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Disclosery

Sandhill Capital Partners LLC: ACM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Sandhill Capital Partners LLC on ACM, newest first. How the timeline and the estimate are built.

Sandhill Capital Partners LLC held 414,675 ACM shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 414,675 shares
    Change vs previous 13F -170,789 shares

    2.35% of the 13F portfolio, value $28,944,323.

    13F-HR 0001556245-26-000004 filed by Sandhill Capital Partners 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 585,464 shares
    Change vs previous 13F +113,292 shares

    4.27% of the 13F portfolio, value $49,659,031.

    13F-HR 0001556245-26-000003 filed by Sandhill Capital Partners 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 472,172 shares
    Change vs previous 13F -14,596 shares

    3.21% of the 13F portfolio, value $45,012,109.

    13F-HR 0001556245-26-000001 filed by Sandhill Capital Partners 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 486,768 shares
    Change vs previous 13F -3,168 shares

    4.43% of the 13F portfolio, value $63,508,568.

    13F-HR 0001556245-25-000007 filed by Sandhill Capital Partners 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 489,936 shares
    Change vs previous 13F +958 shares

    3.97% of the 13F portfolio, value $55,294,139.

    13F-HR 0001556245-25-000004 filed by Sandhill Capital Partners 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 488,978 shares
    Change vs previous 13F +143,228 shares

    3.73% of the 13F portfolio, value $45,342,940.

    13F-HR 0001556245-25-000003 filed by Sandhill Capital Partners 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 345,750 shares
    Change vs previous 13F not available

    2.9% of the 13F portfolio, value $36,933,015.

    13F-HR 0001556245-25-000001 filed by Sandhill Capital Partners LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).