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Birch Hill Investment Advisors LLC: COST position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Birch Hill Investment Advisors LLC on COST, newest first. How the timeline and the estimate are built.

Birch Hill Investment Advisors LLC held 34,862 COST shares at 2026-06-30 per its 13F-HR filed 2026-07-21.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 34,862 shares
    Change vs previous 13F -177 shares

    1.32% of the 13F portfolio, value $32,612,355.

    13F-HR 0001172661-26-002717 filed by Birch Hill Investment Advisors 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 35,039 shares
    Change vs previous 13F -226 shares

    1.57% of the 13F portfolio, value $34,913,911.

    13F-HR 0001172661-26-001564 filed by Birch Hill Investment Advisors 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 35,265 shares
    Change vs previous 13F -259 shares

    1.27% of the 13F portfolio, value $30,410,420.

    13F-HR 0001172661-26-000323 filed by Birch Hill Investment Advisors 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 35,524 shares
    Change vs previous 13F -146 shares

    1.39% of the 13F portfolio, value $32,882,080.

    13F-HR 0001172661-25-004406 filed by Birch Hill Investment Advisors 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 35,670 shares
    Change vs previous 13F -996 shares

    1.57% of the 13F portfolio, value $35,311,160.

    13F-HR 0001172661-25-002792 filed by Birch Hill Investment Advisors 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 36,666 shares
    Change vs previous 13F -2,407 shares

    1.64% of the 13F portfolio, value $34,677,969.

    13F-HR 0001172661-25-001512 filed by Birch Hill Investment Advisors 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 39,073 shares
    Change vs previous 13F -1,012 shares

    1.66% of the 13F portfolio, value $35,801,418.

    13F-HR 0001172661-25-000385 filed by Birch Hill Investment Advisors LLC
    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 40,085 shares
    Change vs previous 13F not available

    1.67% of the 13F portfolio, value $35,536,154.

    13F-HR 0001172661-24-004212 filed by Birch Hill Investment Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

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