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Birch Hill Investment Advisors LLC: CSL position timeline

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

Birch Hill Investment Advisors LLC held 49,537 CSL 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 49,537 shares
    Change vs previous 13F +505 shares

    0.73% of the 13F portfolio, value $17,969,547.

    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 49,032 shares
    Change vs previous 13F +1,445 shares

    0.73% of the 13F portfolio, value $16,358,056.

    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 47,587 shares
    Change vs previous 13F -5,560 shares

    0.64% of the 13F portfolio, value $15,221,178.

    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 53,147 shares
    Change vs previous 13F +2,430 shares

    0.74% of the 13F portfolio, value $17,483,237.

    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 50,717 shares
    Change vs previous 13F +1,853 shares

    0.84% of the 13F portfolio, value $18,937,728.

    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 48,864 shares
    Change vs previous 13F +30,015 shares

    0.79% of the 13F portfolio, value $16,638,192.

    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 18,849 shares
    Change vs previous 13F +2,705 shares

    0.32% of the 13F portfolio, value $6,952,265.

    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 16,144 shares
    Change vs previous 13F not available

    0.34% of the 13F portfolio, value $7,260,764.

    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).