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Triasima Portfolio Management inc.: TSM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Triasima Portfolio Management inc. on TSM, newest first. How the timeline and the estimate are built.

Triasima Portfolio Management inc. held 33,457 TSM shares at 2026-06-30 per its 13F-HR filed 2026-07-21.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 33,457 shares
    Change vs previous 13F +988 shares

    2.16% of the 13F portfolio, value $15,978,059.

    13F-HR 0001938757-26-000008 filed by Triasima Portfolio Management inc.
    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 32,469 shares
    Change vs previous 13F -3,741 shares

    1.66% of the 13F portfolio, value $10,972,898.

    13F-HR 0001938757-26-000005 filed by Triasima Portfolio Management inc.
    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 36,210 shares
    Change vs previous 13F +7,576 shares

    1.65% of the 13F portfolio, value $11,003,856.

    13F-HR 0001938757-26-000002 filed by Triasima Portfolio Management inc.
    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 28,634 shares
    Change vs previous 13F +6,545 shares

    1.21% of the 13F portfolio, value $7,997,189.

    13F-HR 0001938757-25-000016 filed by Triasima Portfolio Management inc.
    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 22,089 shares
    Change vs previous 13F +6,817 shares

    0.91% of the 13F portfolio, value $5,002,937.

    13F-HR 0001938757-25-000009 filed by Triasima Portfolio Management inc.
    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 15,272 shares
    Change vs previous 13F +3,032 shares

    0.5% of the 13F portfolio, value $2,535,152.

    13F-HR 0001938757-25-000005 filed by Triasima Portfolio Management inc.
    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 12,240 shares
    Change vs previous 13F +12,240 shares

    0.47% of the 13F portfolio, value $2,417,277.

    13F-HR 0001938757-25-000002 filed by Triasima Portfolio Management inc.
    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 0 shares
    Change vs previous 13F not available

    13F-HR 0001938757-24-000012 filed by Triasima Portfolio Management inc.
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.