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LOOMIS SAYLES & CO L P: TSM position timeline

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

LOOMIS SAYLES & CO L P held 486,273 TSM 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 486,273 shares
    Change vs previous 13F -167,825 shares

    0.29% of the 13F portfolio, value $232,229,396.

    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 654,098 shares
    Change vs previous 13F -132,649 shares

    0.3% of the 13F portfolio, value $221,052,419.

    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 786,747 shares
    Change vs previous 13F -65,011 shares

    0.29% of the 13F portfolio, value $239,084,546.

    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 851,758 shares
    Change vs previous 13F -36,261 shares

    0.28% of the 13F portfolio, value $237,887,491.

    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 888,019 shares
    Change vs previous 13F +165,376 shares

    0.25% of the 13F portfolio, value $201,127,423.

    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 722,643 shares
    Change vs previous 13F -466,406 shares

    0.17% of the 13F portfolio, value $119,959,000.

    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 1,189,049 shares
    Change vs previous 13F -42,924 shares

    0.3% of the 13F portfolio, value $234,825,000.

    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 1,231,973 shares
    Change vs previous 13F not available

    0.28% of the 13F portfolio, value $213,957,000.

    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).