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Birch Hill Investment Advisors LLC: MRK position timeline

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

Birch Hill Investment Advisors LLC held 87,972 MRK 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 87,972 shares
    Change vs previous 13F -833 shares

    0.46% of the 13F portfolio, value $11,304,369.

    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 88,805 shares
    Change vs previous 13F -580 shares

    0.48% of the 13F portfolio, value $10,682,323.

    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 89,385 shares
    Change vs previous 13F -4,923 shares

    0.39% of the 13F portfolio, value $9,408,638.

    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 94,308 shares
    Change vs previous 13F -12,269 shares

    0.33% of the 13F portfolio, value $7,915,249.

    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 106,577 shares
    Change vs previous 13F -46,399 shares

    0.37% of the 13F portfolio, value $8,436,615.

    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 152,976 shares
    Change vs previous 13F -141,579 shares

    0.65% of the 13F portfolio, value $13,731,103.

    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 294,555 shares
    Change vs previous 13F -152,689 shares

    1.36% of the 13F portfolio, value $29,302,355.

    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 447,244 shares
    Change vs previous 13F not available

    2.39% of the 13F portfolio, value $50,789,000.

    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).