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T. Rowe Price Investment Management, Inc.: TSM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of T. Rowe Price Investment Management, Inc. on TSM, newest first. How the timeline and the estimate are built.

T. Rowe Price Investment Management, Inc. held 758,028 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 758,028 shares
    Change vs previous 13F +47,272 shares

    0.24% of the 13F portfolio, value $362,012,000.

    13F-HR 0001897612-26-000578 filed by T. Rowe Price Investment 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 710,756 shares
    Change vs previous 13F -1,382,359 shares

    0.17% of the 13F portfolio, value $240,200,000.

    13F-HR 0001897612-26-000460 filed by T. Rowe Price Investment 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/A 2,093,115 shares
    Change vs previous 13F +1,313,917 shares

    0.4% of the 13F portfolio, value $636,077,000.

    13F-HR/A 0001897612-26-000299 filed by T. Rowe Price Investment 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 779,198 shares
    Change vs previous 13F not available

    0.13% of the 13F portfolio, value $217,623,000.

    13F-HR 0001897612-25-000511 filed by T. Rowe Price Investment Management, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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