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Birch Hill Investment Advisors LLC: BRK-B position timeline

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

Birch Hill Investment Advisors LLC held 209,721 BRK-B shares at 2026-09-30 per its 13F-HR filed 2026-10-16.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 209,721 shares
    Change vs previous 13F -2,862 shares

    4.3% of the 13F portfolio, value $104,430,640.

    13F-HR 0001172661-26-004571 filed by Birch Hill Investment Advisors LLC
    Accepted , ingested

  2. period ended2026-06-30
    13F 212,583 shares
    Change vs previous 13F -395 shares

    4.31% of the 13F portfolio, value $106,374,476.

    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).

  3. period ended2026-03-31
    13F 212,978 shares
    Change vs previous 13F -3,807 shares

    4.58% of the 13F portfolio, value $102,059,123.

    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).

  4. period ended2025-12-31
    13F 216,785 shares
    Change vs previous 13F -1,045 shares

    4.55% of the 13F portfolio, value $108,967,049.

    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).

  5. period ended2025-09-30
    13F 217,830 shares
    Change vs previous 13F -1,298 shares

    4.63% of the 13F portfolio, value $109,511,923.

    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).

  6. period ended2025-06-30
    13F 219,128 shares
    Change vs previous 13F -5,753 shares

    4.73% of the 13F portfolio, value $106,445,875.

    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).

  7. period ended2025-03-31
    13F 224,881 shares
    Change vs previous 13F -7,118 shares

    5.68% of the 13F portfolio, value $119,767,196.

    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).

  8. period ended2024-12-31
    13F 231,999 shares
    Change vs previous 13F not available

    4.89% of the 13F portfolio, value $105,160,569.

    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).