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LOOMIS SAYLES & CO L P: ACM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of LOOMIS SAYLES & CO L P on ACM, newest first. How the timeline and the estimate are built.

LOOMIS SAYLES & CO L P held 610 ACM shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 610 shares
    Change vs previous 13F -245 shares

    <0.01% of the 13F portfolio, value $42,575.

    13F-HR 0000312348-26-000034 filed by LOOMIS SAYLES & CO L P
    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 855 shares
    Change vs previous 13F -10,684 shares

    <0.01% of the 13F portfolio, value $72,503.

    13F-HR 0000312348-26-000026 filed by LOOMIS SAYLES & CO L P
    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 11,539 shares
    Change vs previous 13F -66,898 shares

    <0.01% of the 13F portfolio, value $1,099,999.

    13F-HR 0000312348-26-000014 filed by LOOMIS SAYLES & CO L P
    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 78,437 shares
    Change vs previous 13F -55,194 shares

    0.01% of the 13F portfolio, value $10,233,656.

    13F-HR 0000312348-25-000035 filed by LOOMIS SAYLES & CO L P
    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 133,631 shares
    Change vs previous 13F +5,036 shares

    0.02% of the 13F portfolio, value $15,081,610.

    13F-HR 0000312348-25-000028 filed by LOOMIS SAYLES & CO L P
    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 128,595 shares
    Change vs previous 13F -40,913 shares

    0.02% of the 13F portfolio, value $11,924,000.

    13F-HR 0000312348-25-000021 filed by LOOMIS SAYLES & CO L P
    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 169,508 shares
    Change vs previous 13F +6,007 shares

    0.02% of the 13F portfolio, value $18,107,000.

    13F-HR 0000312348-25-000014 filed by LOOMIS SAYLES & CO L P
    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 163,501 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $16,885,000.

    13F-HR 0000312348-24-000037 filed by LOOMIS SAYLES & CO L P
    Filed (acceptance time not in the bulk data set), ingested

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