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SIRIOS CAPITAL MANAGEMENT L P: TSM position timeline

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

SIRIOS CAPITAL MANAGEMENT L P held 105,244 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 105,244 shares
    Change vs previous 13F -7,020 shares

    6.11% of the 13F portfolio, value $50,261,377.

    13F-HR 0001104883-26-000008 filed by SIRIOS CAPITAL MANAGEMENT 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 112,264 shares
    Change vs previous 13F -47,811 shares

    4.6% of the 13F portfolio, value $37,939,619.

    13F-HR 0001104883-26-000005 filed by SIRIOS CAPITAL MANAGEMENT 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 160,075 shares
    Change vs previous 13F -101,763 shares

    6.06% of the 13F portfolio, value $48,645,192.

    13F-HR 0001104883-26-000003 filed by SIRIOS CAPITAL MANAGEMENT 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 261,838 shares
    Change vs previous 13F -39,662 shares

    9.52% of the 13F portfolio, value $73,128,735.

    13F-HR 0001104883-25-000015 filed by SIRIOS CAPITAL MANAGEMENT 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 301,500 shares
    Change vs previous 13F +27,166 shares

    9.9% of the 13F portfolio, value $68,286,735.

    13F-HR 0001104883-25-000010 filed by SIRIOS CAPITAL MANAGEMENT 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 274,334 shares
    Change vs previous 13F +53,148 shares

    8.13% of the 13F portfolio, value $45,539,444.

    13F-HR 0001104883-25-000006 filed by SIRIOS CAPITAL MANAGEMENT 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 221,186 shares
    Change vs previous 13F -9,440 shares

    7.84% of the 13F portfolio, value $43,682,023.

    13F-HR 0001104883-25-000004 filed by SIRIOS CAPITAL MANAGEMENT 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 230,626 shares
    Change vs previous 13F not available

    7.09% of the 13F portfolio, value $40,052,817.

    13F-HR 0001104883-24-000012 filed by SIRIOS CAPITAL MANAGEMENT L P
    Filed (acceptance time not in the bulk data set), ingested

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