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GATEWAY INVESTMENT ADVISERS LLC: ACM position timeline

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

GATEWAY INVESTMENT ADVISERS LLC held 4,647 ACM shares at 2026-09-30 per its 13F-HR filed 2026-10-13.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 4,647 shares
    Change vs previous 13F -21,054 shares

    <0.01% of the 13F portfolio, value $273,944.

    13F-HR 0001114618-26-000006 filed by GATEWAY INVESTMENT ADVISERS LLC
    Accepted , ingested

  2. period ended2026-06-30
    13F 25,701 shares
    Change vs previous 13F +21,532 shares

    0.02% of the 13F portfolio, value $1,793,934.

    13F-HR 0001114618-26-000003 filed by GATEWAY INVESTMENT ADVISERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 4,169 shares
    Change vs previous 13F -114 shares

    <0.01% of the 13F portfolio, value $353,653.

    13F-HR 0001114618-26-000002 filed by GATEWAY INVESTMENT ADVISERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 4,283 shares
    Change vs previous 13F +1,996 shares

    <0.01% of the 13F portfolio, value $408,256.

    13F-HR 0001114618-26-000001 filed by GATEWAY INVESTMENT ADVISERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 2,287 shares
    Change vs previous 13F +64 shares

    <0.01% of the 13F portfolio, value $298,327.

    13F-HR 0001114618-25-000004 filed by GATEWAY INVESTMENT ADVISERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 2,223 shares
    Change vs previous 13F +27 shares

    <0.01% of the 13F portfolio, value $250,837.

    13F-HR 0001085146-25-003612 filed by GATEWAY INVESTMENT ADVISERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2025-03-31
    13F 2,196 shares
    Change vs previous 13F +158 shares

    <0.01% of the 13F portfolio, value $203,594.

    13F-HR 0001085146-25-002069 filed by GATEWAY INVESTMENT ADVISERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 2,038 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $217,706.

    13F-HR 0001085146-25-000192 filed by GATEWAY INVESTMENT ADVISERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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