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LOOMIS SAYLES & CO L P: MKSI position timeline

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

LOOMIS SAYLES & CO L P held 93,771 MKSI 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 93,771 shares
    Change vs previous 13F -33,360 shares

    0.05% of the 13F portfolio, value $41,709,341.

    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 127,131 shares
    Change vs previous 13F -57,102 shares

    0.04% of the 13F portfolio, value $29,215,975.

    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 184,233 shares
    Change vs previous 13F -27,405 shares

    0.04% of the 13F portfolio, value $29,440,433.

    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 211,638 shares
    Change vs previous 13F +29,328 shares

    0.03% of the 13F portfolio, value $26,194,435.

    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 182,310 shares
    Change vs previous 13F -100,282 shares

    0.02% of the 13F portfolio, value $18,114,321.

    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 282,592 shares
    Change vs previous 13F -4,982 shares

    0.03% of the 13F portfolio, value $22,650,000.

    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 287,574 shares
    Change vs previous 13F -8,077 shares

    0.04% of the 13F portfolio, value $30,020,000.

    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 295,651 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $32,140,000.

    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).