 13F portfolio, value $12,404,588.

    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 13,075 shares
    Change vs previous 13F -60 shares

    0.57% of the 13F portfolio, value $11,275,076.

    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 13,135 shares
    Change vs previous 13F -149 shares

    0.63% of the 13F portfolio, value $12,158,475.

    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 13,284 shares
    Change vs previous 13F +541 shares

    0.72% of the 13F portfolio, value $13,150,136.

    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 12,743 shares
    Change vs previous 13F -2,131 shares

    0.74% of the 13F portfolio, value $12,051,900.

    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 14,874 shares
    Change vs previous 13F -1,100 shares

    0.8% of the 13F portfolio, value $13,628,604.

    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 15,974 shares
    Change vs previous 13F not available

    0.83% of the 13F portfolio, value $14,161,191.

    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).