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LOOMIS SAYLES & CO L P: MTSI position timeline

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

LOOMIS SAYLES & CO L P held 206,610 MTSI 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 206,610 shares
    Change vs previous 13F -115,849 shares

    0.1% of the 13F portfolio, value $78,588,246.

    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 322,459 shares
    Change vs previous 13F -161,915 shares

    0.1% of the 13F portfolio, value $71,608,470.

    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 484,374 shares
    Change vs previous 13F -22,631 shares

    0.1% of the 13F portfolio, value $82,963,579.

    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 507,005 shares
    Change vs previous 13F -13,086 shares

    0.08% of the 13F portfolio, value $63,117,052.

    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 520,091 shares
    Change vs previous 13F -12,513 shares

    0.09% of the 13F portfolio, value $74,523,839.

    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 532,604 shares
    Change vs previous 13F -11,219 shares

    0.08% of the 13F portfolio, value $53,463,000.

    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 543,823 shares
    Change vs previous 13F -102,723 shares

    0.09% of the 13F portfolio, value $70,648,000.

    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 646,546 shares
    Change vs previous 13F not available

    0.09% of the 13F portfolio, value $71,935,000.

    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).