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Birch Hill Investment Advisors LLC: ALC position timeline

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

Birch Hill Investment Advisors LLC held 319,605 ALC 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 319,605 shares
    Change vs previous 13F -94,536 shares

    0.87% of the 13F portfolio, value $21,445,495.

    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 414,141 shares
    Change vs previous 13F -27,694 shares

    1.4% of the 13F portfolio, value $31,205,524.

    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 441,835 shares
    Change vs previous 13F -2,340 shares

    1.46% of the 13F portfolio, value $34,821,016.

    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 444,175 shares
    Change vs previous 13F +6,498 shares

    1.4% of the 13F portfolio, value $33,095,479.

    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 437,677 shares
    Change vs previous 13F +20,538 shares

    1.72% of the 13F portfolio, value $38,638,126.

    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 417,139 shares
    Change vs previous 13F +9,390 shares

    1.88% of the 13F portfolio, value $39,599,005.

    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 407,749 shares
    Change vs previous 13F +18,611 shares

    1.61% of the 13F portfolio, value $34,613,813.

    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 389,138 shares
    Change vs previous 13F not available

    1.83% of the 13F portfolio, value $38,941,040.

    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).