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Disclosery

Benson Investment Management Company, Inc.: ACM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Benson Investment Management Company, Inc. on ACM, newest first. How the timeline and the estimate are built.

Benson Investment Management Company, Inc. held 0 ACM shares at 2026-03-31 per its 13F-HR filed 2026-04-13.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -40,432 shares

    13F-HR 0001172661-26-001473 filed by Benson Investment Management Company, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-12-31
    13F 40,432 shares
    Change vs previous 13F +600 shares

    1.35% of the 13F portfolio, value $3,854,383.

    13F-HR 0001172661-26-000313 filed by Benson Investment Management Company, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-09-30
    13F 39,832 shares
    Change vs previous 13F -6,173 shares

    1.78% of the 13F portfolio, value $5,196,881.

    13F-HR 0001172661-25-004245 filed by Benson Investment Management Company, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-06-30
    13F 46,005 shares
    Change vs previous 13F -1,528 shares

    1.97% of the 13F portfolio, value $5,192,124.

    13F-HR 0001172661-25-002714 filed by Benson Investment Management Company, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-03-31
    13F 47,533 shares
    Change vs previous 13F -806 shares

    1.92% of the 13F portfolio, value $4,407,735.

    13F-HR 0001172661-25-001473 filed by Benson Investment Management Company, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-12-31
    13F 48,339 shares
    Change vs previous 13F not available

    2.14% of the 13F portfolio, value $5,163,572.

    13F-HR 0001172661-25-000179 filed by Benson Investment Management Company, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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