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LOOMIS SAYLES & CO L P: MA position timeline

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

LOOMIS SAYLES & CO L P held 726,071 MA 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 726,071 shares
    Change vs previous 13F +110,827 shares

    0.47% of the 13F portfolio, value $372,910,065.

    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 615,244 shares
    Change vs previous 13F +28,489 shares

    0.41% of the 13F portfolio, value $307,412,817.

    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 586,755 shares
    Change vs previous 13F -26,761 shares

    0.4% of the 13F portfolio, value $334,966,694.

    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 613,516 shares
    Change vs previous 13F -5,418 shares

    0.42% of the 13F portfolio, value $348,974,036.

    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 618,934 shares
    Change vs previous 13F -1,623 shares

    0.44% of the 13F portfolio, value $347,803,772.

    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 620,557 shares
    Change vs previous 13F -209,392 shares

    0.49% of the 13F portfolio, value $340,139,000.

    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 829,949 shares
    Change vs previous 13F -36,637 shares

    0.55% of the 13F portfolio, value $437,026,000.

    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 866,586 shares
    Change vs previous 13F not available

    0.56% of the 13F portfolio, value $427,920,000.

    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).