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Birch Hill Investment Advisors LLC: IBM position timeline

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

Birch Hill Investment Advisors LLC held 289,497 IBM 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 289,497 shares
    Change vs previous 13F +10,123 shares

    3.3% of the 13F portfolio, value $81,409,451.

    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 279,374 shares
    Change vs previous 13F -3,027 shares

    3.04% of the 13F portfolio, value $67,717,464.

    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 282,401 shares
    Change vs previous 13F +5,737 shares

    3.5% of the 13F portfolio, value $83,650,000.

    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 276,664 shares
    Change vs previous 13F +6,327 shares

    3.3% of the 13F portfolio, value $78,063,514.

    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 270,337 shares
    Change vs previous 13F -2,490 shares

    3.54% of the 13F portfolio, value $79,689,941.

    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 272,827 shares
    Change vs previous 13F -7,546 shares

    3.22% of the 13F portfolio, value $67,841,162.

    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 280,373 shares
    Change vs previous 13F +85 shares

    2.87% of the 13F portfolio, value $61,634,397.

    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 280,288 shares
    Change vs previous 13F not available

    2.91% of the 13F portfolio, value $61,966,071.

    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).